JP5221934B2 - Drainage device for switch and drainage method for switch - Google Patents

Description

  The present invention relates to a drainage device for a switch and a draining method for the switch, which are used for draining water from an imaginary switch that has entered water.

  An overhead switch for power distribution may have water intruding into it due to the effect of atmospheric pressure difference or rust. For this reason, the presence or absence of water intrusion into such a switch is periodically measured by a water immersion measuring device, and replacement work for the switch in which water has entered is performed. In this case, the water that has entered the switch is scattered due to the vibration of the construction, and there is a possibility that a short circuit or a ground fault occurs inside the switch. In order to avoid such short circuits and ground faults, a bypass cable is installed and replaced as a preliminary work.

  If a hole is made in the switch before the replacement work to remove the water accumulated in the switch, the occurrence of a short circuit and ground fault can be avoided, and the switch can be replaced without necessarily having a bypass cable. .

  The inventors of the present invention have previously proposed a drilling tool that can quickly and surely make a hole in an aerial switch without removing a bypass cable and remove water accumulated inside. (Patent Document 1).

  As shown in FIGS. 15 and 16, the drilling tool 100 disclosed in Patent Document 1 includes a mounting portion 101 for mounting the drilling tool 100 on the suspended switch 2 and a bottom plate 3 of the switch 2 with water. A cutting mechanism 102 for making a hole and a water receiving part 103 for supporting the cutting mechanism 102 and receiving water flowing out of the drain hole are provided. The mounting portion 101 has a pair of support frames 104 and 104 arranged in parallel with each other at a predetermined interval, and one side plate 4 of the switch 2 is provided at one end of the pair of support frames 104 and 104. A fixed abutting portion 105 that is in contact with the switch is attached, and a movable abutting portion 106 that is opposed to the other side plate 5 of the switch 2 at a predetermined interval is attached to the other end. A screw shaft 107 is screwed onto the movable contact portion 106, and by tightening the screw shaft 107, both side plates 4, 5 of the switch 2 are sandwiched between the fixed contact portion 105 and the screw shaft 107, The drilling tool 100 is fixed to the switch 2 by the mounting portion 101.

  Further, the cutting mechanism portion 102 is held by the holding member 108 and fixed to the water receiving portion 103, protrudes upward from a through hole opened in the bottom plate of the water receiving portion 103, and lifts the bottom plate 3 of the suspended switch 2. A cylindrical cutter 109 that is cut into an annular shape to open a drain hole, and a cutting piece of the bottom plate 3 that is provided in the cylinder of the cutter unit 109 and cut into an annular shape is pushed to cut A pushing member (not shown, see FIG. 4) for separating the fragments from the bottom plate 3 and a motor 110 for rotating the cutter unit 109 are provided.

According to the drilling tool 100 configured in this manner, the cut piece of the bottom plate 3 cut into an annular shape by the cutter unit 109 is pushed by the pushing member and separated from the bottom plate 3, and the drain hole is formed in the bottom plate 3. Is formed. For this reason, a cutting piece does not block a drain hole by the water pressure in the switch 2, and the drain hole is maintained in a fully open state. As a result, the water that has entered the inside of the switch 2 can be quickly and reliably removed to the outside through this drain hole.
JP 2006-346826 A

  However, in the drilling tool 100 described above, the drilling tool 100 is moved closer to the lower side of the bottom plate 3 of the switch 2, the pair of support frames 104, 104 are positioned along the bottom plate 3 of the switch 2, and the cutter unit 109. The drilling tool 100 is pressed against the bottom plate 3 of the switch 2 while adjusting the posture of the drilling tool 100 so that the direction of the rotation axis is perpendicular to the bottom plate 3 of the switch 2. 5 is clamped between the fixed contact portion 105 and the screw shaft 107, and the operation of fixing the drilling tool 100 to the switch 2 needs to be performed in a state where the operator is close to the drilling tool 100.

  Such a series of operations for adjusting the posture of the drilling tool 100 and fixing the switch 2 to the switch 2 are performed at a high place even if a working bucket or the like provided in the high place working vehicle is used. In addition, when water is accumulated in the switch 2, there is a risk of being damaged by a short circuit, which is very dangerous.

Therefore, without the operator approaches the switch 2, have developed a drilling tool 100 and orientation adjustment and switch weep apparatus fictitious been opened and closed dexterity the fixing work can be performed to the second is desired It was.

  The present invention has been made in order to solve the above-described problem, and a drainage device for a switch and an opening / closing device that can quickly, surely and safely carry out a draining operation of an aerial switch. A method of draining the vessel is provided.

  In order to solve the above-described problem, a water draining device for a switch according to claim 1 of the present invention is a water for removing water accumulated in the switch by opening a drain hole in a bottom plate of the suspended switch. A drainage tool, and a mounting tool for gripping the drainage tool by a drainage tool gripping portion, approaching the suspended switch and positioning it at a predetermined position below the bottom plate of the switch, Is configured to include a position adjusting mechanism and an angle adjusting mechanism for adjusting the position and angle of the draining tool gripped by the draining tool gripping part.

  According to the drainage device for a switch according to claim 1, the mounting tool is provided with a position adjustment mechanism portion and an angle adjustment mechanism portion that adjust the position and angle of the drainage tool gripped by the drainage tool gripping portion. By operating the position adjustment mechanism and angle adjustment mechanism, the drainage tool is brought closer to the suspended switch without approaching the switch, and is moved to a predetermined position below the bottom plate of the switch. Therefore, the draining operation of the imaginary switch can be carried out quickly, reliably and safely.

Further, switch water vent apparatus according to claim 1 of the present invention, in an open閉器water venting device described above, the draining tool, the opening and closing is operated by remote control rods are fictitious the water vent tool A mounting portion for mounting on a vessel, a cutting mechanism portion for forming a drain hole in the bottom plate of the switch, and a water receiving portion for supporting the cutting mechanism portion and receiving water flowing out of the drain hole. The cutting mechanism portion is characterized in that a drain hole is cut and opened in the bottom plate of the switch by rotating the cutter portion positioned at the upper end portion of the cutting mechanism portion while rotating the cutter portion.

According to the drainage device for a switch according to claim 1 , the drainage tool is attached to the suspended switch by operating the attachment portion using the remote control rod without approaching the switch, and the cutting mechanism By rotating and moving the cutter part of the part, a drain hole is cut and opened in the bottom plate of the switch, so that the fixing work of the drain tool and the draining work of the switch can be quickly performed. It can be implemented reliably and safely.

Further, switch water vent apparatus according to claim 1 of the present invention, in an open閉器water venting device described above, the installation tool is mounted on the undulating support of the aerial for vehicles, of the relief support portion The water draining tool is moved closer to the lower side of the bottom plate of the switch by operation, and is positioned at the predetermined position below the bottom plate of the switch by operating the position adjusting mechanism and the angle adjusting mechanism. Comprises a pair of abutting fixtures, and is positioned below the bottom plate of the switch by the mounting tool, and the abutment fixture is operated by a remote control rod to clamp the switch from the side. By doing so, it is fixed to the switch.
Moreover, the switch draining device according to claim 1 of the present invention is the switch draining device described above, in the above-described switch draining device, in the vicinity of the water receiving portion of the draining tool, with a certain inclination toward the bottom plate of the switch. A pair of laser spot irradiating units that emit laser light at an angle are arranged, and by confirming the separation state of two light spots irradiated to the bottom plate from both of the laser spot irradiating units, The position adjusting mechanism and the angle adjusting mechanism are operated to position the drainage tool at a predetermined position below the switch.
According to a first aspect of the present invention, there is provided the drainage device for a switch according to the above-described drainage device for a switch, wherein a contact sensor is disposed at an uppermost position of the water receiving portion of the drainage tool. By checking the contact state of the switch with the bottom plate, the position adjusting mechanism and the angle adjusting mechanism of the mounting tool are operated to position the draining tool at a predetermined position below the switch. It is characterized by doing.
According to a first aspect of the present invention, there is provided a drainage device for a switch according to the above-described drainage device for a switch, which is further connected to the drainage tool by wire and performs a drainage operation on the drainage tool. And a transmitter wirelessly connected to the receiver and instructing the receiver to perform an operation instruction for draining work, and transmitting an operation instruction from the transmitter disposed on the ground to the receiver, By operating the drainage tool with a receiver, the drainage operation for the bottom plate of the switch is performed.

According to the drainage device for a switch according to claim 1 , the mounting tool is attached to the undulation support portion of the vehicle for working at high places, the undulation support portion is operated to operate the drainage tool closer to the lower side of the bottom plate of the switch, Operate the position adjustment mechanism and angle adjustment mechanism to position the drainage tool at a predetermined position below the bottom plate of the switch, and then use the remote control bar to move the contact fixture without approaching the switch. By operating the switch, the drainage tool can be fixed to the switch by holding the switch from the side with the abutment fixture, so that the drainage tool can be fixed to the switch quickly and reliably. And it can be implemented safely.
Further, according to the drainage device for a switch according to claim 1, the drainage tool can be opened and closed by confirming the separated state of the two light spots irradiated to the bottom plate of the switch from a pair of laser spot irradiation units. The position and distance of the tool relative to the bottom plate can be determined, and the operator adjusts the position and angle of the mounting tool by operating the position adjustment mechanism and angle adjustment mechanism without approaching the switch. The drainage tool can be positioned at a predetermined position below the switch, and the drainage tool positioning operation can be performed more quickly, reliably and safely. If the pair of laser spot irradiators are set at a certain inclination angle and the water draining tool is set at a predetermined position below the switch, the light draining tool can be positioned. Work can be carried out more quickly and reliably.
Further, according to the drainage device for a switch according to claim 12, the contact state between the drainage tool and the switch bottom plate can be confirmed by a contact sensor arranged at the uppermost position of the water receiving portion. The position adjustment and angle adjustment of the attachment tool can be performed while confirming the above, and the drainage tool can be positioned at a predetermined position below the switch. If the contact sensor can check the contact state from a slightly separated position, the operator does not need to approach the switch to check the contact state, and the water drainage tool positioning work can be performed more quickly and reliably. In addition, it can be implemented safely.
According to the switch draining device according to claim 1, a transmitter connected by wire is arranged near the switch draining device, and the transmitter is wirelessly connected to a position away from the switch draining device. , The operation instruction from the transmitter is transmitted to the receiver, and the draining work on the bottom plate of the switch can be carried out by operating the draining tool with the receiver. Can be implemented.

The switch draining device according to claim 2 of the present invention is the switch draining device according to claim 1, wherein the position adjusting mechanism of the mounting tool holds the drain tool. A vertical movement mechanism that moves the tool gripping portion up and down to adjust the vertical position of the water draining tool, and a front and rear that moves the water draining tool gripping portion back and forth and adjusts the position in the front and rear direction of the water draining tool And a moving mechanism portion.

According to the water draining device for a switch according to claim 2 , the position adjustment mechanism portion of the mounting tool is configured to include a vertical movement mechanism portion and a longitudinal movement mechanism portion, and can be easily operated by operating each mechanism portion. In addition, the vertical movement mechanism unit moves the drainage tool gripping part up and down to adjust the vertical position of the drainage tool, and the longitudinal movement mechanism part moves the drainage tool gripping part back and forth to move the drainage tool gripping part. Since the position in the front-rear direction can be adjusted, the position adjustment operation of the drainage tool can be performed quickly, reliably and safely.

The switch draining device according to a third aspect of the present invention is the switch drainage device according to the second aspect , wherein the vertical movement mechanism portion is provided with an axial center in the vertical direction, and the upper end portion includes the water drainage device. A vertical drive shaft that holds the punching tool gripping portion, a vertical drive shaft outer cylinder that covers the vertical drive shaft and supports the vertical drive shaft so as to be movable up and down, and a vertical axis that grips the vertical drive shaft outer cylinder in the vertical direction A drive shaft outer cylinder gripping portion; and an operation shaft connected to a lower end portion of the vertical drive shaft outer cylinder; an upper portion of the operation shaft is screwed into a lower portion of the vertical drive shaft; By rotating the water removal tool, the water drainage tool gripping portion is moved up and down to adjust the vertical position of the water drainage tool.

According to the switch draining device according to claim 3 , the vertical movement mechanism portion is configured to include a vertical drive shaft, a vertical drive shaft outer cylinder, a vertical drive shaft outer cylinder gripping portion, and an operation shaft. By rotating the operation shaft, the drainage tool grip can be easily moved up and down to adjust the vertical position of the drainage tool. It can be implemented reliably and safely.

According to a fourth aspect of the present invention, there is provided the drainage device for a switch according to the third aspect , wherein the longitudinal mechanism is provided with an axial center in the front-rear direction, and the upper and lower portions at the front end. A support arm that supports the outer shaft gripping portion of the drive shaft, a front and rear drive shaft that has a front end connected to the upper and lower drive shaft outer tube gripping portion and drives the upper and lower drive shaft outer tube gripping portion in the front-rear direction, and the support arm A support arm base that supports the front and rear drive shafts, and a front and rear drive shaft operation unit that is connected to a rear end portion of the front and rear drive shafts to rotate the front and rear drive shafts and drive the front and rear drive shafts in the front and rear direction. And operating the front / rear drive shaft operating section to rotate the front / rear drive shaft to move the vertical drive shaft outer cylinder gripping section back and forth to adjust the position of the drainage tool in the front / rear direction. It is what.

According to the water draining device for a switch according to claim 4 , the longitudinal movement mechanism is configured to include a support arm, a longitudinal drive shaft, a support arm base, and a longitudinal drive shaft operation unit. By rotating the front and rear drive shafts by operating the operation unit, the vertical drive shaft outer cylinder gripping part can be easily moved back and forth, and the position of the water draining tool in the front and rear direction can be adjusted. The position adjustment operation in the front-rear direction can be performed quickly, reliably, and safely.

The drainage device for a switch according to claim 5 of the present invention is the drainage device for a switch according to any one of claims 1 to 4 , wherein the angle adjusting mechanism portion of the mounting tool is arranged in a vertical direction. A swivel mechanism that swivels the drainage tool gripping part around the swivel axis disposed to adjust the swivel angle of the drainage tool, and a column that is disposed in the vertical direction and holds the swivel mechanism part at the upper end. By tilting the drainage tool gripping portion in the vertical direction by tilting the drainage tool in the front-rear direction, and a vertical tilting mechanism portion that adjusts the vertical angle of the drainage tool, and tilting the support column in the left-right direction to thereby remove the drainage tool. And a left-right tilt mechanism that adjusts the left-right angle of the left-right angle.

According to the switch draining device of the fifth aspect , the angle adjusting mechanism part of the mounting tool is configured to include a turning mechanism part, a vertical tilting mechanism part, and a left / right tilting mechanism part, and each mechanism part is By operating the swivel mechanism, the water drainage tool gripping part is swiveled around the swivel axis to adjust the swivel angle of the drainage tool, and the vertical tilting mechanism part is used to tilt the column in the front-rear direction. The water drainage tool can be adjusted quickly and reliably and safely because the vertical angle of the water drainage tool can be adjusted, and the right and left tilt mechanism can tilt the column in the horizontal direction to adjust the left and right angles of the water drainage tool. Can be implemented.

According to a sixth aspect of the present invention, there is provided the drainage device for a switch according to the fifth aspect , wherein the pivot mechanism is provided with an axial center in the vertical direction and the drainage at the upper end. A turning shaft that supports a position adjusting mechanism that holds the tool gripping portion; and a turning motion operation portion that pivotally supports the lower end of the turning shaft and turns the turning shaft, and operates the turning motion operation portion. Then, by turning the swivel axis, the drainage tool gripping part is swung around the swivel axis to adjust the swivel angle of the drainage tool.

According to the water draining device for a switch according to claim 6 , the turning mechanism unit includes the turning shaft and the turning operation unit, and the turning shaft is turned by operating the turning operation unit. The swivel tool gripping part can be easily swiveled around the swivel axis to adjust the swivel angle of the drainage tool, so that the swivel tool swivel angle can be adjusted quickly, reliably and safely. Can be implemented.

According to a seventh aspect of the present invention, there is provided the drainage device for a switch according to the sixth aspect , wherein the vertical tilting mechanism portion has an axial center in the vertical direction, and the upper end is the pivot shaft. A strut that is connected to the strut, a bearing that supports the strut in a tiltable manner at the lower end of the strut, a strut gripping portion that is connected to the strut at an intermediate portion of the strut, and a front end that is connected to the strut gripping portion. A vertical movement operation unit that drives the column gripping part in the front-rear direction; and a vertical tilt operation part that holds a rear portion of the front-rear movement axis and drives the front-rear movement axis in the front-rear direction. To move the forward / backward movement shaft back and forth, thereby tilting the support column in the front-rear direction around the bearing portion, and accordingly, tilting the drainage tool gripping portion in the vertical direction. The vertical angle of the punching tool is adjusted.

According to the water draining device for a switch according to claim 7 , the vertical tilting mechanism unit is configured to include a column, a bearing unit, a column gripping unit, a longitudinal axis, and a vertical tilt operating unit. By operating the operation part to move the longitudinal axis back and forth, the support column can be easily tilted in the front-rear direction around the bearing part, and the drainage tool gripping part is tilted in the vertical direction accordingly. Since the vertical angle of the draining tool can be adjusted, the adjustment work of the vertical angle of the draining tool can be carried out quickly, reliably and safely.

According to an eighth aspect of the present invention, there is provided the drainage device for a switch according to the seventh aspect , wherein the left-right tilting mechanism portion has an axial center in the vertical direction and an upper end on the support column. A left-right tilting shaft to be connected; a left-right moving member that is pin-coupled to a lower end of the left-right tilting shaft; and an operation shaft that engages with the left-right moving member and drives the left-right moving member in the left-right direction, By rotating the operation shaft and moving the left and right moving member left and right, the support column is tilted in the left and right direction around the bearing portion, and accordingly, the drainage tool gripping portion is tilted in the left and right direction. The left and right corners of the drainage tool are adjusted.

According to the switch draining device of the eighth aspect , the left / right tilt mechanism is configured to include a left / right tilt shaft, a left / right motion member, and an operation shaft, and the left / right motion member is moved left and right by rotating the operation shaft. By moving it, the column can be easily tilted in the left-right direction around the bearing portion, and the drainage tool gripping portion can be tilted in the left-right direction accordingly, thereby adjusting the left-right angle of the drainage tool. Therefore, the adjustment work of the left and right corners of the drainage tool can be performed quickly, reliably and safely.

The water draining device for a switch according to claim 9 of the present invention is the water draining device for a switch according to any one of claims 1 to 8 , wherein a plurality of the contact sensors are provided at the uppermost position of the water receiving portion. When the plurality of contact sensors are brought into contact with the bottom plate of the switch, the parallelism between the draining tool and the bottom plate of the switch is confirmed together with the contact state. Is.

According to the water draining device for a switch according to claim 9 , the parallelism is confirmed together with the contact state between the water draining tool and the switch bottom plate by a plurality of contact sensors arranged at the uppermost position of the water receiving portion. While confirming these, the position adjustment and angle adjustment of the attachment tool can be performed, and the drainage tool can be positioned at a predetermined position below the switch. If the contact sensor has a mode in which the contact state and parallelism can be confirmed from a slightly separated position, the operator does not have to approach the switch to check the contact state and parallelism, and the drainage tool is positioned. Work can be carried out more quickly, reliably and safely.

Drainage method switch according to claim 1 0 of the present invention, using a switch water vent device according to any one of claims 1 to 9 mounted aerial mounting tool of the switch water venting unit It is attached to the undulation support portion of the vehicle, and the undulation support portion is operated to bring the drainage tool of the switch drainage device closer to the lower side of the bottom plate of the suspended switch, and the position adjustment provided for the attachment tool The mechanism part and the angle adjustment mechanism part are operated to be positioned at the predetermined position below the bottom plate of the switch, and a drain hole is made in the bottom plate of the switch by the draining tool and collected in the switch. It is characterized by removing water.

According to drain method switch according to claim 1 0, the mounting tool, and the position and the position adjusting mechanism for adjusting the angle and the angle adjusting mechanism of the drain tool held by the water drain tool-holding portion By operating the position adjusting mechanism and the angle adjusting mechanism, the water draining tool is brought close to the suspended switch without approaching the switch, and a predetermined position below the bottom plate of the switch is provided. The water draining operation of the imaginary switch can be performed quickly, reliably and safely.

  According to the water draining device for a switch and the water draining method for a switch according to the present invention, the water draining operation of the suspended switch can be carried out quickly, reliably and safely.

  BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a best mode for a switch draining device of the present invention will be described with reference to the drawings. It should be understood that the embodiments disclosed below are illustrative in all respects and are not restrictive. The technical scope of the present invention is shown not by the content disclosed in the embodiment but by the description of the scope of claims, and further includes all modifications within the meaning and scope equivalent to the scope of claims. Should be understood.

  A switch drain device 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view for explaining a draining operation by a switch draining device according to an embodiment of the present invention, and FIG. 2 is a perspective view for explaining the structure of the switch draining device. It is.

  The drainage device 1 (switch drainage device) according to the present embodiment opens a drainage hole in the bottom plate 3 of the switch 2 suspended on the support frame body 7 (D tube) of the utility pole 6, The draining tool 10 for removing the water accumulated in 2, and the draining tool 10 is gripped by the draining tool gripping part 41 and brought close to the imaginary switch 2 and below the bottom plate 3 of the switch 2. And an attachment tool 40 for positioning at a predetermined position. As shown in FIG. 1, the water draining apparatus 1 of the present invention has a mounting tool 40 attached to a boom 8 of a high-altitude work vehicle, and a draining tool 10 gripped by a draining tool gripping portion 41 of the mounting tool 40. Is moved close to the switch 2 and fixed to the bottom of the bottom plate 3 of the switch 2, and the cutter part 27 provided in the drainage tool 10 is rotated forward to move upward, and water is applied to the bottom plate 3 of the switch 2. A hole is formed.

(Configuration of drainage tool 10)
First, the configuration of the drainage tool 10 will be described with reference to FIGS. 2 and 3 to 5. FIG. 3 is a perspective view for explaining the structure of the drainage tool used in the switch draining device according to the embodiment of the present invention, and FIG. 4 shows the cutting mechanism of the drainage tool. FIG. 5 is a perspective view with a part cut away for explaining the structure, and FIG. 5 is a cross-sectional view for explaining the structure of the cutting mechanism part and the water receiving part. Here, in FIG. 3, the axial direction of the pair of support frames 12, 12 is defined as the front-rear direction, the horizontal direction perpendicular to the axial direction of the support frame 12 is defined as the left-right direction, and perpendicular to the axial direction of the support frame 12. The configuration and operation of the drainage tool 10 will be described below with the vertical direction as the vertical direction and the directions indicated by the arrows in the figure as the front, rear, left, right, upper, and lower directions.

  As shown in FIG. 2, the drainage tool 10 includes a mounting portion 11 for attaching the drainage tool 10 to the suspended switch 2 and a cutting mechanism for forming a drainage hole in the bottom plate 3 of the switch 2. A portion 25 and a water receiving portion 20 that supports the cutting mechanism portion 25 and receives water extracted from the drain hole.

(Mounting part 11)
The attachment portion 11 has a pair of straight rod-like support frames 12 and 12 arranged in parallel with each other at a predetermined interval, and one end of the pair of support frames 12 and 12 has a switch 2 A fixed abutting portion 13 that abuts on one (front) side plate 4 is attached, and a movable abutting portion that faces the other (rear) side plate 5 of the switch 2 at an appropriate interval on the other end side. 14 is attached to be movable in the front-rear direction.

  The fixed abutment portion 13 stands upward from a center portion of the upper surface of the fixed abutment body portion 13a and a fixed abutment body portion 13a that holds the ends of the pair of support frames 12 and 12 at a predetermined interval. The fixed support shaft 13b is provided, and a fixed support shaft contact portion 13c that protrudes from the vicinity of the upper end of the fixed support shaft 13b toward the rear (the direction facing one side plate 4 of the switch 2). Is done. An antenna 13d is erected upward at a position on the rear side of the left and right ends of the fixed contact main body 13a. The antenna 13d attaches the attachment tool 40 to the boom 8 of the high-altitude work vehicle and moves the drainage tool 10 and the switch 2 (the bottom plate 3,. It is used to confirm the mutual positional relationship with the side plate 4).

  The movable abutting portion 14 stands upward at the center of the upper surface of the movable abutting main body portion 14a and the movable abutting main body portion 14a that holds the intermediate portion of the pair of support frames 12 and 12 at a predetermined interval. It is comprised with the movable support shaft 14b provided, and it is attached so that a movement along the axial direction of the support frame 12 is possible. That is, the movable contact main body portion 14a is provided with a through hole 14c through which the pair of support frames 12, 12 are inserted, and the movable contact main body portion 14a is inserted into the pair of support frames 12 through the through hole 14c. , 12 and can be moved along the axial direction of the support frame 12.

  Further, a screw hole (not shown) reaching the through hole 14c through which the support frame 12 is inserted is provided on the lower end surface of the movable contact main body portion 14a, and a fixed screw shaft 15 screwed into the screw hole is provided. It is arranged so as to be able to advance and retract toward the pair of support frames 12 and 12. A fixing ring portion 15a is formed at the lower end of the fixing screw shaft 15, and the fixing screw shaft 15 is rotated in the normal rotation direction by using a rotating jig with a hook, thereby fixing the fixing screw shaft 15 to a pair of support frames. 12, the movable contact main body portion 14a can be fixed at a predetermined position in the axial direction of the support frame 12, and the fixing screw shaft 15 is rotated by rotating the fixing ring portion 15a in the reverse direction. The movable contact main body portion 14a can be moved along the axial direction of the support frame 12 by being detached from the pair of support frames 12 and 12. By fixing the movable contact main body 14a at a predetermined position in the axial direction of the support frame 12, the movable screw shaft 16 is positioned at a predetermined distance from the side plate 5 of the switch 2 (the advance of the movable screw shaft 16). It is possible to position the switch 2 at a position suitable for holding the switch 2 by movement.

  The movable screw shaft 16 is screwed into a screw hole provided in the vicinity of the upper end of the movable support shaft 14b. A movable screw shaft end abutting portion 16a is provided at the front end of the movable screw shaft 16 and is movable. A hexagonal columnar engaging column portion 16 b is provided at the rear end of the screw shaft 16. An operation handle is attached to the hexagonal column-shaped engagement column portion 16b provided at the rear end of the movable screw shaft 16, and the engagement column portion 16b is rotated in the forward rotation direction by using the operation handle to move the movable screw. By moving the shaft 16 forward, the movable screw shaft end abutting portion 16 a disposed at the front end of the movable screw shaft 16 can be brought into contact with the side plate 5 of the switch 2. In this way, the side plates 4 and 5 of the switch 2 are fixed to the fixed contact portion 13 (fixed support shaft contact portion 13c) and the movable contact portion 14 (movable screw shaft end contact portion 16a) by the mounting portion 11. The draining tool 10 is fixed to the switch 2 in a state where the pair of support frames 12 and 12 are disposed along the bottom plate 3 of the switch 2.

(Water receiving part 20)
The water receiver 20 includes a water receiver container 21 that receives water flowing from a drain hole that is spanned between the pair of support frames 12 and 12 of the water receiver tool 10 and opened by cutting with the cutter part 27, and a water receiver. A pair of laser pointers 22 (laser spot irradiating portions) that are arranged adjacent to the container 21 and emit laser light with a certain inclination angle toward the bottom plate 3 of the switch 2, and the uppermost position of the water receiving container 21 And the contact sensor 23 arranged in the.

  The water receiving container 21 is erected perpendicularly to the axial direction of the pair of support frames 12, 12, and includes two side plates 21 a disposed on the front and back with the cutter unit 27 interposed therebetween, and the pair of support frames 12. The two partition plates 21b, which are erected parallel to the axial direction of the twelve, are arranged on the left and right sides of the pair of support frames 12, 12 with the cutter portion 27 interposed therebetween, and the two side plates 21a. And a bottom plate 21c that covers the lower side of the two partition plates 21b, and is configured so that the upper side is open, and is attached so as to be movable along the axial direction of the support frame 12. That is, a through hole 21d through which the pair of support frames 12, 12 are inserted is provided at a position below the side plate 21a of the water receiving container 21, and the water receiving container 21 is inserted into the pair of support holes 21d. Guided by the frames 12, 12, it can move along the axial direction of the support frame 12.

  Further, a screw hole (not shown) reaching the through hole 21d through which the support frame 12 is inserted is provided on the lower end surface of the side plate 21a, and a fixed screw shaft 24 that is screwed into the screw hole is a pair of screws. The support frames 12 and 12 are disposed so as to be able to advance and retract. A fixing ring portion 24a is formed at the lower end of the fixing screw shaft 24. By rotating the fixing ring portion 24a in the normal rotation direction using a rotating jig with a hook, the fixing screw shaft 24 is paired with a pair of support frames. 12, the water receiving container 21 can be fixed at a predetermined position in the axial direction of the support frame 12. By rotating the fixing ring portion 24a in the reverse direction, a pair of fixing screw shafts 24 can be secured. The water receiving container 21 can be moved along the axial direction of the support frame 12 by being detached from the support frames 12, 12. By fixing the water receiving container 21 at a predetermined position in the axial direction of the support frame 12, the cutter unit 27 can be positioned at a predetermined position below the bottom plate 3 (position where a drain hole is scheduled to be opened).

  Further, the bottom plate 21c of the water receiving container 21 has a cutter protruding opening 21e from which the cutter unit 27 protrudes upward and backward, and a hose (not shown) that discharges water accumulated in the water receiving container 21 to the outside. ) Is connected to a drain outlet (not shown). Further, a level (not shown), a laser pointer 22 and a contact sensor 23 are arranged around the water receiving container. The level is arranged on the back side of the bottom plate 21c of the water receiving container 21. When the bottom plate 21c is looked up from below the water receiving container 21, the level of the water receiving container 21 and further the level of the support frame 12 are increased. Can be confirmed.

  The laser pointer 22 emits a laser beam toward the bottom plate 3 of the switch 2 and is disposed near the outside of the two side plates 21 a constituting the water receiving container 21, and is irradiated from both laser pointers 22 and 22. The two laser beams thus adjusted are adjusted to a certain irradiation angle so as to form an image as one light spot at a position away from the upper side of the water receiving container 21 by a predetermined dimension, and the position adjusting mechanism 45 of the mounting tool 40 is adjusted. And two light spots emitted from the laser pointers 22 and 22 toward the bottom plate 3 of the switch 2 when the drainage tool 10 is moved closer to the switch 2 from below by operating the angle adjusting mechanism 60. The water drainage tool 10 can be positioned at a position away from the switch 2 by a predetermined dimension while confirming the separated state.

  Two contact sensors 23 are arranged diagonally on the upper surfaces of the two side plates 21 a constituting the water receiving container 21. The contact sensor 23 is mechanically displaced in accordance with the load of a non-contacting object that contacts the top, and the outer periphery of the contact sensor 23 can be easily recognized by confirming the displacement state of the top from the outside. A plurality of markings are applied to the display unit arranged on the surface. These contact sensors 23, 23 come into contact with the bottom plate 3 of the switch 2, and the contact state and parallelism of the drainage tool 10 with respect to the bottom plate 3 of the switch 2 are confirmed by checking the marking on the display unit corresponding to the load state. Can be confirmed.

(Cutting mechanism 25)
The cutting mechanism unit 25 converts a rotating body 26 having a cutter part 27 at a tip portion thereof, a motor 32 that generates a rotational driving force for rotating the rotating body 26, and a rotational driving force by the motor 32 into forward movement of the cutter part 27. The differential mechanism part 29 etc. which transmit are transmitted. The motor 32 is supported by the bottom plate 21 c via the gripping member 37 so that the rotational axis direction thereof is parallel to the bottom plate 21 c of the water receiving container 21, and a speed reduction mechanism (not shown) connected to the motor 32 is provided. The output shaft 32a is configured to be perpendicular to the bottom plate 21c.

  The distal end portion of the rotating body 26 is formed in a cylindrical shape, and is a cutter portion 27 having cutting edges 27a and 27b on the distal end surface and the outer peripheral surface thereof. A drainage groove 27c is formed between the cutting edges 27b, 27b formed in a spiral shape on the outer peripheral surface. A threaded portion 28a is formed on the outer periphery of the rotating body base 28 located on the opposite side of the rotating body 26 from the cutter portion 27, and a hexagonal hole 28b that opens downward is formed at the axial center of the rotating body base 28. Is formed.

  A pushing member 34 that is urged by the urging spring material 35 is disposed in the space in the cylinder at the tip portion (cutter portion 27) of the rotating body 26. The pushing member 34 includes a pin-shaped portion 34a and a skirt portion 34b, and the skirt portion 34b is guided by a guide tube 33 so as to be slidable in the vertical direction. The guide tube 33 is press-fitted and fixed in the space in the cylinder of the cutter unit 27, and the upward protruding position of the pin-shaped portion 34 a of the pushing member 34 is regulated by the guide tube 33. The pushing member 34 has a function of separating the cut piece of the bottom plate 3 of the switch 2 cut into an annular shape by the cutter portion 27 from the bottom plate 3 by pushing, and a drain hole formed in the trace of the cut piece The water is discharged smoothly.

  The motor 32 has a speed reduction mechanism (not shown) inside a rectangular body 32d continuously provided on the output shaft 32a side of the motor 32, and is decelerated by a speed reduction device including a bevel gear, and the rotation axis is upward. The output shaft 32a having a hexagonal cross section which is converted into (perpendicular to the bottom plate 21c) and protrudes from the reduced diameter portion 32b of the rotating shaft is fitted into the hexagonal hole portion 28b of the rotating body base 28, and the output shaft 32a The rotation is transmitted as the rotation of the rotating body 26 and, as a result, the rotation of the cutter unit 27. Further, the rotation of the output shaft 32a of the motor 32 is caused to move forward (when cutting the bottom plate 3) and backward (when retracting from the bottom plate 3) of the rotating body 26 (cutter 27) via the differential mechanism 29. Is converted to

  The differential mechanism portion 29 includes a nut body 30 and a connecting gear body 31. The nut body 30 is a substantially cylindrical member configured to cover the rotating body base 28, and a screw portion 30a is formed on the inner peripheral surface thereof, and a gear portion 30b is formed at a position below the outer peripheral surface. ing. The screw portion 30 a on the inner peripheral surface is screwed to the screw portion 28 a formed on the outer peripheral surface of the rotating body base portion 28. Further, an upper gear portion 31a and a lower gear portion 31b are formed at an upper position and a lower position on the outer peripheral surface of the connection gear body 31, respectively, so that the upper gear portion 31a and the lower gear portion 31b rotate integrally. The upper gear portion 31 a is engaged with the gear portion 30 b of the nut body 30, and the lower gear portion 31 b is engaged with the drive gear portion 32 c positioned below the output shaft 32 a of the motor 32.

  The rotation of the output shaft 32a of the motor 32 is transmitted to the lower gear portion 31b of the connecting gear body 31 via the drive gear portion 32c by the differential mechanism portion 29 configured in this way, and is integrated with the lower gear portion 31b. It is transmitted to the gear part 30b of the nut body 30 via the upper gear part 31a which has a relationship, and the nut body 30 is rotated. The rotation body 26 and the nut body 30 are restrained from moving in a direction other than the axial direction (circumferential direction) by the output shaft 32a, and are screwed into a screw 30a formed on the inner peripheral surface as the nut body 30 rotates. The rotating body 26 (cutter part 27) can be moved forward during the forward rotation of the motor 32 and the rotating body 26 (cutter part 27) can be moved backward during the reverse rotation via the screw part 28a of the rotating body base 28. .

  The rotational speed of the output shaft 32a of the motor 32 is α, the number of teeth of the drive gear body 32c is a, the number of teeth of the lower gear part 31b is b, the number of teeth of the upper gear part 31a is c, and the number of teeth of the gear part 30b is d, where e is the pitch between the screw portion 28a and the screw portion 30a, and α is the rotational speed of the cutter portion 27 (rotating body 26), the forward speed v of the cutter portion 27 (rotating body 26) is expressed by the following equation. .

v = α × e × {1- (a / b) × (c / d)}
By appropriately selecting the number of teeth a, b, c, d and the pitch e, the forward speed v of the cutter unit 27 (rotating body 26) can be set to an appropriate speed that is significantly reduced.

  A gripping member 37 having a substantially flat cylindrical shape is attached below the cutter protruding opening 21e formed in the bottom plate 21c of the water receiving container 21. The rotating body 26 provided with the cutter unit 27 is disposed so as to project through the cutter projecting opening 21e formed in the bottom plate 21c of the water receiving container 21 so that the tip of the cutter unit 27 faces the bottom plate 3 of the switch 2. The At the side of the rotary body 26 and the nut body 30 of the cutting mechanism 25, an attachment member 36 that rotatably holds the rotary body 26 and the nut body 30 is disposed, and the cutter protruding opening 21e of the bottom plate 21c. A gripping member 37 that seals in a watertight state is disposed, and the protruding ear portion formed on the outer peripheral surface of the upper end of the mounting member 36 and the gripping member 37 are fastened by bolts and nuts (not shown). Thus, the cutting mechanism 25 is fixedly supported on the bottom plate 21 c of the water receiving container 21. A cable connection port 32e for connecting the other end of a cable 92 whose one end is connected to a receiver 90 described later is provided on the end surface of the motor 32 opposite to the side where the square body portion 32d is disposed. ing.

(Operation of the cutting mechanism 25)
Here, the operation of the cutting mechanism unit 25 will be described. In addition, the procedure of the water draining operation using the water draining device 1 will be described in detail later.

  When the motor 32 of the cutting mechanism section 25 is driven in the forward rotation direction in a state where the upper side portion (contact sensor 23) of the water receiving container 21 is disposed in close contact with the bottom surface 3 of the switch 2, the output shaft of the motor 32 is driven. The rotation of 32a is transmitted to the rotating body 26, and the cutter unit 27 is rotated, and is transmitted to the nut body 30 via the connecting gear body 31, and the cutter unit 27 is moved forward in the direction of arrow A. The cutter unit 27 is opened and closed. The bottom plate 3 of the vessel 2 is cut into an annular shape.

  The pushing member 34 tries to protrude by the urging force of the urging spring member 35, and when the cutting piece is cut into an annular shape by the cutter portion 27 and cut off, the cutting piece is pushed out and reliably detached from the bottom plate 3. Thus, a drain hole is opened in the bottom plate 3. Then, the water accumulated in the switch 2 flows out from the drain hole in the fully opened state through the discharge groove 27c of the cutter unit 27, is received by the water receiving container 21 and is further received from the drain outlet provided in the bottom plate 21c. It will be discharged outside through the hose. Further, when the drainage hole was opened, the motor 32 was stopped, further rotated in the reverse direction, and when the cutter unit 27 was moved backward to be separated from the drainage hole, it was accumulated in the switch 2. Water is discharged to the outside at once.

(Configuration and operation of mounting tool 40)
Next, the structure and operation | movement of the attachment tool 40 are demonstrated based on FIG. 2 and FIGS. 6-9. FIG. 6 is a perspective view for explaining the structure of the mounting tool used in the switch draining device according to the embodiment of the present invention, and FIG. 7 is a side view for explaining the structure of the mounting tool ( FIG. 8 is a sectional view taken along the line AA, and FIG. 8B is a sectional view taken along the line BB for explaining the structure of the angle adjusting mechanism of the mounting tool. FIG. 9 is a perspective view for explaining the operation. Here, in FIG. 6, the axial direction of the pair of support frames is the front-rear direction, the direction perpendicular to the axial direction and located on the horizontal plane is the left-right direction, and the direction perpendicular to the axial direction and located on the vertical plane. Will be described below as front, rear, left, right, upper and lower as indicated in the figure.

  The mounting tool 40 includes a drainage tool gripping portion 41 that grips the motor 32 and supports the drainage tool 10, and the drainage tool gripping portion 41 in the vertical direction (Y direction) and the longitudinal direction with respect to the angle adjustment mechanism portion 60. The water drainage tool gripper 41 is swung (θ direction) with respect to the position adjustment mechanism 45 that moves in the (X direction) and adjusts its position, and the support frame 84 that supports the angle adjustment mechanism 60. An angle adjustment mechanism 60 that tilts (α direction) and tilts left and right (β direction) and adjusts the turning angle, the vertical angle, and the left and right angles, and the mounting tool 40 (support frame body 84) are mounted on an aerial work vehicle. And a boom clamping plate 85 that is fixed to the boom 8.

(Draining tool gripping part 41)
The drainage tool gripping portion 41 is inserted into a pair of gripping plates 42 (upper gripping plate 42a and lower gripping plate 42b) arranged in parallel with each other in the vertical position and through holes opened in the pair of gripping plates 42. The pair of gripping plates 42 are connected to and held in parallel with each other by two gripping plate coupling shafts 43 and another through hole opened in the pair of gripping plates 42, and rotated to form a pair of A gripping plate drive shaft 44 that drives the upper gripping plate 42a of the gripping plate 42 in the vertical direction is provided.

  The grip plate connecting shaft 43 is fixed to the lower grip plate 42b of the pair of grip plates 42, and is loosely fitted to the upper grip plate 42a. The grip plate drive shaft 44 is disposed adjacent to each other between the two grip plate coupling shafts 43, and its upper end is rotatably fixed to the upper grip plate 42a, and its lower end is connected to the lower grip plate 42b. The holding plate drive shaft end ring portion 44a is continuously provided at the lower end while being rotatably supported by being inserted through the opened through hole.

  On the surface of the shaft center of the two gripping plate connecting shafts 43 and the gripping plate drive shaft 44, threaded grooves that are screwed to each other are formed, and the grip plate drive shaft end ring portion 44a at the lower end of the grip plate drive shaft 44 is formed. By rotating in the forward direction, the upper gripping plate 42a moves downward. Then, by the downward movement of the upper gripping plate 42a, the rectangular body 32d of the motor 32 disposed between the upper gripping plate 42a and the lower gripping plate 42b is sandwiched, and the drainage tool 10 is held. Become. Further, if the gripping plate driving shaft end ring portion 44a is rotated in the reverse direction, the upper gripping plate 42a is moved upward, and the motor 32 (water draining) sandwiched between the upper gripping plate 42a and the lower gripping plate 42b. The tool 10) will be released.

(Position adjustment mechanism 45)
The position adjusting mechanism 45 moves the water draining tool gripping part 41 that supports the water draining tool 10 up and down to adjust the vertical position of the water draining tool 10, and the water draining tool gripping part 41. Is moved back and forth to adjust the position of the water draining tool 10 in the front-rear direction.

(Vertical movement mechanism 46)
The vertical movement mechanism unit 46 has a cylindrical vertical drive shaft 47 that holds the drainage tool gripping part 41 at the upper end, and the vertical drive shaft 47 that covers the vertical drive shaft 47 and supports the vertical drive shaft 47 so as to be movable up and down. A cylinder 48, a vertical drive shaft outer cylinder grip portion 49 that grips the vertical drive shaft outer cylinder 48, and an operation shaft 50 through which an upper portion (upward extending shaft portion 50 a) is inserted into the cylinder of the vertical drive shaft 47. The lower part of the operation shaft 50 protrudes from the lower surface of the vertical drive shaft outer cylinder 48. The vertical drive shaft 47 having a male thread portion threadedly engaged with the engagement female screw 47a of the vertical drive shaft 47 is loosely fitted to the vertical drive shaft outer cylinder 48 so as to be vertically movable. The engaging female screw portion 47a formed in the lower part of the screw is engaged with a male screw portion formed on the outer peripheral surface of the upper extending shaft portion 50a of the operating shaft 50 inserted through the vertical drive shaft 47, The operation shaft 50 is connected to the operation shaft 50 so as to move up and down in the Y direction shown in FIG.

  Further, a hexagonal hole-shaped engaging recess 50 b is formed on the lower end surface of the operation shaft 50. By engaging the engagement concave portion 50b with a convex portion having a hexagonal cross section at the distal end of the operation handle and rotating the operation handle in the forward rotation direction, the vertical drive shaft 47 screwed to the operation shaft 50 becomes the vertical drive shaft outer cylinder. It is driven upward (upward in the Y direction shown in FIG. 9) with respect to 48 (vertical drive shaft outer cylinder grip 49 supporting the vertical drive shaft outer cylinder 48). By rotating the operation handle in the reverse rotation direction, the vertical drive shaft 47 is driven downward (downward in the Y direction shown in FIG. 9) with respect to the vertical movement shaft outer cylinder gripping portion 49. The vertical movement stroke of the vertical drive shaft 47 by the vertical movement mechanism unit 46 is set to a dimension of 250 to 400 mm (300 mm in the present embodiment).

  A drainage tool support 47b is fitted on the upper part of the vertical drive shaft 47 so as to be rotatable with respect to the axis of the vertical drive shaft 47. The drainage tool support 47b is attached to the drainage tool support 47b. When 41 (drainage tool 10) is attached, the drainage tool support 47b is positioned in a plane in which the gripping surfaces of the pair of gripping plates 42a and 42b are perpendicular to the axis of the vertical drive shaft 47. The drainage tool gripping portion 41 is supported so as to rotate. Accordingly, when a force that rotates the drainage tool 10 from the outside is applied to the drainage tool support 47b through a part of the drainage tool 10, the drainage tool 10 supported by the drainage tool support 47b. Can be swung around the axis of the vertical drive shaft 47.

(Previous movement mechanism 51)
The forward / backward movement mechanism 51 includes a pair of support arms 52, 52 that are arranged in parallel to each other at the left and right positions and whose tip is connected to the vertical drive shaft outer cylinder gripping portion 49, and whose tip is the vertical drive shaft outer cylinder gripping portion. 49, a front / rear drive shaft 53 that drives the vertical drive shaft outer cylinder gripping portion 49 in the front / rear direction, a support arm base 54 that supports a pair of support arms so as to move back and forth, and a front / rear drive shaft 53. And a front / rear drive shaft operating portion 55 for driving the front / rear drive shaft 53 in the front / rear direction. The front / rear drive shaft operation unit 55 includes a bevel gear 56 connected to a rear portion of the front / rear drive shaft 53, an operation shaft 57 disposed perpendicular to the axial direction of the front / rear drive shaft 53, and an end of the operation shaft 57. A bevel gear 58 that is fixed to the bevel and engages with 56 bevel wheels is disposed.

  The pair of support arms 52, 52 are fixed vertically to the side plate of the vertical drive shaft outer cylinder gripping portion 49 and the rear ends of the pair of support arms 52, 52 are freely inserted into through holes provided inside the support arm base 54. It is fitted and supported so that it can move back and forth. Further, the front / rear drive shaft 53 is disposed between the pair of support arms 52, 52, the tip portion thereof is connected to the side surface of the vertical drive shaft outer cylinder gripping portion 49, and the male screw portion formed at the rear portion thereof. The internal thread portion formed in the central through hole of the bevel gear 56 disposed in the front / rear drive shaft operation portion 55 is screwed. The operation shaft 57 arranged in the vertical direction perpendicular to the axial direction of the front / rear drive shaft 53 is rotatably held on the bottom plate of the front / rear drive shaft operation unit 55 and is located inside the front / rear drive shaft operation unit 55. A bevel gear 58 is fixed to the upper end portion, and the bevel gear 58 is engaged with the bevel gear 56. A lower end portion of the operation shaft 57 protrudes below the front and rear drive shaft operation portion 55, and a hexagonal hole-shaped engaging recess 57a is formed on the end surface.

  By engaging the engaging concave portion 57a with a convex portion having a hexagonal cross section at the distal end of the operating handle and rotating the operating handle in the normal rotation direction, the bevel gears 56 and 58 are rotated and the bevel gear 56 is rotated. The front / rear drive shaft 53 to be screwed is moved forward (the front side in the X direction shown in FIG. 9) and the support arm base 54 is supported with the vertical drive shaft outer cylinder gripping portion 49 supported by the support arm 52. Is driven forward. Further, by rotating the operation handle in the reverse direction, the front / rear drive shaft 53 is moved rearward (rear side in the X direction shown in FIG. 9) while rotating, and the vertical drive shaft outer cylinder gripping portion 49 is supported. It is driven toward the rear with respect to the arm base 54. The longitudinal movement stroke of the longitudinal drive shaft 53 by the longitudinal movement mechanism 51 is set to a dimension of 250 to 400 mm (300 mm in the present embodiment).

  In the mounting tool 40 according to the embodiment of the present invention, the drainage tool gripping portion 41 is moved up and down by the vertical movement mechanism portion 46 by having the position adjusting mechanism portion 45 configured as described above. 10 can be adjusted, and the vertical drive shaft outer cylinder gripper 49 can be moved back and forth by the longitudinal movement mechanism 51 to adjust the longitudinal position of the drainage tool 10.

(Angle adjustment mechanism 60)
The angle adjustment mechanism section 60 holds the position adjustment mechanism section 45 (the longitudinal movement mechanism section 51), and rotates the longitudinal movement mechanism section 51 in a plane perpendicular to the rotation axis 62 around the rotation axis 62 arranged in the vertical direction. And the vertical tilt mechanism 66 that tilts the longitudinal movement mechanism 51 in the vertical direction by tilting the support 67 arranged in the vertical direction holding the rotational movement mechanism 61 in the vertical direction. And a left-right tilt mechanism 80 that tilts the longitudinal movement mechanism 51 in the left-right direction by tilting the column 67 holding the turning mechanism 61 in the left-right direction. It should be noted that the main part of the angle adjustment mechanism 60, which mainly includes a drive member such as a post 67 described later, is covered with a dustproof cover 59, and each operation part such as the angle adjustment mechanism 60 is covered with a resin cover. Protected from on-site dust and water.

(Swivel mechanism 61)
In the turning motion mechanism 61, the upper end of the turning shaft 62 whose axis is arranged in the vertical direction inside the turning motion operation portion 63 protrudes from the turning motion operation portion 63 so that the longitudinal motion mechanism portion 51 (support arm base 54) is supported. ), And the lower end of the turning shaft 62 is connected to the worm gear 64a inside the turning operation unit 63, and the worm gear 64 and the bevel gear (the worm gear 64a and the worm 64b). It is connected to the operating shaft 65 via a drive transmission mechanism having a not shown. The operation shaft 65 has an end projecting outward from the turning operation unit 63, and a hexagonal hole-shaped engagement recess 65 a is formed on the end surface.

  By attaching an operation handle to the engagement recess 65a and rotating the operation shaft 65 forward and backward, the longitudinal movement mechanism 51 (support arm 52) is perpendicular to the pivot shaft 62 around the pivot shaft 62. It can be swiveled in the plane. That is, in the reference posture in which the turning shaft 62 is positioned in the vertical direction, the turning mechanism unit 61 moves the front-rear movement mechanism unit 51 in the horizontal plane in the forward direction (a state in which the longitudinal direction of the support arm 52 is parallel to the boom 8). , The support arm base 54 can be turned in the left-right direction (the θ direction shown in FIG. 9). In the present embodiment, the turning angle of the turning mechanism mechanism 61 is set so as to turn 90 degrees at the maximum in the left-right direction with reference to the forward direction.

  In actual draining work, there are undulations and obstacles on the ground surface, and when the draining tool 10 is brought close to the switch 2, it is not necessarily parallel to the side plate in the longitudinal direction of the switch 2 (side plate 4 In the case where the boom 8 of the vehicle for working at high places cannot be arranged in the vertical direction, and the drainage tool 10 is approached obliquely downward from the longitudinal side surface of the switch 2, In order to bring the drainage tool 10 closer to the switch 2 with the support frames 12 and 12 of the drainage tool 10 gripped by the drainage tool gripping part 41 being parallel to the side surface in the longitudinal direction of the switch 2, By using the mechanism portion 61, the drainage tool gripping portion 41 is turned with respect to the axial direction of the support arm 52 (parallel to the boom 8), so that the support frame 12 of the drainage tool 10 is a side plate in the longitudinal direction of the switch 2. To be parallel to .

(Vertical tilt mechanism 66)
At the center of the vertical tilting mechanism portion 66, a cylindrical column 67 having an axial center in the vertical direction is provided, and the upper end of the column 67 is an axis between the column 67 and the swing shaft 62 of the swing mechanism mechanism 61. In a state where the centers coincide with each other, it is connected to the lower end of the turning shaft 62 to hold the turning movement mechanism portion 61, and a spherical member 68 attached to the lower end of the column 67 is supported by a spherical bearing 69. 67 is configured to be tiltable in any radial direction around the spherical bearing 69. The spherical bearing 69 is held by the bearing holding portion 70, and the bearing holding portion 70 is further supported by a support tube member 86 fitted in a through hole provided in the boom clamping plate 85 of the support frame 84, whereby an attachment tool is provided. A support column 67 that holds 40 (the longitudinal movement mechanism 51 and the turning mechanism 61) is supported by the support frame 84 so as to be tiltable. That is, the spherical member 68, the spherical bearing 69, and the bearing holding portion 70 constitute a bearing portion that supports the column 67 in a tiltable manner at the lower end of the column 67.

  Further, in the intermediate portion of the column 67, a column holding part 71 composed of four side members is arranged so as to surround the column 67, and the side members 71a of the column holding unit 71 arranged on the left and right sides of the column are A bolt 72 and a nut 72a penetrating the column 67 in the left-right direction are connected to the column 67, and a front end of the front-rear moving shaft 73 is connected to a central portion of a rear member 71b disposed on the rear side of the column grip 71. ing.

  On the other hand, the up / down tilt operation unit 74 disposed behind the up / down tilt mechanism 66 is provided with a back-and-forth motion shaft 73 so as to pass through a through hole provided in the front wall 74a. A tubular member 75 having a male screw formed on the outer peripheral surface of the rear end portion of the shaft 73 and a female screw formed on the inner peripheral surface is disposed in a state of being screwed into the male screw. The front side portion of the tubular member 75 is supported to be tiltable by a bearing 76 attached to the front wall 74a of the up / down tilt operation portion 74, and the front / rear moving shaft 73 is slidably held. A bevel gear 77 is fixedly provided on the outer peripheral surface of the rear side portion that is separated from each other. Further, an operation shaft 78 is arranged on the side wall 74 b of the vertical tilt operation unit 74 so as to pass through a through hole provided in the side wall 74 b, and an end portion of the operation shaft 78 located in the vertical tilt operation unit 74 A bevel gear 79 is fixed, and the bevel gear 79 is engaged with a bevel gear 77 fixed to the tubular member. Further, a hexagonal hole-shaped engaging recess 78 a is formed on the end surface of the operation shaft 78 protruding outward from the vertical tilt operation portion 74.

  An operating handle is attached to the engaging recess 78a, and the operating shaft 78 is rotated forward / reversely, so that the longitudinal movement mechanism 51 (support arm 52) is in-plane defined by the column 67 and the support arm 52. Can be tilted up and down together with the support 67. That is, when the operation shaft 78 is rotated, the tubular member 75 is rotated via the bevel gears 77 and 79, and the longitudinal movement shaft 73 screwed to the tubular member 75 is driven in the front-rear direction. Then, the longitudinal movement of the longitudinal movement shaft 73 is transmitted to the column gripping part 71, whereby the column 67 is tilted in the front-rear direction around the spherical bearing 69, and accordingly the turning mechanism unit supported by the column 67. 61, the longitudinal movement mechanism 51 (support arm base 54) is tilted in the longitudinal direction (α ′ direction shown in FIG. 9), and the support arm 52 of the longitudinal movement mechanism 51 is moved in the vertical direction (α shown in FIG. 9). Direction). In the reference posture in which the support 67 is positioned in the vertical direction and the support arm 52 is positioned in the horizontal direction, the vertical tilting mechanism unit 66 moves the support arm 52 with respect to the horizontal plane within the vertical plane including the support arm 52 and the support 67. Can be tilted up and down. In the present embodiment, the tilt angle of the vertical tilt mechanism 66 (the tilt angle of the support arm 52 = the vertical angle of the drainage tool 10) tilts up to 15 ° in the vertical direction with respect to the horizontal plane (direction). Is set to

  In addition, the estimated cause angle of the boom 8 in the water draining operation is a number of vertical angles (for example, 30 °, 45 °) that are presumed to be appropriate for the imaginary switch 2 to be operated. °, 50 °, etc.). In the present embodiment, the attachment angle of the boom contact plate 89 is set to 45 °, and corresponding to the difference between the set scheduled cause angle and the attachment angle (45 °) of the boom contact plate 89, Prior adjustment of the vertical angle of the drainage tool 10 is required. In the present embodiment, an adjustment memory (not shown) for displaying the tilt angle of the support column 67 is provided at an appropriate position of the support frame 84. While checking the adjustment memory, the vertical tilt mechanism 66 is operated to drain water. The vertical angle of the tool 10 can be adjusted.

  Further, in actual water draining work, there are undulations and obstacles on the ground surface, and when the water draining tool 10 is brought close to the switch 2, the boom 8 of the high-altitude work vehicle is preliminarily raised to an angle. Even if it is raised, the support frame 52 of the forward / backward movement mechanism portion 51 cannot always be parallel (horizontal) to the bottom plate 3 of the switch 2, and the boom 8 is raised to this predetermined angle, By operating the vertical tilt mechanism 66, the axial direction of the support column 67 can be adjusted in the vertical direction (the support arm 52 and the support frame 12 are thus positioned horizontally).

  In this way, by operating the operation handle mounted on the operation shaft 78 of the vertical tilt mechanism 66 and rotating the operation shaft 78 forward and backward, the column 67 of the vertical tilt mechanism 66 is tilted in the vertical direction. By adjusting the vertical angle of the support arm 52, the support frame 12 of the drainage tool 10 gripped by the drainage tool gripping part 41 can be made parallel to the bottom plate 3 of the switch 2.

(Left / Right Tilt Mechanism 80)
The center of the left / right tilt mechanism 80 includes a left / right tilt shaft 81 with an axial center disposed in the vertical direction, and the upper end of the left / right tilt shaft 81 is fitted inside the lower end of the cylindrical column 67, While being fixed together with the spherical member 68, the lower end of the left / right tilting shaft 81 is connected to the upper end of the left / right moving member 82 so as to be tiltable in the left / right direction with respect to the left / right moving member 82 by the coupling pin 82a. On the other hand, a support tube 86 is fitted into a through hole provided at a front upper position of the boom holding plate 85 of the support frame 84, and the operation shaft 83 is rotatably fitted through the support tube 86. . The support tube 86 has a sufficient strength to withstand a large load with the operation shaft 83 inserted therein, and is attached to the support column 67 via a bearing holding portion 70 attached to the support tube 86. The tool 40 (the longitudinal movement mechanism part 51 and the turning movement mechanism part 61) is reliably supported.

  A male screw portion is formed on the outer peripheral surface of the intermediate portion in the left-right direction of the operation shaft 83, and an operation shaft insertion portion 82b having a through hole through which the operation shaft 83 is inserted is provided on the lower end side of the left-right moving member 82. An annular operation shaft gripping member 82c that is formed and is internally fitted in the through hole of the operation shaft insertion portion 82b, and has an internal thread portion that engages with the external thread portion of the operation shaft 83 on the inner peripheral surface. Is fixed by a locking screw 82d. A hexagonal hole-shaped engaging recess 83 a is formed on the end surface of the operation shaft 83 that protrudes laterally from the outer surface of the boom clamping plate 85.

  An operating handle is attached to the engaging recess 83a, and the operating shaft 83 is rotated forward / reversely to be guided to an operating shaft gripping member 82c that is screwed into the male thread portion of the operating shaft 83, thereby moving the left / right moving member 82. As a result, the left / right tilt shaft 81 pin-coupled to the left / right moving member 82 and the column 67 connected to the left / right tilt shaft 81 are tilted left / right around the spherical bearing 69. Will be. In the reference posture in which the support column 67 is positioned in the vertical direction and the support arm 52 is positioned in the horizontal direction, the left-right tilting mechanism unit 80 is perpendicular to the support arm 52 of the longitudinal movement mechanism unit 51 and includes the support column 67. Thus, the support column 67 can be tilted in the left-right direction, that is, the support arm 52 can be tilted in the left-right direction (β direction shown in FIG. 9) with respect to the horizontal plane. In the present embodiment, the tilt angle of the left / right tilt mechanism 80 (the tilt angle of the support arm 52 = the left / right angle of the drainage tool 10) is tilted by a maximum of 15 ° in the left-right direction with respect to the horizontal plane (direction). Is set to

  In actual water draining work, there are undulations and obstacles on the ground surface, and when the water draining tool 10 is brought close to the switch 2, the angle at which the boom 8 of the high-altitude work vehicle is raised is assumed. Even if the angle is set, the support frame 52 of the back-and-forth motion mechanism 51 cannot always be parallel (horizontal) to the bottom plate 3 of the switch 2, and the boom 8 is set to a predetermined angle, and this schedule is further set. In the state where the raising angle is raised, the vertical movement mechanism unit 46 is operated to bring the drainage tool 10 closer to the bottom plate 3 of the switch 2, and then the left / right tilting mechanism unit 80 is operated to The direction can be adjusted so as to be positioned in the vertical direction (the support arm 52 and the support frame 12 are thus positioned horizontally).

  As described above, the mounting tool 40 according to the embodiment of the present invention includes the angle adjusting mechanism 60 configured as described above, and thus operates the swing movement mechanism 61 to rotate in the vertical direction. The longitudinal movement mechanism 51 is turned around the shaft 62 to adjust the turning angle of the drainage tool 10, and the vertical tilting mechanism 66 is operated to tilt the support 67 arranged in the vertical direction in the forward and backward direction (front and back). The vertical movement angle of the drainage tool 10 is adjusted, and the vertical tilt mechanism 80 is operated to tilt the column 67 in the horizontal direction (the vertical movement mechanism 51 is moved in the horizontal direction). Tilting) to adjust the left and right corners of the drainage tool 10. As a result, the support frame 12 of the drainage tool 10 is parallel (horizontal) to the bottom plate 3 of the switch 2 and parallel to the longitudinal side plate of the switch 2 (perpendicular to the side plates 4 and 5). After the angle adjustment (positioning), the drainage tool 10 can be brought into contact with the switch 2 and can be clamped and fixed by the fixed contact portion 13 and the movable contact portion 14.

(Fixed to boom 8)
The support frame 84 has two boom clamping plates 85 arranged parallel to each other in the left-right direction and fixed with the bearing holding portion 70 and the boom contact plate 89 interposed therebetween, and has sufficient rigidity to support the attachment tool 40. The support column 67 is supported via the bearing holding portion 70 and the spherical bearing 69 held by the bearing holding portion 70, thereby supporting the mounting tool 40 (support arm base 54). ing. A support tube 86 is inserted into a through-hole provided at the front upper position of the boom clamping plate 85, and is attached to the operation shaft 83 of the left / right tilting mechanism portion 80 through which the support tube 86 is inserted, or the rear upper position. The mounting tool 40 (support arm base 54) can be freely tilted in three-dimensional directions (front-rear direction and left-right direction) via the support column 67 by rotating the operating shaft 78 of the vertical tilting mechanism 66. Can be made.

  A frame side plate 87 that covers the boom clamping plate 85 from the outside is attached to the upper position of the two boom clamping plates 85 via a connecting member 88 at an appropriate interval. The part 66 and the right and left tilt mechanism part 80 are protected.

  Further, a boom abutting plate 89 is bridged between the two boom clamping plates 85 at a front lower position to connect the boom clamping plates 85 to each other, thereby giving the support frame body 84 high rigidity. In addition, a through hole is provided at a position below the boom contact plate 89. The boom abutment plate 89 is brought into contact with the upper surface of the boom 8 of the vehicle for working at high places, the bolt 85a is inserted into the through hole, and the space between the two boom clamping plates 85 is tightened, thereby supporting the frame 84, As a result, the attachment tool 40 supported by the support frame 84 can be fixed to the boom 8. Note that the boom contact plate 89 is a representative angle (for example, 45 °) among the angles set as the expected cause angle of the boom 8 with respect to the axial direction of the support arm 52 of the longitudinal movement mechanism 51. And is attached between two boom clamping plates 85.

(Operation by transceiver)
As shown in FIG. 10, the water draining device 1 according to the present embodiment is connected to the water draining tool 10 with a cable (cable 92), and a receiver 90 that performs a water draining operation on the water draining tool 10. And a transmitter 91 that is wirelessly connected to the receiver 90 and instructs the receiver 90 to perform an operation of draining operation. The transmitter 91 is provided with an operation instruction switch 91a for instructing the forward / backward movement and the stop operation of the cutter unit 27 of the drainage tool 10 to be switchable. The motor 32 is set to rotate in conjunction with the forward / backward movement operation of the cutter unit 27 and to stop the rotation of the motor 32 in conjunction with the forward / backward movement stop operation of the cutter unit 27. Note that connection terminals are connected to both ends of the cable 92, and are connected to the transmitter 91 and the cable connection port 32e of the motor 32, respectively.

  The operation instruction switch 91a is operated from the transmitter 91 disposed on the ground to transmit an operation instruction for instructing the forward movement of the cutter unit 27 to the receiver 90, and the motor 90 of the water draining tool 10 is corrected by the receiver 90. By controlling the driving in the rotation direction, a drain hole is opened in the bottom plate 3 of the switch 2 and, after the drain hole is opened, the operation instruction switch 91a is operated from the transmitter 91 to operate the cutter unit 27. Is sent to the receiver 90, and the motor 90 of the water draining tool 10 is stopped by the receiver 90 and driven in the reverse rotation direction, whereby the cutter unit 27 is removed from the water drain hole. It is possible to carry out draining work by evacuating from

(How to drain the switch 2)
Below, the draining method (operation | work) of the switch 2 performed using the draining apparatus 1 comprised as mentioned above is demonstrated based on FIGS. FIG. 10A is a side view and FIG. 10B is a front view for explaining the situation of the draining operation performed using the switch draining device according to the embodiment of the present invention. Moreover, FIG. 11 is a flowchart which shows the procedure of the preparation adjustment work in the draining work of the switch using the draining apparatus for switches which concerns on embodiment of this invention, and FIG. 12 is the water in draining work. It is a flowchart which shows the procedure of the fixing operation | work of a punching apparatus, and a drilling operation | work. Furthermore, FIG. 13 is a front view seen from the front, and (b) seen from the left, for explaining the work situation when the turning angle is set to 0 ° in the draining work. FIG. 14 is a side view for explaining the work situation when the turning angle is set to 90 ° to the right, (a) is a front view seen from the front, and (b) is seen from the left. FIG. The work situation shown in FIG. 14 corresponds to the work situation shown in the perspective views of FIGS.

  The switch 2 to be drained is fixed to the upper arm portion of the support frame body 7 (D tube) having a substantially U-shaped side view attached to a height of about 6 to 7 m above the ground of the utility pole 6. . When the water draining device 1 attached to the boom 8 of the aerial work vehicle is approached from the ground to the aerial switch 2 to perform the water draining operation, due to the undulations on the ground surface and the presence of obstacles, 13 and 14, the position adjustment mechanism 45 and the angle adjustment mechanism 60 are operated so that the support frame 12 of the drainage tool 10 is parallel to the longitudinal side surface of the switch 2 (side surface 4, The drainage tool 10 is moved closer to the switch 2 and the side plates 4 and 5 of the switch 2 are held between the fixed contact portion 13 and the movable contact portion 14 to It is fixed to the switch 2.

  Specifically, in the state shown in FIG. 13, the turning angle of the turning mechanism 61 is set to 0 ° (the angle at which the longitudinal direction of the boom 8 and the axial direction of the support arm 52 are parallel). The gripping angle of the vertical drive shaft outer cylinder gripping portion 49 of the vertical movement mechanism portion 46 is set so that the rotational axis direction of the motor 32 of the drainage tool 10 is perpendicular to the axial direction of the water drainage tool 10. Further, in the state shown in FIG. 14, the turning angle of the turning mechanism 61 is set to 90 ° to the right (the angle at which the longitudinal direction of the boom 8 and the axial direction of the support arm 52 are perpendicular). The gripping angle of the vertical drive shaft outer cylinder gripping portion 49 of the vertical movement mechanism portion 46 is set so that the rotation axis direction of the motor 32 of the water draining tool 10 is parallel to the axial direction of the water removal tool 10.

  In this way, even if the boom 8 of the vehicle for working at high places is at a lower position just below the switch 2 (FIG. 13) or a lower position (FIG. 14) apart from the side, the boom 8 is connected to the switch 2. The water draining device 1 can be fixed to the switch 2 by being arranged parallel to the side surface in the longitudinal direction. Furthermore, when the boom 8 cannot be disposed parallel to the side surface in the longitudinal direction of the switch 2 and the drainage device 1 attached to the boom 8 is approached to the switch 2 from a lower position on the oblique side of the switch 2. Even so, by setting the holding angle of the vertical drive shaft outer cylinder gripping portion 49 of the vertical movement mechanism portion 46 and the turning angle of the turning motion mechanism portion 61 to an appropriate angle according to the work site, the support frame 12 can be used. Can be arranged parallel to the longitudinal side surface of the switch 2 to fix the drainage device 1 to the switch 2.

  Hereinafter, the procedure of the water draining operation will be described based on the flowcharts shown in FIGS.

(Adjusting the drainage tool)
First, in step S01, the full length in the longitudinal direction of the switch 2 (the length between the side plates 4 and 5 of the switch 2) is confirmed, and the movable contact portion 14 of the mounting portion 11 corresponds to the full length of the switch 2. Move to a predetermined position (position about 25 mm apart from the total length of the switch 2), rotate the fixing ring portion 15a to tighten the fixing screw shaft 15, and support the movable contact portion 14 as a pair. Fix to frames 12 and 12. At this time, the movable screw shaft 16 of the movable contact portion 14 is retracted from the side plate 5 of the switch 2 (between the fixed support shaft 14b and the end surface of the movable screw shaft end contact portion 16a on the fixed support shaft 14b side. In a state where a clearance of about 5 mm is provided. In addition, when the support frames 12 and 12 are short with respect to the full length of the switch 2 used as the object of draining work, it respond | corresponds by attaching the support frame for an extension.

  Further, the water receiving portion 20 is moved so that the cutter portion 27 of the cutting mechanism portion 25 is positioned at a desired position of the bottom plate 3 and the drain hole is opened by cutting corresponding to the entire length of the switch 2, The fixing ring portion 24a is rotated to lightly fasten the fixing screw shaft 24, and the water receiving portion 20 is positioned to be slidable on the pair of support frames 12 and 12.

  Next, the attachment angle of each of the pair of laser pointers 22 and 22 is operated to adjust the irradiation angle, and on the rotation axis of the cutter unit 27 and from the upper side of the water receiving container 21 to a predetermined dimension (this embodiment) In this embodiment, the laser light emitted from each laser pointer 22 is imaged as one light spot at a position separated by 250 mm. Note that the distance (predetermined dimension) from the upper side of the water receiving container 21 to the position where the laser beam forms an image as one light spot is the push-up stroke (this embodiment) by the vertical movement mechanism 46 of the water draining tool 10. In this case, the dimension is set within 300 mm).

(Connection and confirmation of hooks, hoses, cables, etc.)
Subsequently, in step S02, the hose 93 is attached to the drain port provided in the bottom plate 21c of the water receiving container 21, and one end of the cable 92 is connected to the cable connection port 32e of the motor 32, and the cable 90 is connected to the receiver 90. After connecting the other end, the operation instruction switch 91 a of the transmitter 91 is operated to adjust the upper surface of the cutter unit 27 to be positioned below the upper surface of the water receiving container 21.

(Mounting tool adjustment)
Next, in step S03, the tip of the operation handle 96 (a convex portion having a hexagonal cross section) is inserted into the engaging recess 50b formed on the lower end surface of the operation shaft 50 of the vertical movement mechanism 46, and the operation handle 96 is operated. Then, the vertical drive shaft 47 is moved downward and set so as to be positioned substantially at the lower end position. Further, the tip of another operation handle 96 is inserted into an engagement recess 83a formed on the end surface of the operation shaft 83 of the left / right tilt mechanism 80, and the operation handle 96 is operated to remove the drainage tool grip 41 (the forward / backward movement mechanism). Part 51) is adjusted so as to be positioned at an intermediate position in the left-right direction.

  Further, the tip of another operation handle 96 is inserted into an engagement recess 78a formed on the end surface of the operation shaft 78 of the vertical tilt mechanism 66, and the operation handle 96 is operated to set the vertical angle of the drainage tool 10 to the boom. Adjust the angle so that the expected angle is 8. In addition, the schedule raising angle of the boom 8 is set from several angles (30 °, 45 °, 50 °, etc.) according to the imaginary switch 2 to be operated. In the present embodiment, the attachment angle of the boom contact plate 89 is set to 45 °, and corresponding to the difference between the set scheduled cause angle and the attachment angle (45 °) of the boom contact plate 89, By adjusting the vertical angle of the drainage tool 10 by operating the vertical tilt mechanism 66 in advance, the drainage tool 10 is adjusted in parallel (horizontal) with the bottom plate 3 of the switch 2 after the boom 8 is raised. Can be simplified.

  Next, the distal end of another operation handle 96 is inserted into an engagement recess 57a formed on the lower end surface of the operation shaft 57 of the forward / backward movement mechanism 51, and the operation handle 96 is operated so that the intermediate portion of the support arm 52 is moved. Adjustment is made so that it is positioned substantially above the column 67. Further, after confirming the approaching direction of the boom 8 with respect to the suspended switch 2 to be worked, that is, the deviation angle of the drainage device gripping part 41 with respect to the support arm 52, the operation shaft 65 of the turning mechanism part 61 is confirmed. The tip of another operation handle 96 is inserted into the engagement recess 65a formed on the end surface of the head, and the operation handle 96 is operated to set the turning angle of the turning mechanism 61 to the support arm 52 of the draining device grip 41. Adjust the deviation angle.

(Attaching the installation tool to the boom of a high-altitude work vehicle)
Next, in step S04, it is fitted between the pair of boom clamping plates 85 of the mounting tool 40 (support frame 84) so as to straddle the boom 8 of the vehicle for working at high places, and the boom is brought into contact with the upper surface of the boom 8. After the plate 89 is brought into contact, the bolt 85a is inserted into the through hole formed in the boom clamping plate 85, and the nut is tightened to fix the mounting tool 40 to the boom 8.

(Attaching the drainage tool to the installation tool)
Next, in step S05, the rectangular tube portion 32d of the motor 32 of the drainage tool 10 is positioned and gripped on the drainage tool gripping portion 41 (between the upper gripping plate 42a and the lower gripping plate 42b) of the mounting tool 40. The plate driving shaft end ring portion 44a is rotated in the forward direction, and the upper gripping plate 42a is moved downward toward the lower gripping plate 42b to grip the drainage tool 10 between the upper gripping plate 42a and the lower gripping plate 42b. And fix.

  If it is determined from the situation around the work place that the drainage tool gripping portion 41 grips the square tube portion 32d of the motor 32, it is difficult to bring the drainage tool 10 close to the switch 2 and fix it. In some cases, cylindrical gripping adapters (not shown) are attached to the upper gripping plate 42a and the lower gripping plate 42b to grip the cylindrical portion of the motor 32 body.

(Cause of boom in high-altitude work vehicle)
Next, in step S06, after confirming that the mounting tool 40 and the drainage tool 10 are securely fixed to the boom 8 of the aerial work vehicle, the boom 8 of the aerial work vehicle is scheduled. Raise the boom to the angle.

(Horizontal adjustment of drainage tool)
Next, in step S07, hexagonal hole-shaped engaging recesses 65a, 78a provided on the end surfaces of the operation shafts 65, 78, 83 of the turning mechanism 61, the vertical tilting mechanism 66, and the left / right tilting mechanism 80, respectively. , 83a are engaged with the tip of the operation handle 96 (a convex portion having a hexagonal cross section), and each operation handle 96 is operated while checking the level placed on the lower surface of the bottom plate 21c of the water receiving container 21. Adjustment is made so that the drainage tool 10 is horizontal, that is, the rotational axis direction of the cutter unit 27 of the cutting mechanism unit 25 is positioned in the vertical direction.

  In addition, the hexagonal hole-shaped engaging recesses 50b and 57a provided on the end surfaces of the operation shafts 50 and 57 of the vertical movement mechanism unit 46 and the longitudinal movement mechanism unit 51 respectively have a flexible connecting portion in the intermediate portion in the axial direction. The tip of the operation handle 96 (a convex portion having a hexagonal cross section) is engaged so that the operation can be performed in a place where there is no problem in the angle adjustment work by the turning mechanism mechanism 61, the vertical tilt mechanism section 66, and the left and right tilt mechanism section 80. Keep it.

(Mounting tool to lower position of switch, height adjustment)
Next, in step S11, the laser pointers 22 and 22 are actuated to start laser light irradiation from the laser pointers 22 and 22 and move to a lower position close to the switch 2 to turn the turning mechanism 61 and the front and rear. Each operation handle 96 mounted on the moving mechanism 51 is operated to move the drainage tool 10 to a position directly below the switch 2. Further, the drainage tool 10 is rotated while being gripped using a remote control tool, and the axial direction of the support frame 12 of the drainage tool 10 is adjusted to be substantially parallel to the longitudinal direction of the switch 2. Further, the position of the laser light emitted from the laser pointers 22 and 22 is confirmed, and the water draining tool 10 (cutter part 27) is adjusted to be positioned almost directly below the position where the water drain hole is to be cut.

  Next, the boom 8 of the vehicle for working at high places is operated, and the distance from the upper side of the water receiving container 21 to the bottom plate 3 of the switch 2 is determined by the vertical movement mechanism unit at the position immediately below the switch 2 with the draining tool 10. It is made to approach to the position within 46 pushing strokes (300 mm in this embodiment). Further, the laser pointers 22 and 22 are gradually approached to a position where the spot of the laser light emitted from the laser pointers 22 and 22 becomes one light spot (in this embodiment, the distance to the bottom plate 3 of the switch 2 is 250 mm).

(Check the horizontal state)
Next, in step S12, the level placed on the lower surface of the bottom plate 21c of the water receiving container 21 is confirmed. If the horizontal state of the water draining tool 10 is obtained, the process proceeds to the next step S14 as it is. . When the horizontal state of the water draining tool 10 is not obtained, the process proceeds to step S13, and the angle adjustment by the angle adjustment mechanism unit 60 is performed.

  In step S13, the operation handle 96 mounted on the vertical tilt mechanism 66 and the left / right tilt mechanism 80 is operated so that the drainage tool 10 is horizontal, that is, the cutter 27 of the cutting mechanism 25 is moved. Adjust so that it is positioned vertically. In addition, when it is difficult to check with the level provided on the bottom plate 21c of the water receiving container 21, the level is checked with the level provided on the lower surface of the attachment tool 40 (lower gripping plate 42b). If the horizontal state of the water draining tool 10 is confirmed by this adjustment operation (step S12), the process proceeds to the next step 14.

(Height adjustment by vertical movement mechanism)
Next, in step S14, the operation handle 96 attached to the vertical movement mechanism unit 46 is operated to move the drainage tool 10 upward, and the operation handle 96 attached to the front-rear movement mechanism unit 51 is further operated. Thus, the drainage tool 10 is gradually moved upward while maintaining the state where the antenna 13d provided on the fixed contact portion 13 is in contact with the side plate 4 (front surface) of the switch 2.

(Confirmation of contact with the switch)
Next, in step S15, the markings on the display portions of the plurality of contact sensors 23 arranged on the upper side of the water receiving container 21 are confirmed, and it is detected that all the contact sensors 23 have contacted the bottom plate 3 of the switch 2. If so, the process proceeds to the next step 17. When it is not detected that some of the contact sensors 23 arranged in the water receiving container 10 are in contact with the bottom plate 3 of the switch 2, the process proceeds to step 16, and the vertical tilt mechanism 66. Further, each operation handle 96 mounted on the left / right tilt mechanism 80 is operated to readjust the drainage tool 10 to be parallel to the bottom plate 3 of the switch 2, and all the contact sensors 23 are switched to the switch 2. The bottom plate 3 is operated so as to come into contact. If it is detected by this adjustment operation that all the contact sensors 23 have contacted the bottom plate 3 of the switch 2 (step S15), the process proceeds to the next step 17.

(Fixing the drainage tool to the switch)
Next, in step S <b> 17, an angle spanner and a rotary jig with a hexagon socket are attached to the tip rotary portion of the remote control rod 95, a torque wrench is attached to the hand operation portion of the remote control rod 95, and the hexagon socket is attached to the drainage tool 10. Engage with the engaging column portion 16 b of the movable contact portion 14. Then, the torque wrench is turned in the tightening direction, the movable screw shaft end abutting portion 16a is brought into contact with the switch side plate 5 (rear surface), and further rotated until the torque wrench is idled, whereby the side plate 4 (front surface) of the switch 2 is turned. ) And the movable contact portion 14 (movable screw shaft end contact portion 16a) that is in contact with the side plate 5 (rear surface) of the switch 2. The switch 2 is clamped, and the drainage tool 10 (drainage device 1) is fixed to the switch 2.

  Further, a rotary jig with a hook is attached to the distal end rotating portion of another remote control rod 95, and an operation handle is attached to the hand operating portion, and the hook is engaged with the fixing ring portion 24a of the water receiving container 21. Then, the water handle 20 is fixed to the support frame 12 by rotating the operation handle and bringing the tip of the fixing screw shaft 24 into contact with the support frame 12. Thereby, it can prevent that the water receiving part 20 (namely, cutting mechanism part 25 containing the cutter part 27) moves from the drain hole cutting position of the baseplate 3 of the switch 2 in subsequent operation | work.

(Detach the water draining tool from the installation tool)
Next, in step S18, the gripping plate driving shaft end ring portion 44a of the drainage tool gripping portion 41 is engaged with the hook of the rotary jig with a hook of the remote control rod 95, and the gripping plate driving shaft end ring portion 44a is moved in the reverse direction. To release the state where the drainage tool 10 (motor 32) is gripped by the drainage tool gripping portion 41. Then, the drainage tool 10 is detached from the attachment tool 40 by operating the vertical movement mechanism 46, the longitudinal movement mechanism 51, the turning mechanism 61, the left / right tilt mechanism 80, and the like.

(Perform drilling)
Next, in step S19, after confirming that all the preparatory work has been completed, the transmitter 91 and the receiver 90 are turned on, and the operation instruction switch 91a of the transmitter 91 is turned ON to drain water. Started the bottom plate cutting work. Thereby, an operation instruction for starting a cutting operation is transmitted wirelessly from the transmitter 91 to the receiver 90, and further, an operation of rotating the motor 32 of the water draining tool 10 is executed by the receiver 90. A cutting operation is performed on the bottom plate 3. The receiver 90 is disposed at a position almost directly below the switch 2, but the transmitter 91 is disposed at a position away from the position directly below the switch 2 to ensure the safety of the operator in the draining operation. Will be.

  Then, when water flows out from the hose 93 connected to the water receiving container 21, it is determined that the cutting work for the bottom plate 3 of the switch 2 has been completed, and the operation instruction switch 91a of the transmitter 91 is turned OFF to perform cutting. End the work. Further, when water no longer flows out from the hose 93, it is determined that the water in the switch 2 has run out and draining is completed, and the transmitter 91 and the receiver 90 are turned off. . Finally, a series of draining operations is completed by attaching a closing plug to the drain hole opened in the bottom plate 3 of the switch 2.

  In addition, when water flows out from the hose 93 connected to the water receiving container 21, the operation instruction switch 91a of the transmitter 91 is turned OFF, and further, the operation instruction switch 91a is switched to the retracted ON, thereby draining water. The drainage speed of water from the hole can be increased to complete the draining operation earlier.

(Modification in the above embodiment)
In the above embodiment, the position adjustment mechanism 45 of the attachment tool 40 is configured to include the vertical movement mechanism 46 and the longitudinal movement mechanism 51, and the angle adjustment mechanism 60 of the attachment tool 40 is pivoted. The mechanism unit 61, the vertical tilt mechanism unit 66, and the left / right tilt mechanism unit 80 are configured. The position adjustment mechanism unit 45 and the angle adjustment mechanism unit 60 of the attachment tool 40 are configured as described above. It is not limited to being composed of the mechanism part 46, the longitudinal movement mechanism part 51, the turning mechanism part 61, the vertical tilting mechanism part 66, and the horizontal tilting mechanism part 80. Instead of or in addition, another mechanism part (for example, a left-right movement mechanism part that drives the drainage tool gripping part 41 in the left-right direction and adjusts the position in the left-right direction of the drainage tool 10, or a column 67 is provided. Drain water by tilting left and right The tool-holding portion 41 is tilted in the vertical direction, the vertical tilt mechanism for adjusting the vertical angle of the drain tool 10) may be provided. Further, the drive mechanism and tilt mechanism in each of the vertical movement mechanism section 46, the longitudinal movement mechanism section 51, the turning movement mechanism section 61, the vertical tilt mechanism section 66, and the left and right tilt mechanism section 80 are also shown in the embodiment. It is not limited to the mode of each mechanism part.

  In the above embodiment, two contact sensors 22 are arranged at diagonal positions on the upper surface of the water receiving container 21 side plate 21a. However, the number of contact sensors is not limited to two, but three The above may also be sufficient. When at least one contact sensor 23 is in contact with the bottom plate 3 of the switch 2, the contact state between the drainage tool 10 and the bottom plate 3 of the switch 2 can be confirmed. Furthermore, the parallelism of the drainage tool 10 with respect to the bottom plate 3 of the switch 2 can also be confirmed.

  In the above-described embodiment, the example in which the pushing member 34 protrudes from the distal end surface of the cutter portion 27 by the urging force of the urging spring material 35 has been described, but the present invention is not limited to this. For example, the pushing member 34 may be protruded by electric means such as a solenoid.

  The operation instruction switch 91a of the transmitter 91 shown in the above embodiment is for instructing the forward / backward movement and the stop of the cutter unit 27 of the drainage tool 10, but in addition to this, the cutter unit 27 An operation instruction switch for instructing the rotation speed of the (motor 32) may be provided. If it is instructed to change the rotational speed of the cutter unit 27 (motor 32) in the cutting process, the cutting opening operation of the drain hole can be performed more quickly.

  The present invention can be applied to a water draining device for a switch that can be used safely by remote control from the ground in order to exclude water from an imaginary switch that has entered water.

It is a perspective view for demonstrating the draining operation | work by the drainage apparatus for switches which concerns on embodiment of this invention. It is a perspective view for demonstrating the structure of the draining apparatus for switches which concerns on embodiment of this invention. It is a perspective view for demonstrating the structure of the drainage tool used for the drainage apparatus for switches which concerns on embodiment of this invention. It is a perspective view which notches and shows a part for demonstrating the structure of the cutting mechanism part of the draining tool of the draining device for switches which concerns on embodiment of this invention. It is sectional drawing for demonstrating the structure of the cutting mechanism part of the drainage tool of the drainage apparatus for switches which concerns on embodiment of this invention, and a water receiving part. It is a perspective view for demonstrating the structure of the attachment tool used for the draining device for switches which concerns on embodiment of this invention. It is side (vertical) sectional drawing for demonstrating the structure of the attachment tool used for the draining device for switches which concerns on embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS (a) is AA sectional drawing and (b) is BB sectional drawing for demonstrating the structure of the angle adjustment mechanism part of the attachment tool of the draining device for switches which concerns on embodiment of this invention. It is. It is a perspective view for demonstrating operation | movement of the angle adjustment mechanism part of the attachment tool of the draining device for switches which concerns on embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS (a) is a side view and (b) is a front view for demonstrating the condition of the draining operation | work performed using the draining apparatus for switches which concerns on embodiment of this invention. It is a flowchart which shows the procedure of the preparation adjustment operation | work in the draining operation | work of the switch using the draining device for switches which concerns on embodiment of this invention. It is a flowchart which shows the procedure of the fixing operation | work of the draining apparatus in the draining operation | work of the switch using the draining apparatus for switches which concerns on embodiment of this invention, and a drilling operation | work. BRIEF DESCRIPTION OF THE DRAWINGS (a) is the front view seen from the front for demonstrating the work condition when the turning angle is set to 0 degree in the draining operation | work performed using the draining device for switches concerning the embodiment of this invention. (B) is a side view seen from the left. (A) is a front view seen from the front for explaining the work situation when the turning angle is set to 90 ° to the right in the draining operation performed using the switch draining device according to the embodiment of the present invention. It is a figure and (b) is the side view seen from the left. It is a perspective view for demonstrating the structure of the conventional draining tool for switches. It is side surface sectional drawing for demonstrating the structure of the conventional draining tool for switches.

Explanation of symbols

1 Drainage device 2 Switch 3 Bottom plate 4 One side plate (front)
5 The other side plate (back)
8 Boom (undulation support part)
DESCRIPTION OF SYMBOLS 10 Drainage tool 11 Mounting part 12 Support frame 13 Fixed contact part (contact fixing tool)
14 Movable contact part (contact fixing tool)
20 Water receiving part 21 Water receiving container 22 Laser pointer (laser spot irradiation part)
23 Contact sensor 25 Cutting mechanism section 26 Rotating body 27 Cutter section 32 Motor 40 Mounting tool 41 Drainage tool gripping section 45 Position adjustment mechanism section 46 Vertical movement mechanism section 47 Vertical drive shaft 48 Vertical drive shaft outer cylinder 49 Vertical drive shaft outer cylinder Support portions 50, 57, 65, 78, 83 Operation shaft 51 Front / rear movement mechanism portion 52 Support arm 53 Front / rear drive shaft 54 Support arm base 55 Front / rear drive shaft operation portion 60 Angle adjustment mechanism portion 61 Swing motion mechanism portion 62 Swiveling shaft 63 Swiveling operation unit 66 Vertical tilting mechanism unit 67 Support column 68 Spherical member (bearing unit)
69 Spherical bearing (bearing part)
70 Bearing holding part (bearing part)
71 Post gripping portion 73 Longitudinal moving shaft 74 Vertical tilt operating portion 80 Left / right tilting mechanism portion 81 Left / right tilting shaft 82 Left / right moving member 84 Support frame body 85 Boom clamping plate 89 Boom contact plate 90 Receiver 91 Transmitter 95 Remote control rod

Claims (10)

A drainage tool that opens a drainage hole in the bottom plate of the suspended switch and removes water accumulated in the switch;
A gripping tool for gripping the draining tool, and an attachment tool for positioning it at a predetermined position below the bottom plate of the switch by approaching the suspended switch.
The mounting tool includes a position adjustment mechanism unit and an angle adjustment mechanism unit that adjust a position and an angle of the water draining tool gripped by the water draining tool gripping unit, and is used for height work where the mounting tool is mounted. The drainage tool brought close to the bottom of the switch by the operation of the undulation support portion of the vehicle is configured to be positioned at the predetermined position by the operation of the position adjustment mechanism and the angle adjustment mechanism.
The water draining tool can be fixed to the switch by holding the switch from the side by operating a remote control rod while being positioned at the predetermined position. A mounting part having a contact fixing tool, a cutting mechanism part for making a drain hole in the bottom plate of the switch by rotating the cutter part located at the upper end part while rotating, and supporting the cutting mechanism part And a water receiving part for receiving water flowing out of the drain hole,
further,
A pair of laser spot irradiating units disposed in the vicinity of the water receiving unit and capable of emitting laser light at a certain inclination angle toward the bottom plate of the switch;
A contact sensor disposed at the uppermost position of the water receiving portion;
A receiver connected to the drainage tool by wire, and performing a drainage operation on the drainage tool;
A transmitter wirelessly connected to the receiver and instructing the receiver to perform a water draining operation;
A water draining device for a switch, characterized by comprising: The position adjustment mechanism of the mounting tool includes a vertical movement mechanism that adjusts a vertical position of the drainage tool by vertically moving the drainage tool gripper that grips the drainage tool, and the drainage The switch draining device according to claim 1, further comprising a longitudinal movement mechanism that moves a tool gripping part back and forth to adjust a position in the longitudinal direction of the draining tool . The vertical movement mechanism section has an axial center in the vertical direction, an upper and lower drive shaft that holds the drainage tool gripping section at an upper end portion, covers the vertical drive shaft, and supports the vertical drive shaft so as to be movable up and down. A vertical driving shaft outer cylinder, a vertical driving shaft outer cylinder gripping part for gripping the vertical driving shaft outer cylinder in the vertical direction, and an operation shaft connected to the lower end of the vertical driving shaft outer cylinder,
The upper portion of the operation shaft is screwed into the lower portion of the vertical drive shaft, and the operation shaft is rotated to move the drainage tool gripping portion up and down to adjust the vertical position of the drainage tool. The drainage device for a switch according to claim 2 , wherein: The front-rear movement mechanism has an axial center in the front-rear direction, a support arm that supports the vertical drive shaft outer cylinder gripping part at a front end, and a front end connected to the vertical drive shaft outer cylinder gripping part, A front / rear drive shaft for driving the outer cylinder gripping portion in the front / rear direction, a support arm base for supporting the support arm so as to be movable back and forth, and a rear end of the front / rear drive shaft connected to the front / rear drive shaft And a front / rear drive shaft operating section for driving the front / rear drive shaft in the front / rear direction,
The vertical drive shaft outer cylinder gripping portion is moved back and forth by operating the front / rear drive shaft operating portion to rotate the front / rear drive shaft, thereby adjusting the position in the front / rear direction of the drainage tool. The drainage device for a switch according to claim 3 . The angle adjusting mechanism of the mounting tool includes a swivel mechanism that swivels the drainage tool gripper around a pivot axis arranged in the vertical direction and adjusts the swivel angle of the drainage tool, and a vertical direction. A vertical tilting mechanism part that tilts the drainage tool gripping part in the vertical direction by tilting a column that holds the turning mechanism part at the upper end in the front-rear direction and adjusts the vertical angle of the drainage tool; 5. A switch draining device according to claim 1, further comprising a left-right tilting mechanism that tilts the support column in a left-right direction to adjust a left-right angle of the draining tool. . The swivel moving mechanism unit has an axial center in the vertical direction, and supports a swivel shaft that supports a position adjustment mechanism unit that holds the drainage tool gripping unit at an upper end, and a lower end of the swivel shaft that can swivel, A turning operation unit for turning the turning shaft;
The turning angle of the draining tool is adjusted by turning the draining tool gripping part around the turning axis by operating the turning operation part and turning the turning axis. 5. The water draining device for a switch according to 5. The vertical tilting mechanism unit includes a column having an axial center arranged in the vertical direction and having an upper end connected to the turning shaft, a bearing unit that supports the column in a tiltable manner at the lower end of the column, and an intermediate portion of the column The strut gripping portion connected to the strut, the front end of the strut gripping portion connected to the strut gripping portion, the front / rear moving shaft for driving the strut gripping portion in the front / rear direction, and the rear portion of the front / rear motion shaft are retained. And a vertical tilt operation unit that drives the moving shaft in the front-rear direction,
By operating the up / down tilt operation unit to move the front / rear moving shaft back and forth, the support column is tilted in the front / rear direction around the bearing unit, and accordingly, the drainage tool gripping unit is moved in the up / down direction. The switch draining device according to claim 6 , wherein the drainage device is tilted to adjust a vertical angle of the draining tool . The left and right tilting mechanism portion has a vertical axis and a left and right tilting shaft whose upper end is connected to the column, a left and right moving member that is pin-coupled to the lower end of the left and right tilting shaft, and the left and right moving member An operating shaft that engages and drives the left-right moving member in the left-right direction,
By rotating the operating shaft and moving the left and right moving member left and right, the support column is tilted in the left and right direction around the bearing portion, and accordingly, the drainage tool gripping portion is tilted in the left and right direction. The drainage device for a switch according to claim 7, wherein left and right angles of the drainage tool are adjusted. A plurality of the contact sensors are arranged at the uppermost position of the water receiving portion, and when the plurality of contact sensors are brought into contact with the bottom plate of the switch, the draining tool and the switch are also brought into contact with the contact state. The drainage device for a switch according to any one of claims 1 to 8, wherein the parallelism with the bottom plate of the switch is confirmed . Using the drainage device for a switch according to any one of claims 1 to 9,
A mounting tool for the switch drainage device is attached to the undulation support portion of the vehicle for working at high places, and the undulation support portion is operated to place the drainage tool of the switch drainage device below the bottom plate of the suspended switch. And moving the position adjusting mechanism portion and the angle adjusting mechanism portion provided in the mounting tool to the predetermined position under the bottom plate of the switch,
A method for draining a switch, wherein a drain hole is formed in a bottom plate of the switch by the drain tool to remove water accumulated in the switch .

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