JPH0759129B2 - Winch device for underground power line construction - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winch device for underground power line construction, which is capable of pulling in a wire and feeding it out to another place.

[0002]

2. Description of the Related Art Conventionally, a winch device for pulling a wire rope in an underground or overhead power transmission line has a reel winder provided behind the winch, pulls the wire rope with the winch, and winds the wire rope with the reel winder. . And, in this wire rope pulling-in operation, a worker was operating the winch, operating the reel winder, monitoring the machine, and monitoring the recorder, by several workers. For these winch operations, the winch machine is exposed and used at the construction site.

[0003]

However, although the above-described conventional winch device can pull in the wire, it cannot feed the wire or the like from the reel winder to the other through the union. Furthermore, since the winch machine is exposed and used at the construction site as described above, there is a possibility that the noise will be loud and the residents will be inconvenienced.

Therefore, the present invention has been made in view of these points, and provides a winch device having a wire winding mechanism and a wire feeding mechanism and a low noise.
The above problem is to be solved.

[0005]

The present invention has the following configuration. That is, the claim 1
A winch machine consisting of a main winding drum and an auxiliary winding drum, each having a drive device for winding the wire, is provided, and an automatic butt-handling device that applies tension to the wire wound by this winch machine is provided. In a winch device provided with a reel winder for winding the wire, the main winding drum of the winch machine, an automatic tail picking device, and a drive device for the reel winder are each provided with a clutch and the reel winder is provided with a brake. The winch machine is provided with a pay-out roller that gives a pulling force to the wire in the pay-out direction, and a pressing roller that faces the pay-out roller and presses the wire against the pay-out roller is provided. Place the wire wrapped around the drum in place A winch device for underground power transmission line construction, in which a comb-shaped wire separator guide for guiding to each other is provided between these, and further holding rollers are provided on the outer circumference of the main winding drum, the auxiliary winding drum, and the rollers of the automatic tail picking device. And

The second aspect of the present invention is the above-mentioned first aspect.
In the winch device of the paragraph, in the front of the winch machine, a wire guide for introducing a wire into the main winding drum of the winch machine is provided, and the wire guide has both ends of a cylinder of a size through which the wire passes, It is rotatably supported about a shaft, and is supported substantially horizontally. A notch is formed by axially piercing one side of the outer periphery of the center of the cylinder, and a bearing is projected from the notch to the outside of the cylinder. A main roller having an upper end free in the cylinder is supported on the shaft provided between the bearings of, and an appropriate number of guide rollers are provided diagonally below the wire guide roller at right angles to the roller. A winch device for underground power line construction.

According to a third aspect of the present invention, in the winch device according to the first or second aspect, an inner box in which an engine and a hydraulic pump unit, which are driving sources of various machines of the winch device, are made of a sound absorbing material or a sound insulating material. Put inside, open windows on the front and rear walls of this inner box, and arrange the winch reducer and hydraulic motor unit linked to the above engine etc. on the outer side of the inner box facing the window on the front wall of this inner box. An engine fan is provided at the rear of the engine in the inner box, and a window provided on the rear wall of the inner box at the rear of the engine is used as a wind tunnel with sound absorbing material, and the winch device is entirely made up of a sound absorbing material or a sound insulating material. A winch device for underground power transmission line construction covered with an outer box lined with.

[0008]

According to the first aspect of the present invention, in the case of the work of pulling out by the other winch of the self wire, the respective clutches are opened, the wire of the other winch is tied to the tip of the self wire, and the wire is pulled by the other winch. I will be issued. In that case, the brake provided on the reel winder can be applied to prevent the reel winder from idling.

Further, in the case of the feeding operation by the self winch of the self wire, the clutch of the reel winder and the automatic tail picking device is released, and the main winding drum of the winch machine is rotated in the feeding direction. Further, the wire is sandwiched between the pressing roller and the feeding roller, and the feeding roller is rotated faster than the rotation of the main winding drum. As a result, the wire is unwound, and even at that time, by applying the brake of the reel winder, the wire in front of the unwinding roller is also tensioned. Further, the wire is guided by the comb-shaped wire separator guide between the main winding drum and the auxiliary winding drum, and is held at a predetermined position.

Further, in the case of the work of applying a load to the tip of the wire and pulling it in, the clutches are connected and the main winding drum of the winch machine is rotated in the winding direction. The roller is pushed over, and the roller is wound around the main winding drum and the auxiliary winding drum of the winch machine without making contact with the feeding roller. Since both the main winding drum and the auxiliary winding drum have drive sources, both normal winding and crossing are possible. In addition, the automatic tail handling device applies a constant and continuous tail force to the main winding drum.

According to the second aspect of the invention, in addition to the above-mentioned action, the position of drawing the wire introduced into the winch machine is not always at the position facing the wire guide.
It may shift to the left or right, but even if it shifts, the wire is hooked on the guide roller closest to the wire introduction direction,
Then it can be introduced through a wire guide. In that case, even at the position where the wire guide and the guide roller are displaced to the left and right, the main roller of the wire guide rotates and tilts in the drawing direction of the wire.

According to the third aspect of the invention, in addition to the above-mentioned action, the wind direction inside and outside the inner box is directed from the front to the rear of the inner box by the rotation of the engine fan, and the winch speed reducer and the hydraulic motor unit which are noise sources. The noise of the engine and the like is picked up by the wind, carried to the rear, and is absorbed by the sound absorbing material provided at the periphery of the wind tunnel when passing through the wind tunnel provided on the rear wall of the inner box. Further, since the entire apparatus is covered with a wind tunnel-shaped outer box and the inner circumference of the outer box is also covered with a sound absorbing material, the wind direction is prevented from being disturbed by the outside air.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram of an apparatus used for a winch work method for underground power transmission line construction according to the present invention.
A winch machine 2 for hoisting or rewinding is provided with a drive source 3 such as a motor, and the winch machine 2 further includes a machine temperature detector 4, a speed detector 5 and a tension detector 6. It is provided. The information detected by the machine temperature detector 4, the speed detector 5 and the tension detector 6 is A. It is input to the computer 8 via the D converter, the counter, and the controller 7. This A. The D converter, the counter, and the controller 7 are level converters capable of connecting the above various sensors and the computer 8, level converters of various control devices of the winch device and the computer, and level converters of the winch device. The analog voltage level converter of measuring instruments (tension, speed, strip length) and the emergency stop and winch speed control circuit
Serves as a level converter for connecting to / O.

Work menu software for winch work is prepared in advance in the computer 8, and the operator selects a menu suitable for the work on the display 9,
The input device 10 inputs an input button determined according to the inquiry on the screen. The command input here is A.
It is issued as an operation command to each part of the winch machine 1 through the D converter, the counter, the controller 7, and the relay board 11, and a part of the operation command causes the motor of the drive source 3 to rotate normally, reversely, and stop. Performs motion operations such as changes in rotational speed. The operation status of the winch machine 1 and the like is photographed by the TV camera 12, and the operation status is displayed on the monitor TV 13, and the pilot operates while watching this.

2 to 7 show a concrete example of the winch device of the present invention. In this embodiment, the loading platform 15 of the truck 14 is used.
A wire guide 16 is provided at the rear end, that is, the front end of the apparatus, and the winch machine 2 is mounted behind this wire guide 16. The winch machine 2 is provided with a main winding drum 17 and an auxiliary winding drum 18. An automatic tail picking device 19 is provided above the auxiliary winding drum 18.

A take-up drum 20 which is a reel winder is placed behind the winch machine 2 (that is, in front of the loading platform 15), and the take-up drum 2 is further installed.
At 0, a traverser 21, a winding drum driving device 22 and an inertia brake 23 are provided. A winch speed reducer and a hydraulic motor unit 24 are provided laterally of the winch machine 2.

Inside the winch speed reducer and hydraulic motor unit 24 (that is, in front of the cargo bed 15) is provided an inner box 25 lined with a sound absorbing material and a sound insulating material. A pump unit 26 and an engine fan 27 are provided, and the engine fan 2
The window provided on the side wall of the inner box 25 facing 7 has a wind tunnel 28 whose periphery is covered with a sound absorbing material, and the window is provided on the side wall of the inner box 25 facing the winch speed reducer and the hydraulic motor unit 24. I'm wearing 29. Furthermore, this track 14
An outer box 30 covered with the above-mentioned device and having a sound absorbing material lined therein is provided on the carrier 15. Appropriate windows (not shown) are provided on the front and rear walls of the outer box 30.

The main winding drum 17, the automatic tail picking device 19, the winding drum driving device 22 and the traverser 21.
Each of them is provided with a clutch (not shown). Further, the main winding drum 17 is provided with a main winding drum pressing roller 31, the auxiliary winding drum 18 is provided with an auxiliary winding pressing roller 32, and the automatic tail picking device 19 is provided with a rope disengagement pin 33 to prevent disengagement of the wire rope. . In addition, between the main winding drum 17 and the auxiliary winding drum 18, as shown in FIG.
As shown in, the wire separator guide 34 is fixed. The wire separator guide 34 is formed by hanging a large number of comb-shaped rods 34a from opposite sides of a quadrilateral frame. The wire separator guide 34 is provided between the wire ropes wound around the main winding drum 17 and the auxiliary winding drum 18. Each rod 34a intervenes and holds the wire rope at a predetermined position.

A feeding roller 35 interlocking with the main winding drum 17 is provided between the main winding drum 17 and the wire guide 16. This feeding roller 3
5 is at a position slightly deviated from the straight line when the wire rope is tightened and hung between the main winding drum 17 and the wire guide 16, and the rotation of the feeding roller 35 is faster than the rotation of the main winding drum 17. It is designed to rotate.

A pressing roller 36 is provided so as to face the feeding roller 35, and the pressing roller 36 is always urged by a spring so as to be close to the feeding roller 35. When tension is applied to the wire rope stretched between the main winding drum 17 and the wire guide 16, the pressing roller 36 is pushed out against the force of the spring by the feeding roller 35.
Move to the opposite side and feed the wire rope to the roller 3
5 is not hit, and the wire rope is sandwiched between the feeding roller 35 and the pressing roller 36 when no tension is applied.

The wire guide 16 is, as shown in FIGS. 5 and 7, a cylindrical body 3 sized to allow the wire rope to pass therethrough.
Both ends of 7 are horizontally supported by a cylindrical bearing 38 so as to be rotatable around the axis of the tubular body 37, and a notch 39 is provided by axially piercing one side of the outer periphery of the central portion of the tubular body 37. , This notch 3
Bearings 40 project from the both sides of the cylindrical body 37 to the outside of the cylindrical body 37, and a main roller 42 having an upper end loosely inserted in the cylindrical body 37 is supported by a shaft 41 between the bearings 40. There is.
Therefore, the main roller 42 is rotatable with respect to the tubular bearings 38 at both ends of the tubular body 37. Further, an auxiliary guide roller 43 is pivotally supported at one end of the wire guide 16 facing the feeding roller 35. Further, two guide rollers 44, each of which is perpendicular to the main roller 42, are rotatably provided on the left and right diagonally below one end of the main roller 42 opposite to the auxiliary guide roller 43.

When the winch device of this embodiment is used to pull out the self-wire rope 45 and other winches, the main winding drum 17 and the automatic tail picking device 1 are used.
9. The clutches of the winding drum drive device 22 and the traverser 21 are released, the wire rope of another winch is tied to the tip of the self wire rope 45, and the wire rope is pulled by the other winch. As a result, the wire rope 45 wound around the winding drum 20 passes through the traverser 21, the automatic tail picking device 19, the auxiliary winding drum 18, and the main winding drum 17 from the wire guide 16 to the wire rope 45.
Is pulled out. In that case, the inertia brake 23 provided on the winding drum 20 can be applied to prevent the winding drum 20 from idling.

Further, in the case of the feeding operation by the self winch of the self wire rope 45, the respective clutches of the winding drum drive device 22, the traverser 21 and the automatic tail picking device 21 are released, and the main winding drum 17 of the winch machine 2 is in the feeding direction. Rotate to. Further, the wire rope 45 is sandwiched between the pressing roller 36 and the feeding roller 35, and the feeding roller 35 is faster than the rotation of the main winding drum 17.
To rotate. As a result, the wire rope 45 is fed out of the wire guide, and at that time also, the winding drum 2
By applying the inertia brake 23 of 0, the wire rope 45 before the feeding roller 35 is also tensioned. Further, the wire rope 45 is guided by the comb-shaped wire separator guide 34 between the main winding drum and the auxiliary winding drum, and is held at a predetermined position.

Further pulled out wire rope 4
In the case of the work of applying a load to the tip of No. 5 and pulling it in, the above-mentioned clutches are connected and the main winding drum 17
When the wire rope 45 is rotated in the winding direction, a load is applied to the wire rope 45, the wire rope 45 is tensioned and pushes the pressing roller 36, and the main winding drum 17 and the auxiliary winding drum of the winch machine 2 do not come into contact with the feeding roller 35. Get caught in 18. Since both the main winding drum 17 and the auxiliary winding drum 18 have drive sources, both normal winding and crossing are possible.

The wire rope 45 extending from the main winding drum 17 and the auxiliary winding drum 18 passes through the traverser 21 via the automatic tail picking device 19 and is wound on the winding drum 20. At this time, the automatic tail handling device 20 applies a constant and continuous tail force to the main winding drum 17. In the past, the take-up drum 20 also served as a tail take-up function, but a proper hand-take-up force is required to prevent slippage of the main take-up drum 17, and as the take-up distance increases, A large rotating torque is required in advance because the diameter increases and the hand strength decreases. As a negative effect, extra horsepower was applied, two were damage due to depression and digging of the wire rope, and the third was the need for accurate traverse work. However, these problems are solved by the automatic hand picking device 19.

In any case, the wire rope 45 is led out or introduced through the wire guide 16, but when the wire rope is paid out from the winch device, the wire rope passed through the main winding drum 17 or the payout roller 35. 45 is hung on the auxiliary guide roller 43 of the wire guide 16 and passed through the inside of the cylindrical body 37.
7 to the main roller 42 in this
The guide roller 44 is pulled out from below, and an appropriate guide roller 44 close to the position of the drawing-in place such as a manhole is selected, and a wire rope 45 is hung on the guide roller 44 and pulled out. At that time, since the main roller 42 of the wire guide 16 is of a swing type, it is pulled in the tension direction of the wire rope 45 to rotate, and the wire rope 45 is prevented from coming off.

[0027]

According to the invention of claim 1, in the conventional winch device, the wire or the like cannot be fed from the reel winder through the winch to the other, but according to the present invention, the self-wire is pulled out by another winch. You can perform work, feeding out your own wire with your own winch, wire drawing work, etc. at that time to prevent deviation from the groove of each drum due to brake of take-up drum, automatic hand picking device, wire separator guide, wire laugh Since it is equipped with a device, etc., it can be performed reliably without the wire becoming loose and entangled.

Further, generally, the wire pull-in position is not always on the vertical line of the wire guide, and there are cases where the wire pull-in position deviates to the left and right. However, according to the invention of claim 2, in addition to the effect of the invention of claim 1, the wire is first hung on the guide roller closest to the drawing-in position of the wire, and then passed through another guide roller or the like. It can be pulled into the main roller of the wire guide,
Moreover, since the main roller is of a swing type that rotates in accordance with the tension direction of the wire, the main roller is securely held without being disengaged at the position where the wire is introduced into or extracted from the winch device. Therefore, it is possible to give a degree of freedom to the angle at which the wire is drawn into the winch device.

Further, according to the invention of claim 3, in addition to the effect of the invention of claim 1 or 2, there is provided an engine, a hydraulic pump or the like as a drive source in an inner box lined with a sound absorbing material, Since a wind tunnel is installed on the leeward side, and the entire device is covered with an outer case lined with sound absorbing material, noise is absorbed, and the influence of noise on the outside can be made extremely small, deteriorating the environment to surrounding residents. Can be prevented.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a winch working method of the present invention.

FIG. 2 is a plan view of a winch device according to the present invention.

FIG. 3 is a front view of a winch device of the present invention.

FIG. 4 is a side view of the winch device of the present invention.

FIG. 5 is a front view of a main portion of a winch device according to the present invention.

FIG. 6 is a perspective view of a wire separator guide portion of the winch device of the present invention.

FIG. 7 is an enlarged sectional front view of the wire guide of the winch device of the present invention.

[Explanation of symbols]

 1 load 2 winch machine 3 drive source 4 machine temperature detector 5 speed detector 6 tension detector 7 A. D converter and counter, controller 8 Computer 9 Display 10 Input device 16 Wire guide 17 Main winding drum 18 Auxiliary winding drum 19 Automatic hand picking device 20 Winding drum 22 Winding drum drive device 23 Inertia brake 24 Winch reducer and hydraulic motor Unit 25 Inner Box 26 Engine and Hydraulic Pump Unit 27 Engine Fan 28 Wind Tunnel 30 Outer Box 34 Wire Separator Guide 35 Feeding Roller 36 Holding Roller 37 Cylindrical Body 38 Cylindrical Bearing 39 Notch 40 Bearing 42 Roller 44 Guide Roller 45 Wire Rope

Claims (3)

[Claims] 1. A winch machine comprising a main winding drum and an auxiliary winding drum each having a drive device for winding the wire, and an automatic tail picking device for applying tension to the wire wound by the winch machine. In a winch device provided with a reel winder for winding the wire taken out from the tail picking device, a clutch is provided in each of the main winding drum of the winch machine, the automatic hand picking device and the drive device of the reel winder, and this reel winder A brake is provided, and the winch machine is provided with a feeding roller that gives a pulling force to the wire in the feeding direction, and a pressing roller that faces the feeding roller and presses the wire against the feeding roller is provided.
Further, a comb-type wire separator guide for guiding the wire wound around the main winding drum and the auxiliary winding drum of this winch machine to a predetermined position is provided between these, and a winch for underground power transmission line construction is provided. apparatus. 2. A wire guide for introducing a wire into a main winding drum of the winch machine is provided in front of the winch machine, and the wire guide has both ends of a cylinder of a size through which the wire passes. Is rotatably supported substantially horizontally, and a notch is formed by axially piercing one side of the outer periphery of the central part of the cylindrical body, and a bearing is projected from the notch to the outside of the cylindrical body. A main roller having an upper end loosely inserted in the cylinder is supported on the shaft between the bearings, and an appropriate number of guide rollers are provided diagonally below the roller of the wire guide at right angles to the roller. The winch device for underground power transmission line construction according to claim 1, characterized in that. 3. An engine and a hydraulic pump unit, which are drive sources of various machines of the winch device, are placed in an inner box made of a sound absorbing material or a sound insulating material, and windows are opened in front and rear walls of the inner box, and the front of the inner box is opened. A winch speed reducer and a hydraulic motor unit that interlock with the engine and the like are arranged on the outside of the inner box facing the window of the wall, and an engine fan is provided behind the engine in the inner box. The wind tunnel provided with a sound absorbing material is provided at the periphery of the window provided on the rear wall, and the entire winch device is covered with an outer box lined with a sound absorbing material or a sound insulating material. A winch device for underground power transmission line construction according to the item.