JP2968627B2 - Cleaning gondola - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for cleaning the outer walls of buildings and the like and for cleaning windowpanes and the like. About gondola.

[0002]

2. Description of the Related Art Conventionally, a cleaning gondola regulated by law is a gondola support arm protruding outward from the roof of a building or the like.
The end of a rope of an electric winch installed on a gondola body on which a person can ride is attached to the system, and the gondola main body is moved up and down by operation of the electric winch.

[0003]

The conventional cleaning gondola has a drawback that when the rope for moving the gondola body up and down is cut, the gondola body falls to the ground and a fatal accident occurs.

[0004] In order to solve this drawback, it has been considered to use an auxiliary rope attached thereto, but it is necessary to loosen or bind the auxiliary rope when the gondola body moves up and down, which is troublesome. And had the drawback of not working when needed.

[0005] In view of the above-mentioned conventional disadvantages, the present invention has
There is no need to perform any operations when moving the gondola up and down, and the auxiliary rope is quickly and automatically locked when the rope is cut, preventing the gondola from crashing to the ground. It is an object of the present invention to provide a cleaning gondola that can be used safely.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a gondola body on which a person can ride to clean window glass and the like of a building such as a building; At least a pair of gondola support arms attached so as to protrude outward at portions near both ends of the roof, and a T-shaped hanging bracket rotatably attached to an upper part of the gondola body; The pair of gondola support arcs
A gondola body moving to suspend the gondola body vertically and horizontally by extending and contracting a pair of ropes respectively hung from the parts near the tip of the system and attached to the parts near both ends of the hanging bracket. A device, a pair of auxiliary rope guide cases formed with auxiliary rope guide passages fixed to both side surfaces of the gondola main body, and a roof portion of a building such as the gondola support arm or the building. A pair of auxiliary ropes which are respectively fixed, pass through the auxiliary rope guide passages of the pair of auxiliary rope guide cases, and are suspended from the ground, and the pair of auxiliary ropes And a pair of auxiliary ropes, which are respectively mounted in the lock guide case, and in the event of an emergency when one of the pair of ropes is cut.
Auxiliary rope passing through the pair of auxiliary rope guide passages
A lock device having a lock lever for automatically pressing and locking the auxiliary loop guide passage by the lock, and a lock lever of the lock device which is always operated by the auxiliary loop.
One end of the lock device is biased in a lock release direction in which the lock device can be automatically moved to release the biased state in an emergency when one of the pair of ropes is cut. And a lock release holding device using a holding wire whose other end is attached to a portion near both ends of the hanging bracket, and constitutes a cleaning gondola.

[0007]

In the cleaning gondola constructed as described above, the auxiliary rope is normally passed smoothly through the auxiliary rope guide passage of the auxiliary rope guide case by the lock release holding device. Can be. When the rope is cut, the biased state of the lock release holding device is automatically released by the rotation of the hanging bracket, and the lock device is operated to move the auxiliary rope to the lock lever by the movement of the auxiliary rope. Is rotated, and the auxiliary rope is fixed by pressing against the auxiliary rope guide passage.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 8, reference numerals 1 and 1 denote portions near the both ends of the roof of a building 2 such as a building, or portions separated from each other by 5 to 6 meters, for example. A pair of gondola support arms having an inverted L-shape whose distal ends attached to the frame 3 protrude outward, and a lower end of a column 1a serving as a base of the pair of gondola support arms 1 and 1 is provided. As shown in FIGS. 2 and 3, the fixing member 5 fixed to the reinforcing bar 4 of the rooftop frame 3 is inserted into a support portion 6 having an insertion hole formed therein, and is detachably attached by bolts 7 and nuts 8. ing.

Reference numeral 9 denotes a single-seater gondola main body. The gondola main body 9 is composed of four pillars 10, 10, 10, and 10, as shown in FIGS.
In the lower part of the pillars 10, 10, 10, 10 of the book,
A seat plate 11 on which a back plate 11a for fixing the four columns 10, 10, 10, 10 and forming a seat is integrally formed, and both sides of upper portions of the four columns 10, 10, 10, 10 Upper fixing bars 12 and 12 for fixing the space between the parts, a mountain-shaped support arm 13 having both ends fixed to substantially the center of the upper fixing bars 12 and 12, and sitting on the seat plate 11. A safety device provided with a locking member 15 that is attached to one of the front columns 10 and 10 that prevents the worker from falling off, and that can be detachably locked to a locking piece 14 that is attached to the other column 10. And a belt 16.

Reference numeral 17 denotes a support arm 1 for the gondola body 9.
3 is a T-shaped hanging bracket rotatably supported by a pivot pin 18 at a substantially central portion. The hanging bracket 17 has a T-shaped hanging hole 18a formed at a lower portion thereof. A hanging bracket main body 19, a stopper piece 20 formed by bending the upper surface of the hanging bracket main body 19 at a substantially right angle, and a pivot pin 2 at a position near both ends of the hanging bracket main body 19.
1 and 21 are provided, and are rotatably supported by the stopper pieces 20.

Reference numeral 23 denotes a gondola main body moving device for moving the gondola main body 9 vertically and horizontally. As shown in FIGS. 1 to 3, the gondola main body moving device 23 includes the pair of gondola supporting arms 1, 1 and 2. A pair of electric winches 24, 24 operated by a radio control or a remote controller fixed on the roof near the base portion of the vehicle, and a guide at a tip portion of the pair of gondola support arms 1, 1 near the tip portion. The lowering of the hanging bracket 17 through the members 25, 25
A pair of ropes 26, 26 respectively wound around the pair of electric winches 24, 24 attached to the distal ends of the support brackets 22, 22, and the pair of electric winches attached to the gondola body 9. Operation panels 24, 24 are provided with operation levers 27, 27 for operating the 24, 24 with a radio control or a remote control.

Reference numerals 29, 29 denote a pair of cylindrical auxiliary rope guide cases fixed to both side surfaces of the gondola body 9 as side plates as shown in FIGS. The auxiliary rope guide case 29 has a connecting portion at a position near the lower portion of the auxiliary rope guide case 29, the crank-shaped auxiliary rope having inclined surfaces 30a, 30a.
Guide paths 30, 30 are formed.

Reference numerals 31 and 31 denote a pair of gondola support arms.
One end is attached to the distal end of each of the pair of auxiliary rope guide cases 29, 29, and the other end is positioned on the ground through the auxiliary rope guide passages 30, 30 of the pair of auxiliary rope guide cases 29, 29. Weights 32, 32 for preventing the auxiliary ropes 31, 31 from being loosened are attached to the lower ends of the pair of auxiliary ropes 31, 31, respectively.

Reference numerals 33, 33 denote an emergency when one of the pair of ropes 26, 26 of the gondola body moving device 23 attached to the pair of auxiliary rope guide cases 29, 29 is cut off. A lock device for locking a pair of auxiliary ropes. The lock devices 33, 33 are provided on the inclined surface 3 of the auxiliary rope guide passage 30 as shown in FIGS.
A lock lever 35 whose upper part is pivotally attached to the auxiliary rope guide case 29 by a pivot pin 34, and an auxiliary rope formed at the upper end of the lock lever 35 Guide member 36 and the lock lever 3
A lock piece 37 for pressing and locking an auxiliary rope 31 formed at the lower end of the lock member 5 against the auxiliary rope guide passage 30, and the auxiliary rope guide cable for stopping the lock lever 35 at a predetermined position. A stopper piece 38 fixed to the
An urging mechanism 42 comprising a pressing member 39 for urging the lock lever 35 in the lock direction at all times, an urging spring 40 and a case body 41, and the auxiliary lock attached to the tip of the lock lever 35. -Long hole 2 of the guide case 29
9a, and an emergency operation piece 43 protruding outward through the base 9a.

The reference numerals 44, 44 are used to always keep the lock levers 35, 35 of the lock devices 33, 33 at the auxiliary ropes 31, 3, respectively.
1 is a lock release holding device that urges in a lock release direction in which it can move smoothly and automatically releases the urged state in an emergency when one of the pair of ropes 26 is cut off. One end of each of the lock release holding devices 44, 44 is attached to a portion of the lock lever 35 near the free end on the lock side, and the other ends are guides 45, 45 and the pivot pin 18 respectively.
A rope supporting bracket 22 of the hanging bracket 17 through
22 is formed by holding wires 46, 46 attached to the end of the end 22. In a normal state, the holding wires 46, 46 are in a state where the lock lever 35 is pulled so as to abut against the stopper piece 38. I have.

In the cleaning gondola 47 having the above-described structure, the length of the ropes 26, 26 is expanded and contracted by operating the operation levers 27, 27 of the operation panels 28, 28 to operate the pair of electric winches 24, 24. By doing so, the gondola main body 9 can be moved in the vertical direction and in the direction of operation between the gondola support arms 1 and 1.

At this time, the lock levers 35, 35 of the lock devices 33, 33 are in contact with the stopper pieces 38, 38 by the lock release holding devices 44, 44 as shown in FIG. The ropes 31 smoothly move through the auxiliary rope guide passages 30 according to the vertical and horizontal movements of the gondola body 9.

When one of the ropes 26, 26 for moving the gondola body 9 in the vertical and horizontal directions is cut, the cut ropes 26, 26 are attached.
The support brackets 22 and 22 have their own weights and locking devices 33 and 3
3 by the urging force of the urging springs 40, 40, as shown by the imaginary line in FIG.
As shown in FIG. 8, the holding wires 46, 46 are loosened and the lock levers 35, 35 are biased by the biasing springs 40, 4.
Rotation is performed by the urging force of 0, and the lock pieces 37 press the auxiliary ropes 31 against the auxiliary rope guide passages 30 to lock. At this time, the lock levers 35, 35 are also rotated in the locking direction even when the auxiliary ropes 31, 31 pass through the auxiliary rope guide passages 30, 30, so that the auxiliary ropes 31, 31 are securely locked. Can be.

Auxiliary ropes 31, 31 are locking devices 33,
When locked by 33, the operating pieces 43, 43 are manually operated to loosen the auxiliary ropes 31, 31 while rotating the lock levers 35, 35 in the unlocking direction, and the gondola main body 9 is gradually lowered. Escape to the ground.

[0021]

Next, different embodiments of the present invention shown in FIGS. 9 to 30 will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and redundant description will be omitted.

The main difference between the second embodiment of the present invention shown in FIGS. 9 to 11 and the first embodiment of the present invention resides in that the hanging bracket 17 is provided with the rope supporting brackets 22, 22. -Spring 26 to be collected and stored when cutting 26, 26
Lock release holding devices 44A, 44A with attached 8, 48
The same operation and effect can be obtained in the cleaning gondola 47A using the lock release holding devices 44A, 44A configured as described above. In this embodiment, a lock device without an urging mechanism can be used.

The third embodiment of the present invention shown in FIGS. 12 to 14 is different from the first embodiment of the present invention mainly in that the tip of the rope supporting brackets 22, 22 of the hanging bracket 17 is different. Lock lever directly without the part and pivot pin 18
Attach the holding wires 46, 46 to the 35, 35, and attach the springs 49, 49 to the holding wires 46, 46.
The lock release holding device 44B thus configured in that the lock release holding devices 44B, 44B
B, cleaning gondola 47B using 44B,
The same operation and effect as those of the first embodiment of the present invention can be obtained.

The fourth embodiment of the present invention shown in FIGS. 15 to 17 is mainly different from the first embodiment of the present invention in that the auxiliary rope 31 is formed by one and the auxiliary rope 31 is formed. Weight 32A having pulleys 50, 50 at the lower end of rope 31
The cleaning gondola 47 configured as described above
By setting C, it is possible to more reliably prevent the auxiliary rope 31 from getting entangled when moving in the vertical and horizontal directions.

The fifth embodiment of the present invention shown in FIGS. 18 to 20 is mainly different from the first embodiment of the present invention in that a bogie 52 having wheels 51, 51, 51, 51 is built. And the like, the point that a gondola support arm 1 is installed on the carriage 52 and one rope 2
The first embodiment of the present invention can be realized even if the cleaning gondola 47D is configured as described above in that the gondola body moving device 23A using the horn 6 and the lock device 33 using one auxiliary rope 31 are used. The same operation and effect as the example can be obtained. In addition, 5
Reference numerals 3, 53, 53, and 53 are bogie fixing legs attached to the bogie 52. Numeral 54 is a balance weight loaded on the carriage 52 as required.

The main difference between the sixth embodiment of the present invention shown in FIGS. 21 to 24 and the fifth embodiment of the present invention is that the gondola supporting arm 1A is fixed to the bogie 52. An arm 55, a movable arm 56 attached to the fixed arm 55 so as to be extendable and contractible, a bolt 57 for fixing the movable arm 56 at a position where the movable arm 56 protrudes arbitrarily from the fixed arm 55, and Because of the use of the nut 58 and the gondola supporting arm 1A thus configured, a similar effect can be obtained even when the cleaning gondola 47E is used, and the gondola supporting arm 1A is shortened when not in use. Can be stored.

The seventh embodiment of the present invention shown in FIGS. 25 to 27 is mainly different from the sixth embodiment of the present invention in that a movable arm is attached to the distal end of a fixed arm 55 by a hinge member 59. In that the gondola support arm 1B is configured so that the arm 56 can be stored on the upper part of the fixed arm 55 in an overlapping manner.
The same operation and effect can be obtained by using the gondola supporting arm 1B having the above-described configuration and also by using the cleaning gondola 47F. Reference numeral 60 denotes a stopper piece of the movable arm 56 formed at the tip of the fixed arm 55.

The eighth embodiment of the present invention shown in FIGS. 28 to 30 is mainly different from the sixth embodiment of the present invention in that a movable arm is provided at the distal end of a fixed arm 55 by a hinge member 59. The gondola support arm 1C is configured so that the arm 56 can be housed on the side surface of the fixed arm 55, and the gondola support arm 1C thus configured is used as a cleaning gondola 47G. Has the same effect.

[0029]

As is apparent from the above description, the following effects can be obtained in the present invention.

(1) A gondola main body on which a person can ride to clean window glasses of a building such as a building, and a part protruding outward at a portion near both ends of a roof of the building such as the building. At least a pair of gondola support arms mounted on the main body, a T-shaped hanging bracket rotatably mounted on an upper portion of the gondola body, and a portion near the tip of the pair of gondola support arms. A gondola body moving device for moving the gondola body vertically and horizontally by expanding and contracting a pair of ropes respectively attached to portions near both ends of the hanging bracket. A pair of auxiliary rope guide cases formed with auxiliary rope guide passages fixed on both sides,
Each of the pair of auxiliary rope guide cables is fixed to a roof portion of a building such as the gondola support arm or the building.
A pair of auxiliary ropes respectively passing through the auxiliary rope guide passages of the base and suspended to a ground position, and respectively mounted in the pair of auxiliary rope guide cases, In the event of an emergency when one of the ropes is cut, the pair of auxiliary ropes is automatically pressed against the auxiliary loop guide passage by the auxiliary rope passing through the pair of auxiliary rope guide passages. A lock device having a lock lever for locking, and the lock lever of the lock device being constantly connected to the auxiliary roll.
One end of the lock lever of the lock device is urged in an unlocking direction in which the lock can be smoothly moved, and one end of the lock device that automatically releases the urged state in an emergency when one of the pair of ropes is cut. Since each lock side is attached to a portion near the free end, and the other end is constituted by a lock release holding device using a holding wire attached to a portion near both ends of the hanging bracket, Even if a pair of ropes for moving the gondola body in the vertical and horizontal directions are cut, the pair of auxiliary ropes are locked by the lock device, and the gondola body can be reliably prevented from falling to the ground.
Therefore, the cleaning operation can be performed safely.

(2) According to the above (1), the pair of auxiliary ropes of the lock release holding device can be smoothly moved to the pair of auxiliary ropes.
When the gondola body moves in the left and right direction because only the pair of auxiliary ropes can pass through the gondola body while moving the gondola body in the vertical and horizontal directions. Thus, it is possible to reliably prevent a pair of ropes that move the gondola body in the vertical and horizontal directions and a pair of auxiliary ropes from becoming entangled with each other. Therefore, during normal use, even if the gondola body moves vertically and horizontally, it is possible to reliably prevent the pair of auxiliary ropes from hindering the movement of the gondola body.

(3) According to the above (1), when one of the pair of ropes for moving the gondola body in the vertical and horizontal directions is cut, the lock release holding device on the cut rope side is used in an emergency. The locking device on the cut rope side can be automatically operated to lock the auxiliary rope. Therefore, the operator can safely use the auxiliary rope on the side of the rope that is automatically cut off in an emergency without any operation.

(4) According to the above (1), since the holding wire of the unlocking holding device is attached to the end of the hanging bracket, a pair of ropes for moving the gondola body up and down and left and right are used. It can be installed regardless of the installation and can be easily installed.

(5) According to the above (1), the gondola main body is suspended by a pair of ropes via the rotatable suspension fitting, so that the gondola main body is always vertically positioned and is stable. Posture can be maintained. Therefore, the cleaning operation can be performed safely even at a high place.

(6) According to the above (1), the gondola main body can be moved vertically and horizontally.
The cleaning operation can be efficiently performed on a large area, and the pair of auxiliary ropes is locked by the lock device even when the pair of ropes are cut, so that safety can be improved.

(7) Claim 2 has the same effect as (1) to (4).

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a first embodiment of the present invention.

FIG. 2 is a side view of the gondola support arm according to the first embodiment of the present invention.

FIG. 3 is a plan view of a gondola support arm according to the first embodiment of the present invention.

FIG. 4 is a front view of the gondola main body according to the first embodiment of the present invention.

FIG. 5 is a side view of the gondola main body according to the first embodiment of the present invention.

FIG. 6 is a plan view of the gondola main body according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram showing an unlocked state of the lock device according to the first embodiment of the present invention.

FIG. 8 is an explanatory diagram showing a locked state of the lock device according to the first embodiment of the present invention.

FIG. 9 is an explanatory view showing a second embodiment of the present invention.

FIG. 10 is a front view of a gondola main body according to a second embodiment of the present invention.

FIG. 11 is an explanatory view showing an unlocked state of the lock device according to the second embodiment of the present invention.

FIG. 12 is an explanatory view showing a third embodiment of the present invention.

FIG. 13 is a front view of a gondola main body according to a third embodiment of the present invention.

FIG. 14 is a side view of a gondola main body according to a third embodiment of the present invention.

FIG. 15 is an explanatory view showing a fourth embodiment of the present invention.

FIG. 16 is a front view of a gondola main body according to a fourth embodiment of the present invention.

FIG. 17 is a side view of a gondola main body according to a fourth embodiment of the present invention.

FIG. 18 is a front view showing a fifth embodiment of the present invention.

FIG. 19 is a side view showing a fifth embodiment of the present invention.

FIG. 20 is an explanatory diagram of a gondola main body according to a fifth embodiment of the present invention.

FIG. 21 is a front view showing a sixth embodiment of the present invention.

FIG. 22 is a side view showing a sixth embodiment of the present invention.

FIG. 23 is a plan view of a gondola support arm according to a sixth embodiment of the present invention.

FIG. 24 is a side view of a gondola support arm according to a sixth embodiment of the present invention.

FIG. 25 is a front view showing a seventh embodiment of the present invention.

FIG. 26 is a side view showing a seventh embodiment of the present invention.

FIG. 27 is a side view of a gondola support arm according to a seventh embodiment of the present invention.

FIG. 28 is a front view showing an eighth embodiment of the present invention.

FIG. 29 is a side view showing an eighth embodiment of the present invention.

FIG. 30 is a plan view of a gondola support arm according to an eighth embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B: gondola support arm, 2: building such as a building, 3: frame, 4: rebar, 5: fixing bracket, 6: support, 7: bolt, 8: nut, 9: gondola body, 10: Post, 11: Bottom plate, 12: Upper fixing bar, 13: Support arm, 14: Locking piece, 15: Locking tool, 16: Safety belt, 17: Hanging bracket, 18: Pivot pin , 19: hanging bracket body, 20: stopper piece, 21: pivot pin, 22: rope support bracket, 23: gondola body moving device, 24: electric winch, 25: guide member, 26: rope , 27: operation lever, 28: operation panel, 29: auxiliary rope guide case, 30: auxiliary rope guide passage, 31: auxiliary rope, 32, 32A: weight, 33: lock device, 34: pivot pin, 35: lock lever, 36: auxiliary loop Guide member, 37: lock piece, 38: stopper piece, 39: pressing piece, 40: biasing spring, 41: case body, 42: part mechanism, 43: operation piece, 44, 44A, 44B: lock Release holding device, 45: guide, 46: holding wire, 47, 47A to 47F: cleaning gondola, 48: spring, 49: spring, 50: pulley, 51: wheels, 52: trolley, 53: trolley fixed leg, 54: balance weight, 55: fixed arm, 56: movable arm, 57: bolt, 58: nut, 59: hinge member, 60: stopper piece.

Claims (2)

(57) [Claims] 1. A gondola main body on which a person can ride to clean a window glass of a building such as a building, and a body protruding outward at a portion near both ends of a roof of the building such as the building. At least one pair of mounted gondola support arms
Arm, a T-shaped hanging bracket rotatably mounted on the upper part of the gondola main body, and both ends of the hanging bracket suspended from a portion near a tip end of the pair of gondola supporting arms. A gondola body moving device for moving the gondola body up and down and left and right by expanding and contracting a pair of ropes attached to the part near the part, and auxiliary rope guides fixed to both side surfaces of the gondola body A pair of auxiliary rope guide cases each having a passage formed therein, and a pair of auxiliary rope guide cases which are fixed to a roof portion of a building such as the gondola support arm or the building. A pair of auxiliary ropes respectively passing through the auxiliary rope guide passages and suspended to a ground position; and a pair of auxiliary ropes respectively mounted in the pair of auxiliary rope guide cases. One of A lock having a lock lever for automatically pressing and locking the pair of auxiliary ropes against the auxiliary loop guide passages by the auxiliary ropes passing through the pair of auxiliary rope guide passages in the event of a cut-off emergency. The device and the lock lever of the lock device are always urged in the unlocking direction in which the auxiliary rope can move smoothly, and the urging state is changed in an emergency when one of the pair of ropes is disconnected. One end for automatically releasing is attached to a portion of the lock lever of the lock device near the free end on the lock side, and the other end is attached to a portion near both ends of the hanging bracket. A cleaning gondola, comprising a lock release holding device using the same. 2. A gondola main body on which a person can ride to clean window glass or the like of a building such as a building, a hanging bracket attached to an upper part of the gondola main body so as to be vertically rotatable, A gondola support arm attached to the roof of a building such as the building so as to protrude outward, and a gondola support arm suspended from a portion near a tip end of the gondola support arm, and a tip end of the hanging bracket. A gondola body moving device for vertically moving the gondola body by expanding and contracting a rope attached to a nearby portion, and an auxiliary rope having an auxiliary loop guide passage fixed to one side surface of the gondola body. And is fixed to the roof part of a building such as the gondola support arm or the building, passes through the auxiliary rope guide passage of the auxiliary rope guide case, and is located above the ground. Hanging up The auxiliary rope provided and the auxiliary rope
The auxiliary rope is installed in a guide case, and the auxiliary rope automatically passes through the auxiliary rope guide passage when the rope is cut. A lock device having a lock lever that locks by pressing against the guide passage, and the lock lever of the lock device is constantly urged in a lock release direction in which the auxiliary rope can move smoothly, and the rope is disconnected. One end for automatically releasing the urging state in the event of an emergency is attached to a portion near the free end on the lock side of the lock lever of the lock device, and the other end is near the tip of the hanging bracket. And a lock release holding device using a holding wire attached to the cleaning gondola.