JP5280567B1 - Hanging device for rope work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a suspension device for rope work capable of automating a transport vehicle and capable of stable traveling even with a small size.
Switch control for driving a motor M with a brake using a motor M with a brake as a wheel driving means M of an apparatus (conveyor vehicle) 51 is held by an operator who performs the operation. Thus, the movement of the device 51 is controlled. Here, it is more preferable to provide a plurality of driving means M for the wheels of the transport vehicle.
[Selection] Figure 1

Description

  The present invention relates to a suspension device for rope work in which an operator is fastened to a rope to clean or repair a window or outer wall of a building.

Conventional technology

  Conventionally, when cleaning and repairing windows and exterior walls of buildings such as buildings, an annular attachment (also called a “round ring”) attached to the upper end of the outer peripheral wall of the building at a predetermined interval, A rope to which a stool is fastened is suspended, and an operator gets on the stool and cleans windows and outer walls of buildings such as buildings. However, in the method of hanging a rope on the above-mentioned round ring, when it is lowered to the ground while performing cleaning at a predetermined width interval, the rope is tied to the next round ring arranged at a predetermined width interval and hung. I had to do some cleaning work. Therefore, several hanging devices for rope work that can move laterally have been developed.

  A rope work hanging device G1 shown in FIG. 11 shows an example thereof, and a horizontal frame 102 disposed above an upper end of an outer peripheral wall (also referred to as “magpie”) of a building, and a horizontal frame 102 The outer frame 111 and the inner frame 121 that are respectively attached to the left and right ends of the frame, the center frame 116 disposed between these frames, the outer wheels 114 that are attached to the outer frame 111, and the inner frame 121 And an inner wheel 122 attached to the central frame and a central wheel 106 attached to the central frame, and the rope R is suspended from a predetermined location. The outer and inner frames 111, 121 in the vertical direction are attached via connecting plates 115, 117, 118, etc., and the central wheel 106 is attached to the horizontal frame 102 via the central frame 116. Each of the wheels 106, 114, and 122 has three wide ones such as automobile tires.

  On the other hand, as shown in FIG. 10, the suspension device for rope work provided by the applicant of the present application (Patent Document 2) includes a horizontal frame disposed above the outer peripheral wall of the roof of the building, and left and right sides of the horizontal frame. An outer frame and an inner frame that are vertically attached to both ends, a central frame that is vertically attached to the horizontal frame between the outer frame and the inner frame, and an upper end of the outer peripheral wall that is rotatably attached to the central frame. A central wheel that moves, an outer wheel that moves along the outer wall of the building attached to the outer frame, an inner wheel that moves along the outer wall of the inner frame, and a predetermined location on each frame The outer frame is formed into a ladder shape by left and right frame bodies and a plurality of central rails arranged at predetermined intervals between the left and right frame bodies. The height of the center frame and the inner frame is adjusted with respect to the horizontal frame by a plurality of adjustment holes provided in the vertical direction and bolts that are screwed into the adjustment holes. It is possible to move horizontally, and an operator is fastened to the rope to clean and repair the windows and outer walls of the building.

Japanese Patent Laid-Open No. 9-13644 JP 2001-227154 A

By the way, the conventional hanging device for rope work is not a large object on which a gondola (a box on which a person rides) can be suspended, or a driving means such as a motor is not provided, and the rooftop The assistant moved the transporter according to the work situation of the worker. In addition, in order to stabilize the carrier vehicle, it is necessary to arrange a number of wheels on the window side, inner wheels, etc. (see Patent Document 1), and to configure the frame structure on which the wheels are arranged as having a heavy weight. (See Patent Document 2). Moreover, in patent document 2, the locking device which locks a center wheel from the outer periphery was attached, and the stability of a stop was maintained (refer the code | symbol 10 of FIG. 4).
However, if there is only one worker who cleans the window, it would be inefficient to arrange another person to drive the device on the roof. Further, it is preferable to eliminate the enlargement of the device as much as possible (there is a risk of being blown by the wind if the device is enlarged), and there is no locking device.
SUMMARY OF THE INVENTION An object of the present invention is to provide a suspension device for rope work that can automate a transport vehicle and can be stably driven even if it is small.

The suspension device for rope work according to the present invention is such that a rope is attached to a transport vehicle arranged on the roof of a building, and an operator is fastened to the rope to perform cleaning or repair of a building window or an outer wall. In the suspension device for rope work, a switch with which a motor with a brake is used as a driving means for the wheel of the transport vehicle and the motor with a brake is driven is held by an operator who performs the work. The movement of the transport vehicle is controlled. Here, it is more preferable to provide a plurality of driving means for the wheels of the transport vehicle and attach a motor with a brake to each.
According to the present invention, a motor with a brake is attached to the driving means of the wheel of the transport vehicle, and the operator operates this (the worker can operate the transport vehicle by wire or wireless). It is no longer necessary to wait for the vehicle to be transported by an assistant. In addition, since a motor with a brake is used as the driving means for the wheels of the transport vehicle, the driving means is pressed at the place where it is placed, and the travel or stop state of the transport vehicle is obtained. Here, when a plurality of driving means for the wheels of the transport vehicle are provided and a motor with a brake is attached to each of them, the running can be further stabilized.

According to the present invention, the transport vehicle includes a central wheel attached so as to run over the upper surface of the outer peripheral wall of the building, an outer wheel that moves along the outer wall of the building, and an inner side of the outer peripheral wall. And a driving means for driving the central wheel so that the motor with a brake maintains a balance between the outer wheel and the inner wheel through the frame. It is attached in a substantially U-shape. Here, it is also possible to attach a motor with a brake to the outer wheel and the inner wheel.
According to the present invention, the motor with a brake, which is the driving means for the wheels of the transport vehicle, is attached to the center of gravity so as to maintain the balance between the outer wheel and the inner wheel via the frame. Even if the vehicle is downsized, the transport vehicle can be driven stably. The driving means for driving the central wheel is configured so that the motor with brake is attached in a substantially U shape so as to keep the balance between the outer wheel and the inner wheel through the frame. Is applied to the position of the center of gravity of the device of the present application, and stable running is achieved.

In the present invention, it is preferable that at least two of the central wheels are attached, and the motor with the brake is attached to each central wheel. Here, the at least two central wheels may be attached in the front-rear direction, may be attached left and right, or may be attached so that three are at the apex positions of the triangle.
According to the present invention, a plurality of motors with brakes are attached, so that traveling stability is further ensured.

According to the present invention, the motor with a brake for driving the central wheel is preferably attached in a substantially U shape so as to maintain a balance between the outer wheel and the inner wheel via the frame.
According to the present invention, the load of the motor with a brake is applied to the position of the center of gravity of the device of the present application, and traveling stability is further ensured.

  According to the present invention, since a motor with a brake is used as the driving means for the wheels of the transport vehicle, the drive means is pressure-fitted at the arrangement location, and the travel or stop state of the transport vehicle can be obtained. If a plurality of driving means for the wheels of the transport vehicle are provided, and a motor with a brake is attached to each of them, the running can be further stabilized. In the conventional rope suspending device, a worker is separately arranged to drive the transport vehicle on the roof. However, according to the present invention, the operator can drive the wheels of the transport vehicle wirelessly or by wire. Since the stop is controlled, the worker can operate alone.

It is a front view which shows the 1st Embodiment of this invention and the suspension apparatus for rope work. It is a side view which shows the said 1st Embodiment. It is a top view which shows the said 1st Embodiment. It is a perspective view which shows the suspension apparatus for the 2nd Embodiment of this invention and rope work. It is a perspective view which shows the 3rd Embodiment of this invention and the suspension apparatus for rope work. It is a perspective view explaining the usage example of this invention. It is sectional drawing explaining the other example of the said 1st Embodiment. It is a top view explaining the other example of the said 1st Embodiment. It is a front view explaining the other example of the said 1st Embodiment. It is a perspective view which shows a conventional apparatus. It is a perspective view which shows a conventional apparatus.

  Embodiments of the present invention will be described below with reference to the drawings.

(First embodiment)
As shown in FIGS. 1 to 3, the suspension device 51 for rope work according to the present embodiment includes a horizontal frame 2, and an outer frame 11 that is attached to the center of the horizontal frame 2 and both left and right ends in the vertical direction. And the inner frame 21 as main constituent members, and the carrier vehicle includes a central wheel 6, an outer wheel 14 that moves along the outer wall of the building, and an inner side of the outer peripheral wall. It is driven by the moving inner wheel 22. The driving force includes a motor with brake (gear motor with brake manufactured by Nissei Co., Ltd.) M attached via the horizontal frame 2 or the like. In the case of a general brake motor M, it has a clutch and a brake, and has a structure with a disk and an electromagnet (or magnet). However, the motor and the disk type AC excitation / spring braking mechanism are integrated. There are motors that incorporate a disc brake with no excitation coil and spring braking, and do not require a brake power supply. In addition, it is effective when an electric current is passed (electromagnet), and effective when an electric current is cut (effective with a magnet and released with an electromagnet).

  The horizontal frame 2 is arranged above the upper end of the outer peripheral wall (also called “magpie”) K of the building BL so as to cross the longitudinal direction of the upper end of the outer peripheral wall, and is made of aluminum or an alloy. Building materials are used. The same applies to the outer frame 11 and the inner frame 21. In addition, the center wheel 6 can also be attached so that height adjustment is possible via the center frame 5 distribute | arranged to the center of the horizontal frame 2 (refer FIG. 4).

The outer frame 11 is configured in a ladder shape by left and right frame bodies 11a and a plurality of columnar central bars 11b connected to each other at a predetermined interval between the left and right frame bodies 11a. The operator goes up and down by placing his hands and feet on the left and right frames 11a and the plurality of central rails 11b as the ladder H is moved up and down. The upper end side of the outer frame 11 is attached to the horizontal frame 2 via the first connecting plate 15. The first connecting plate 15 includes a sandwiching member that sandwiches the horizontal frame 2, and a plurality of adjustment holes h <b> 6 are formed in one side surface in the vertical direction. The plurality of adjustment holes h6 are for adjusting the length of the outer frame 11. The bolts are screwed into the adjustment holes h6 and the connection holes of the horizontal frame 2 so that the length of the first connection plate 15 is increased. The outer frame 11 is made a predetermined length by adjusting the height.
A pair of axle frames 13a and 13b are attached to the inside of the lower end side of the outer frame 11, and an outer wheel 14 is rotatably attached via a rotating shaft 18 between the pair of axle frames 13a and 13b. . The pair of axle frames 13a and 13b are bolted to the outer frame 11 with bolts. Two outer wheels 14 in the present embodiment are provided side by side in the front and rear in the movement direction. The outer wheel 14 is provided with a tire T1 on the outer periphery of the wheel, and is connected to a central hub via a spoke.

A pair of axle frames 9a and 9b, each having a pair of central wheels 6 attached to the lower end thereof, are connected to the approximate center of the horizontal frame 2. As the central wheel 6, a tire having a larger width of the tire T <b> 1 than the outer wheel 14 or the inner wheel 22 is used, and a wheel having a smaller diameter is used. The central wheel 6 is pinched so as to be rotatable via a rotating shaft 6a. The central wheel 6 is formed with a non-slip groove so that no slip occurs.
A motor M with a brake is attached to the horizontal frame 2 via a base 10d. Further, the driving force from the motor M with a brake is driven through the outer peripheral plate 6V disposed on the central wheel 6 through the driving belt V. Here, as shown in FIG. 7, two central wheels 6 are attached to the front and rear of the axle frames 9a and 9b. When a motor M with a brake is attached to each central wheel 6 and 6, The running of 51 is stabilized. Further, when a plurality of motors M with brakes are attached, the load applied to the position of the center of gravity is increased, and the structure of the frame can contribute to downsizing.
In addition, a motor M with a brake is disposed almost at the center of the horizontal frame 2, and the outer wheel 14 and the inner wheel 22 are attached in a substantially U-shape via the horizontal frame 2, whereby the outer wheel 14. The inner wheel 22 and the inner wheel 22 can be balanced, and the load of the motor M with brake is applied to the outer wheel 14 and the inner wheel 22 respectively, and the center of gravity as the device 51 is between the outer wheel 14 and the inner wheel 22. In the meantime, the running of the device 52 is stabilized. This is because the motor M with a brake is disposed via a base 10d attached to the approximate center of the horizontal frame 2.

The inner frame 21 is disposed inside the upper end K of the outer peripheral wall on the roof of the building BL, and is detachably attached to the horizontal frame 2 via the second connection plate 20. The inner frame 21 is a pair that sandwiches the horizontal frame 2 from the front and rear of the L-shaped horizontal frame 2, and a plurality of adjustment holes h <b> 4 are formed in one side surface in the vertical direction. The second connecting plate 20 has a plate shape larger than the width interval of the horizontal frame 2 and sandwiches the horizontal frame 2 from the front and rear of the horizontal frame 2 via bolts. The plurality of adjustment holes h4 are for adjusting the height of the inner frame 21, and the positions of the adjustment holes h4 and the bolt holes of the second connecting plate 20 are adjusted, and bolts are inserted into these holes. And the inner frame 21 is attached to a predetermined length.
On the inner side of the lower end side of the inner frame 21, inner wheels 22 are attached via axle frames 23a and 23b. That is, the inner wheel 22 is sandwiched between the pair of upper and lower axle frames 23a and 23b so as to be rotatable via the rotary shaft 24. The inner frame 21 is made of a long building material made of aluminum, and an adjustment hole h3 is formed in the longitudinal direction.
Two inner wheels 22 are provided side by side in the moving direction. The inner wheel 22 uses a tire T3 that is wider than the outer wheel 14 to improve stability. The inner wheel 22 and the outer wheel 14 are larger than the diameter of the central wheel 6. As the axle frames 23a, 23b and the inner wheels 22 attached to the inner frame 21 of the present embodiment, the same axle frames 13a, 13b attached to the outer frame 11 and the outer wheels 14 are used. The distance between the pair of outer wheels 14 and 14 is wider than the distance between the pair of inner wheels 22 and 22. It is possible to attach a motor M with a brake to these wheels 14 and 22 as well. The distance between the pair of central wheels is wider than the distance between the outer wheels 14 and 14, so that the traveling of the device 51 is stabilized.

  The suspension device 51 for rope work is disposed so as to straddle the upper end of the outer peripheral wall on the roof of the building BL. That is, the central wheel 6 is positioned at the center of the upper surface of the outer peripheral wall upper end K, the inner plate 21 is disposed inside the outer peripheral wall K, and the outer frame 11 is disposed. And if the outer wheel 14 is applied to the outer frame or wall surface of the building BL, the inner wheel 22 is applied to the inner side of the outer peripheral wall of the roof, and the upper end K is sandwiched, the movement becomes possible.

  As shown in FIG. 6, the rope R is adjustable in length with a stool (also referred to as a “branch”) B1, a cleaning tool (bucket, etc.) B2, etc. fastened to one end, and the other end is a horizontal frame. 3 is fastened to the other end side or the inner frame 21. The rope R is also provided with a safety device for preventing it from coming off the worker's body. It is preferable that the other end of the rope R is fastened to a predetermined location C on the roof in order to ensure safety (see FIG. 4).

  There are various shapes of the outer peripheral wall K on the roof of the building BL. For example, as shown in FIG. 9, when the shape of the outer peripheral wall K on the roof is a stepped shape, the inner frame 21 indicated by the phantom line may be attached to the horizontal frame 2, but the inner frame 21 is removed, You may attach the inner side frame 31 with which the small inner side wheel 32 shown with a continuous line was mounted | worn. In any case, it is necessary to match the step shape of the outer peripheral wall K. However, since the outer frame 11 and the like can be adjusted in the vertical direction in addition to the inner frame 21 of the present embodiment, the outer periphery of the roof It can be finely arranged according to the shape of the upper end of the wall.

  Here, when the device 51 of the present embodiment is compared with the conventional device (FIG. 10), the device 51 of the present embodiment includes a motor M with a brake, which the conventional device 51 does not have. On the other hand, the lock device 10 is not necessary, and the central frame 5, the hook-like member 12, and the like are not used. And it was assembled in the size of about 2/3. This is largely due to the effect of attaching the motor M with a brake.

Next, a case where the rope working suspension device of the present embodiment is actually used will be described.
The operator confirms the rope safety device while the body is fixed by the rope safety device in a state where the waist is placed on the stool, and the worker equipped with the rope descends to reach the ladder 11 Then, the cleaning operation at the predetermined position is started. When the cleaning operation at that position is completed, the operator operates the transport vehicle by wire or wirelessly to move the transport vehicle. When the brake is applied to the motor M with a brake, the substantially U-shaped device becomes a C-shape (see FIG. 4), and is pressed against the installation location at the location. To come.

(Second Embodiment)
The apparatus shown in FIG. 4 is an experimental apparatus (second embodiment) according to the present embodiment, and differs from the apparatus 51 according to the present embodiment in whether or not the central frame 5 is provided. However, it is almost the same type. Similarly, when the brake is applied, the substantially U-shaped device becomes a C-shape, and the scaffold is firmly fixed to the installation place. Then, as shown in FIGS. 8A and 8B, a plurality of central wheels 6 controlled by a motor M with a brake are attached along the outer peripheral wall K of the roof via a horizontal frame, or three If the position is shifted, the more stable running becomes possible. )
Here, in the conventional device 1 of FIG. 10, the left and right movements of the conventional device 1 are performed using suction cup members or the like. The suction cup member has a suction cup and a handle that are attracted to the window. The suction cup member is attracted to a predetermined portion of the window, and the rope R is pulled in that direction. Then, each wheel 6,14,22 of the lightweight this apparatus 1 can rotate and can be moved easily. However, such an operation is very dangerous. On the other hand, according to the apparatus 51 of this Embodiment, such operation becomes unnecessary and the operator can move a conveyance vehicle by radio | wireless or a wire communication.

(Third embodiment)
Next, as another example (third embodiment) of the apparatus of the present embodiment, as shown in FIG. 5, a rail LR is arranged on the roof and driven along this rail. That is, the rail LR is disposed in the vicinity of the upper end of the outer peripheral wall (also referred to as “smelt”) K of the building BL, and the inner wheel 22 slides on the rail LR. The rail LR is arranged along the magpie K, and is arranged with an R (R) at the corner LRc on the roof. Here, it is also possible to arrange a rail (rail with R) LR only on the corner LRc on the roof. And there is also a building formed in R shape in the outer corner part of a building. Therefore, according to the present embodiment, when the device 51 of the present embodiment is driven, the vehicle travels along the rail LR. However, the corner LRc can be turned around without changing the corner BC on the rooftop as it is. It becomes possible. Further, even when the outer peripheral corner of the building BL is a corner, it is possible to turn around the corner LRc without completely reassembling work. In other words, it is only necessary to stop at the corner LRc and rearrange the direction change operation of the outer wheel 14, and it is not necessary to rearrange the inner wheel 22. In addition, by arranging the outer rail corresponding to the outer wheel 14, it is possible to turn around the corner LRc without performing the rearrangement as it is even at the corner BC on the roof.

  As described above, the apparatus according to the present embodiment has been described mainly with the motor M with a brake attached to the central wheel 6. However, the present invention is not limited to this, and the inner wheel 22 and the outer wheel 14 are not limited thereto. Also, it is possible to attach a motor M with a brake, and by providing a plurality of such motors, it becomes possible to stabilize traveling.

1 Hanging device for rope work (conventional device),
51 Hanging device for rope work (device of the present invention, transport vehicle),
2 horizontal frame,
6 Central wheel,
11 outer frame,
14 outer wheels,
21 inner frame,
22 inner wheels,
M Motor with brake (drive means)

Claims (5)

In the suspension device for rope work where a rope is attached to a transport vehicle arranged on the roof of the building, and an operator is fastened to this rope to clean and repair the windows and outer walls of the building.
The switch control for driving the motor with the brake using the motor with the brake as the driving means for the wheel of the transport vehicle is held by the operator who performs the work and controls the movement of the transport vehicle. A hanging device for rope work.   The transport vehicle has a central wheel mounted so as to run over the upper surface of the outer peripheral wall of the building, an outer wheel that moves along the outer wall of the building, and an inner wheel that moves along the inner side of the outer peripheral wall. 2. The suspension device for rope work according to claim 1, further comprising a wheel and a frame for connecting these wheels, wherein a motor with a brake is attached to the driving means for driving the central wheel.   The suspension device for rope work according to claim 1 or 2, wherein at least two of the central wheels are attached, and the motor with the brake is attached to each of the central wheels.   The motor with a brake for driving the central wheel is mounted in a substantially U shape so as to maintain a balance between an outer wheel and an inner wheel via the frame. 3. A suspension device for rope work according to 3. The rail is laid on the roof of the building, and the corners of the roof are arranged with R (R), and the inner wheels are driven along the R. A suspension device for rope work according to item 1.

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