JP2583097B2 - Working equipment for temporary work - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial applications]

The present invention relates to a work apparatus for temporary work for work such as painting in a building such as a building, a bridge girder, a tower or the like.

[Prior art]

When it is necessary to secure a scaffold for work, such as for exterior repair of a structure, a temporary structure corresponding to the temporary construction area has been prepared using pipe struts, turnbuckles, joints, scaffolding boards, etc. I have. In this case, the materials of the temporary structure are enormous, and preparations before the work and clearing after the work are not easy. In particular, when the structure is very high, sufficient strength is required to withstand the wind pressure. In addition, temporary construction on the side or underside of the bridge girder requires temporary materials of special technology and structure.
There is a problem that labor costs increase.

[Problems to be solved by the invention]

Therefore, a gondola is suspended from the top of the building with a wire, and work is actually performed in this place.However, since it is easily affected by the wind, it is necessary to consider the weather and work safety. There's a problem. For this reason,
Except for cases such as window-cleaning gondola equipment for skyscrapers designed with sufficient safety in mind, the use of gondola for normal temporary construction is not dangerous.
I was not allowed. Therefore, the present invention secures the stability of the scaffold by linking the rail to the wire suspended in the temporary construction area, and by using a worktable that can move up and down,
An object of the present invention is to provide a structure and a working device for temporary construction, which are safe and can easily perform temporary preparation and clearing.

[Means for Solving the Problems]

For this reason, in the present invention, a hanger is provided above the temporary construction area of the building, a pair of wires are hung on the hanger, and the building is faced, and the wires are meshed along the longitudinal direction from below with respect to the wire. A pair of rails forming a fixed portion is fixed along the rails, and a worktable that moves up and down along the rails is provided, and a meshing roll or a wheel of a worktable-side elevating drive unit is meshed with the meshing portion. In the process of ascending the work table, a means for extending the rail is provided at the end of the rail so that the rail can be extended along the wire. It also provides some means for utilizing the temporary construction work device more widely.

[Action]

Therefore, by connecting the rails to the wires, excluding the wobbling of the wires due to the wind, by raising and lowering the work table along the rails, the rails work as rigid supports, and a safe scaffold is provided. Can be built. This eliminates the need for a large-scale temporary construction as in the related art, so that costs, labor costs, and time can be greatly reduced for preparation and removal after work. In addition, work safety is higher than that using a gondola.

【Example】

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. In the figure, reference numeral 1 denotes a temporary construction support beam prepared in advance on the top of the building A, on which a rail 1a is laid horizontally. The hanger 2 is attached to the rail 1a so as to be able to run. That is, the rail 1a has, for example, a rack-shaped meshing portion 1b formed on the lower surface thereof, and is suspended from the support beam 1 by a suspender 26 and a clamp 26a. As shown in FIG. 6, the hanger 2 includes pin rolls 27 and 28 and a support roll 29 which are engaged with the engagement portion 1b.
The vehicle includes a traveling unit 30 that travels on the hanger 2 along 1a and a stopping unit 31 that applies a braking force to the pin roll 28 to stop the pin roll 28. This can be remotely controlled by a controller (not shown). A wire 3 is attached to the hanger 2 at the time of work, and is hung, for example, to the ground. The rail 4 is connected to the wire 3 by the clamps 5 and 6 toward the front of the building A. As shown in FIG. 7, the clamp 5 includes an eye plate 5a welded to one side of the rail 4, and a C-shaped ring 5b inserted through the eye plate 5a.
The ring 5b is caulked so as to close the opening 5c and clamped to the wire 3. As shown in FIG. 5, the clamp 6 includes a plate 6a welded to one of the extension plates 7 provided at the end of the rail 4, a clamp receiver 6b contacting the plate 6a, and a U-shaped hook. 6c and consisting of the above hook
6c, the wire 3 is clamped by tightening a nut or the like to a leg (not shown) penetrating the clamp receiver 6b and the plate 6a while holding the wire 3 in the clamp receiver 6b.
It sticks to. The rail 4 is provided with a meshing portion 4b formed in a corrugated shape on a rail body 4a. In this embodiment, the T-shape is used as the rail body 4a, but it goes without saying that various structural members such as an angle-shaped cross section (see FIG. 8), a channel shape, and a rectangular tube shape can be adopted. The plate 7 has a bolt insertion hole 7a, and the plate 7 on the rail side to be connected and a bolt / nut (not shown) constitute one adding means. It is to be noted that the replenishing means is not limited to the above-described configuration, but various modifications or configurations can be adopted. Then, the rail 4 is attached from the bottom of the wire 3 and the work table 10 is mounted there. The work table 10 is provided with a lifting drive means 11 corresponding to each rail 4.
In the present embodiment, the lifting drive means 11 includes two pin rolls 12 and 13 that mesh with the meshing portion 4b of the rail 4, and a pinch roll 14 that sandwiches the rail 4 together with the pin rolls 12 and 13. The pin roll 12 has its axis 15
Are driven by a motor 16. The lifting drive means 11 reduces the rotation of the motor 16 via a worm speed reducer 17, and further rotates the pin roll via a clutch 18.
It has a configuration to transmit to 12 shafts 15. The other pin roll 13 has its shaft 19 connected to a brake 21 via a clutch 20. The lifting drive unit 11 controls the drive of the motor 16, on / off control of the clutches 18 and 20, and Control unit 22 for controlling braking force adjustment of brake 21
Is provided. The pin rolls 12 and 13 are provided with flanges 12a and 13a, respectively, that slide in contact with the side surfaces of the rail 4, and have pins 12b and 13b that mesh with the meshing portion 4b, and further, on both sides of the meshing portion 4b. It has rolling contact portions 12c and 13c that roll contact with the remaining surface of the rail 4. Note that a gear may be used instead of such a pin roll. When the rail is formed by a pipe as shown in FIG. 9, an engagement hole 4b 'formed at a predetermined pitch in this rail 4' (this is an engagement portion 4b).
23a that engages with the rack that performs the function of
May be used. Also in this case, of course, a pinch roll supported from the opposite side of the rail 4 'is prepared. Thus, when the control unit 22 is operated to drive the motor 16 in the lifting drive means 11, the clutch 20 is turned off. As a result, the work table 10 is raised with respect to the rail 4 by rotating the pin roll 12 by the rotation of the motor 16, but at this time, the brake 21 does not work for the above-mentioned lift.
Further, by operating the control unit 22, stopping the motor 16, turning off the clutch 18 and turning on the clutch 20, and operating the brake 21, a stopped state can be obtained.
Then, by the adjustment control of the brake 21, the work table 10 can be lowered by the load. For safety, the lifting drive means 11 has pin rolls 12 and 13 for maintaining a stopped state, or a meshing portion 4b of the rail 4.
It is preferable to provide a locking means for locking the lock.
Further, the brake 21 or the control unit 22 for controlling the same may be provided with a means for regulating the descending speed or regulating the acceleration / deceleration control. In this way, the first rail 4
Is completed and the worktable 10 is mounted on the rail 4, the operator can raise the worktable 10 by operating the control unit 22. Then, at the stage where the temporary work level has risen, as shown by imaginary lines in FIGS. 1 and 2, the next rail 4 is added to the upper end of the rail 4 by means of adding means, and then the added rail 4 is added. Is connected to the wire 3 by the clamps 5 and 6 as described above. In this way,
The level of the worktable 10 is sequentially increased, and the temporary work is performed up to the upper part of the wire 3. Then, in the temporary construction area between the wires 3, work such as painting can be performed by raising and lowering the work table 10. In the above embodiment, the control unit 22
May be divided into remote control means that can be operated at hand by the operator and control reception and control means provided on the side of the elevation drive means 11, and the remote control means may use a code to perform the control reception and control using a code. An electrical configuration linked to the means may be used, or a cordless electrical configuration using an optical sensor or the like may be used. Further, in the above embodiment, the lifting drive means 11 is
A configuration using a manual mechanism such as a chain block and a brake mechanism may be adopted. In this case, similarly to the above-described embodiment, it is preferable from the viewpoint of safety that the lifting / lowering driving means 11 include a locking means for fixing the worktable 10 to the rail 4 in a stopped state. As shown in FIG. 1, in order to determine the interval between the wires 3, 3, the spacers 22 are added to the plate 7 for replenishing the rails 4, 4, which are attached at the lower ends of the wires.
May be attached. In the above-described embodiment, the hanger 2 can move along the rail 1a, so that the work table can move in the lateral direction. Therefore, the workable area can be expanded in the horizontal direction. In a work area where the upper part is narrower than the lower part in a tall building such as a steel tower, the rails 4, 4 are laid in a C shape facing the structure A as shown in FIG. However, the housings 8 of the right and left lifting drive means 11 may be moved along the rails 9 provided on the worktable 10 so that the worktable 10 can be moved up and down. Further, the housing 8 includes a carriage portion 8a moving along the rail 9 and a rail
It is divided into a movable housing 8b that can be tilted to move the pin rolls 12 and 13 along the lines 4 and 4. For example, the carriage portion 8a and the movable housing 8b may be pivotally supported by a pivot 8c. When the rails 4 and 4 are viewed from the side, the rails 4 and 4 are laid so as to be inclined along the side of the building A as shown in FIG. 11, so that the support members 32 that support the wires 3 and 3 are arranged at a predetermined pitch. It may be temporarily provided on the side of the building A. In the above embodiment, the rail 1a is laid by using the support beam 1 on the building A, and the hanger 2 is attached to the rail 1a. However, if there is no support beam 1, prior to the temporary work, It is preferable to prepare a support beam 1 or the like on the building A.

【The invention's effect】

The present invention has been described in detail above, and a rail is connected to a wire suspended in a temporary construction area, a work table that can be raised and lowered is provided for the rail, and the rail is extended upward to temporarily construct the work. As a gondola, it is possible to secure the safety of the scaffold without swaying due to wind pressure, etc.
It is easy and saves a lot of money, labor and time. Further, as described in claim (2), the workbench-side lifting / lowering drive means can move on the workbench in accordance with the rail interval, so that, for example, the rails can be configured in a C shape with respect to the front of the building. It is possible and can be applied to special structures, such as steel towers. Further, as set forth in claim (3), the hanger includes:
By being able to move along the rail, the temporary work area can be expanded in the left and right directions, so that an extremely large workable area can be obtained as compared with the temporary structure.

[Brief description of the drawings]

1 is a front view showing an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a longitudinal side view of a lifting drive means, FIG. 4 is a front view of the same, FIG. Fig. 6 is an enlarged perspective view of a rail clamp, Fig. 6 is a longitudinal sectional view showing traveling and stopping means on a hanger, Fig. 7 is an enlarged perspective view of another rail clamp, and Fig. 8 is a T-shaped rail. FIG. 9 is a perspective view showing a meshing wheel in the case of using a pipe-shaped rail, and FIG. 10 is a special view provided on a lifting drive means when the rail is laid in a C-shape. FIG. 11 is a front view showing the structure, and FIG. 11 is a side view for explaining how a support member for supporting a wire is attached. 1 ... Support beam, 1a ... Rail, 2 ... Hanger, 3 ...
Wire, 4 ... Rail, 7 ... Plate (for extension), 8 ... Housing, 8a ... Bogie part, 8b ... Movable housing, 9 ... Rail, 10 ... Work table, 11 ... Elevation drive means , 26 …… Holder, 26a …… Clamp, 27,28 ……
Pin roll.

Claims (3)

(57) [Claims] 1. A hanger is provided above a temporary construction area of a building, a pair of wires are hung on the hanger, and a meshing portion is formed along the longitudinal direction from below the wire with the building facing the front. A pair of rails is fixed along the rails, and a worktable that moves up and down along the rails is provided, and a meshing roll or a wheel of a worktable-side elevating drive unit is meshed with the meshing portion. A work apparatus for temporary construction, wherein a means for extending a rail is provided at a rail end so that the rail can be extended along a wire in a process of ascending the work table. 2. The work apparatus for temporary construction according to claim 1, wherein said work table side elevation drive means has a structure which can be moved on the work table in accordance with a rail interval. 3. The temporary construction work according to claim 1, wherein the hanger includes a traveling means and a stopping means which can move along a rail horizontally arranged along the structure. Working equipment.