JP2603847B2 - 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,
It is an object of the present invention to provide a work apparatus for temporary construction, which is safe and has a structure in which preparation and clearing of temporary construction can be easily performed.

[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 suspended therefrom, and a pair of meshes are formed along the longitudinal direction from below the wires with respect to the wires. A workbench that is fixed along the rails and that moves up and down along the rails is equipped, and the meshing roll or wheel of the worktable-side elevating drive means is meshed with the meshing portion, and the worktable is raised. In the process of moving, the rail is provided with an extension means 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 support beam for temporary work prepared in advance on the top of the building A, on which a hanger 2 is attached. A wire 3 is attached to the hanger 2 at the time of work, and is hung, for example, to the ground. A rail 4 is connected to the wire 3 by clamps 5 and 6. 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 rail body 4a has a T-shape. However, it is a matter of course that various constituent members such as an angle-shaped cross section (see FIG. 8), a channel shape, and each cylindrical 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. The wire 3 may be supported by a support member 8 at an appropriate position with respect to the side surface of the building A. In the present embodiment, the support member 8 protrudes from the construction A side, and has a plate shape. As shown in FIG. 6, a clamp 9 similar to the clamp 6 is provided at the distal end as shown in FIG. It is provided and connected to the wire 3. However, if necessary, a support member 8 is prepared for temporary installation, and
For example, in the case of a house, a handrail of a veranda or a handrail of a bay window may be used for fixing. The support member 8 is formed of a wire or the like instead of a plate. One end is fixed using a hook or the like attached to the side surface of the building A, and the suspended other end is connected to the upper wire 3. May be equipped. In this case, a spacer is separately fixed to the wire 3 in order to keep the distance between the side surface of the structure A and the wire 3 at a predetermined length, and when the wire 3 is loaded, the spacer is prevented from swinging toward the structure A. Good to do. By providing the support member 8 in this manner, it is possible to restrict the wire 3 from largely swinging due to the influence of wind or the like. 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 lock 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. In this process, the support between the wire 3 and the building A may be supported using the support member 8. 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. Further, as shown in FIG. 10, in order to determine the interval between the wires 3, 3, the spacers 24 are attached to the extension plate 7 of the rails 4, 4 attached at the lower end of the wires.
May be attached. In the case of a very high structure such as a steel tower, the hanger 2 for suspending the wire 3 was initially mounted in the middle of the structure, and the rail 4 was laid within the range of the suspended height of the wire 3. Thereafter, another wire 3 'may be hung by a hanger 2' at a higher position, and a rail 4 may be transferred to the wire 3 'and added. In the embodiment shown in FIG. 11, an anchor bolt 25 is driven into the structure, the first wire 3 is hung via the hanger 2, and another anchor bolt 25 'is driven upward, so that another structure is used. Wire 3 '
Is hung via the hanger 2 '. Here, the rail 4 is extended to the upper portion of the wire 3 to raise the worktable 10 serving as a scaffold, and then the rail 4 is transferred to the wire 3 'and extended. In the above embodiment, the hanger 2 was attached using the support beam 1 on the building, and the wire 3 was hung therefrom. However, if the support beam 1 was not provided, the hanger 2 was supported on the building before the temporary work. A beam 1 or the like may be prepared. Also,
In a skyscraper or the like, a wire (a pair) for suspending a window cleaning gondola may be provided on the building roof, but such a building can also be used. At this time, there is no need to temporarily install the hanger 2 and the wire 3.

【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.

[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 clamp of a rail, FIG. 6 is a perspective view of another clamp and a support member, FIG. 7 is an enlarged perspective view of a clamp of another rail,
FIG. 8 is a perspective view showing an embodiment in which the cross-sectional shape of the rail is T-shaped, FIG. 9 is a perspective view showing a meshing wheel when a pipe-shaped rail is used, and FIG. FIG. 11 is a front view showing a mounting state of the restricting spacer, and FIG. 11 is a side view for explaining expansion of a temporary construction area by mounting a hanger for a wire and mounting the next wire. 1 ... support beam, 2 ... hanger, 3 ... wire, 4 ...
... Rail, 7 ... Plate (for adding), 8 ... Support member, 10 ... Work table, 11 ... Elevating drive means.

Claims (6)

(57) [Claims] 1. A hanger is provided above a temporary construction area of a building, a pair of wires are suspended from the hanger, and a pair of rails having a meshing portion along the longitudinal direction from the lower side of the wire are provided. Equipped with a workbench that is fixed along the rail and moves up and down along the rails, the meshing roll or wheel of the workbench-side elevating drive means meshes with the meshing portion, and the workbench is raised. In the process, a work device for temporary construction is provided with a means for extending the rail so that the rail can be extended along the wire. 2. The temporary construction work device according to claim 1, wherein the hanger or the hanger and its wire are provided independently of a building. 3. The temporary construction work apparatus according to claim 1, wherein said hanger is installed on the top or side of the structure during temporary construction. 4. The structure according to claim 1, wherein said wire is suspended or abutted on and fixed to a side portion of said building by a supporting member so as to regulate a relative position with respect to said building. The work equipment for temporary construction according to 1. 5. The working device for temporary construction according to claim 1, wherein a spacer is provided for regulating the interval between the lower ends of the wires corresponding to the intervals at which the wires suspended from the hanger are attached. 6. When a temporary construction area of a building is extended above an upper end of a wire suspended by a hanger, a pair of wires are further suspended above the extended temporary construction area via a hanger, and The working device for temporary construction according to claim 1, wherein a rail is transferred to and added to the work table to extend a rising area of the worktable.