KR100454121B1 - High place working device - Google Patents

Abstract

The present invention is to install the cable fixing frame to each of the two adjacent pillars in the building structure including the pillar, and a plurality of tread support cable is connected between the cable fixing frame, the support plate material to the foot support cable Install to provide the worker's work path. The worker can freely move to the work place by using the support plate to secure the safety rope on the auxiliary cable installed in the cable fixing frame, and can guarantee the safety work, and greatly reduce the construction cost and air by simple assembly and disassembly of the aerial work equipment. Can be reduced.

Description

High place working device

The present invention relates to an aerial work device that allows a worker to perform aerial work at high altitude in a building structure construction. In particular, the present invention relates to a working environment that can safely perform work while supporting the weight of the worker between pillars supporting the structure. It relates to an aerial work device for providing.

In aerial work, aerial platforms should be provided to renovate high site-side facilities.

Conventionally, one method for working in height in an example tensile structure is shown in FIG. As shown in FIG. 1, the crane 10 is used for the aerial work, and the crane 10 lifts the work bench 12 into the air by the required height from the ground. The work table 12 is a box shape opened upward and the bottom is composed of plywood or composite material.

The workbench 12 is suspended by the crane 10 and moved to the structural cable 16 on the side of the structural structure, and the worktable 12 that reaches the structural cable 16 is fixed to the cable 16 by the clamp 14. . And the worker rides on the workbench 12 to hang the safety rope on the cable 16 to perform the repair work of the facility.

When cranes are used for aerial work, the problem is that they are difficult to use in already installed spatial structures. This is because, for example, when the stadium is a membrane structure, the height of the entrance is limited and the crane cannot enter and exit.

Therefore, conventional scaffolds (built up using planks, pipes and clamps) used in building construction sites are used in places where cranes cannot be used, such as space structures.

However, the use of such scaffolding results in a large construction area, which leads to a large construction cost, a huge amount of time and cost for installing a scaffold, and a reduction in work efficiency.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to provide a height-lifting device that can be safely operated without a crane using a column already installed in the space structure. have.

Specific means of the present invention for achieving the above object,

In the aerial work device for the operator to perform the aerial work between the first column 21 of any one place and the selected second column 22 of the other place,

The cable fixing frames 30 and 31 which are separately assembled are installed on the first pillar 21 and the second pillar 22 so that the installation height is adjustable, and the cable fixing frames 31 and 32 are respectively fixed. Support plate material having a predetermined area to fix the plurality of scaffold support cables 40 which are connected in parallel and spaced at intervals, and to provide a moving passage of the operator on the upper surface of the plurality of scaffold support cables 40 ( 42) is fixedly installed.

1 is a conceptual view of a conventional aerial work device.

Figure 2 is a conceptual diagram of the installation of aerial work device in the domed structure according to the present invention.

Figure 3 is a detailed perspective view of the aerial work device in FIG.

Figure 4 is a perspective view from below of the plate to show the installation state of the plate in the aerial work apparatus of the present invention.

Figure 5 is a perspective view of the installation of the support plate applied to the present invention.

<Explanation of symbols for the main parts of the drawings>

21,22: pillar

30,31: Fixed frame

32,33: split frame

34,35: Tightening band

37: clamp

40: foot support cable

42: support plate

44: auxiliary cable

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a schematic diagram of the aerial work device is applied to the spatial structure having a roof membrane. That is, the aerial work device is installed between the first column 21 and the second column 22, and the third column 23 is provided between the first column 21 and the second column 22. These pillars 21, 22, and 23 are connected to the respective structural cables 24, 25, and 26 so as to rise from the ground and stand vertically to support the roof membrane 17.

The structural cables 24, 25 and 26 are applied with a tensile force of at least a few tons up to several tens of tons and have sufficient structural strength and rigidity to resist this tensile force.

Therefore, structural cables 24, 25, 26 require replacement and repair if the initially set tension is loose or structurally weak. In addition, the structural cables 24, 25, and 26 require maintenance such as coating cleaning and taping to prevent grease leakage. In the present invention, in addition to this operation, it is also possible to clean and siliconize the roof membrane provided in the space structure.

To this end, the present invention, for example, if the repair section is made between the first pillar 21 and the second pillar 22, first the cable fixing frame (30, 31) is installed on each pillar (21, 22) do.

Since the cable fixing frames 30 and 31 have the same structure and function, one cable fixing frame 30 will be described.

The cable fixing frame 30 has a structure that is divided and installed to be adjustable in height in consideration of the height of the operator.

As shown in FIG. 3, the cable fixing frame 30 is divided into a pair of split frames 32 and 33 formed in a symmetrical manner, and a pair of split frames 32 and 33 are fixed to a corresponding column 22. And locking means for preventing rotation and dripping.

Here, the fixing means is composed of a fastening bolt 38 and a nut 39 screwed thereto, but is not necessarily limited thereto.

The split frames 32 and 33 are semicircular, and the upper and lower tightening bands 34 and 35 and the upper tightening band 34 extend in the vertical direction with respect to the column 22 and at the same time the lower tightening band 35. And a plurality of U-clamps 37 provided on the horizontal plate 36 to connect the horizontal plate 36 connected to the reinforcing ribs 29 and the plurality of scaffold supporting cables 40 to be described later. Consists of.

The cable fixing frames 30 and 31 configured as described above are assembled as shown in FIG. 3. That is, by attaching the split frame (32, 33) to each other on the corresponding column 21 side, both ends of the upper and lower tightening bands (34, 35) in several places firmly by the fastening force of the fastening bolt 38 and the nut 39 Fix it.

Then install a plurality of scaffold support cables 40 on the side of the cable fixing frame (30, 31) far from each other. One end and the other end of the scaffold support cable 40 is fixed to the horizontal plate 36 of the cable fixing frame (30, 31) while passing through the U-clamp (37). At this time, the plurality of scaffold support cable 40 adjusts the tension to be arranged on the same plane horizontally to each other.

And tension maintenance and adjustment of the foothold support cable 40 may be made by connecting the end of the foothold support cable 40 to a known chain block fixed to the fixed portion of the structure, for example.

At this time, the plurality of scaffold support cables 40 have strength and rigidity that can sufficiently support the worker of life at a time.

On the upper surface of the plurality of scaffold support cables 40, as shown in FIGS. 4 and 5, a rectangular support plate member 42 having a predetermined area in the longitudinal direction is provided to provide a moving scaffold of the operator. Plate 42 may be composed of plywood or other composite materials having rigidity that is easily bent or broken. And the upper surface of the plate 42 may be attached to the well-known non-slip pads so that the work shoes of the worker can not be easily slipped.

The support plate material 42 may be fixed using the plurality of foothold support cables 40 and, for example, an iron wire 41. In other words, the boring hole 41a is drilled on both sides of the support plate member 42 on the line through which the foothold supporting cable 40 passes, and the iron wire 41 having a predetermined length is wrapped around the outer diameter of the plate support cable 40. It can be fixed to.

On the other hand, the cable fixing frame (30, 31) may be further provided with an auxiliary cable 44 so that the worker can put a safety rope. To this end, support brackets 51 are placed on the upper surfaces of both ends of the horizontal plates 36 of the cable fixing frames 30 and 31, and the auxiliary cables 44 are mounted on the support brackets 51 so as to be tensioned. .

At this time, the force to pull the auxiliary cable 44 may be adopted a chain block commonly used in the field of cable construction. That is, a method of fixing the chain block to the fixed portion of the structure and pulling the end of the auxiliary cable 44 can be used.

As described above, in the aerial work device installed between the two pillars 21 and 22, the cable fixing frames 30 and 31 are first installed on the pillars 21 and 22, respectively.

At this time, the method of installing one of the cable fixing frame 30, the split frame (32, 33) abuts on the side of the first pillar 21, upper and lower tightening band (34, 35) is the first pillar (21) ) Wrap around it.

Next, the fastening bolt 38 prepared as shown in FIG. 3 is inserted into the upper and lower tightening bands 34 and 35 and screwed to the nut 39 so that the cable fixing frame 30 rotates or moves on the corresponding column 22. Fix it so it doesn't work. In this case, the cable fixing frame 31 installed on the pillar 22 side is fixed to face the pillar 21 facing directly to the front.

Next, one end of the foothold support cable 40 is fixed to the horizontal plate 36 of one side fixing frame 30 with a U clamp 37, and the other end of the plurality of foothold support cables 40 in the same manner. The U-clamp 37 is fixed to the horizontal plate 36 of the other fixed frame 31, respectively.

In this case, the plurality of scaffold supporting cables 40 are aligned to be parallel to each other horizontally by adjusting the tensile force so that the same tensile force is applied thereto.

Next, the auxiliary cable 40 is tightly connected to both cable fixing frames 30 and 31, and then the support plate 42 of a suitable size is sequentially arranged in the longitudinal direction on the upper surfaces of the plurality of foothold supporting cables 40. Install it fixed.

When the installation work of the support plate material 42 is completed in this way, the worker can secure the moving path to the position to be repaired, and can safely carry out the necessary repair work on the auxiliary cable 44.

On the other hand, when the aerial work is completed, the aerial work device can be dismantled and moved to the next maintenance site and reinstalled.

As described above, according to the aerial work apparatus of the present invention, the installation and dismantling time can be shortened compared to the conventional aerial equipment using the scaffolding, thereby reducing the overall maintenance work. In addition, the installation equipment is simple to reduce the construction cost, it is useful for the aerial work in the space structure that the crane can not enter as conventional.

Claims (3)

In the aerial work device for the operator to perform the aerial work between the first column 21 of any one place and the selected second column 22 of the other place, The cable fixing frames 30 and 31 which are separately assembled are installed on the first pillar 21 and the second pillar 22 so that the installation height is adjustable, and the cable fixing frames 31 and 32 are respectively fixed. Support plate material having a predetermined area to fix the plurality of scaffold support cables 40 which are connected in parallel and spaced at intervals, and to provide a moving passage of the operator on the upper surface of the plurality of scaffold support cables 40 ( 42) aerial work device, characterized in that the fixed installation. The method of claim 1, The cable fixing frame (30, 31), A pair of split frames 32 and 33 which can be divided and assembled and formed symmetrically, The divided frames 32 and 33 may include semi-circular upper and lower tightening bands 34 and 35; A horizontal plate 36 extending vertically from the upper tightening band 34 to the corresponding column 21 or 22 and connected to the lower tightening band 35 at the same time; A U-clamp (37) for connecting and fixing the plurality of scaffold supporting cables (40) to the horizontal plate (36); Aerial work device, characterized in that it comprises a fixing means for fixing the upper and lower tightening vanes (34, 35) to the column (21 or 22). The method according to claim 1 or 2, The cable fixing frame 30, 31, aerial work device, characterized in that the auxiliary cable 44 is further installed to hang the safety rope of the operator.