JP3021024U - Assembled work platform - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] An assembly type aerial work platform assembled from an iron pipe so that the overall height can be easily lowered as necessary so as not to hinder movement. SOLUTION: Yakura 1A is provided from a pillar 2 made of an iron pipe.
1B and 1C are assembled to provide wheels 3 at the bottom of each of the columns 2 to make the yagura movable, and a scaffolding plate 4 is stretched horizontally at the upper end of the yagura, and four corners of the scaffolding plate 4 are provided. By attaching a shaft joint member 6 to the column 2, and by inserting both vertical portions 22 and 23 of the gate-shaped handrail frames 18 and 19 into the shaft joint member 6 around the scaffolding plate 4, it is possible to freely project and retract. Supported.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a prefabricated aerial work platform assembled from an iron pipe.

[0002]

[Prior art]

 Assembled aerial work platforms, which are made by assembling iron pipes in a yagura shape, have been conventionally used for ceiling construction in gymnasiums, factories, cleaning work, and television shooting. By the way, the assembly-type aerial workbench is provided with wheels to facilitate movement, but if the ceiling has a partly low place due to beams, etc., the handrail part at the top will be an obstacle. In some cases, the workbench cannot be moved. In such a case, the workbench conventionally had to be disassembled, moved, and reassembled. For this reason, there is a drawback that the disassembling and assembling work requires time and is not easy to move.

[0003]

[Problems to be solved by the device]

 The present invention is intended to solve the above-mentioned drawbacks and to facilitate the movement of a prefabricated aerial work platform.

[0004]

[Means for Solving the Problems]

 To this end, the prefabricated aerial work platform according to the present invention is constructed by assembling a yakura from a support made of an iron pipe to provide wheels at the bottom of each support so that the yakura can be moved, and at the upper end of the yakura. A scaffolding board is stretched over, and a shaft joint member is attached to the pillars at the four corners of the scaffolding board, and a gate-shaped handrail frame is inserted around the scaffolding board with both vertical portions inserted into the shaft joint member. In particular, it is characterized by supporting it so that it can appear and disappear freely.

[0005]

[Embodiment of device]

 Next, an embodiment of the present invention will be described. In FIG. 1, 1A, 1B and 1C are Yakura assembled by welding iron pipes, and by connecting both ends of the pillars 2 at the four corners, the Yakura 1A, 1B and 1C are stacked stepwise. A tower-shaped workbench having a height of several meters is constructed, wheels 3 are provided at the lower ends of the columns 2 of the lower Yakura 1C, and the scaffolding plate 4 is attached to the horizontal pipe 15 of the upper Yakura 1A by the clasp 16. Are stretched horizontally. A ladder 5 is formed by an iron pipe on the side surface of each Yakura 1A, 1B, 1C.

Shaft joint members 6 are provided on the columns 2 at the four corners of the scaffolding plate 4. As shown in FIG. 2, the shaft joint member 6 is formed by inserting short pipes 8 and 9 having the same diameter as that of the support column 2 into both ends of an oval flat plate 7 and fixing them by welding. 9 are arranged in parallel, and a semicircular positioning member 10 is fixed to the lower side of the flat plate 7 of one of the short pipes 8 by welding in a hanging shape. On the lower side of the flat plate 7 of the other short pipe 9, one retaining ring 12 of the orthogonal clamp 11 is fixed by bolts 13, and the other retaining ring 14 of the orthogonal clamp 11 is bolted to the horizontal pipe 15 of the Yakura 1A. It is fixed by 17. Then, the short pipe 8 is placed on the upper end surface of the column 2. A lateral hole 20 is formed in the upper portion of the short pipe 8 in a penetrating manner, and a lateral hole 21 is formed in the upper portion of the short pipe 9 in a penetrating manner.

Reference numerals 18 and 19 denote gate-shaped handrail frames made of iron pipe. Both vertical portions 22 of the handrail frame 18 are inserted into the short pipe 8 and both vertical portions 23 of the handrail frame 19 are inserted into the short pipe 9. I am inserting. Then, the through holes 24 formed in both vertical portions 22 and the horizontal hole 20 are aligned with each other, and the stop pins 25 are inserted into the through holes 24. The handrail frames 18 and 19 are supported so as to be retractable around the scaffolding plate 4 by matching the horizontal holes 21 and inserting the stop pins 27 into the horizontal holes 21. Numerals 28 and 29 are lateral holes formed a little above the lateral holes 24 and 26, and are short in order to make it easy to insert the stop pins 25 and 27 into these lateral holes 24, 26, 28 and 29. The pipe 30 is fixed by welding. In addition, 31 is a guard frame formed downward from the horizontal portions of the handrail frames 18 and 19, 32 is a side plate that is provided at the lower end of the handrail frame 18 and surrounds the periphery of the scaffolding plate 4, and 33 is a part of the boarding port of the handrail frame 19. It is a chain that can be attached to and detached from the section.

In the assembly type aerial work platform configured as described above, the operator rides on the scaffolding plate 4 in a state where the handrail frames 18 and 19 are projected upward as shown in FIG. You can Further, when moving the prefabricated work platform, the total height can be lowered as shown in FIG. 4 by pulling out the stop pins 25 and 27 and lowering the handrail frames 18 and 19. The wheels 3 can be easily rolled by rolling without interfering with the beams and the like.

[0009]

[Effect of device]

 As described above, the prefabricated aerial work platform of the present invention supports the gate-shaped handrail frame which is freely retractable around the scaffolding plate. Can reduce the obstacles. As a result, the need for disassembly and reassembly as in the past is reduced, and there is a beneficial effect that it can be used conveniently.

[Brief description of drawings]

FIG. 1 is an external perspective view of a prefabricated aerial work platform according to the present invention.

FIG. 2 is a horizontal sectional view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is an external perspective view of the assembly-type aerial work platform when the handrail frame is lowered.

[Explanation of Codes] 1A, 1B, 1C Yakura 2 Struts 3 Wheels 4 Scaffolding plate 6 Shaft joint member 7 Flat plate 8,9 Short pipe 11 Orthogonal clamp 18,19 Handrail frame 20,21 Horizontal holes 22,23 Both vertical parts 24, 26 side hole 25,27 stop pin 28,29 side hole

Claims (1)

[Scope of utility model registration request] 1. A scaffolding plate is provided by assembling a yakura from a support made of an iron pipe to provide a wheel at a lower portion of each support to make the yakura movable, and a scaffolding plate horizontally stretched at an upper end portion of the scaffold. A shaft joint member is attached to the support pillars at the four corners of the plate, and a gate-shaped handrail frame is supported around the scaffold plate so as to be retractable by inserting both vertical portions into the shaft joint member. Assembled aerial workbench characterized by.