JPH0541152Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a temporary scaffolding device used when constructing the roof of a structure.

(Prior Art) Conventionally, Japanese Patent Application Laid-Open No. 1983-1983 has been used as a temporary scaffolding device used when constructing the roofs of structures such as factories and warehouses.
There is one described in Publication No. 135670.

This is a system in which multiple scaffolding frameworks are formed in a rectangular shape along the slope of the roof and installed between scaffolding supports on both the left and right sides of the structure, and are spaced apart from each other in parallel and interconnected. At the same time, a scaffolding floor is provided between the upper sides of the scaffolding framework, and a temporary scaffolding is constructed. The equipment is moved to the work site and placed on the scaffolding floor to proceed with the roof construction work.

(Problem to be solved by the invention) In the conventional method, the temporary scaffolding is formed along the slope of the roof and is moved to the work site to perform the roof construction work, so the roof girder line is If a connecting beam, etc. is provided between the middle part of the direction (back and forth direction) and the lower part of the hands-on part, the connecting beam will become an obstacle when moving the temporary scaffold, and the temporary scaffold will be moved. It was something that could not be moved.

Therefore, an object of the present invention is to provide a temporary scaffolding device that allows the temporary scaffolding to be moved even if a connecting beam or the like is provided on the roof.

(Means for Solving the Problem) The technical means taken by the present invention to achieve the above-mentioned object is that the rail 23 installed between the left and right scaffold supports 2 and laid on both scaffold supports 2 moves back and forth. In the structure including a freely supported temporary scaffold 3, a plurality of temporary scaffolds 3 are erected between both scaffold supports 2 and spaced apart from each other in the front and back, and are movable back and forth on the rail 23. A pair of left and right lower scaffolding beam bodies 5 are arranged above each lower scaffolding beam body 5, and the other end of each lower scaffolding beam body 5 is vertically movable to the lower foot beam body 5 so that the other end faces each other. Rotating scaffolding beam body 8 that is freely pivotally connected
and a scaffold floor 30 provided between the left and right rotating scaffold beam bodies 8, and a left and right rotating scaffold beam body 8 is provided between the left and right rotating scaffold beam bodies 8 and the lower scaffold beam body 5. The point is that an elevating mechanism 12 that moves up and down is provided.

(Function) When constructing the roof 1 of a structure, the rotating scaffolding beam body 8 is tilted according to the roof slope by the lifting mechanism 12, and equipment, materials, etc. necessary for the work are placed on the scaffolding floor 30. By placing the temporary scaffolding 3 on the roof and changing the work place, the roof 1 of the structure can be removed.
We will proceed with the construction of When the temporary scaffolding 3 is moved, the rotating scaffolding beam body 8 is moved to the roof 1.
If the rotating scaffolding beam body 8 interferes with the connecting beam 29 etc., the lifting mechanism 12 will move the rotating scaffolding beam 8 to the connecting beam 29.
Rotate it downward to a position where it does not interfere with the

(Example) Hereinafter, an example of the present invention will be described based on the drawings. In FIGS. 1 to 4, 1 is a structure;
For example, on the roof of a factory, warehouse, etc., 2 is a side column frame on both left and right sides of the structure as a scaffold support, and on each side main frame 2, a rail 23 for an overhead crane is laid in the front-rear direction. Reference numeral 3 denotes a temporary scaffold constructed between the pillar frames 2 on both sides, and the temporary scaffold 3 consists of a plurality of (in this example, one
A pair of scaffolding frameworks 4 are provided, and each scaffolding framework 4 has a lower scaffolding beam body 5 having a length extending between the main frames 2 on both sides.
A column beam body 6 is connected to the lower side of both ends of the lower scaffold beam body 5 in a downwardly protruding manner, and a support beam is connected to the lower side of the lower scaffold beam body 5 midway in the longitudinal direction in a downwardly protruding manner. body 7, and a pair of left and right rotating scaffold beam bodies 8 disposed above the lower scaffold beam body 5, and the lower scaffold beam body 5 is positioned at each vertex of a square, as shown in FIG. A framework is constructed of arranged cylindrical pipe materials 9, a connecting member 10 that connects each pipe material 9, and circular joining flanges (not shown) provided at both ends of each pipe material 9. The connecting member 10 is made of a pipe material, a channel material, or the like, and is provided in a truss structure extending between adjacent pipe materials 9. The interior of the beam body 5 is hollow. In addition, the support beam body 6, the support beam body 7, and the rotating scaffold beam body 8 also have cylindrical pipe members 9 arranged at each vertex position of a square of the same size, similar to the lower scaffold beam body 5.
A framework is constructed from a connecting member 10 and a joining flange. Each of the beam bodies 5, 6, 7, and 8 has a framework structure having a desired length, or a framework structure in which mutual joining flanges are joined to each other and connected to a desired length.

As shown in FIG. 1, the left-right rotating scaffold beam body 8 is pivoted so that the other end thereof is vertically movable at pivot joints 11 on both sides of the lower scaffold beam body 5 so that the one end portions are opposed to each other. An elevating mechanism 12 is provided between both rotating scaffold beam bodies 8 and the lower scaffold beam body 5 which are connected to each other. This elevating mechanism 12 includes an elevating rod 14 that is supported by a support housing 13 provided at the center of the lower scaffolding beam body 5 so as to be relatively movable in the vertical direction, and is pivotably supported on the upper end of the elevating rod 14. A pair of left and right swinging rods 15 are provided, and the upper end of each swinging rod 15 is pivotally connected to both rotating scaffolding beam bodies 8. Further, the elevating rod 14 is configured to move relative to each other in the vertical direction within the support beam body 7. The support housing 13 includes a pair of wire guides 1.
6 is provided, one end of a wire 17 is fixed to one of the wire guides 16, and the other end of the wire 17 passes through a wire guide 18 at the lower end of the lifting rod 14, reaches the other wire guide 16, and further lowers. An operating winch 19 installed at the end of the scaffolding beam body 5
is connected to. By winding up and unwinding the operating winch 19, the lifting rod 14 is made vertically movable, and by the vertical movement of the lifting rod 14, the horizontally rotating scaffolding beam body 8 is rotated around the pivoting portion 11. It is configured so that Note that the wire 17 is configured to move within the lower scaffold beam body 5 and within the support beam body 7.

A wheel is mounted on a shaft at the lower end of each support beam body 6, and the wheel is movably mounted on a rail 23 on the side column frame 2, so that the temporary scaffolding 3 can be moved back and forth.

Reference numeral 20 denotes a pair of anti-deflection wires, one end of which is connected to both sides of one end of the lower scaffold beam body 5, and the other end is connected to each wire guide 21 on both sides of the lower end of the support beam body 7. , are connected to both sides of the other end of the lower scaffolding beam body 5. Both deflection prevention wires 20 are arranged below along the pipe material 9 of the so-called lower scaffolding beam body 5 and the support beam body 7, and are stretched under appropriate tension by a turnbuckle 22, a winch, etc. .

The support pipe 24 extends between the rotating scaffolding beam bodies 8 arranged in parallel in the scaffolding framework 4 configured as described above.
A safety net 25 is provided on the support pipe 24, a scaffold board 26 is provided on the safety net 25, and a scaffold floor 30 is constructed here. Further, a bellows-type safety net 27 that is extendable and retractable is installed between the rotating scaffold beam bodies 8 on both sides.

In the above configuration, when constructing the roof 1 of the structure, the rotating scaffolding beam body 8 is sloped to correspond to the slope of the roof, and equipment, materials, etc. necessary for the work are placed on the scaffolding floor 30, and temporary construction is performed. By moving scaffolding 3 and changing the work location, roof 1 of the structure
We will proceed with the construction of When the temporary scaffolding 3 moves, if the rotating scaffolding beam body 8 interferes with the connecting beam 29 provided in the middle of the roof 1 in the longitudinal direction (front-back direction) and extending between the lower parts of the palms, By lowering the lifting rod 14 and rotating the rotating scaffold beam body 8 downward, as shown in FIG.
What is necessary is to make it parallel to the lower scaffolding beam body 5. Also,
Since the rotating scaffolding beam body 8 is vertically movable, the rotating scaffolding beam body 8 can have an inclination corresponding to various roof slopes.

(Effects of the invention) According to the invention, a plurality of temporary scaffolds 3 are erected across both scaffold supports 2 and spaced apart from each other in the front and back, and are supported on the rails 23 so as to be movable back and forth. A pair of left and right lower scaffolding beam bodies 5 are arranged above each lower scaffolding beam body 5, and the other end is pivotally connected to the lower scaffolding beam body 5 so that the lower scaffolding beam body 5 can freely move vertically. It comprises a rotating scaffolding beam body 8, and a scaffolding floor 30 provided between the left and right rotating scaffolding beam bodies 8, and a scaffolding floor 30 provided between the left and right rotating scaffolding beam bodies 8 and the lower scaffolding beam body 5. Since a lifting mechanism 12 for vertically moving the left-right rotating scaffolding beam body 8 is provided between them, when building the roof 1 of a structure, the rotating scaffolding beam body 8 can be adjusted to correspond to the slope of the roof 1. When moving the temporary scaffolding 3 back and forth in an inclined state, when the rotating scaffolding beam 8 interferes with the connecting beam 29 of the roof 1, the lifting mechanism 12 moves the rotating scaffolding beam 8 to the connecting beam 29. It can be lowered to a position where it does not interfere with the
The work can be carried out smoothly, and since the rotating scaffolding beam body 8 is vertically movable, the rotating scaffolding beam body 8 can be made to have an inclination corresponding to the slope of the roof 1, which is of great practical benefit.

[Brief explanation of drawings]

Fig. 1 is a front view showing an embodiment of the present invention, Fig. 2 is an enlarged view of the main parts, Fig. 3 is a view taken along the line in Fig. 2, and Fig. 4 is a cross-sectional view taken in Fig. 2 - taken in the direction of the line. It is. 2... Side main frame (scaffolding support), 3... Temporary scaffolding,
5...Lower scaffolding beam body, 6...Column beam body, 7
...Support beam body, 8...Rotating scaffolding beam body, 1
2... Lifting mechanism, 23... Rail, 30... Scaffolding floor.

Claims (1)

[Scope of Claim for Utility Model Registration] A temporary scaffold 3 installed between the left and right scaffold supports 2 and supported by a rail 23 laid on both scaffold supports 2 so as to be movable back and forth, wherein said temporary scaffold 3 A plurality of lower scaffolding beam bodies 5 are constructed across both scaffolding supports 2 and spaced apart from each other, and are supported on the rails 23 so as to be movable back and forth, and each of the lower scaffolding beam bodies 5 Rotating scaffolding beam bodies 8 are arranged in a pair on the left and right above, and the other end of each is pivotally connected to the lower scaffolding beam body 5 so as to be movable up and down so that the respective one ends are opposed to each other;
A scaffold floor 30 is provided between each of the left and right rotating scaffold beam bodies 8, and the left and right rotating scaffold beam body 8 is provided between the left and right rotating scaffold beam bodies 8 and the lower scaffold beam body 5. A temporary scaffolding device characterized by being provided with an elevating mechanism 12 for moving.