JPH026184Y2 - - Google Patents

Description

[Detailed explanation of the invention] A. Purpose of the invention Industrial application field This invention relates to the improvement of the building frame of a framework that serves as the skeleton of a working scaffold installed around the outer periphery of a building in construction work.

Conventional Technology As shown in Figure 4, the structure was a symmetrical torii gate, so when the framework scaffold was being assembled or dismantled, there was no place for workers to grab onto the top layer, posing a risk of falling. Therefore, as shown in Figs. 5 and 6, a horizontal main rope 6 is stretched at a height of 75 to 80 cm from the arm 2 that supports the topmost scaffolding board or cloth frame 4 during the work, and a lifeline 7 is attached. I had to use it. Therefore, there was a problem that work efficiency decreased.

Problems that the invention aims to solve: In order to be able to assemble and dismantle without using a main rope or lifeline, we will devise a building frame in which a part of the building frame on the lower floor functions as a handrail post.

B. Structure of the idea Means for solving the problem Two construction members 1 of the same length as shown in Figure 1
a, 1b are arranged parallel to each other with alternating shifts, and the end of one building site member, that is, the inner building site member 1a, is connected to the middle part of the other building site member, that is, the outside building site member 1b, by a cross arm 2, A fixed building frame for a framed scaffold is used, assembled as shown in FIG. 2 so that the inner construction member 1a is located on the building side, and used for a framed scaffold.

Operation: On the floor being demolished, the upper half of the outer construction member 1b of the lower floor always protrudes, and the handrail 3 is attached to this. The presence of the handrail makes it possible to attach a handrail 5 (see FIG. 3) for fall prevention.

Example In the example shown in FIG. 1, the building material 1a,
In order to reinforce the rigidity of the connecting part between 1b and arm 2,
The reinforcing member 1c was attached using a conventional method. It should be noted that if the reinforcing member 1c' is also attached to the upper half of the outer construction member 1b, the stability of the framework scaffolding will be improved, but care must be taken as this will narrow the passage width.

Separately, as shown by the dotted line at the bottom of the figure, short and small building materials, namely inner base building material 1a', and a half-story building with a height approximately half the height of the building frame are also included. A base building frame for the lowest floor is created by connecting and fixing the member 1b' with the arm 2'.

Then, as shown in Figures 2 and 3, the base building frame is placed around the building with the inner base building member 1a' facing the building and at a predetermined interval, and the inner base building member 1a' is placed on top of the base building frame. Assemble the building frame in sequence so that 1a faces the building.

Furthermore, a handrail 3 is provided between the upper end of the outer building material 1b and the adjacent building frame. Furthermore, a handrail 5 is attached to the middle of the handrail 3 between it and the cloth frame 4 below.

C. Effects of the invention It is possible to work without using a parent rope or a lifeline during assembly and disassembly.

Furthermore, the handrail 5 for fall prevention can be attached from below the brace 8, contributing to safety.

[Brief explanation of the drawing]

FIG. 1 is an elevation view showing an embodiment of the building frame according to the present invention, and FIGS. 2 and 3 are an elevation view and a side view showing the use state of the building frame according to the present invention. Figure 4 is an elevation view showing an example of a conventional building frame;
FIG. 6 is an elevation view and a side view showing the state in which a conventional building frame is used. 1a...Inner construction member, 1b...Outer construction member, 1c, 1c'...Reinforcement member, 1a'...Inner base construction member, 1b'...Outer base construction member, 2,
2'... Arm bar, 3... Handrail, 4... Cloth frame, 5...
Baluster, 6... Parent rope, 7... Lifeline, 8... Brace.

Claims (1)

[Scope of utility model registration request] Two construction members 1a and 1b of the same length are arranged parallel to each other with alternating shifts, and one construction member 1a
A building frame for a framed scaffold, characterized in that an end portion of the construction member 1b and a middle portion of the other construction member 1b are connected and fixed by a support arm 2.