JPH0635499U - Mounting bracket for handrail support for construction - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] During construction work, when installing temporary handrails on the openings formed in the concrete slab or the outer edges of the concrete slab, it is easy before placing concrete. The present invention provides a mounting bracket for a handrail prop that can be installed on a concrete rail and does not require the trouble of dismantling it once when pouring concrete and then re-installing it after pouring. [Structure] A hollow cylindrical mounting portion 1 having a cutout portion 1a is fixed to a pedestal 2 on which a support leg 3 having a through hole 3b for nailing is formed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mounting bracket for a handrail post when a temporary handrail is installed at an opening formed in a concrete slab or an outer end of the concrete slab in construction work.

[0002]

[Prior art]

 Conventionally, a method of installing a temporary handrail at the opening formed in the concrete slab or at the outer end of the concrete slab is, for example, when installing at the opening, concrete is placed on the slab formwork. After casting and curing, a guard post was used to fix the inner wall of the opening at a desired position and at a desired interval, and a single pipe was horizontally connected to the upper part of the guard post with a connecting fitting or the like.

[0003]

[Problems to be solved by the device]

 In the above-mentioned guard post of the conventional method, the slab is fixed to the inner wall side of the opening formed in the concrete slab while being sandwiched vertically. Cannot install handrails. In addition, even if the guard post is fixed by holding the mold on the inner wall side of the slab opening or the splint before the concrete is placed, there is concern about the mounting strength, and at the time of concrete placement, It has to be dismantled once after the concrete is placed, and after the concrete is cured, it needs to be re-installed.

[0004]

[Means for Solving the Problems]

 The present invention has been made in view of the above-mentioned conventional problems, and its purpose is to easily and safely attach the mounting bracket of the handrail support to the slab formwork before placing the slab concrete, and for temporary installation. The handrail can be installed in the slab opening, and once the slab concrete is placed, the temporary handrail is dismantled, and the concrete handrail is placed and cured, and then reinstalled. It is to provide a mounting bracket for a handrail strut that has excellent workability.

As a means thereof, a hollow cylindrical mounting portion having a cutout portion for preventing a single pipe from coming off is fixed to a pedestal in which at least two supporting legs having through holes for nailing are formed. Characterize.

With the above structure, since the support leg has the through hole for nailing, the nail can be easily and safely fixed to the slab formwork by nailing. Since the mounting part is formed in a tubular shape, it is easy to mount a single pipe used as a handrail support, and the single pipe is securely mounted because it is a hollow body with a notch to prevent falling out. be able to. Also, when concrete is cast, the handrail support is easily removed even after the slab concrete is placed by covering the lower part of the handrail support with a paper tube, etc. by the depth to be embedded in the concrete slab. As a result, there is no need to dismantle the temporary handrail once when placing concrete, and then re-install it after placing. Moreover, when the temporary handrail is finally disassembled, the handrail support is removed, and the hole formed after the handrail support is filled with mortar can be easily repaired. Is.

[0007]

【Example】

 Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a cross-sectional view of an essential part showing the embodiment of the present invention, and FIG. 3 is a plan view showing the embodiment of the present invention. A pedestal 2 extending downward is integrally formed with a support leg 3 having a through hole 3b for nailing provided at an appropriate position on a horizontal side 3a of a tip to be grounded. Next, along the outer periphery of the hollow cylindrical mounting portion 1 having a slightly larger diameter on the lower side, substantially L-shaped cutout portions 1a, 1a for preventing the single pipe from coming off are formed facing each other. It is integrally formed on the upper surface of the pedestal 2. Also, by covering the horizontal side 3a of the tip that comes in contact with the mold surface with a resin material, etc. (not shown), it is possible to save labor for rust treatment of the horizontal side 3a exposed under the concrete slab after the mold is disassembled. Alternatively, as shown in FIG. 8, by forming the support legs 13 at four places, concrete can be reliably filled under the pedestal 12 and the ground contact surface to the formwork becomes small, so that the formwork dismantling can be performed. After that, the fact that the support leg 13 is less exposed from the concrete surface can be easily inferred from the present invention.

Next, a description will be given of an example of using the mounting bracket for the handrail support pole for construction according to the embodiment of the present invention. FIG. 4, FIG. 5, FIG. 6, and FIG. 7 are cross-sectional views of main parts for sequentially explaining the progress of the usage example of the embodiment of the present invention. As shown in FIG. 4, the mounting bracket of the present invention is nailed and fixed to the form A by the through holes 3b, 3b formed at the tips of the supporting legs 3, and as shown in FIG. The single pipe 100 is fitted over the upper portion of the mounting portion 1, and the pin portion 101 attached to the single pipe 100 is hooked on the notch 1a and fixed to form a handrail post. At that time, a paper tube C having a length such that the single pipe 100 is embedded in the concrete when pouring concrete, or a half sleeve or the like is inserted or wound below the upper part of the single pipe 100. , Coat the single tube 100. Similarly, handrail support columns are installed, and then, as shown in FIG. 6, single pipes 102 are horizontally connected between the handrail support columns to install temporary handrails. After that, when dismantling the temporary handrail, as shown in FIG. 7, after removing the handrail support column 100 and the paper tube C, the holes formed after the removal with mortar E and the like, together with the mounting bracket, It will be buried.

[0009]

[Effect of device]

 As described above in detail, according to the mounting bracket for the handrail prop for construction of the present invention, since the support leg has the through hole for nailing, the nailing is performed on the slab formwork easily and safely. It is a hollow body that can be fixed and, moreover, can be easily attached to a single pipe used as a handrail strut because the mounting part is formed in a tubular shape, and has a notch part to prevent it from coming off. Therefore, a single pipe can be attached securely, and workability and processing reliability are extremely excellent. Also, when concrete is cast, the handrail support can be easily removed even after the slab concrete is placed by covering the lower part of the handrail support with a paper tube or the like by the depth to be embedded in the concrete slab. Therefore, there is no need to dismantle the temporary handrail once when placing concrete, and to reinstall it after pouring, and when finally dismantling the temporary handrail, remove the handrail post. Since the repair work can be done easily by filling the mortar into the holes formed after removal, it is possible to expect work efficiency and work efficiency to be improved. Can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a side view showing an embodiment of the present invention.

FIG. 3 is a plan view showing an embodiment of the present invention.

FIG. 4 is a cross-sectional view of essential parts showing a usage state of an embodiment of the present invention.

FIG. 5 is a cross-sectional view of essential parts showing a usage state of an embodiment of the present invention.

FIG. 6 is a cross-sectional view of essential parts showing a usage state of an embodiment of the present invention.

FIG. 7 is a cross-sectional view of essential parts showing a usage state of an embodiment of the present invention.

FIG. 8 is a perspective view showing another embodiment of the present invention.

[Explanation of Codes] 1, 11 Mounting part 1a Notched part 2, 12 Pedestal 3, 13 Support leg 3a, 13a Horizontal side 3b, 13b Through hole A Slab form B B nail C Paper tube D Connecting fitting E Mortar F Concrete slab 100 Handrail support (single pipe) 101 Pin part 102 Single pipe (horizontal material)

Claims (1)

[Scope of utility model registration request] 1. A hollow cylindrical mounting portion having a cutout portion for preventing a single pipe from coming off is fixed to a pedestal in which at least two supporting legs having through holes for nailing are formed. Mounting bracket for the handrail prop for construction.