JP6275598B2 - Auxiliary hooks attached to the temporary scaffolding linkage - Google Patents

Description

The present invention relates to an auxiliary latch attached to a temporary scaffolding connection mechanism constructed at a construction site or a civil engineering site.

For example, as described in Japanese Patent Application Laid-Open No. H10-228707, a scaffold temporarily provided at a construction site or the like uses a pillar pipe made up of a plurality of pipes, and this pillar pipe usually has a temporary scaffold connection mechanism described below. Is provided. That is, the U-shaped latch (hook mounting bracket) having a taper that opens upward in the middle of the support pipe is formed in four directions east, west, south, and north (that is, 0 degrees, 90 degrees, 180 degrees in the circumferential direction A wedge attached to the end of the horizontal pipe is tightly fitted to the 270 degree position (hereinafter also referred to as a first to fourth latch).

And since this latching metal requires sufficient strength, the four latching metal fittings are not attached at the same height position of the support pipe, and the first and third 2 are located at the 0 degree and 180 degree positions. Two latching brackets are attached, and the second and fourth latching brackets are provided at positions of 90 degrees and 270 degrees by changing the height in the vertical direction. Therefore, when attaching four latching brackets to the column pipe, the first, third and second and fourth latching plates facing each other with the column pipe in the center change the height of the column pipe. (See FIG. 3 of Patent Document 1).

JP 2006-16856 A

However, when assembling the work floor (seat) using the temporary scaffolding coupling mechanism having the first to fourth latches arranged at different heights, the first and third latches are used. If the work floor assembled using the work floor and the work floor assembled using the second and fourth hooks are configured, the height of the assembled work floor will be different, and there is a problem that it is difficult for the worker to walk. It was.

The present invention has been made in view of such circumstances, and an auxiliary hook attached to a connection mechanism for a temporary scaffolding that can form a working floor of the same level by using hooks at different heights attached to the same column pipe. The purpose is to provide a stop.

Auxiliary latches attached to the temporary scaffolding connection mechanism according to the present invention that meets the above-mentioned object are the first to fourth latching brackets having a U-shaped cross section and a height H, into which the wedge material to be coupled can be inserted. The strut pipes are fixed at 0, 90, 180 and 270 degrees, and the first and third hooks are at least a distance H from the second and fourth hooks. Auxiliary hooks attached to the temporary scaffolding coupling mechanism fixed to the upper position of the support pipe,
The wedge material has a wedge space portion that can be tightly fitted, and in use, the auxiliary hook portion mounted on the second hook metal fitting is connected to both sides of the auxiliary hook portion, In use, it has first and second mounting parts having a U-shaped cross-section surrounding the first and third retaining brackets from the outside, and the first and second mounting parts are opposed to each other. The end plate is open with a space larger than the diameter of the strut pipe.

In the auxiliary latch attached to the temporary scaffold connection mechanism according to the present invention, the first and second mounting parts having a U-shaped cross section include a starting end plate part coupled to the auxiliary latch part, The end plate portion opposed to the start plate portion, the stopper plate bent inward at the lower end of the end plate portion, and the distance between the inner end of the stopper piece and the start plate portion Is preferably larger than the width of the first and third hooks.

Further, in the auxiliary latch attached to the temporary scaffolding connection mechanism according to the present invention, the auxiliary latch is preferably formed by bending a single plate.

In the auxiliary latch attached to the temporary scaffold connection mechanism according to the present invention, the height of the auxiliary latch is the same as the height of the first and third latches (plus or minus 10% error). Preferably).
In addition, the material of an auxiliary | assistant latch is an iron plate (steel plate), an aluminum plate, FRP, other hard plastics, etc., and also a forged product, a cast product, and a press-worked product may be sufficient.

In the auxiliary latch attached to the temporary scaffold coupling mechanism according to the present invention, the auxiliary latch is mounted on the conventional temporary scaffold coupling mechanism, and the auxiliary latch is placed on the second latch. Therefore, the auxiliary latch can be formed at a position above the positions of the conventional second and fourth latches. Therefore, the height of the work floor attached to the support pipe can be made substantially constant.

Further, the opposing terminal plate portions of the first and second mounting portions whose cross sections are bent in a U shape in plan view are opened, and the open width is larger than the diameter of the support pipe, This auxiliary latching device can be mounted from the middle of the support pipe and attached to the temporary scaffolding connection mechanism.

In particular, in the case where each end plate portion on both sides of the auxiliary latch is bent inward or has stopper pieces, if the wedge material is inserted into the wedge space formed at the intermediate position of the auxiliary latch, the auxiliary latch The stopper is pulled toward one side, the stopper piece bites into the lower ends of the first and third hooks, and the auxiliary hook cannot be removed from the temporary scaffolding connection mechanism.

Further, when the distance between the inner end of the stopper piece and the starting end plate is larger than the width of the first and third hooks, the auxiliary hook is removed with the wedge material removed from the wedge space. Can be freely moved up and down with respect to the temporary scaffolding connection mechanism.

It is a front view of the auxiliary latch attached to the connection mechanism for temporary scaffolds which concerns on one embodiment of this invention. It is drawing which shows the auxiliary | assistant latch, Comprising: (A) is a front view, (B) is a top view, (C) is a left view, (D) is a right view, (E) is a bottom view. . It is AA sectional drawing in FIG. It is a top view of the state which attached the auxiliary latch. (A) is a top view of the connection mechanism for temporary scaffolds, (B) is a front view.

Next, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows an auxiliary latch 10 attached to a temporary scaffolding connection mechanism 11 according to an embodiment of the present invention. First, the temporary scaffold connection mechanism 11 will be described.

As shown in FIGS. 5 (A) and 5 (B), the temporary scaffolding coupling mechanism 11 has first to fourth hooks 13 to 16 attached by welding around the support pipe 12. Yes. The first to fourth hooks 13 to 16 have the same shape and a U-shaped cross section, and the side pieces 17 and 18 are parallel, but the groove bottom piece 19 is tapered upward. The wedge material 21 attached to the end of the horizontal pipe 20 or the like can be inserted from above.

The first to fourth latches 13 to 16 each having a height H are fixed at the 0, 90, 180 and 270 positions of the support pipe 12, and the first and third latches are also provided. The fasteners 13 and 15 are fixed to the upper position of the support pipe 12 by a distance L of at least H from the second and fourth fasteners 14 and 16. Note that L is preferably in the range of (1 to 1.3) H. Further, the width of the first to fourth hooks 13 to 16, that is, the outer distance of the side pieces 17 and 18 is 39 to 41 mm with respect to the diameter of the column pipe 12, for example, 48.6 mm. Have.

On the other hand, as shown in FIGS. 1, 2 (A) to (E), 3 and 4, the auxiliary latch 10 attached to the temporary scaffold coupling mechanism 11 is an auxiliary projecting outward in the center. It has a substantially U shape in plan view having the latching portion 23. The auxiliary latch 10 is connected to the auxiliary latch 23 mounted on the second latch 14 and both sides of the auxiliary latch 23 in use. 1. First and third mounting brackets 13 and 15 having first and second mounting parts 24 and 25 having a U-shaped cross section surrounding the outside from the outside are integrally connected. The auxiliary latch 10 can be formed by bending a single plate or welding a plurality of plates. Note that the inner groove portion of the auxiliary latching portion 23 that is U-shaped in plan view has a wedge space portion 27 into which the wedge material 21 can be tightly fitted. Therefore, the shape of the auxiliary latching portion 23 is the same as that of the first to fourth latching fittings 13 to 16.

Then, the end plate portions 28 and 29 of the first and second mounting portions 24 and 25 are arranged to face each other, and a space portion 30 (that is, open) is formed therebetween, and the horizontal width W of the space portion 30 is formed. Is larger than the diameter of the support pipe 12, and the auxiliary latch 10 is placed at an arbitrary position (in use, it is necessary to be above the second and fourth latches 14 and 16). Thus, it can be attached to and detached from the support pipe 12.

The first and second mounting portions 24 and 25 having a U-shaped cross section of the auxiliary latch 10 have start end plate portions 32 and 33 and start end plate portions 32 and 33 connected to the auxiliary latch portion 23. End plate portions 28 and 29 disposed opposite to each other, stopper portions 34 and 35 bent inward at the lower ends of the end plate portions 28 and 29, respectively, and inner ends 36 of the stopper pieces 34 and 35, respectively. , 37 and the start end plate portions 32 and 33 are made larger than the widths (horizontal widths) of the first to fourth latch members 13 to 16. When the wedge material 21 is pulled out from the auxiliary hooking portion 23, the stopper pieces 34 and 35 are hooked on the lower ends of the first and third hooking members 13 and 15, and the auxiliary hooking device 10 is To prevent it from coming out.

Thereby, when the wedge material 21 is inserted into the wedge space portion 27, the lower end (stopper pieces 34, 35) of the auxiliary latch 10 is latched to the lower ends of the first and third latch fittings 13, 15. The auxiliary hook 10 can be removed from the first and third hooks 13 and 15 by removing the wedge material 21 from the wedge space 27.

Next, the usage method of this auxiliary | assistant latch 10 is demonstrated. In the existing temporary scaffold coupling mechanism 11, the auxiliary latch 10 is mounted on the second and fourth latches 14 and 16. In this case, the auxiliary latching portion 23 is placed on the second latching metal 14. The stopper pieces 34 and 35 at the lower ends of the end plate portions 28 and 29 of the auxiliary latch 10 can be hooked at the lower ends of the side piece portions 18 and 17 of the first and third latch fittings 13 and 15. The wedge material 21 is inserted into the auxiliary hooking portion 23. As a result, the height of the mounting position of the horizontal pipe 20 connected to the wedge member 21 is substantially the same as the height of the horizontal pipe 20 mounted to the first and third hooks 13 and 15.

In the auxiliary latch attached to the temporary scaffold connection mechanism according to the present invention, the height of the auxiliary latch is the same as the height of the first and third latches (including an error of plus or minus 10%). It is preferable that
The present invention is not limited to the above-described embodiment, and the configuration thereof can be changed without changing the gist of the present invention.

10: Auxiliary latches attached to the temporary scaffolding connection mechanism, 11: Temporary scaffolding connection mechanism, 12: Strut pipe, 13-16: First to fourth latching brackets, 17, 18: Side piece, 19: groove bottom piece, 20: horizontal pipe, 21: wedge material, 23: auxiliary hooking portion, 24, 25: first and second mounting portions, 27: wedge space portion, 28, 29: end plate portion, 30: Space portion, 32, 33: Start plate portion, 34, 35: Stopper piece, 36, 37: Inner end

Claims (4)

The first to fourth hooks having a U-shaped cross section and a height H that can be fitted with the wedge material to be connected are fixed at the 0, 90, 180, and 270 degree positions of the support pipe, The first and third hooks are auxiliary hooks attached to the temporary scaffolding coupling mechanism fixed to the upper position of the support pipe by a distance of at least H from the second and fourth hooks. There,
The wedge material has a wedge space portion that can be tightly fitted, and in use, the auxiliary hook portion mounted on the second hook metal fitting is connected to both sides of the auxiliary hook portion, In use, it has first and second mounting parts having a U-shaped cross-section surrounding the first and third retaining brackets from the outside, and the first and second mounting parts are opposed to each other. An auxiliary latch attached to a temporary scaffolding coupling mechanism, wherein the end plate has a space larger than the diameter of the support pipe and is open. The auxiliary latch attached to the connection mechanism for temporary scaffolds according to claim 1, wherein the first and second mounting parts having a U-shaped cross section are a start plate part coupled to the auxiliary latch part, The end plate portion opposed to the start plate portion, each having a stopper piece bent inwardly at the lower end of the end plate portion, and the inner end of the stopper piece and the start plate portion The auxiliary latch attached to the temporary scaffolding connection mechanism, wherein the distance is larger than the width of the first and third latches. The auxiliary latch attached to the temporary scaffold connection mechanism according to claim 1 or 2, wherein the auxiliary latch is formed by bending a single plate. Auxiliary clasp mounted. The auxiliary latch attached to the connection mechanism for temporary scaffolds of any one of Claims 1-3 WHEREIN: The height of the said auxiliary latch part is the same as the height of the said 1st, 3rd latch. An auxiliary latch that is attached to a temporary scaffolding connection mechanism.

Images