JP2001248300A - Fixing tool for scaffolding board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing tool for a scaffolding board, by which the scaffolding board can be flatly mounted safely and securely on a scaffolding pipe and dismantled and which enables the construction of scaffolding to be efficiently and economically performed. SOLUTION: The fixing tool for the scaffolding board is constituted of a scaffolding board receiving plate and a tightening tool with a scaffolding board stopper. The scaffolding board receiving plate is provided with a holding part for fixing the scaffolding pipe, a hole for fixing the scaffolding board and a hole for the scaffolding board stopper.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture capable of safely and securely attaching a scaffold plate to a scaffold pipe at a construction site or the like without any step.

[0002]

2. Description of the Related Art In assembling a scaffold at a construction site or the like, when laying a passage by adding a scaffold plate, conventionally, an end of a scaffold plate to be added is superimposed on an end of a scaffold plate laid on an assembled scaffold pipe. In general, a method of fixing a superposed portion to a scaffold pipe with a track or the like is employed (see FIG. 4). However, scaffolding boards (passages) laid in this way have a step at the joints of the overlapping scaffolding boards, which may cause stumbling of construction workers or (load) spilling from construction barrows (carriers). In extreme cases, the wheelbarrow itself may fall off the passage or fall. Therefore, as shown in FIG. 5, another scaffold pipe is assembled adjacent to the existing scaffold pipe in parallel so as not to cause a step at the seam of the scaffold plate (passage), and (added) on the scaffold pipe. A scaffold plate is installed flat on an extension of the existing scaffold plate end without adding the end of the scaffold plate to the end of the existing scaffold plate.

[0003]

However, this method of arranging scaffolding pipes (passages) side by side by arranging scaffolding pipes requires a large number of scaffolding pipes, and requires a large amount of work for assembling the scaffolding pipes. There is a problem that the number of work and the number of days increase. Furthermore, in any of the above methods, the scaffold plate is fixed to the scaffold pipe by winding a strong metal wire or the like (see FIGS. 4 and 5). Take it. Also, during the assembly work of the scaffold, pieces of the track and chips are stabbed in hands and feet, etc.After assembling the scaffold, construction workers wearing rubber boots, underground tabs, etc. There is also the problem of getting injured by stepping on.

[0004] It is an object of the present invention to provide a scaffold plate fixing device which can securely and securely attach a scaffold plate to a scaffold pipe and disassemble the scaffold, so that the scaffold can be assembled efficiently and economically. That is.

[0005]

In order to achieve the above object, the present invention comprises one or more scaffolding pipe fixing holding portions, one or more scaffolding plate fixing holes, and one or more scaffolding plate stopper holes. A scaffold plate fixing device comprising a scaffold plate receiving plate and a fastener with one or more scaffold plate stoppers, wherein the scaffold plate fixing holes are provided so as to be located in gaps between the juxtaposed scaffold plates. And, the hole for the scaffold plate stopper is provided so as to be located in the vicinity of the hole for fixing the scaffold plate and near the inside of the folded end of the scaffold plate, so that the fastener with the scaffold plate stopper is used for fixing the scaffold plate. The scaffold plate fixing device, wherein the scaffold plate is fixed to the scaffold plate receiving plate by being inserted into the hole and the scaffold plate stopper hole, and the scaffold plate is prevented from being detached.

According to the present invention, there is provided a scaffold plate receiving plate provided with at least one scaffold pipe fixing holding portion, at least one scaffold plate fixing hole, and at least one scaffold plate stopper hole, a bolt and a scaffold plate pressing plate. A scaffold plate fixing tool comprising at least one scaffolding plate stopper with a scaffolding plate stopper nut, wherein the scaffolding plate fixing holes are provided in gaps between the juxtaposed scaffolding plates. And the hole for the scaffold plate stopper is provided so as to be located in the vicinity of the scaffold plate fixing hole and near the inside of the folded end of the scaffold plate, so that the nut with the scaffold plate stopper is used for the scaffold plate stopper. Insert the bolt into the hole for fixing the scaffold plate, fix the scaffold plate to the scaffold plate receiving plate with the bolt, scaffold plate holding plate and scaffold plate stopper nut, and detach the scaffold plate with the scaffold plate stopper. To Configuration was able to stop, which is the scaffold board fixture according to claim.

The present invention provides a scaffold plate receiving plate provided with a plurality of scaffold pipe fixing holding portions, a plurality of scaffold plate fixing holes, and a scaffold plate stopper hole having twice the number of the scaffold plate fixing holes. A scaffolding plate fixing device comprising a plurality of scaffolding plate stoppers comprising a bolt, a scaffolding plate holding plate, and a nut with two scaffolding plate stoppers, wherein the scaffolding plate fixing holes are:
The scaffold plate stopper holes are provided so as to be located in gaps between the scaffold plates arranged side by side, and the holes for the scaffold plate stoppers are located in the vicinity of the scaffold plate fixing holes and near the inside of the folded ends of the parallel scaffold plates. Is provided so that the nut with the scaffold plate stopper is inserted into the hole for the scaffold plate stopper, the bolt is inserted into the hole for fixing the scaffold plate, and the bolt, the scaffold plate holding plate, and the nut with the scaffold plate stopper are used for scaffolding. The scaffold plate fixing device, wherein the plate is fixed to a scaffold plate receiving plate, and the scaffold plate stopper is configured to prevent detachment of the scaffold plate.

[0008] In the present invention, the scaffold pipe fixing and holding part may be
Each of the scaffold plate fixing tools is an annular portion capable of holding the scaffold pipe or a clamp portion capable of fixing and holding the scaffold pipe.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view (including a partially imagined part) of an assembled state of a scaffold plate (passage) assembled using the scaffold plate fixing device of one embodiment of the present invention. FIG.
FIG. 2 is a side sectional view showing an assembled state of the scaffold plate (passage) of FIG. 1. FIG. 3 is a side view of the fastener with the scaffold plate stopper in FIG. 1.

A scaffold plate fixing device 1 according to an embodiment of the present invention shown in FIG. 1 basically comprises a scaffold plate receiving plate 2 and a fastening device 3 with a scaffold plate stopper.

On the back surface of the scaffold plate receiving plate 2, two clamp portions 4 (as scaffolding pipe fixing and holding portions) are fixedly provided. The clamp part 4 has a semicircular inner peripheral surface slightly larger than the outer periphery of the single pipe 14 so that the clamp part 4 can be firmly fixed (held) to the single pipe 14 for setting the passage of the scaffold plate 13 (scaffold plate). A fixed portion 7 (to the receiving plate 2), a semi-annular portion 8 having the same inner peripheral surface that is rotatably supported at one end thereof and a screw mechanism 9 that tightens and releases the other ends thereof. Become. Instead of the clamp portion 4 for attaching the scaffold plate receiving plate 2 to the single pipe 14 (for passage installation), an annular portion 4 ′ having an inner periphery slightly larger than the outer periphery of the single tube pipe 14 on the back surface of the scaffold plate receiving plate 2. May be provided by screws or welding.
In this case, the single pipe 14 (for passage installation) is passed through the annular portion 4 'in advance, and the scaffold plate receiving plate 2 is
), And then it is necessary to assemble the single pipes (together). Each of the clamp portions 4 (or the annular portions 4 ′) is provided with a scaffold plate 13 such that the respective scaffold plate receiving plate 2 is stably fixed to the single pipe 14.
So that they are located along the (each) addition
Preferably, they are arranged at the position intervals shown in FIG.

The scaffold plate receiving plate 2 is further provided with through holes (scaffold plate fixing holes) 5 for attaching the fasteners 3 and fixing the scaffold plate 13.
In the vicinity (periphery) of the hole 5 for fixing the scaffold plate, a through hole (a hole for a scaffold plate stopper) 6 for a scaffold plate stopper (insertion) for preventing detachment of the scaffold plate 13 is provided. Are provided two by two (a total of four). The holes 5 for fixing the scaffold plate are provided on both sides of the single pipe 14 (for setting the passage), and the two scaffold plates 13 which are assembled in parallel.
It is provided so that it may be located in the gap between them. The holes 6 for the scaffolding plate stoppers are on both sides of the holes 5 for fixing the scaffolding plate, and the stoppers 12a (of the fasteners 3) to be inserted into the respective holes are located under the respective scaffolding plates 13 (two pieces to be assembled). The scaffold plate 13 is provided so as to be located near the inside of the end of the folded portion 13a, which can prevent the scaffold plate 13 from coming off (displaced) when hitting the folded portion 13a.

The tightening device 3 with a scaffold plate stopper comprises a bolt 10, a scaffold plate holding plate 11, and a nut 12 with two scaffold plate stoppers 12a. The scaffolding plate holding plate 11 may be a flat plate, but as shown in FIG. 3, the one whose end portion is slightly bent toward the nut 12 side is preferable because it has a spring function and the tightened bolt 10 is hard to be loosened. In the center of the scaffold plate holding plate 11, a through hole 11 having a diameter smaller than the head of the bolt 10 and larger than the shaft (screw) portion.
a is provided. The stopper 12a fixed to the one screw opening side of the nut 12 (by welding) is a vertical protrusion extending in the direction opposite to the nut (bolt) screwing direction, and is a scaffold plate of the scaffold plate receiving plate 2. When the scaffold plate 13 is assembled, the projection that penetrates the stopper hole 6 and penetrates the hole 6 hits the turn-back 13a, thereby preventing the scaffold plate 13 from coming off. A through hole having a size that allows the screw portion 10a of the bolt 10 to be screwed into the nut 12 is formed in the welded portion (center) on the screw opening side of the nut.

Next, assembling of a scaffold plate (passage) using the scaffold plate fixture 1 will be described. First, a scaffold is assembled with a single pipe, the clamp portion 4 is attached to a single pipe 14 for setting a passage, and the scaffold plate receiving plate 2 is horizontally fixed on the upper side (of the single pipe 14). Between the single pipe 14 and the (next) single pipe 14, that is, on the scaffold plate receiving plate 2 and the (next) scaffold plate receiving plate 2, the end of the scaffold plate 13 is substantially a single pipe pipe. Put it on top of it. The scaffolding plates 13 are added in two rows with a slight gap therebetween to form a scaffolding plate passage. The passages are formed by arranging the scaffold plates 13 so that this gap is located directly above the scaffold plate fixing holes 5 of the scaffold plate receiving plate 2. Then, the scaffold plate holding plate 1 is positioned so that the through hole 11a is located in the gap (of the scaffold plates 13 arranged in parallel) immediately above the scaffold plate fixing holes 5 (of the scaffold plate receiving plate 2).
1, and the bolt 10 (the screw portion 10a thereof) is inserted into the through hole 11a and the scaffold plate fixing hole 5 from above. The nuts 12 with the scaffold plate stoppers are attached from the lower side of the scaffold plate receiving plate 2 so that the screw portions of the nuts 12 are located at the tips of the screw portions 10a of the bolts 10 projecting downward, and each of the scaffold plate stoppers 12a is attached. After passing through the holes 6 for the stoppers of the scaffold plate on both sides (of the holes 5 for fixing the scaffold plate), the bolts 10 are tightened and the scaffold plate 13 is attached to the scaffold plate receiving plate 2 on the single pipe.
Fixed to. Similarly, the scaffold plate 13 is fixed on the scaffold plate receiving plate 2 at another position. By repeating this procedure, the assembly of the scaffold plate (passage) is completed. To disassemble the scaffold (passage), perform the above procedure in reverse.

[0015]

According to the scaffold plate fixing device of the present invention, a scaffold plate can be easily and reliably installed by adding a scaffold plate flatly on a single scaffold pipe without any level difference, which is excellent in ensuring the safety of construction. The number of scaffolding pipes used is small, and the scaffolding pipes are efficient and economical in terms of the amount of work for assembling the scaffolding pipes, the labor and time required. Further, in the present invention,
Since a metal wire or the like is not used, the installation work of the scaffold plate passage is safe and easy, and the construction work can be performed safely.

[Brief description of the drawings]

FIG. 1 is a perspective view (including a partially imagined part) of an assembled state of a scaffold plate (passage) assembled using a scaffold plate fixing device according to an embodiment of the present invention.

FIG. 2 is a side sectional view showing an assembled state of the scaffold plate (passage) of FIG.

FIG. 3 is a side view of the fastener with a scaffold plate stopper in FIG. 1;

FIG. 4 is a perspective view showing an assembled state of a conventional scaffold plate (passage).

FIG. 5 is a perspective view showing an assembled state of a conventional scaffold plate (passage).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Scaffold plate fixing device 2 Scaffold plate receiving plate 3 Clamping device with scaffold plate stopper 4 Clamp part 5 Hole for scaffold plate fixing 6 Hole for scaffold plate stopper 10 Bolt 11 Scaffold plate holding plate 12 Nut with scaffold plate stopper 12a Scaffold plate stopper 13 Scaffolding board 14 Single pipe

Claims (4)

[Claims] 1. A scaffold plate receiving plate having at least one scaffold pipe fixing holding portion, at least one scaffold plate fixing hole, and at least one scaffold plate stopper hole, and a fastener with at least one scaffold plate stopper. A scaffold plate fixing device comprising: a scaffold plate fixing hole, wherein the scaffold plate fixing hole is provided in a gap between the juxtaposed scaffold plates, and the scaffold plate stopper hole is a scaffold plate fixing hole. Is provided so as to be located in the vicinity of the inside of the folded end of the scaffold plate,
A fastening device with a scaffold plate stopper is inserted through the scaffold plate fixing hole and the scaffold plate stopper hole to fix the scaffold plate to the scaffold plate receiving plate and to prevent detachment of the scaffold plate;
The scaffold plate fixture according to any one of the preceding claims. 2. A scaffold plate receiving plate having at least one scaffold pipe fixing holding portion, at least one scaffold plate fixing hole, and at least one scaffold plate stopper hole, a bolt, a scaffold plate holding plate, and a scaffold plate. A scaffold plate fixing device comprising at least one scaffold plate with a stopper and a fastening device with a stopper, wherein the scaffold plate fixing hole is provided so as to be located in a gap between the juxtaposed scaffold plates, And, the hole for the scaffold plate stopper is provided so as to be located around the hole for fixing the scaffold plate and near the inside of the folded end of the scaffold plate,
Insert the nut with the scaffolding plate stopper into the hole for the scaffolding plate stopper, insert the bolt into the hole for fixing the scaffolding plate, and fix the scaffolding plate to the scaffolding plate receiving plate with the bolt, scaffolding plate holding plate, and nut with scaffolding plate stopper. And a scaffold plate stopper configured to prevent detachment of the scaffold plate with the scaffold plate stopper. 3. A scaffold plate receiving plate provided with a plurality of scaffold pipe fixing holding portions, a plurality of scaffold plate fixing holes, and a scaffold plate stopper hole having twice the number of the scaffold plate fixing holes, and a bolt. What is claimed is: 1. A scaffolding plate fixing device comprising a plurality of scaffolding plate stoppers comprising a scaffolding plate holding plate and a nut having two scaffolding plate stoppers, wherein said scaffolding plate fixing hole is provided between a plurality of scaffolding plates arranged side by side. And the hole for the scaffold plate stopper is provided so as to be located near the inside of the folded end of each of the scaffold plates arranged side by side around the scaffold plate fixing hole. By inserting the nut with the scaffold plate stopper into the hole for the scaffold plate stopper, inserting the bolt into the hole for fixing the scaffold plate, and using the bolt, the scaffold plate holding plate and the nut with the scaffold plate stopper, the scaffold plate receiving plate Together with Configuration was able to prevent separation of the scaffolding board at spot plate stopper, wherein the scaffold board fixture according to claim. 4. The scaffold plate fixing device according to claim 1, wherein the scaffold pipe fixing and holding portion is an annular portion capable of holding the scaffold pipe or a clamp portion capable of fixing and holding the scaffold pipe.