JP2016148182A - Reinforcement material for temporary scaffold - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reinforcement material for a temporary scaffold, easily installable on the temporary scaffold, without narrowing a passage of the temporary scaffold.SOLUTION: A reinforcement material 21 for a temporary scaffold is provided so that a lateral part 31 is provided with a lateral direction installing part 32 installed from the temporary scaffold inside in a horizontal member 12 of the temporary scaffold, a curved part 51 is provided with a longitudinal direction installing part 52 installed from the temporary scaffold inside in a longitudinal material 13 of the temporary scaffold, the lateral direction installing part 32 comprises a first hook 33 and a second hook 34 projected upward from the lateral part 31 in the direction for crossing with the longitudinal direction of the lateral part 31, locked on the horizontal member 12 of the temporary scaffold by mutually providing a first hook opening part and a second hook opening part in the inverse direction and juxtaposed at an interval, and the longitudinal direction installing part 52 comprises a longitudinal hook 53 projected in the lateral direction from the curved part 51 and also in the direction for crossing with the longitudinal direction of the longitudinal part 41 or the curved part 51 and locked on the longitudinal material 13 of the temporary scaffold.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a reinforcing material for a temporary scaffold. More specifically, the present invention relates to a reinforcing material for a temporary scaffold used at a construction site or the like, and more particularly, to a preceding handrail type wedge-tightened scaffold or a reinforcing material for a wedge-tightened scaffold.

In conventional temporary scaffolds, reinforcements are attached to upper corners where vertical members and transverse members of a scaffold such as a wedge-tight scaffold are connected to reinforce the temporary scaffolds.
For example, in Patent Document 1 (Japanese Patent Laid-Open No. 7-269097, “Cross-shaped connecting member of temporary scaffold frame”), the upper corners of the temporary scaffold are reinforced by two straight lengths.
In Patent Document 2 (Japanese Patent Laid-Open No. 11-193626, “Opening and Closing Cloth Frame Device”), both corners of the building frame 61 are fixed in a C-shape that opens downward and a reinforcing member provided with an attachment end at the top. Are reinforced.
In Patent Document 3 (Japanese Patent Laid-Open No. 2000-64592 “Temporary structure material and method of constructing a temporary structure basic body using the same”), the building frame 1 is reinforced parallel to the inside of the building frame half 12 in the vertical direction. The member 4 is attached.
In Patent Document 4 (Japanese Patent Application Laid-Open No. 2003-35034 “Temporary Scaffold Toe Plate”), the same reinforcing material as that described in Patent Document 3 is attached to the temporary scaffold.
In Patent Document 5 (Japanese Patent Application Laid-Open No. 2003-41765, “Temporary Frame Scaffolding”), as described in Patent Document 1, the upper two corners of the temporary scaffold are reinforced by two straight lengths.
Patent Document 6 (Japanese Patent Application Laid-Open No. 2013-194461) also includes a description of a “strengthening device for a scaffold structure”.

Japanese Patent Laid-Open No. 7-269097 JP-A-11-193626 JP 2000-64592 A JP 2003-35034 A JP 2003-41765 A JP 2013-194461 A

In the reinforcing materials for temporary scaffolds described in Patent Documents 1, 2, 5, and 6, the upper corners are reinforced by two linear reinforcing materials, so that the head position of the worker passing through the passage is narrowed. Had problems.
In the reinforcing material for temporary scaffolds described in Patent Documents 3 and 4, since the reinforcing material is attached in parallel to the inside of the temporary scaffold, there is a problem that the passage is narrowed as a whole.

The purpose of the present invention is to
It is an object of the present invention to provide a reinforcing material for a temporary scaffold that is easy to attach to the temporary scaffold without narrowing the passage of the temporary scaffold.

The reinforcing material for temporary scaffolds according to the present invention is:
At the time of attachment to the temporary scaffold, it has a lateral portion extending in the lateral direction, a longitudinal portion provided in the lower portion of the lateral portion and extending in the longitudinal direction, and a curved curved portion provided between the lateral portion and the longitudinal portion,
The lateral portion is provided with a lateral attachment portion that is attached to the transverse member of the temporary scaffold from the inside of the temporary scaffold,
The vertical part or the curved part is provided with a vertical attachment part that is attached to the vertical member of the temporary scaffold from the inside of the temporary scaffold,
The lateral mounting portion protrudes upward from the lateral portion and in a direction intersecting with the longitudinal direction of the lateral portion, and the openings are provided in opposite directions to be locked to the transverse member of the temporary scaffolding, with a space therebetween. Having a first hook and a second hook installed side by side;
The vertical mounting portion has a vertical hook that protrudes in the horizontal direction from the vertical portion or the curved portion and in a direction intersecting with the longitudinal direction of the vertical portion or the curved portion and is locked to the vertical material of the temporary scaffold,
Is provided.

Alternatively,
The first hook and the second hook are provided side by side with the openings facing each other and provided in opposite directions.

  Alternatively, the vertical hook is further provided with an opening for fitting with the vertical member of the temporary scaffold.

Or
At the time of attachment to the temporary scaffold, it has a lateral portion extending in the lateral direction, a longitudinal portion provided in the lower portion of the lateral portion and extending in the longitudinal direction, and a curved curved portion provided between the lateral portion and the longitudinal portion,
The lateral portion is provided with a lateral attachment portion that is attached to the transverse member of the temporary scaffold from the inside of the temporary scaffold,
The vertical part or the curved part is provided with a vertical attachment part that is attached to the vertical member of the temporary scaffold from the inside of the temporary scaffold,
The lateral mounting portion protrudes upward from the lateral portion and in a direction intersecting with the longitudinal direction of the lateral portion, and the openings are provided in opposite directions to be locked to the transverse member of the temporary scaffolding, with a space therebetween. Having a first hook and a second hook installed side by side;
The vertical mounting portion has a vertical hook that protrudes in a direction that intersects the longitudinal direction of the vertical portion or the curved portion from the vertical portion or the curved portion and that is locked to the vertical material of the temporary scaffold,
The first hook and the second hook are locked while being twisted to the horizontal member of the temporary scaffold, and then the reinforcing material is attached to the temporary scaffold by locking the vertical hook to the vertical member of the temporary scaffold.
Is provided.

According to the present invention, it has a horizontal portion extending in the horizontal direction, a vertical portion provided in the lower portion of the horizontal portion and extending in the vertical direction, and a curved curved portion provided between the horizontal portion and the vertical portion. It is minimized that the passage of the temporary scaffold to which the material is attached becomes narrow including the vicinity of the worker's head.
Furthermore, a reinforcing material for a temporary scaffold that can be easily attached to the temporary scaffold is provided.

It is a front view of the use condition of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a front view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a left view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a top view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a bottom view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a partially expanded front view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a partially expanded left view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a partial expanded plan view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a partially expanded bottom view of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a perspective view of the attachment state to the temporary scaffold of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a perspective view of the attachment state to the temporary scaffold of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a perspective view of the attachment state to the temporary scaffold of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a partially expanded perspective view of the attachment state to the temporary scaffold of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention. It is a perspective view of the attachment state to the temporary scaffold of the reinforcing material for temporary scaffolds of the Example which concerns on embodiment of this invention.

  11 is a temporary scaffold. In this embodiment, the temporary scaffold 11 includes a preceding handrail type wedge-tightened scaffold or a wedge-tightened scaffold. The temporary scaffold 11 is provided with a cross member 12 provided in the horizontal direction and a vertical member 13 fixed to the end of the cross member 12 and provided in the vertical direction when the temporary scaffold 11 is assembled. In this embodiment, the temporary scaffold 11 is a wedge-tightening type in which the cross member 12 and the vertical member 13 are fastened and fixed by a wedge 15. A passage 14 is formed in a space surrounded by the cross member 12 and the vertical member 13.

  21 is a reinforcing material for temporary scaffolding. The reinforcing member 21 is made of a metal pipe, and is bent halfway as a whole and turned 90 degrees.

Reference numeral 31 denotes a lateral portion of the reinforcing member 21. The horizontal portion 31 extends in the horizontal direction at the top when attached to the temporary scaffold 11. The lateral portion 31 is provided with a lateral attachment portion 32 that is attached to the lateral member 12 of the temporary scaffold 11 from the inside of the temporary scaffold 11.
The lateral attachment portion 32 is provided so as to project upward from the lateral portion 31 and in a direction intersecting with the longitudinal direction of the lateral portion 31. In this embodiment, the lateral attachment portion 32 is raised in the vertical direction when attaching the reinforcing member 21 to the temporary scaffold 11.

The lateral attachment portion 32 includes a first hook 33 provided on the distal end side and a second hook 34 provided on the inner side of the first hook 33. The first hook 33 and the second hook 34 are arranged in parallel on the lateral portion 31 with a space therebetween, and are fixed upright and fixed so as to face vertically when attached to the temporary scaffold 11.
The first hook 33 and the second hook 34 have a first hook opening 35 of the first hook and a second hook of the second hook so that the first hook 33 and the second hook 34 face the horizontal direction when the reinforcing member 21 is attached to the temporary scaffold 11. Each opening 36 is provided.

The first hook opening 35 of the first hook 33 and the second hook opening 36 of the second hook 34 face each other with the openings of the first hook opening 35 and the second hook opening 36 opposite to each other. Are installed side by side at intervals.
As shown in FIG. 4 for both the first hook 33 and the second hook 34, the tip protrudes from the pipe of the lateral portion 31, so that it can be easily locked to the lateral member 12 of the temporary scaffold 11.

Reference numeral 41 denotes a vertical portion of the reinforcing material 21. The vertical portion 41 is provided at the lower portion of the horizontal portion 31 and extends in the vertical direction when the reinforcing member 21 is attached to the temporary scaffold 11.
Reference numeral 51 denotes a bending portion. The curved portion 51 is curved between the lateral portion 31 and the longitudinal portion 41 and is curved outward, that is, toward the temporary scaffold 11.

The vertical portion 41 or the curved portion 51 is provided with a vertical attachment portion 52 that is attached to the vertical member 13 of the temporary scaffold 11 from the inside of the temporary scaffold 11 when the reinforcing member 21 is attached to the temporary scaffold 11.
In this embodiment, as shown in FIG. 2 and the subsequent drawings, the vertical direction attaching portion 52 is provided substantially in the middle of the bending portion 51.
When the reinforcing member 21 is attached to the temporary scaffold 11 from the vertical part 41 or the curved part 51, the vertical direction attaching part 52 is in the horizontal direction, that is, the horizontal direction and in the direction intersecting the longitudinal direction of the vertical part 41 or the curved part 51. It has a vertical hook 53 protruding and locked to the vertical member 13 of the temporary scaffold 11. The vertical hook 53 is provided in parallel with the horizontal portion 31.

The vertical hook 53 is provided with an opening 54. When the reinforcing member 21 is attached to the temporary scaffold 11, the opening 54 opens in the horizontal direction and on the same side as the opening side of the first hook 33 as illustrated in FIG. 10. Fits with the material 13.
55 is a reinforcement part. The reinforcing portion 55 has a substantially triangular shape and is installed between the lower portion of the vertical hook 53 and the curved portion 51, and reinforces the vertical hook 53 from the lower side when installed on the temporary scaffold 11.

61 is a 2nd vertical direction attaching part. The second vertical attachment portion 61 is provided near the lower end of the vertical portion 41 that is lower than the vertical attachment portion 52. When attaching the reinforcing member 21 to the temporary scaffold 11, the second vertical attachment portion 61 is brought into contact with the vertical member 13 of the temporary scaffold 11 and positioned.
The second vertical attachment portion 61 is composed of two parallel spacers 62 and 63 that protrude horizontally outward from the lower end of the vertical portion 41 when the reinforcing member 21 is attached to the temporary scaffold 11.
As shown in FIGS. 8 and 9, the tips of the spacers 62 and 63 have a recess 64 at the center, and are easily fitted when the vertical member 13 is fitted. A support piece 65 is attached to the vertical portion 41 along the vertical portion 41 between the spacer 62 and the spacer 63. A recess 66 is provided between the support pieces 65, and is positioned and fitted with a plate-like body attached to the vertical member 13 on the temporary scaffold 11 side to attach the temporary scaffold 11 and the vertical portion 41. .

Next, a method of attaching the temporary scaffolding reinforcing material (reinforcing material) 21 to the temporary scaffolding 11 will be described.
The first hook 33 and the second hook 34 are locked to the transverse member 12 of the temporary scaffold 11 while being twisted. That is, first, as illustrated in FIG. 10, the reinforcing member 21 is moved so that the lateral portion 31 of the reinforcing member 21 is positioned below the transverse member 12 of the temporary scaffold 11.
Next, as shown in FIG. 11, the reinforcing member 21 is lifted, and the first hook opening 35 of the first hook 33 and the second hook opening 36 of the second hook 34 are connected to the cross member 12 of the temporary scaffold 11. Lift to a position that matches. That is, the lateral portion 31 of the reinforcing material 21 can be inserted from below the lateral member 12 of the temporary scaffold 11 so that the lateral member 12 of the temporary scaffold 11 enters between the first hook 33 and the second hook 34. Position.
At this time, the vertical hook 53 is not yet fitted to the vertical member 13.

  Next, as shown in FIG. 12, the longitudinal direction of the reinforcing member 21 is twisted with respect to the longitudinal direction of the transverse member 12 of the temporary scaffold 11, and the first hook opening 35 and the second opening facing each other in the opposite direction. The hook opening 36 is fitted to the cross member 12 of the temporary scaffold 11 from the opposite direction. Then, as shown in FIGS. 13 and 14, the first hook opening 35 and the second hook opening 36 of the first hook 33 and the second hook 34 are the cross members on the cross member 12 of the temporary scaffold 11. 12 are fitted from the opposite side.

  When the reinforcing member 21 is attached to the temporary scaffold 11, the opening 54 of the vertical hook 53 opens in the horizontal direction parallel to the lateral portion 31 and on the same side as the opening side of the first hook. Therefore, in order to lock the first hook opening 35 and the second hook opening 36 of the first hook 33 and the second hook 34 to the cross member 12 of the temporary scaffold 11, the longitudinal direction of the reinforcing member 21 is set. By twisting, from the state illustrated in FIG. 11, the opening 54 is simultaneously fitted and locked to the longitudinal member 13 as illustrated in FIG. 14.

The first hook opening 35 and the second hook opening 36 of the first hook 33 and the second hook 34 are fitted to the cross member 12 of the temporary scaffold 11 from the opposite side of the cross member 12, and the side of the temporary scaffold 11 is The vertical attachment portion 32 is attached to the vertical member 13 of the temporary scaffold 11 by attaching the horizontal attachment portion 32 to the member 12 and fitting the opening 54 of the vertical hook 53 into the vertical member 13.
Therefore, when the longitudinal direction of the reinforcing member 21 is twisted, the vertical member 13 is fitted in the recess 64 in the center of the tip of the spacers 62 and 63 positioned at the lower part of the reinforcing member 21, and is fastened and fixed by the wedge 67. Is attached to the temporary scaffold 11.

11 Temporary scaffolding 12 Cross member 13 Vertical member 21 Reinforcing material for temporary scaffolding (reinforcing material)
31 Horizontal portion 32 Horizontal mounting portion 33 First hook 34 Second hook 35 First hook opening portion 36 Second hook opening portion 41 Vertical portion 51 Curved portion 52 Vertical mounting portion 53 Vertical hook

Claims (4)

At the time of attachment to the temporary scaffold, it has a lateral portion extending in the lateral direction, a longitudinal portion provided in the lower portion of the lateral portion and extending in the longitudinal direction, and a curved curved portion provided between the lateral portion and the longitudinal portion,
The lateral portion is provided with a lateral attachment portion that is attached to the transverse member of the temporary scaffold from the inside of the temporary scaffold,
The vertical part or the curved part is provided with a vertical attachment part that is attached to the vertical member of the temporary scaffold from the inside of the temporary scaffold,
The lateral mounting portion protrudes upward from the lateral portion and in a direction intersecting with the longitudinal direction of the lateral portion, and the openings are provided in opposite directions to be locked to the transverse member of the temporary scaffolding, with a space therebetween. Having a first hook and a second hook installed side by side;
The vertical mounting portion has a vertical hook that protrudes in the horizontal direction from the vertical portion or the curved portion and in a direction intersecting with the longitudinal direction of the vertical portion or the curved portion and is locked to the vertical material of the temporary scaffold,
Reinforcing material for temporary scaffolds.   The reinforcing material for a temporary scaffold according to claim 1, wherein the first hook and the second hook are provided side by side with the openings facing each other and provided in opposite directions.   The reinforcing material for a temporary scaffold according to claim 1 or 2, wherein the vertical hook is provided with an opening for fitting with a vertical member of the temporary scaffold. At the time of attachment to the temporary scaffold, it has a lateral portion extending in the lateral direction, a longitudinal portion provided in the lower portion of the lateral portion and extending in the longitudinal direction, and a curved curved portion provided between the lateral portion and the longitudinal portion,
The lateral portion is provided with a lateral attachment portion that is attached to the transverse member of the temporary scaffold from the inside of the temporary scaffold,
The vertical part or the curved part is provided with a vertical attachment part that is attached to the vertical member of the temporary scaffold from the inside of the temporary scaffold,
The lateral mounting portion protrudes upward from the lateral portion and in a direction intersecting with the longitudinal direction of the lateral portion, and the openings are provided in opposite directions to be locked to the transverse member of the temporary scaffolding, with a space therebetween. Having a first hook and a second hook installed side by side;
The vertical mounting portion has a vertical hook that protrudes in a direction that intersects the longitudinal direction of the vertical portion or the curved portion from the vertical portion or the curved portion and that is locked to the vertical material of the temporary scaffold,
The first hook and the second hook are locked while being twisted to the horizontal member of the temporary scaffold, and then the reinforcing material is attached to the temporary scaffold by locking the vertical hook to the vertical member of the temporary scaffold.
Reinforcing material for temporary scaffolds.

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