JP3083468B2 - Supports for horizontal members for scaffolds - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support for a scaffolding horizontal member used for building a building or the like.

[0002]

2. Description of the Related Art As a conventional bracket for supporting a horizontal member of this type, for example, the one shown in FIG. 8 is known. In this conventional configuration, a receiving bracket 32 having a flat U-shape is joined and fixed to the outer periphery of the column 31. A support member 34 is welded and fixed to an end of the horizontal member 33 arranged in the horizontal direction, and the end of the support member 34 is
One fitting 32 is fitted into the fitting. Then, the plurality of horizontal members 33 are supported by the columns 31, and the horizontal members 33
A step board 35 is attached therebetween.

[0003] A plate-like reinforcing piece 36 for hitting and pulling out a support fitting 34 of the horizontal member 33 from a receiving fitting 32 of the column 31 with a hammer is welded to a lower surface of an end portion of the horizontal member 33.

[0004]

However, in this conventional structure, the reinforcing piece 3 joined to the lower surface of the horizontal member 33 is not provided.
6 must be prepared as a member separate from the support fitting 34, and its reinforcing piece 36 must be welded to a predetermined position on the lower surface of the horizontal member 33. For this reason, there has been a problem that two steps, a step of welding and fixing the support fitting 34 to the end of the horizontal member 33 and a step of welding the reinforcing piece 36 to the lower surface of the horizontal member 33, are required.

In addition, since the support fitting 34 is formed by plating iron with molten zinc, a hole through which the molten zinc flows out after plating is required. For this reason, the support fitting 3
A hole must be made in a part of the end face of No. 4.

The present invention has been made by paying attention to such problems existing in the prior art. It is an object of the present invention to provide a supporting member for a scaffolding horizontal member, in which a reinforcing piece is integrally formed to reduce the number of manufacturing steps and facilitate manufacturing. Another object of the present invention is to provide a support for a scaffolding horizontal member capable of forming a hole through which molten zinc flows out simultaneously with formation of a reinforcing piece.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a support for a scaffolding horizontal member, which is provided at an end of the horizontal member and formed on a support pipe. Is
To support the cross member on the support pipe
Constructed by horizontal pipes for supporting metal for scaffolding horizontal members
A fitting portion which is fitted and fixed to an end portion of the horizontal member which is, post-Pas
An engaging portion which is supported by fitted to the type of the receiving bracket to strut pipe, is supported on the strut pipe on the outer peripheral surface of the column pipe
Abutting end face, and a reinforcement piece part of said end surface is brought into contact with the lower surface of the horizontal pipe is bent inwardly by press molding, the reinforcing piece which is folded in said end face, the molten zinc
Outflow holes for the molten zinc after plating were formed .

According to the invention described in claim 2, in the support bracket for a scaffolding cross member according to claim 1, the reinforcing piece is thin.
It is bent inward at right angles in an elongated rectangular shape .

According to a third aspect of the present invention, in the support bracket for a cross member for a scaffold according to the first aspect , the reinforcing piece is formed to be curved along the lower surface of the horizontal pipe. Therefore, in the support member of the scaffolding horizontal member according to the first aspect, the reinforcing piece abutting on the lower surface of the horizontal pipe is formed by bending a part of the end face inward. For this reason, the reinforcing piece is formed integrally with the support fitting, so that the manufacturing process of the support fitting can be reduced, and the manufacture can be easily performed.

Then, the fitting portion is fitted and fixed to the end of the horizontal pipe , and the engaging portion is inserted into the receiving fitting of the support pipe , and
The pipe is supported on a support pipe . In addition , when a part of the end face is bent by press molding, a reinforcing piece is formed, and at the same time, a hole is formed in a part of the end face before the reinforcing piece is bent. For this reason, an outflow hole through which molten zinc flows out can be formed simultaneously with the formation of the reinforcing piece.

According to the third aspect of the present invention, since the reinforcing piece is curved, the reinforcing piece can be disposed along the lower surface of the horizontal pipe.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, one embodiment of the present invention will be described.
This will be described with reference to FIGS. As shown in FIGS. 5 and 6, a plurality of cylindrical support pipes 11 on a scaffold for construction are erected at predetermined intervals, and each support pipe 11
Is supported by a jack 12 at the lower end so as to be adjustable in height. A bracket 13 having a U-shape as a receiving metal is welded and fixed to the outer peripheral surface of the support pipe 11 at predetermined intervals vertically. A plurality of cylindrical horizontal pipes 14 as horizontal members are supported by the support fittings 1 joined to their ends.
5 is supported by the support pipe 11 by being fitted to the bracket 13 of the support pipe 11.

The support fitting 15 will be described. As shown in FIGS. 1 to 3, a fitting part 16 fitted to the horizontal pipe 14 is formed in a cylindrical shape on the upper part of the support fitting 15, and The ends are fitted and welded together. The engaging portion 17 that is inserted into the bracket 13 of the support pipe 11 and supported by the support pipe 11 extends downward from the fitting portion 16 by a predetermined length. The reinforcing piece 18 is the end face 1 of the support fitting 15.
At the upper part of 9, an elongated rectangular shape is bent inward at right angles by press molding. The reinforcing piece 18 is formed in a curved shape with a concave upper surface.

Then, as shown in FIG.
When the fitting portion 16 is fitted to the end of the horizontal pipe 14,
The reinforcing piece 18 comes into close contact with the lower surface of the horizontal pipe 14. In this state, the reinforcing piece 18 is welded to the lower surface of the horizontal pipe 14. In addition, since the reinforcing piece 18 of the support member 15 is bent by press molding, an elongated rectangular outflow hole 20 is formed at the upper end of the reinforcing piece. The outflow holes 20 allow the molten zinc to flow out from the inside of the support fitting 15 after the galvanizing.

As shown in FIG. 6, the mesh-like step board 21 is provided between the left and right horizontal pipes 14 by hooking a pair of hooks 22 provided at both ends on the horizontal pipes 14.

Now, as shown in FIG. 4, in a state where the fitting portion 16 of the support fitting 15 is welded and fixed to the end of the horizontal pipe 14, the support fitting 15 is moved along the support pipe 11 and the engaging portion is formed. 17 is moved toward the bracket 13 of the support pipe 11. As shown in FIG.
Is fitted into the bracket 13 of the support pipe 11, and the upper end of the support fitting 15 is hit with a hammer to securely attach the support fitting 15 to the support pipe 11. Then, by hooking the hook 22 of the step board 21 on the horizontal pipe 14, a scaffold for construction is assembled.

Next, when disassembling the scaffold after the construction of the building is completed, first, the hook 22 of the tread plate 21 is detached from the horizontal pipe 14 in a manner opposite to the case of assembling. Next, the reinforcing piece 18 located on the lower surface of the horizontal pipe 14 is hit with a hammer to pull out the engaging portion 17 of the support fitting 15 from the bracket 13 of the support pipe 11. By such a procedure, the horizontal pipe 1
4 can be separated from the support pipe 11 and dismantled.

As described above, this embodiment has the following advantages. (1) Since the reinforcing piece 18 is formed integrally with the support fitting 15 by press molding, a step of welding a reinforcing piece 36 separate from the support fitting 34 to the lower surface of the horizontal member 33 as in the related art is unnecessary. Thus, the number of manufacturing steps of the support fitting 15 can be reduced, and the manufacturing can be easily performed. (2) The reinforcing piece 18 can be easily bent and formed by press molding, and at the same time, the outflow hole 20 through which the molten zinc flows out can be formed. (3) When pulling out the engaging portion 17 of the support fitting 15 from the bracket 13 of the support pipe 11, the horizontal pipe 14 is bent without hitting the reinforcing piece 18 with a hammer, without denting the horizontal pipe 14. Can be easily detached from. (4) After the supporting metal 15 is plated by hot-dip galvanizing, the molten zinc accumulated inside the supporting metal 15 is discharged into the outflow hole 2.
It can be easily extracted from zero.

The present invention can be embodied with the following modifications. (A) As shown in FIG. 7, the reinforcing piece 18 is formed by bending 90 degrees upward from a lower portion of the end face 19 of the support fitting 15. (B) Both sides of the engaging portion 17 of the support fitting 15 are tapered so as to become narrower toward the tip, so that the support pipe 11 has a wedge effect on the bracket 13. (C) The use of a rectangular cylinder, a column, or the like as a support or a horizontal member. (D) The reinforcing piece 18 is formed in a flat plate shape.

The technical idea grasped from the above embodiment will be described below. (1) The support bracket for a scaffolding lateral member according to claim 1, wherein both side surfaces of the engaging portion are formed in a tapered shape. According to this structure, the engaging portion of the support bracket is connected to the support bracket of the support pipe ,
It can be firmly fitted by the wedge effect. (2) A scaffolding horizontal member in which the support fitting according to claim 1 is fitted and fixed to an end. With this configuration, the number of steps for manufacturing the scaffolding horizontal member can be reduced, and the manufacturing can be easily performed. (3) An architectural scaffold in which the scaffolding cross member is attached to a plurality of support pipes , and a tread is supported by the cross member.
According to this configuration, the scaffold for construction can be efficiently assembled.

[0021]

The present invention is configured as described above, and has the following effects. According to the invention of the support bracket for a scaffolding transverse member according to claims 1 and 2 , the reinforcing piece is formed integrally with the support bracket, so that the number of steps for manufacturing the support bracket is reduced, and the manufacture of the support bracket is facilitated. Can be.

Further, it is possible to easily form the outflow holes at the same time molten zinc flows out with the formation of the reinforcing piece. Claim 3
According to the invention described in (1), the reinforcing pieces can be closely contacted along the lower surface of the horizontal pipe as the horizontal member.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a support fitting at an end of a horizontal pipe in an embodiment.

FIG. 2 is a sectional view taken along line 2-2 in FIG. 1;

FIG. 3 is a rear view showing a support bracket.

FIG. 4 is a perspective view showing a state in which a support fitting is attached to a bracket of a support pipe.

FIG. 5 is a perspective view showing a state in which the support bracket is attached to the bracket from the state shown in FIG. 4;

FIG. 6 is a perspective view showing the entire construction scaffold.

FIG. 7 is a sectional view of a support fitting showing another example of the present invention.

FIG. 8 is a perspective view showing an assembled state of a conventional architectural scaffold.

[Explanation of symbols]

11 ... pillar pipe as a pillar, 13 ... bracket as a receiving bracket, 14 ... horizontal pipe as a horizontal member, 15 ...
Support metal fittings, 16: fitting part, 17: engaging part, 18: reinforcing piece, 19: end face, 20: outflow hole of molten zinc.

Claims (3)

(57) [Claims] 1. A provided at an end portion of the horizontal members, the support bracket of the scaffold horizontal member which is engaged with the receiving metal formed on the strut pipe supporting a horizontal member to the support pipe, the lateral pipe a fitting portion which is fitted and fixed to the end of the configured horizontal members, and the engaging portion is supported on the strut pipe being inserted into the receiving metal strut pipe, the strut pipe being supported by a strut pipe Abuts the outer surface
An end surface, a portion of the end surface is bent inward by press molding the horizontal path
And a reinforcing piece which is brought into contact with the lower surface of type, the reinforcing piece which is folded in said end face, the molten galvanizing
A support for a scaffolding cross member in which a molten zinc outflow hole is formed after cracking. 2. The reinforcing piece is formed in an elongated rectangular shape inward at a right angle.
The support bracket for a cross member for a scaffold according to claim 1, wherein the support bracket is bent . 3. The supporting bracket for a horizontal member for a scaffold according to claim 1 , wherein the reinforcing piece is formed to be curved along a lower surface of the horizontal pipe.