JP2564979Y2 - Framework scaffold structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a framed scaffold which can be assembled as a construction passage or a work erection floor.

[0002]

2. Description of the Related Art FIG. 8 shows an example of the structure of a conventional framework scaffold. In the drawing, reference numeral 10 denotes a substantially rectangular parallelepiped scaffold alone, and a substantially H-shaped frame body 13 including a pair of vertical frames 11 erected at a predetermined distance and a horizontal frame 12 provided between the vertical frames 11. It is formed by arranging them in a facing state and connecting the horizontal frames 12 with a cloth frame 14 such as a scaffold plate.

[0003] In this scaffolding unit 10, at least one of the opposing vertical frames 11 of the frames 13 arranged in an opposing state and above the cloth frame 14 are arranged along the cloth frame 14 from the viewpoint of safety. A substantially rectangular handrail frame 15 is installed, and a cross brace member 16 is attached below the cloth frame 14 from the viewpoint of structural strength. A conventional frame scaffold 17 uses such a scaffold alone 10. It was formed by stacking a plurality of pieces vertically and horizontally.

[0004]

However, as described above, the conventional framed scaffold 17 has the handrail frame 15 and the cross brace material 16, which must be assembled separately. Was very complicated. In addition, when the portion of the handrail frame 15 is increased in order to further improve the safety during use of the framework scaffold 17 or during assembling and disassembling operations, the cross brace material 16 portion is reduced on the contrary. There was also a problem that can not be maintained. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a structure of a framed scaffold that can easily perform assembling and disassembling operations and that can further improve safety during use, assembling and disassembling operations. It is intended to provide.

[0005]

In order to solve the above-mentioned problems, the present invention provides a substantially H-shaped structure comprising a pair of vertical frames standing upright at a predetermined distance and a horizontal frame provided between the vertical frames. Are arranged in a facing state, and the horizontal frames are connected to each other with a cloth frame to form one substantially rectangular parallelepiped scaffold alone, and a plurality of the scaffolds are stacked vertically and horizontally to form a scaffold. In the structure of the framed scaffold, a handrail material is installed along the cloth frame above the cloth frame between at least one opposed vertical frame of the frame bodies arranged in the facing state, and the handrail is provided. A pair of brace members attached between the member and the cloth frame, wherein the handrail member is provided with an adjustment portion capable of adjusting the length at a substantially central position thereof, and the pair of brace members is provided. Has one end thereof rotatably connected to both ends of the handrail material, respectively. The other brace material is pivotally supported substantially at the center of the one brace material, and the pair of brace materials have both ends of the handrail material and the other ends of the pair of brace materials. The vertical frame is opposed to each other, and is attached between the handrail material and the cloth frame.

[0006]

According to the present invention, a pair of brace members have one end of each brace member rotatably connected to both ends of the handrail member, and the other brace member pivots substantially at the center of one brace member. Since it is supported as possible, both the handrail material and the pair of brace materials are installed between at least one of the opposed vertical frames of the frame body arranged in an opposed state. As a result, the number of handrails becomes larger than before, and the assembling and disassembling operations are not complicated. Further, since the handrail member is provided with an adjusting portion at a substantially central position thereof, the length thereof can be adjusted in accordance with the pivotal movement of the pair of brace members, and the handrail member and the brace member can be adjusted during assembly and disassembly work. Is easy to handle.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a scaffold according to the present invention; FIG. 1 is a front view showing an example of the scaffold alone in the structure of the framework scaffold of the present invention, and FIG. 2 is a front view showing an example of a frame constituting the scaffold alone shown in FIG. In the figure, reference numeral 20 denotes a substantially rectangular parallelepiped scaffolding unit 20, and a pair of vertical frames 2 erected at a predetermined distance.
1 and a horizontal frame 22 provided between the vertical frames 21, a substantially H-shaped frame body 23 is disposed in an opposed state, and the horizontal frames 22 are connected by a cloth frame 24 such as a scaffold plate. Have been.

Each of the above-mentioned pair of vertical frames 21 has, for example, a short substantially cylindrical pin 2 above and below the horizontal frame 22.
5 are attached in a facing state and protruding into the frame body 23, and a pin 25 is similarly attached to the other vertical frame 21 arranged in the facing state. At the lower portion of each pin 25, a locking portion 25a that fits into the pin 25 or protrudes out of the pin 25 by a spring force, for example.
The handrail member 26 and a pair of brace members 27 are held by the pin 25 as described later.

On the other hand, between at least one of the opposed vertical frames 21 of the frame 23 arranged in the opposed state, in this embodiment, both of the opposed vertical frames 2 of the frame 23 arranged in the opposed state are arranged.
1, the cloth frame 2 is fixed to the pins 25 on the upper side.
A handrail member 26 is provided along 4. This handrail material 2
6 comprises an outer pipe 26a as shown in FIG. 3, and a middle pipe 26b having one end inserted into one end of the outer pipe 26a and having a diameter smaller than that of the outer pipe 26a. An adjusting portion 30 is provided at a joint portion between the outer pipe 26a and the middle pipe 26b so that the length of the handrail member 26 can be adjusted.

That is, as shown in FIG.
A bolt hole 31 is formed in an upper portion on one end side of the outer pipe 26a, and a lower end of a fixing bolt 33 is inserted into the upper portion of the bolt hole 31 via a nut 32. One end of the middle pipe 26b is inserted into the side. Then, after the middle pipe 26b is slid in the length direction until the handrail material 26 has a required length, the middle pipe 26b is fixed with the fixing bolt 33, whereby the handrail material 26 of a required length is obtained. It is configured to be.

A pair of brace members 27 are provided between the handrail member 26 and the cloth frame 24.
6 are arranged at both ends, that is, at each pin 25 portion on the upper side,
The other end is attached to each pin 25 on the lower side of the vertical frame 21 facing each other. This pair of brace members 27 is, as shown in FIG.
7a and one end of the other brace material 27b are
6, and the other brace member 27b is rotatably supported at substantially the center of one brace member 27a.
One end of 27b and both ends of the handrail member 26 are rotatably connected by being fitted into, for example, a cylindrical washer 28 as shown in FIG.

Accordingly, the handrail member 26 and the pair of brace members 2
7 are bundled into one at the time of carrying or the like, and are fixed to the respective pins 25 provided on the respective vertical frames 21 in the following state without falling apart at two points. One end of one brace member 27a and handrail member 26 connected by washer 28
FIG. 6 shows a state in which one end of the handrail member is engaged with the upper pin 25, and a state in which one end of the other brace member 27b and the other end of the handrail member 26 also connected by the washer 28 are connected to the upper pin 25. FIG. 7 is a view taken in the direction of the arrow X in FIG.

That is, as shown in FIG.
8 and one end of one brace member 27a and handrail member 26 and the other brace member 27b and handrail member 26
Is further engaged with the washer 28 itself by being fitted into the pin 25. At this time, pin 2
Each washer 28 is held without being detached from the pin 25 by the locking portion 25 a provided at the lower part of the fifth member 5.

On the other hand, the other ends of the brace members 27a and 27b are directly fitted into the respective pins 25 on the lower side and engaged with the respective vertical frames 21, whereby a pair of the handrail member 26 and the cloth frame 24 is provided. Are attached in a crossed state. Then, the framework scaffold is formed by stacking a plurality of the scaffolds 20 formed as described above in the vertical and horizontal directions in the same manner as in the related art. In addition, the outer pipe 26a, the middle pipe 26b, and the pair of brace members 27 constituting the handrail member 26 are, for example, as shown in FIG.
Opposite sides are formed of pipes having a substantially semicircular cross-section formed substantially flat, and an outer pipe 26a, a middle pipe 26b
Each of the other ends and each end of the pair of brace members 27 is formed into a plate shape, and a substantially circular hole to be fitted into the washer 28 or the pin 25 is formed in each end.

As described above, according to the present embodiment, a pair of brace members 27 are pivotally supported substantially at their respective centers, and one end of each of the pair of brace members 27 is a handrail member 26.
Are rotatably connected to both ends of at least one of the vertical frames 21 of at least one of the frame bodies 23 arranged in the facing state.
In between, both the handrail material 26 and the pair of brace materials 27 can be installed. Therefore, it is not necessary to separately assemble and disassemble the handrail portion and the brace portion as in the related art, so that the operation can be performed very easily.

In addition, one handrail member 26 is always provided for a pair of brace members 27, and the number of handrail portions is larger than in the prior art. Can be further improved. As a result, the worker can perform the work only by using the safety belt without using the parent rope. Further, since the handrail member 26 is provided with the adjusting portion 30 at a substantially central position thereof, the length thereof can be adjusted in accordance with the pivotal movement of the pair of brace members 27. The material 27 is easy to handle, and the two points of the handrail material 26 and the pair of brace materials 27 do not fall apart during the assembling and dismantling operations, and are bundled together, which is very convenient for carrying around.

[0017]

As described above, according to the structure of the framework scaffold of the present invention, both the handrail material and the pair of brace materials are provided between at least one of the opposed vertical frames of the frame body arranged in the opposed state. Can be installed. Therefore, since it is not necessary to separately perform the assembling and disassembling work for the handrail portion and the brace portion, the work at that time can be performed very easily.

Further, one handrail material is always provided for a pair of brace materials, and the number of handrail portions is larger than in the past, so that safety during use, assembling and dismantling work of the framed scaffold is improved. Can be improved. As a result,
The worker can work only by using the safety belt without using the parent rope. Further, since the handrail material is provided with an adjusting portion capable of adjusting its length at a substantially central position,
The handrail material and the brace material are easy to handle at the time of assembly and disassembly work, and the two points of the handrail material and the pair of brace materials are not disaggregated at the time of assembly and disassembly work, and they are bundled together so that they can be carried together. Very convenient.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of a scaffold alone in the structure of a framework scaffold according to the present invention.

FIG. 2 is a front view showing an example of a frame constituting the single scaffold shown in FIG. 1;

FIG. 3 is a schematic diagram showing a structure of a handrail material and a pair of brace materials.

FIG. 4 is an enlarged sectional view of an adjustment unit.

FIG. 5 is a perspective view showing an example of a washer.

FIG. 6 is a schematic plan view showing a state in which one end of a handrail member and a pair of brace members connected by a washer is engaged with an upper pin;

FIG. 7 is a view in the direction of the arrow X in FIG. 5;

FIG. 8 is a perspective view showing an example of the structure of a conventional framework scaffold.

[Explanation of symbols]

Reference Signs List 20 scaffold alone 21 vertical frame 22 horizontal frame 23 frame 24 cloth frame 26 handrail material 27, 27a, 27b brace material 28 washer 30 adjustment unit

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 5-52090 (JP, U) JP-A 7-19483 (JP, U) JP-A 59-179942 (JP, U) JP-A 5- 52091 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A substantially H-shaped frame body comprising a pair of vertical frames erected at a predetermined distance and a horizontal frame provided between the vertical frames is disposed in an opposed state, and the vertical frames are disposed between the horizontal frames. Are connected by a cloth frame to form one substantially rectangular parallelepiped scaffold alone, and a plurality of said scaffolds are stacked vertically and horizontally to form a scaffold. A handrail material is installed along at least one of the opposed vertical frames of the body along the fabric frame, and a pair of brace materials is attached between the handrail material and the fabric frame. The handrail material is provided with an adjusting portion capable of adjusting the length at a substantially central position thereof, and the pair of brace materials has one end thereof turned to both ends of the handrail material, respectively. Movably connected and the other brace material is approximately in the middle of one brace material The pair of brace members are pivotally supported at the center, and the pair of brace members are fixed at both ends of the handrail member and the other ends of the pair of brace members to the opposed vertical frames, respectively. A framed scaffold structure attached between a handrail and the cloth frame.