JPS6326520Y2 - - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a foldable scaffolding device.

In general, construction work such as building, ship construction, demolition, repair, or tunnel construction often requires work to be done at a position higher than the ground surface.
Scaffolding is assembled and fixed or suspended on the side of a building, and workers work or walk on the scaffolding, or work machines are placed on the scaffolding.

However, conventional assembled scaffolds called pipe scaffolds are constructed by arranging multiple pipes of various lengths and shorts called single pipes vertically and horizontally, and assemble them using connectors called clamps. Since the plate is fixed to the pipe with a mounting bracket or the like, installation and disassembly work is extremely troublesome, and the number of parts is large, resulting in a cost disadvantage.

In addition, conventional pipe scaffolding requires a large amount of storage space when storing these parts, as it has a large number of pipes of various lengths and short lengths and a large number of clamps that serve as connectors, and has the drawback that it is extremely inconvenient to transport them. Ta.

This idea was created in view of these conventional problems, and it can be folded compactly and can be easily moved anywhere as a single scaffolding device, and also takes up little volume when stored when not in use. To provide a foldable scaffolding device which can be easily installed and removed, and which is extremely easy to install and remove. In order to achieve this purpose, the structure of the present invention is such that the front frame and the rear frame are foldably connected to the scaffold board, and
A foldable scaffolding device in which one of a pair of left and right handrails arranged between a front frame and a rear frame is foldably connected to the front frame and the other to the rear frame, the front frame; The horizontal length of the rear frame and the scaffold board are the same, and the vertical length of the front frame is the sum of the vertical lengths of the rear frame and the scaffold board, so that the scaffold board and the rear frame are the same as the front frame. , and when folded, one of the handrails is stored in a plane within the frame of the front frame, and the other handrail is stored in a plane within the frame of the rear frame. This is what I did.

Hereinafter, the present invention will be explained based on the illustrated embodiments.

FIG. 1 is a perspective view showing the scaffolding device according to the present invention in an assembled state when in use, and FIG. 2 is a perspective view showing the scaffolding device in a folded state when not in use. It consists of horizontal rods 1c, 1d connected to 1a, 1b either integrally or removably or rotatably. These are made of steel cylindrical rods joined with bolts and nuts, integrally joined by welding, integrally molded with synthetic resin, or assembled with wood, and have sufficient resistance to various stresses. It is formed to exhibit strength. Also,
Although not shown, a reinforcing frame may be integrally attached between these supports 1a and 1b or between horizontal bars 1c and 1d.

The rear frame 2 is formed to have the same horizontal length as the front frame 1, and has struts 2a, 2b shorter than the struts 1a, 1b, and horizontal bars 1c, 1d. It consists of horizontal rods 2c and 2d of the same length connected integrally or removably or rotatably, and if these are formed of metal rods such as aluminum or wooden rods, they are connected with bolts and nuts. In the case of metal rods, they may be joined by welding, or in the case of synthetic resin, they may be integrally molded. In this embodiment, the length of the rear frame 2 in the vertical direction is half the length of the front frame 1 in the vertical direction.

The scaffold board 3 is foldably connected to the front frame 1 and the rear frame 2, and is made of lightweight synthetic resin, metal, or wood, and is selected to have sufficient strength. The scaffold board 3 has the same lateral length as the front frame 1, and has the same lateral length as the front frame 1.
It is foldably attached to the front frame 1 and rear frame 2 by a plurality of hinges 4 and 5 attached to the side edges of the side and rear frame 2 sides.

That is, the front frame 1 and the rear frame 2 rotate within a range of 180 degrees with respect to the scaffold board 3, that is,
It is designed so that it can be tilted or stood up.

Therefore, when the rear frame 2 is tilted to the extension plane of the scaffolding board 3, and the front frame 1 is also tilted to the extension plane of the scaffolding board 3, although the length becomes longer as a whole,
It can be stored on the extended plane of the scaffold board 3, and when the rear frame 2 is tilted to the extended plane of the scaffold board 3 and the front frame 1 is tilted on the upper surface of this scaffold board 3 and the rear frame 2, the second As shown in the figure, it can be stored compactly in a small area. In this case, as in this embodiment, the scaffolding board 3
If the vertical length of the front frame 1 is half that of the front frame 1, the area of the front frame 1 and the combined area of the scaffolding board 3 and the rear frame 2 will be the same, making it even more compact. Of course.

Reference numerals 6 and 7 denote a pair of brackets that are integrally attached to the front frame 1 and the rear frame 2 at substantially equal height positions. The base end of the handrail 8 of the frame is rotatably supported by a pin 9 in the direction of arrow A,
It is designed to rotate horizontally. On the other hand, a pair of brackets 7 provided on the pillars 2b of the rear frame 2
, the base end of a handrail 10 having a U-shaped frame is pivotally supported by a pin 11 so as to be rotatable in the direction of arrow B.

When these handrails 8 and 10 are rotated about their respective base ends, so-called folding, one handrail 8 is placed in the plane within the frame of the front frame 1, and the other handrail 10 is
are formed to be housed in the inner frame plane of the rear frame 2, and at the time of so-called assembly in which the other pivoting end is connected to the adjacent brackets 6, 7 via pins or bolts, each handrail 8, 10 is front and rear frame 1, 2
is held upright on the scaffold board 3 in a constant stable state. That is, the front frame 1 and the rear frame 2 are prevented from falling down.

Further, the handrails 8 and 10 may be made of metal, synthetic resin, or the like, and may be rotatably attached to the front frame 1 or the rear frame 2 using hinges or other joints in addition to the above. Further, the brackets 6, 7 may both have the same size, so that the handrails 8, 10 can be rotatably supported on either of these brackets 6, 7.

In the scaffolding device of the present invention having such a configuration, hook members and fasteners (none of which are shown) are provided on either of the horizontal bars 1c and 2c, and these are connected to the H-steel, etc., which is the construction material of the structure. By holding it in place, the scaffolding device can be suspended from the H steel. Therefore, a worker can work while riding on the scaffolding board 3, or carry out a predetermined work by mounting necessary equipment.

On the other hand, when the work is completed, remove the aforementioned hook members from the H-shaped steel, etc., remove the pins from the brackets 7 and 6 of the columns 2a and 1b, and move one handrail 8 toward the side of the front frame 1. , the other handrail 10 is rotated toward the rear frame 2 side. By this operation, the handrail 8 is stored in the plane within the frame of the front frame 1, and the handrail 10 is stored in the plane within the frame of the rear frame 2. Next, the rear frame 2 is rotated in the direction of arrow C and brought down so as to maintain the same horizontal plane as the scaffold board 3, and then the front frame 1 is turned and brought down in the direction of arrow D. Thus, as shown in FIG. 2, the front frame 1 is superimposed on the rear frame 2 and the scaffolding board 3 parallel to it, and in this state the scaffolding device can be transported and stored. As a result, the scaffolding device is compact, the storage space can be reduced, and the installation space in which it is installed can be used effectively.

As described above, according to the present invention, since the front frame 1 and the scaffolding board 3 and the scaffolding board 3 and the rear frame 2 are hinged, each part such as the support, crossbar, or handrail can be disassembled separately. Since it can be handled without having to assemble it using separately prepared clamps, etc., it is not only easy to store and manage when not in use due to its small volume, but also easy to carry, and when used as a scaffolding device. However, practical effects such as improved workability and extremely economical performance can be obtained.

Furthermore, in this invention, the scaffolding board and the rear frame are folded to have the same area as the front frame, so as shown in Figure 2, it looks like two boards closely stacked on top of each other, and their thickness is extremely thin. , convenient to carry;
It is possible to stack a large number of scaffolding devices in a small space when stored.

Furthermore, as is clear from Fig. 2, when folded, one handrail is stored in the plane inside the frame of the front frame, and the other handrail is stored in the plane inside the frame of the rear frame, so the left and right handrails overlap. It is easy to fold and compact without causing any interference or interference.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the scaffolding device according to this invention;
FIG. 2 is a perspective view showing the folded state. 1...Front frame, 2...Rear frame, 1a, 1b, 2a,
2b... Prop, 3... Scaffolding board, 4, 5... Hinge,
7, 9... Bracket, 8, 10... Handrail.

Claims (1)

[Scope of utility model registration request] A front frame and a rear frame are foldably connected to the scaffold board, and of a pair of left and right handrails installed between the front frame and the rear frame, one is the front frame and the other is the rear frame. In a foldable scaffolding device, the front frame, the rear frame, and the scaffolding board have the same horizontal length, and the vertical length of the front frame is the same as the rear frame and the scaffolding board. The scaffold board and the rear frame can be folded in the same area as the front frame, and when folded, the one handrail is stored in the plane within the frame of the front frame. A foldable scaffolding device characterized in that the other handrail is housed in a plane within the frame of the rear frame.