JPS6326521Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a freely assembleable scaffolding device suitable for architecture, civil engineering, and shipbuilding.

In general, when working on buildings, ship construction, demolition, and repair, or civil engineering works such as tunnels and roads, when working at a position higher than the ground surface, scaffolding is fixed or suspended on the side of the structure, and workers are placed on this scaffolding. are walking or operating work machinery.

However, when assembling conventional scaffolding, it is done by combining pipes called single pipes vertically and horizontally, or by fixing long scaffolding boards with mounting brackets, which makes the work of installing and removing them extremely troublesome. There was also the problem that the number of parts increased, resulting in a cost disadvantage.

In addition, conventional scaffolding structures require too much time and effort to store because they have many parts, and if they are erected upward one after another, it takes too much time to erect and disassemble them. .

On the other hand, the present applicant has recently developed a foldable scaffolding device that is easy to install and remove, and is convenient to carry (Utility Model Application No. 56-34943).
issue). However, although this scaffolding device can be folded compactly, it cannot be disassembled, and it is difficult to replace parts when it is damaged.

This invention was made in order to improve the problems of the conventional scaffolding device, and the dimensions of each component of the scaffolding device were standardized so that they could be connected to each other removably with pins, etc., and the pins could be removed. To provide a prefabricated scaffolding device in which a part of the frame can be removed simply by disassembling or unfitting the device, and the entire structure can be easily disassembled and transported.

In order to achieve this objective, the structure of the present invention is such that a standardized front frame and a rear frame consisting of a plurality of columns are removably connected to the front and rear sides of the scaffolding board, and the standardized front and rear frames are also attached to the sides of the scaffolding board. The side frames are detachably connected to each other, and joint frames can be attached to and detached from each of the front frame, rear frame, and side frame as desired.

Examples of this invention will be described below based on the drawings.

FIG. 1 shows a scaffolding device, the components of which are shown disassembled so that the connecting positions can be seen. In the same figure, 1 is a front frame, 2 is a rear frame, and these are pillars 1 made of square tubes made of steel or synthetic resin.
It consists of a, 1b, 2a, 2b and horizontal rods 1c, 1d, 2c, 2d that span these horizontally. In addition, these supports 1a, 1b, 2a, 2b, horizontal bars 1c, 1
d, 2c, and 2d are integrally formed of synthetic resin, or when formed of metal such as aluminum, are integrally connected in advance by welding or bolts and nuts. Further, a reinforcing rod 2e is attached between the pillars 2a and 2b.

The upper ends of the pillars 1a, 1b, 2a, and 2b are square tubes that are left open as they are, and there are mounting holes 3 that pass through the upper and middle portions of these opposing upper ends.
a, 3b, 4a, 4b are drilled, horizontal bars 1d, 2
Attachment holes 3c and 4c are also bored at both ends of d.

Reference numerals 5 and 6 denote a pair of side frames interposed between the front frame 1 and the rear frame 2, and horizontal rods 5c, 5d, 5e and 6c are provided between each of the two pillars 5a and 5b and between the pillars 6a and 6b. , 6d, and 6e placed horizontally. Each of these supports 5a, 5b, 6a, and 6b is also a rectangular tube made of metal such as steel or aluminum, or synthetic resin, and is left open at least at its upper end.

In addition, the horizontal bars 5c, 5d and the horizontal bars 6c, 6
d is a cylindrical pipe, and each support 5a, 5b, 6a, 6b facing the cylindrical hole has mounting holes 7a,
7b, 8a, and 8b are drilled, respectively. In this case, the horizontal bars 1c, 2c, 5c, and 6c are used as handrails.

Reference numeral 9 designates a scaffold board as a floor frame, which is made of a metal plate, a metal plate integrated with a reinforcing plate, a wire mesh, or a synthetic resin, and is lightweight as a whole.
Reference numerals 10a, 11a, and 11b are mounting holes drilled through the thickness of the scaffolding board 9.
Incidentally, reference numerals 12a, 12b and 13a, 13b are attachment holes drilled in the lower portions of each of the columns 5a, 5b and the lower portions of the columns 6a, 6b.

The front frame 1, rear frame 2, side frames 5 and 6, and scaffolding boards are disassembled and stacked as appropriate as shown in FIG. 1 during transportation or storage.

On the other hand, in order to assemble these, bring them to the work site and attach the horizontal rods 1d and 2 to the circumferential side of the scaffolding board 9.
d and the pillars 5a, 5b, 6a, 6b are brought into contact with each other, and each mounting hole 3a, 10a, provided in these
The front and rear frames 1 and 2 are removably connected to the scaffold board 9 by inserting and tightening connecting rods such as pins and bolts (not shown) in the mounting holes 12a and 4c.
11a, 13a and mounting holes 12b, 11b, 1
The two side frames 5 and 6 are connected to the scaffold board 9 by inserting and tightening the connecting rods 3b.

In addition, the mounting holes 3a, 7a, 4a and the mounting hole 3
By similarly inserting connecting rods into b, 7b, and 4b, the front frame 1, side frame 5, and rear frame 2 are integrated, and the mounting holes 3a, 8a, and 4a and the mounting holes 3b,
By inserting the connecting rod into 8b and 4b,
The front frame 1, the side frames 6, and the rear frame 2 are integrally connected.

By the way, the connecting rod is made of a long bolt that can be screwed onto the end of the bolt with a nut. However, such long bolts are uneconomical. Therefore, this is made into a normal short bolt, and the mounting hole 7a,
By simply making shallow bolt holes in holes 7b, 8a, 8b, 10a, 11a, and 11b, the front frame 1, rear frame 2, side frames 5, 6, and scaffolding board 9 can be integrally connected to each other easily and quickly using the bolts. . In this case,
If the side frames 5, 6 and the scaffolding board 9 are made of synthetic resin or wood, metal fittings with screw holes may be driven in advance into locations corresponding to the respective mounting holes. Reference numeral 14 denotes an additional frame, which is attached to the lower ends of the two columns 14a, 14b, respectively, the columns 1a, 1a, 14b.
A protrusion P is provided which is tightly fitted into the opening hole R of the rectangular tube 1b. These additional frames are adapted to be fitted into the openings R of the other supports 2a, 2b and 5a, 5b, respectively. In addition, the opening hole R
Also, as the protrusion P, a socket member or a joint member with a hole can be selected and used. For example, each pillar 1a, 1b, 2a, 2b, 5a, 5b,
If a rectangular metal square tube is connected to the outer periphery of the upper end of 6a, 6b, each support 14 of the additional frame 14
They are integrally connected by simply inserting the ends a and 14b into this square tube.

In the scaffolding device assembled in this way, hook members and fasteners (none of which are shown) are provided on the horizontal bars 1c or 2c of the front frame 1 or rear frame 2, and these are attached to the construction material such as H steel. By locking and holding it, the scaffolding device can be suspended from the H steel. Therefore, the worker can work while riding on the scaffolding board 9, or can carry out a predetermined work by placing or moving necessary equipment on the scaffolding board 9.

On the other hand, when the work is completed, remove the aforementioned hook members from the H-shaped steel etc., pull out the connecting rods from the respective mounting holes, and remove the bolts. The side frames 5, 6 and the scaffolding board 9 can be separated, and can be stacked on top of each other to make it compact and can be transported and stored in a small occupied space.

As mentioned above, according to this invention, the front frame,
Since the rear frame and side frames are detachably connected to the scaffolding board, the scaffolding device can be assembled easily and quickly, or they can be disassembled and stacked to allow for compact transportation or storage. is obtained.

Further, since the front frame, rear frame, and each side frame are standardized, there is no need to make a different frame each time, and there is no risk of making a mistake in the order of assembly.

Since each frame is separable, even if a part is damaged, parts can be easily replaced.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a scaffolding device according to an embodiment of the present invention, and FIG. 2 is a perspective view of the scaffolding device of FIG. 1 in an assembled state. 1...Front frame, 2...Rear frame, 5, 6...Side frame, 9
...Scaffolding board, 14...Additional frame.

Claims (1)

[Claims for Utility Model Registration] (1) A standardized front frame and a rear frame consisting of a plurality of columns are removably connected to the front and rear sides of the scaffolding board, and the standardized front and rear frames are also attached to the sides of the scaffolding board. This scaffolding device can be freely assembled, in which the side frames are detachably connected to each other, and joint frames can be attached to and detached from each front frame, rear frame, and side frame as desired. (2) Scope of Utility Model Registration Claim No. 1, in which mounting holes are provided facing each other in the scaffold board, the front frame, the rear frame, and the side frames, and each frame is connected to the scaffold board by inserting pins into the mounting holes. The freely assembleable scaffolding device according to item 1.