JPH0536904Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to scaffolding used in houses, etc.

[Conventional technology]

2. Description of the Related Art Conventionally, there is a scaffolding shown in FIG. 10 used for houses and the like. This scaffold is provided with a scaffold member 82 at the upper end of support legs (not shown) and a vise-type tightening device 83. The supporting legs are placed along the pillars, placed on the foundation or beam, and then tightened by the tightening device 8.
Sandwich the pillar with 3.

Since the tightening device 83 is used in this manner, the scaffolding member 82 can be fixed without wobbling.

[Problem to be solved by the invention] However, since it is fixed only by the tightening device 83,
Unless the screws were tightened firmly, there was a problem that the screws would loosen and come off the pillar.

The purpose of this invention is to provide a scaffold that can be fixed without rattling and that will not allow the scaffolding members to come off the pillars even if the tightening loosens.

[Means to solve the problem]

The scaffold of this invention has a notch in the side surface of a plate-shaped scaffold member into which a pillar is loosely fitted, and a stopper is provided at the edge of the mouth of this notch so as to be movable between a position in which the mouth is closed and a position in which the mouth is opened. Attachment, provision of a tightening device on the scaffolding member or stopper. The tightening device has a screw member screwed onto a scaffolding member or a stopper with its tip facing the depth direction or width direction of the notch, and a handle is provided at the rear end of the screw member.

[Effect]

According to the configuration of this invention, the scaffold member is fixed to the column by tightening the column using the tightening device. By keeping the stopper in a position that closes the mouth, the pillar is prevented from slipping out of the notch when the tightening is loosened.

〔Example〕

A first embodiment of this invention will be explained based on FIGS. 1 to 5.

This scaffolding has a scaffolding member 2 attached to the upper end of a support leg 1 made of a square pipe, and a plurality of foothold members 3 alternately protruding from both sides of the support leg 1.
is rotatably attached to the support leg 1 by a support shaft 11 via a bracket 10 protruding from the underside.
The scaffolding member 2 can be folded along the support leg 1 (see the chain line state in FIG. 5). The scaffolding member 2 engages with the upper end surface of the support leg 1 in the horizontal state shown by the solid line in FIG.
The clockwise rotation in the figure is stopped and the horizontal angle is maintained.
The scaffolding member 2 may be fixed to the support leg 1 instead of being rotatable thereon.

The support leg 1 is placed on a base 23 or the like along the column 4, and has a cut groove 5 formed in its lower end surface as shown in FIG. A support leg stabilizer 6 is provided near the lower end of the support leg 1. The height 7 of the support leg stabilizer 6 is determined at a construction site or the like, and is fixed by welding or the like. As shown in FIG. 3, the support leg stabilizer 6 is formed into a U-shape in plan view.

As shown in FIG. 2, the scaffolding member 2 consists of a frame 7 made of shaped steel or the like and a top plate 8 attached thereto. . The scaffold member 2 has a notch 9 in the center into which the pillar 4 is loosely fitted, and a stopper 12 is provided at the mouth of the notch 9. Further, first and second tightening devices 13 and 14 are provided on the sides of the notch 9 and the stopper 12.

The stopper 12 is attached to the scaffolding member 2 by a support shaft 15 so as to be movable up and down, and its tip can be engaged with the receiving member 16. The receiving member 16 consists of an L-shaped piece and is fixed to the scaffolding member 2 (see FIG. 4).

The first tightening device 13 has a screw shaft 18 screwed into a bracket 17 protruding from the lower surface of the scaffold member 2, and a push member 19 is provided at one end of the screw shaft 18.
A handle 20 is provided at the other end. The member 2 hits the lower surface of the scaffold member 2 opposite the push member 19
1 is provided protrudingly. The second tightening device 14
The structure is similar to that of the tightening device 13, and the screw shaft 18
is screwed into the boss portion of the stopper 12.

Note that only one of the tightening devices 13 and 14 may be used.

A method of using the scaffold with the above configuration will be explained. The support leg 1 is arranged along the column 4, and its lower end is placed on the base 23. If the base 23 is made of angle iron having a vertical piece, the vertical piece is loosely fitted into the cut groove 5 at the lower end of the support leg 1. Further, the pillar 4 is loosely fitted into the notch 9 of the scaffold member 2, and the stopper 12 is engaged with the receiving member 16 to close the opening of the notch 9. Thereafter, the handles 20 of the first and second tightening devices 13, 14 are turned to tighten the column 4 with the push member 19.

Since this scaffold is provided with a stopper 12 at the mouth of the notch 9 of the scaffold member 2, even if the first tightening device 13 becomes loose, the pillar 4 will not come out of the notch 9, making it safe. In addition, the first and second tightening devices 1
Since the pillar 4 is fastened to the scaffolding member 2 by 3 and 14, rattling does not occur. Since the first and second tightening devices 13 and 14 are made of ordinary bolts, the structure is simple. Even if the tightening devices 13 and 14 have such a simple structure, they are safe because they are prevented from coming off by the stopper 12 as described above.

Further, since the cut groove 5 is provided on the lower end surface of the support leg 1, even if the base 23 has a vertical piece, by inserting the vertical piece into the cut groove 5 as described above, the base 23 can be Support legs can be placed on top. Furthermore, since the U-shaped support leg stabilizer 6 holds the column 4, the lower end of the support leg 1 does not come off the base 23, making it safe. The support leg 1 can also be installed by hooking the support leg stabilizer 6 to a cloth foundation.

6 and 7 show a second embodiment of this invention. In this example, a stopper 32 that closes the opening of the notch 9 of the scaffolding member 2 is made of a male thread, and is screwed into the frame portion 7a. Further, a rubber abutment member 33 is screwed to one side of the notch 9, and a clamp core 13' serving as a first tightening device is provided on the other side. The clamp core 13' is made of a male threaded member,
It is screwed into the frame portion 7b. In Figure 6, 34
1 is a wall hooking member, which is made of a U-shaped wire rod, whose upper side is inserted through the support leg 1, and a nut 35 is screwed onto it.

In this embodiment as well, the same effects as in the previous embodiment can be obtained. In addition, when a wall is provided along the pillar 4 and the stopper 32 cannot be hung on the pillar 4, the support leg 1 can be prevented from falling by hooking the wall hooking member 34 to the side edge of the wall opposite to the pillar 4. This can be prevented.

8 and 9 show the embodiment of FIG. 3. FIG.
In this example, a second tightening device 14' is provided on the scaffolding member 2. Note that the support legs are not shown. Other structural effects are the same as in the first embodiment.

[Effect of idea]

In the scaffold of this invention, by positioning the stopper in a position that closes the opening of the notch, even if the tightening device becomes loose, the column will not slip out of the notch of the scaffold member.
It's safe. Also, for scaffolding members or stoppers,
A screw member is screwed together with the tip facing the depth direction or width direction of the notch, and a tightening device with a handle at the rear end of this screw member is used to tighten the column that is loosely fitted into the notch of the scaffolding member, so there is no looseness. This has the effect of not causing any stickiness.

[Brief explanation of the drawing]

FIG. 1 is a plan view of the first embodiment of this invention, FIG. 2 is a front view thereof, FIG. 3 is a cross-sectional view taken along the line -- in FIG. 2, and FIG. 4 is a cross-sectional view taken along the line -- in FIG. 5 is a sectional view of the staircase taken along line V-V in FIG. 1, FIG. 6 is a front view of the second embodiment, FIG. 7 is a plan view thereof, and FIG. 8 is a plan view of the third embodiment. FIG. 9 is a front view thereof, and FIG. 10 is a perspective view of the conventional example. 1...Support leg, 2...Scaffolding member, 4...Column, 5
... Cut groove, 6 ... Support leg stabilizer, 12 ... Stopper, 13 ... First tightening device, 13' ... Clamp center, 14, 14' ... Second tightening device, 18
...screw shaft, 32...stopper.

Claims (1)

[Claims for Utility Model Registration] A plate-shaped scaffolding member having a notch on its side surface into which a pillar is loosely fitted, and an edge of the mouth of the notch that moves between a position in which the mouth is closed and a position in which the mouth is opened. A stopper that is freely attached, and a tightening device that has a screw member screwed onto the scaffold member or the stopper with its tip facing the depth direction or the width direction of the notch, and a handle is provided at the rear end of the screw member. Scaffolding provided.