JPH07139166A - Clamping auxiliary tool - Google Patents

Abstract

PURPOSE:To improve the efficiency of assembly operation by a method wherein a wall, forms, etc., are supported by a bearing pipe, to which a length-adjustable clamping auxiliary tool is connected, while the bearing pipe is set, length is adjusted and looseness is removed. CONSTITUTION:The lower ends of bearing pipes 10 are fixed onto pipes 4 by clamps 4 while length-adjustable clamping auxiliary tools 1 are mounted detachably at the upper ends of the bearing pipes 10, and hooks 6 for the clamping auxiliary tools 1 are engaged with the pipes 4. Forms 2 are installed vertically, and the auxiliary tools 1 and the bearing pipes 10 are fixed by fixtures 11 while length is adjusted by turnbuckles 17 set up to the auxiliary tools 1, thus removing the looseness of the bearing pipes 10. When the bearing pipes 10 are not used, chains are caught to the lower-end hooks of the auxiliary tools 1, and pulled. The bearing pipes 10 and the chains may also be combined. Accordingly, the forms, etc., can be assembled efficiently.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastening aid such as a mold for vertically supporting a wall or the like.

[0002]

2. Description of the Related Art Conventionally, a fastening aid has been used for vertically fixing a wall, a mold or the like. FIG. 5 shows an example of the fastening assisting tool 27 used in the conventional form supporting work. The fastening assisting tool 27 constitutes a support 60 provided with a thread groove 62 for adjusting the length and a hole 63, and a pin is inserted into the hole 63, and a screwdriver 63 tightens and fixes. After that, the support 60 is inserted from the diagonally lower direction of the pipe 22 of the vertically standing mold 21 and protruded, and is supported by the plate member 24 formed at the tip of the support 60. The lower end of the support 60 is supported by the anchor 65. On the other hand, the plate member 24
The outer periphery of the pipe 22 in the vicinity of was fastened with a chain 25, and then the turnbuckle 26 and a chain 28 separately pulled from the ground were pulled to fix the frame 21 vertically.

[0003]

However, the conventional fastening aid 27 must be manually operated. Also, the heavy load support 60, the chains 25 and 28, and the turnbuckle 26 must be carried, and in addition,
If a series of work is performed at a high place, there is a problem in that it is dangerous to carry. The present invention has been made in view of such circumstances, and provides a fastening assisting tool that further enhances safety by omitting the work of winding a support, a chain and the like, and is relatively lightweight but excellent in strength. The purpose is to do.

[0004]

The fastening aid of the present invention comprises:
In order to solve the above-mentioned problems and achieve the above-mentioned object, one end is provided with a pipe tightening portion for sandwiching a pipe such as a formwork, and the other end is provided with a pipe mounting portion for sandwiching a support pipe. It is characterized in that an adjusting portion for adjusting the distance between the pipe fastening portion and the above-mentioned pipe fastening portion is provided.

[0005]

The fastening aid of the present invention constructed as described above acts as follows when fastening. A support pipe is bridged obliquely upward from the bottom of a formwork or the like that is erected in parallel, and the upper end of this support pipe is clamped by a pipe mounting portion. Next, the pipe of the mold located above is clamped by the pipe tightening portion.
Finally, the adjusting part is rotated to adjust the distance between the pipe tightening part and the pipe mounting part, and the upper and lower connecting parts are tightened.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, one embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a front view of a fastening aid which is an embodiment of the present invention, and FIG. 2 is a plan view of the same. This fastening aid 1 is provided with a pipe fastening portion 5 for holding a pipe 4 fixed by a home tie 3 of a formwork 2 at one end, and a formwork 2 at the other end.
While the pipe mounting portion 11 for sandwiching the support pipe 10 is provided, the pipe mounting portion 11 and the above-described pipe fastening portion 5 are provided.
An adjusting part 17 for adjusting the distance between the two parts is provided between and to constitute the whole.

The pipe fastening portion 5 has a hook 6 having the same inner diameter as the outer diameter of the pipe 4, and FIG.
A pipe pressing member 7 that can move up and down in the direction of arrow A,
The pipe pressing member 7 is composed of a butterfly screw 9 that can be screwed along a male screw 8a formed on the surface of the upper support rod 8.

The pipe mounting portion 11 is composed of a movable stopper 12 and a fixed stopper 13 having the same inner diameter as the outer diameter of the support pipe 10 and the like, and as shown in FIGS. 1 and 2, the above-mentioned upper support rod 8 is provided. Lower support rod 1 arranged opposite to the extension line of the
Two pieces are installed in parallel on 6 at regular intervals. Each movable stop 12
A hinge 14 and a tightening fitting 15 are provided between and the fixing stopper 13. The number of the movable stoppers 12 and the fixed stoppers 13 is not limited to two, and one or a plurality can be provided. Adjustment unit 1
Reference numeral 7 denotes a screw that is screwed between the male screw 8a of the upper support rod 8 and the male screw 16a of the lower support rod 16, and each male screw 8a, 1
Female screws 18, 18 that engage with 6a are formed at both ends.

Further, in this embodiment, the pipe mounting portion 11
The hook-shaped chain attachment portion 19 is attached to the tip of the lower support rod 16 of the
To provide. The chain mounting portion 19 locks the chain in the conventional manner.

Next, with reference to FIGS. 1 and 3, the operation of fastening the present embodiment will be described. FIG. 3 is a front view showing a state in which the present embodiment is used at an upper fastening point.

First, the lower end of the support pipe 10 is clamped 2
It is fixed to the pipe 4 near the lower home tie 3 by 0. Note that this clamp 20 has the above-mentioned pipe mounting portion 11
The movable stopper 12 and the fixed stopper 13 are fixed at right angles with two pipe fixing portions, and are used to connect the orthogonal pipe 4 and the support pipe 10.

Next, two upper ends of the support pipe 10 are clamped by the movable stopper 12 and the fixed stopper 13 of the pipe mounting portion 11. For this clamping, the hinge 14 is opened and the support pipe 10
After inserting into the inside, the movable stopper 12 and the fixed stopper 13 are bolted with the tightening fitting 15.

Support pipe 1 to which this fastening aid 1 is attached
0 is diagonally bridged toward the pipe 4 of the home tie 3 above the adjacent formwork 2. Then, the hook 6 of the pipe fastening portion 5
After being hooked on the pipe 4, the pipe pressing member 7 is clamped by the butterfly screw 9 along the male screw 8a to clamp the pipe 4.

Finally, the adjusting portion 17 of the fastening aid 1 is rotated to rotate the male screw 8a of the pipe fastening portion 5 and the pipe mounting portion 11.
The male screw 16a and the male screw 16a are gradually taken into the adjusting portion 17, and the looseness is removed by tightening the upper and lower connecting portions.

As described above, according to this embodiment, the pipe 4 is constituted by the hook 6 of the pipe fastening portion 5, the pipe pressing member 7, the movable stopper 12 and the fixed stopper 13 of the pipe mounting portion 11.
Also, the support pipe 10 can be easily and reliably held. Therefore, there is no need to use a chain at all, which is extremely excellent in safety and workability. Further, a chain (not shown) may be hooked on the chain mounting portion 19 without using the support pipe 10. In this case, the tip of the chain may be fixed to an anchor or a mold driven into the ground. In this way, depending on the situation at the site, it is possible to use a support pipe or chain, and since both the support pipe and chain can be used at the same time, it is versatile and the fastening strength is further improved. You can also let it.

FIG. 4 is a front view showing a state in which this embodiment is used at upper and lower fastening points. In this case, first, the two fastening assistants 1, 1 are previously attached to the upper and lower ends of the support pipe 10 by the respective pipe attachment portions 11.

In this state, after hooking the hook 6 of the upper fastening aid 1 on the pipe 4 near the upper home tie 3,
The pipe pressing member 7 is screwed with the butterfly screw 9 along the male screw 8a to clamp the pipe 4. Next, the hook 6 of the lower fastening aid 1 is attached to the pipe 4 located below the adjacent formwork 2 or the like.
After that, the pipe pressing member 7 is clamped by the butterfly screw 9 along the male screw 8a and clamped in the same manner as described above.
Finally, as in the case described above, the adjusting portion 17 of the lower fastening aid 1 is rotated to tighten the upper and lower connecting portions to remove the slack.

As described above, in this embodiment, two support pipes 10 can be used. When two pieces are used, the distance between the pipe fastening portion 5 and the pipe mounting portion 11 of the one fastening aid 1 is adjusted in advance to a predetermined length, which is wider than when only one piece is used. The length can be adjusted within the range. Moreover, since the final fastening work can be completed only with the fastening aid 1 below, the safety can be further improved. Also, the support pipe 1
No. 0 has various lengths at the construction site, so it can be procured at the site if necessary without special preparation.

[0019]

As described above, according to the fastening assisting tool of the present invention, the work of winding and tightening the chain and the work of pulling the chain from the ground are unnecessary, and the installation time can be greatly reduced. Further, the fastening assisting tool of the present invention can hold the support pipe in parallel with the direction in which the force is applied by the pipe mounting portion, and therefore is excellent in strength after fastening. further,
The overall weight can be made lighter than before, it is easy to set, and installation is completed simply by fixing the pipe tightening part to the support pipe and rotating the adjusting part, so a series of work can be performed even at high places. It has the effect of being able to do it safely.

[Brief description of drawings]

FIG. 1 is a front view of a fastening assisting tool that is an embodiment of the present invention.

FIG. 2 is a side view of a fastening assisting tool that is an embodiment of the present invention.

FIG. 3 is a front view showing a state in which this embodiment is used at an upper fastening point.

FIG. 4 is a front view showing a state in which this embodiment is used at upper and lower fastening points.

FIG. 5 is a front view showing a state in which a conventional fastening aid is used.

[Explanation of symbols]

 1 Fastening aids 2 Formwork etc. 3 Home tie 4 Pipe 5 Pipe fastening part 8 Upper support rod 10 Support pipe 11 Pipe mounting part 16 Lower support rod 17 Adjustment part

Claims (1)

[Claims] 1. A pipe fastening portion for holding a pipe such as a formwork is provided at one end, and a pipe mounting portion for holding a support pipe is provided at the other end, and between the pipe mounting portion and the pipe fastening portion. Fastening aid with an adjusting part that adjusts the distance between both parts.