JPH0345480Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to a pipe support used as a shoring structure.

[Conventional technology]

Shoring used at construction sites is used together with formwork to determine the shape and position of structures, and to cure concrete. Generally, the shoring used as a support at a construction site is a pipe support. Conventionally, as this type of pipe support, there is a pipe support A shown in FIG. In Fig. 7, code 1 is a pipe support A.
It is an outside pipe. The outer pipe 1 is tubular,
Above the pipe wall, along the axis of the outer pipe 1,
In addition, an elongated hole 2 is formed diametrically through the outer pipe 1. An inner pipe 3 is loosely inserted into the outer pipe 1. The inner pipe 3 has a tubular shape, and the pipe wall has pin holes 4, which extend along the axis of the inner pipe 3 and penetrate the inner pipe 3 in the diametrical direction.
4,... are formed at regular intervals. An adjustment pin 5 is attached to the pin hole 4 and the elongated hole 2 of the outer pipe so as to pass through both. The adjustment pin 5 can be attached to and detached from the elongated hole 2 and the pin holes 4, 4, . . . , and by this attachment and detachment, the approximate length of the pipe support A can be adjusted. A ring 6 is attached to one end of the adjustment pin 5.
A chain 7 is provided between the ring 6 and the upper end of the outer pipe 1 to prevent the adjustment pin 5 from being lost. On the other hand, a threaded groove 8 is formed on the outer surface of the outer pipe 1 and near the elongated hole 2. This screw groove 8 has an adjustment ring 11.
The adjustment ring 11 is provided with a handle 12 for tightening or loosening it. By turning the handle 12, the adjustment ring 11 is rotated and the adjustment pin 5 is moved upward, thereby adjusting the length of the pipe support A to the appropriate length. Further, plates 13 and 14 are fixed to the lower end of the outer pipe 1 and the upper end of the inner pipe 3, respectively, to directly contact the formwork, slab, etc.

The pipe support A as described above is installed from below a formwork into which concrete is poured to form a slab, and is used to support the formwork. To support the formwork with this pipe support A, first, the plate 13 of the outer pipe 1 is brought into contact with the floor, the plate 14 of the inner pipe 3 is brought into contact with the formwork, and then the elongated hole 2 of the outer pipe 1 is brought into contact with the formwork. After inserting the adjusting pins 5 into both pin holes 4 of the inner pipe 3, tighten the adjusting ring 11. This allows adjustment ring 1
1 pushes up the adjustment pin 5, and as a result,
Pipe support A supports the formwork from below.

[Problem that the invention attempts to solve]

By the way, in the pipe support A as described above, when supporting the formwork, the pipe support A itself is not provided with, for example, a measuring device that indicates the degree of tightening of the adjustment ring 11.
I relied on my intuition to tighten the adjustment ring 11, and I did not know how much load was being applied to the pipe support A. In addition, in the pipe support A, for the reason mentioned above, if the adjustment ring 11 is tightened too much, the tip of the pipe support A will push up the formwork, etc., and cause cracks in the slab concrete, causing problems in terms of construction management. Furthermore, it also caused problems when replacing the pipe support A.

This invention was made in view of the above-mentioned circumstances, and the problem is how to realize a pipe support that can eliminate the above-mentioned drawbacks.

[Means for solving problems]

This idea consists of an outer pipe in which elongated holes are formed along the axis, an inner pipe that is loosely inserted into the outer pipe and has many pin holes formed along the axis, and pin holes in the inner pipe and the outer pipe. A removable adjustment pin is attached to the long hole of the pipe and is screwed into a thread groove formed on the outer surface of the outer pipe and near the long hole of the outer pipe, and the adjustment pin is screwed upward. The adjustment ring includes an adjustment ring that is freely movable, and a disc spring disposed between the adjustment ring and the adjustment pin.

〔Example〕

An embodiment of this invention will be explained based on FIGS. 1 to 6. In these figures, the same components as those in FIG. 7 shown in the prior art are denoted by the same reference numerals, and the explanation thereof will be omitted.

First, a first embodiment will be described based on FIGS. 1, 2, and 4. 1 and 2 are diagrams showing the structure of the pipe support B, and in these figures, reference numeral 16 indicates a disc spring of the pipe support B. The disc spring 16 has two disc plates 17,1
It consists of 7. The dish plate 17 is disc-shaped and has a hole 18 in its center, and its disc surface 19 is inclined radially outward.
The disc spring 16 is formed by combining the outer diameter portions 20, 20 of the disc plates 17, 17. This disc spring 1
6, the outer pipe 1 is inserted into the holes 18, 18, and is arranged between the adjustment pins 5. Belleville spring 1
6, by measuring the degree of deflection, that is, by visually observing or measuring the distance between the holes 18, 18, it is possible to determine how much load is being applied to the adjustment ring 11 and adjustment pin, as well as to the pipe support B. I can see if there are any.

The usage of the pipe support B having the above configuration and the accompanying effects will be explained. In order to support the formwork with this pipe support B, first, the plate 13 is brought into contact with the floor and the plate 14 is brought into contact with the formwork, respectively, and the adjustment pin 5 is inserted through both the elongated hole 2 and the pin hole 4. After inserting the adjustment ring 1
Tighten 1. Pipe support B has adjustment ring 1
1, the plates 13 and 14 come into close contact with the floor and the formwork, supporting the formwork from below. The disc spring 16 is arranged so that the pipe support B strongly supports the formwork from below, that is, the adjustment ring 1
1 is tightened more strongly, the load is applied to the disc spring 16, the distance between the holes 18, 18 becomes shorter, and the deflection becomes larger.

In the above pipe support B, since the disc spring 16 is arranged between the adjustment rings 11, by measuring the degree of deflection of the disc spring 16, it is possible to determine how much load is being applied to the pipe support B. can be approximately known, therefore, the disc spring 16
By tightening the adjustment ring 11 while visually observing or measuring the degree of deflection, it is possible to prevent the tip of the pipe support B from pushing up into the formwork, and furthermore, there is no risk of cracks occurring in the slab concrete, making construction management easier. In addition to having a great effect,
The pipe support B can also be replaced without any problem.

In addition, the adjustment pin 5 is equipped with a ring 6 to prevent powder loss.
Although a chain 7 is provided, it is not necessary to provide this if unnecessary.

Next, a second embodiment will be explained based on FIG.
The difference between the pipe support C described in the second embodiment and the pipe support B of the first embodiment is that the disc spring 1
This is because the plates 21 and 22 are arranged above and below 6. The plate body 21 is disposed between the adjustment ring 11 and the disc spring 16, and has a hole 23 in its center, into which the outer pipe 1 is inserted. On the other hand, the plate body 22 includes the adjustment pin 5 and the disc spring 1.
6, and a hole 2 in the center thereof.
4, and the outer pipe 1 is inserted into this hole 24 similarly to the plate body 21.

In the pipe support C having the above configuration, since the plates 21 and 22 are arranged above and below the disc spring 16, the load is uniformly applied to the disc spring 16, thereby controlling the degree of deflection of the disc spring 16, i.e. , it is possible to accurately know how much load is applied to the pipe support C. In this second embodiment,
Except for the above-mentioned aspects, the same functions and effects as in the first embodiment can be obtained.

In addition, the adjustment pin 5 is equipped with a ring 6 to prevent powder loss.
and a chain 7 are provided, but these may be omitted if unnecessary.

Next, a third embodiment will be explained based on FIGS. 5 and 6. Pipe support D explained in the third embodiment
The difference from the pipe support C of the second embodiment is a disc spring indicated by the reference numeral 25 in FIG. The disc spring 25 is a disc spring 17, 1 that constitutes the disc spring 16 of the pipe support C described in the second embodiment.
7 is reversed by 180 degrees, that is, as shown in FIG.
It is made by bringing them into contact with each other. Belleville spring 25
By measuring the degree of deflection, that is, by measuring the dimension m, it is possible to know how much load is being applied to the pipe support D.

In this third embodiment, the same functions and effects as in the second embodiment can be obtained.

[Effect of idea]

In the pipe support in this invention,
An inner pipe having a large number of pin holes formed along the axis is loosely inserted into an outer pipe having elongated holes formed along the axis, and an adjustment pin is attached by passing through both the elongated holes and the pin holes, and the outer pipe is inserted into the outer pipe. Since the adjustment ring is screwed together and the disc spring is placed between the adjustment ring and the adjustment pin, the amount of load applied to the pipe support can be determined by visually observing or measuring the degree of deflection of the disc spring. You can know by
By tightening the adjustment pin while measuring the degree of deflection of the disc spring, it is possible to prevent the tip of the pipe support from pushing up into the formwork, etc. Furthermore, there is no risk of causing cracks in the slab concrete, which is highly effective in construction management. This has the advantage that pipe supports can be replaced without any problems.

[Brief explanation of drawings]

Fig. 1 is a side view of a pipe support shown as the first embodiment of the present invention, Fig. 2 is an enlarged side view of the main part as seen from the direction of arrow a, and Fig. 3 is a side view of the pipe support shown as the first embodiment of the present invention.
FIG. 4 is a side view of the main part of the pipe support shown as an embodiment, FIG. 4 is a diagram showing the configuration of the disc spring, FIG. The figure shows the configuration of the disc spring, and FIG. 7 shows a conventional pipe support. B, C, D... Pipe support, 1... Outer pipe, 3... Inner pipe, 5... Adjustment pin, 8... Thread groove, 11... Adjustment ring, 16... Belleville spring, 2
5...Disc spring.

Claims (1)

[Scope of utility model registration request] An outer pipe with elongated holes formed along the axis, an inner pipe that is loosely inserted into the outer pipe and has many pin holes formed along the axis, and pin holes in the inner pipe and elongated holes in the outer pipe. A removable adjustment pin is attached through the outer pipe, and the adjustment pin is screwed into a thread groove formed on the outer surface of the outer pipe and near the long hole of the outer pipe, so that the adjustment pin can be moved upward. A pipe support comprising: an adjustment ring for adjusting the adjustment ring; and a disc spring disposed between the adjustment ring and the adjustment pin.