JPS5932685Y2 - Support for foundation reinforcement assembly - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a column for assembling foundation reinforcing bars.

The pillars used for reinforcing the foundation reinforcement must be able to freely adjust the length of the beam and column sides to match the support height of the foundation reinforcement, have good support stability, and do not impede the flow of concrete. It is desired that there is no risk of generating internal defects such as cross-sectional defects that cause a decrease in strength within the concrete foundation, that it is lightweight and easy to handle, and that it is inexpensive.

The present invention was made with the purpose of providing a support for assembling foundation reinforcing bars that can satisfy all of these requirements.The present invention will be explained below based on an illustrated embodiment. be.

As is clear from FIG. 1, the foundation reinforcing bar assembly column according to the present invention includes a fixed column 1 and a movable column 2 connected to the column 1 so as to be movable in the vertical direction.

Fixed side support 1 is a concrete foundation (concrete foundation)
A (see Fig. 1) has a base plate 1a with mounting holes 1a' fixed to the upper surface by appropriate means such as anchor bolts b; The four iron rods 1b are spaced apart from each other, the intermediate connecting plate IC is inserted and fixed at the intermediate height position of the iron rods 1b, and the upper end connecting plate Nd is fixed to the upper end of the same.
It consists of

In addition, the base plate 1a, the intermediate and upper end connecting plates 1
For example, welding means is applied to fix the iron rod 1b to C and 1d, and when fixing the lower end of the iron rod 1b, it can be welded and fixed at the bent portion 1b' to improve stability.

The movable side support 2 has four iron rods 2b that have the same diameter and length as the iron rods 1b of the fixed side support 1, and are combined with the same spacing as the iron rods 1b. A vertical plate-shaped connecting member 2a1 that connects the upper end of 2b to each adjacent iron rod 2b, 2b.
, 2a1, 2a2, 2a2, and the iron rod 2b
. . ., it is freely inserted between the connecting plates 1C and 1d at the middle and upper end of the fixed side support column 1.

In this penetrating state, as shown in Figure 3, the fixed side iron rod 1b is located exactly between the movable side iron rods 2b, 2b, and this configuration provides a well-balanced connection. It will be done.

The number of iron rods 1b and 2b used is not necessarily limited to four, and may be any other number.

As is clear from FIG. 2, at the upper end of the movable support column 2, a pair of holes 3at and 3a1 that open in the lateral direction are formed approximately in the middle of the connecting members 2al and 2a1 that face each other in the front and rear. and a kanzashi line 4□ in this hole 3 al, 3 al
can be inserted.

On the other hand, there is another pair of holes 3a that open in the same lateral direction approximately in the middle of the connecting members 2a2, 2a2 which face each other right and left at a position slightly lower than the connecting members 2a1, 2a1.
3a2 is formed, and these holes 3a2, 3a2 are similar to the holes 3a.
This hole 3a2, is located at a slightly lower position than 1, 3a1.
When the hairpins 4□ are inserted into 3a2, a gap 5 (see Fig. 1) is created between the hairpins 4□ and the hairpins 4□.

This gap 5 has a size that approximately corresponds to the diameter of the reinforcing bars C (see FIG. 5) of the company foundation reinforcing bars.

A cylindrical protrusion 6 is provided on the upper surface of the upper end connecting plate 1d of the fixed side support column 1 so as to individually surround each of the movable side iron rods 2b inserted therein. A screw 7 for properly tightening and fixing the movable iron rod 2b is screwed onto the protrusion 6.

This screw 7 may be provided on all or part of the cylindrical protrusion 6.

The tightening and opening mechanism consisting of such a cylindrical protrusion 6 and screws 7 includes the upper end connecting plate 1d and the intermediate connecting plate 1.
It suffices if it is provided in at least one of C.

FIG. 5 shows an example in which the product of the present invention is applied to support foundation reinforcing bars for corporate use.

In this usage mode, the hairpins 4 and 4□ are inserted in a cross shape at the upper end of the movable support column 2, and the lower hairpins 4
□ supports the ribs C of reinforcing bars assembled in a basket shape, and the upper hairpins 4 and the ribs C are tied at their intersections.

In the figure, d is the main reinforcement placed around the rib C.

In supporting such reinforcing bars, the length of the column can be easily adjusted by loosening the screw 7 and expanding and contracting the movable column 2.

Figure 6 shows an example of the case where the inventive column is applied to support the foundation reinforcing bars on the beam side. The hairpin reinforcements 4 receive the main reinforcements d arranged at the upper ends of the cage-like reinforcing bars.

As shown in Figures 5 and 6, the prop of this invention is used to support the foundation reinforcing bars, and its length and height can be adjusted freely, so the supporting height can be adjusted. Not only can it be used on both the beam side and the column side, but even if the support height differs depending on the construction conditions etc., it can easily be used.

Furthermore, since the column is composed of multiple iron rods spaced apart, the effective diameter of the column can be increased, which not only provides good support stability but also makes it lightweight and convenient to carry compared to its effective diameter. Moreover, since it is extremely simple in structure, it can be provided at low cost, and the economic burden can be reduced even though a large number of books are buried and consumed at one time.

Furthermore, since there is a gap between the steel rods that make up the support, the flow of concrete is not obstructed when pouring concrete, and the inside of the support can be filled with concrete. It is possible to avoid the risk of a decrease in the strength of the foundation concrete, which is a concern.

[Brief explanation of drawings]

Fig. 1 is a front view showing an example of the implementation of the present invention, and Fig. 2 is a front view showing an example of the implementation of the present invention.
Figure 3 is a cross-sectional view taken along line A-A in the figure, Figure 3 is a cross-sectional view taken along line C-C, Figure 4 is a cross-sectional view taken along line C-C,
The figure is a sectional view taken along the line C--C, and FIGS. 5 and 6 are perspective views showing how the present invention shown in FIG. 1 is used. In the figure, 1 is the fixed side support, 1a is its base plate, 1b is its iron rod, 1C is its intermediate connecting plate, 1d
is its upper end connecting plate, 2 is the movable side support, 2a1, 2
a2 is its connecting member, 2b is its iron rod, 3a1, 3a2
is a hole, 40, 4□ is a hairpin, 5 is an interval, 6 is a cylindrical projection, and 7 is a screw.

Claims (1)

[Scope of utility model registration request] A fixed side column and a movable column connected to the upper end of the column so as to be movable in the vertical direction. It consists of a plurality of upright iron rods in a spaced arrangement, an intermediate connecting plate inserted and fixed at the intermediate position of the iron rods, and an upper end connecting plate fixed to the upper end of the iron rods, and one movable side. The pillar is composed of a plurality of spaced apart iron rods that are vertically movably inserted between the intermediate and upper end connecting plates of the fixed side pillar, and a connecting member that connects the upper ends of the iron rods. The connecting member is formed with a portion for inserting a hairpin, and furthermore, at least one of the intermediate and upper end connecting plates of the fixed side support is provided with a portion for restraining the movable side support at an arbitrary adjustment position. A support for assembling foundation reinforcing bars, characterized by being equipped with a restraining mechanism.