JPH0715223B2 - Cable Bundler for Flexible Rebar Assembly Processing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention provides a flexible structure suitable for on-site assembly processing in various restraint piles and the like constructed by mountain retaining works, slope stabilizing works, stabilizing works of various structures, and the like. The present invention relates to a cable focusing device for reinforcing bar assembly processing.

(Prior art) For earth retaining work, slope stabilization work, underground excavation work, stabilization work of various structures, etc., by assembling and processing multiple PC steel strands into cables at the site, and drilling deep into the ground. The same cable is inserted, anchored by concrete placement, tensioned and tensioned to construct a restraint pile, or multiple strands are assembled into a cable at the site, and a number of the same cable is attached to the focusing ring. A flexible reinforced concrete construction method is widely adopted, in which the steel bars are fixed and fixed, and the steel bars are built in the steel pipes that are built in the drilled hole, and concrete is placed and used as restraining piles. , A large amount of restraining piles using a long cable (20 to 30 m) formed of multiple flexible reinforcing bars (PC steel stranded wire or more reinforcing bar) are constructed, and continuous reinforcing bars without joints are possible. It is highly reliable as a structural material because of its high flexibility, conformability to ground conditions, and freedom of design, and it can be assembled and processed on-site in a small-scale equipment and small space.
The overall construction has features such as comparatively high efficiency and economical construction, but the on-site assembly processing is almost manual work, and multiple flexible rebars (PC steel strands and more rebars) Long length (20 ~
(30 m), forming and bundling cables by bundling them, or forming a reinforcing bar cage that attaches and fixes many cables around the bundling ring, etc. It is a time-consuming and difficult task.

(Problems to be solved by the invention) The conventional on-site assembly processing of the cable and the rebar cage requires a lot of labor and time as the above-mentioned difficult work, and the pile strength, construction accuracy, and reliability are high. There is a problem in terms of performance, and labor saving and improvement in assembly processing, construction accuracy, etc. are becoming issues.

The present invention was developed in order to address the above-mentioned problems, and an object of the present invention is to provide a focusing guide tube group which is mounted on a mounting table and is rotatably operated, its expansion / contraction adjusting mechanism, and focusing. With the combination of rings, multiple cable formations,
It is an object of the present invention to provide a cable concentrating device for flexible rebar assembling and processing, which facilitates the expansion and contraction adjustment and the formation of a rebar cage to improve the on-site assembling work efficiency, labor saving and construction accuracy.

(Means for Solving the Problems) The present invention provides a focusing guide tube group formed by arranging a plurality of cable forming guide tubes that are inserted through a plurality of flexible reinforcing bars and bundled together in a circumferential arrangement in section, A mounting table that rotatably supports the focusing guide tube group enables the formation of a large number of cables and their parallel arrangement, thereby improving the assembly processing efficiency and accuracy.

Further, the cable length can be freely expanded and contracted by dividing the focusing guide tube group into a plurality of pieces in the longitudinal direction and detachably connecting them so as to have an expansion and contraction adjusting mechanism.

Further, by combining a focusing ring for fixing the respective cables formed by bundling by the focusing guide tube group on the circumference, the formation of the reinforcing bar cage is facilitated.

(Operation) When a plurality of flexible reinforcing bars are inserted into the cable forming guide tube of the focusing guide tube group mounted on the mounting table, they are aligned by the cable forming guide tube and bundled into the flexible reinforcing bar group. The cable is formed and supported, and the bundling guide tube group is rotated to repeat the bundling of the cable reinforcing bar group, and each flexible reinforcing bar group is bundled with a grip or the like, so that a large number of cables can be easily and quickly It is formed with high precision and is supported in parallel on the circumference of the cross section.

Further, by adjusting the length of the focusing guide tube group by the expansion and contraction adjusting mechanism, the formation length of the cable can be freely adjusted corresponding to the pile length.

Further, a large number of cables, which are formed by the focusing guide tube group and are supported in parallel, are attached to the circumference of the focusing ring and fixed, so that a reinforcing bar cage can be easily formed with high accuracy, and high efficiency is achieved. It will be constructed as a high-precision deterrent pile.

(Embodiment) An embodiment of the present invention is shown in FIGS. 1 to 5, in which a is a flexible rebar (more rebar), A is a cable formed of a plurality of flexible rebars, and 1 is a focusing guide. Tube group 2 is a cable forming guide tube, 3 is a tube support ring in which the cable forming guide tubes 2 are arranged in parallel on the circumference of the cross section, and 4a and 4b are expansion and contraction adjustments provided in the focusing guide tube group 1. A mechanism, 5 is a mounting base, and 10 is a focusing ring for converging a plurality of cable forming guide tubes 2 for inserting and bundling a plurality of flexible reinforcing bars a in parallel in a circumferential arrangement in section. The flexible-rebar-assembling cable focusing device is provided with a guide tube group 1 and a mounting table 5 that rotatably supports the focusing guide tube group 1.

Further, in the flexible reinforcing bar assembling cable converging device, the flexible reinforcing bar assembling and processing cable is configured such that the converging guide tube group 1 is divided into a plurality of pieces in the longitudinal direction and detachably connected to each other to provide the expansion and contraction adjusting mechanism 4a, 4b It is a focusing device.

Further, in the flexible rebar assembly cable converging device, a flexible rebar assembly cable combined with a converging ring 10 for fixing each cable A formed by the converging guide tube group 1 on the circumference. It is a focusing device.

More specifically, the focusing guide tube group 1 includes a large number (32 in the illustrated example) of cable forming guide tubes 2 and respective cable forming guide tubes fixed and arranged on the circumference of the cross section by appropriate means. From the expansion and contraction adjusting mechanism 4a, b composed of a plurality of juxtaposed tube support rings 3 and a brim 4a for connection and a bolt 4b for connection, which are attached by dividing each cable forming guide tube 2 into a plurality in the longitudinal direction. And is rotatably mounted by the roller group 6 of the mounting table 5 via the pipe support ring 3, and at the work site, as shown in FIG. 1, the feeding table 21 of the iron wire (flexible rebar) a, high speed cutting Machine 22, cut twisted iron wire a
The supporting base 23, the focusing guide tube group 1 mounted on the mounting base 5, the product mounting base 24, and the pull-out winch 25 are arranged and assembled.

Assembling and processing the flexible reinforced concrete pile shown in FIG. 5 will be described. For example, when forming a cable with a length of 26 m, the focusing guide tube group 1 is adjusted to 24 m, and the twisted iron wire a (1 × 7- 16.5 mmφ) support stand 23
When it is cut up to 26 m, and the tips of the 7 stranded wires a that have been cut are bundled with a grip 30 or the like and inserted into the cable forming guide tube 2, they are easily inserted, aligned and supported in a bundle. The stranded wire a bundle is formed, the focusing guide tube group 1 is rotated, and the insertion and bundling are repeated, and the stranded wire a bundle is formed in each cable forming guide tube 2 and arranged in parallel. A plurality of cables A are easily, quickly and accurately formed by bundling them while pulling them out from the cable forming guide tube 2 with a winch 25.

In addition, the focusing guide tube group 1 is divided into a plurality of pieces in the longitudinal direction and is expanded and contracted by expansion and contraction adjusting mechanisms 4a and 4b each of which is composed of a connecting collar portion 4a and a connecting bolt 4b. The length of the cable A and the pile length can be easily and freely adjusted.
Further, the diameter and the number of the iron wire a and the number of formed cables can be adjusted more freely. The expansion / contraction adjusting mechanism is not limited to the illustrated example, but various mechanisms can be used.

Further, as shown in FIG. 3, the focusing ring 10 includes a body ring 11 and a large number of partition plates protruding from the outer periphery of the body ring 11.
12, a fitting projection 10 protruding from the inside of the main body ring 11 and capable of being fitted to the end of the focusing guide tube group 1, a suspending bar 14 protruding from the main body ring 11 and engaged with the upper end of the steel pipe 36, etc. As shown in FIG. 4, the tip of each bundle of strands a inserted into and supported by each cable forming guide tube 2 of the focusing guide tube group 1 in each outer peripheral section of the focusing ring 10. The parts are arranged and fixed by welding or other means. The winches 25 pull out the individual strands of the wire a through the focusing ring 10, and if necessary, bundle the individual strands of the wire a with a hoop. muscle
32 is attached, and a focusing ring 31 is attached to the rear end portion and fixed to form a reinforcing bar cage.

As shown in FIG. 5, a steel pipe 36 is built in the drilled hole 35 with a crane (not shown), and the rebar cage is built in the steel pipe 36 so that mortar (cement) is put inside and outside the steel pipe 36. Stuffing
42, 43 is packed outside and installed on the restraining pile. In the figure, 41 is the primary filling mortar, and 44 is the protective concrete for the pile head.

(Advantages of the Invention) The present invention is configured as described above, and by the focusing guide tube group rotatably mounted on the mounting table, a large number of cables can be easily, quickly and accurately formed by flexible reinforcing bars. By the expansion and contraction adjusting mechanism, the length of the focusing guide tube group is easily expanded and contracted according to the pile length to easily form a cable of a desired length and the focusing guide tube group. It is possible to easily attach and fix each cable that is formed and supported on the circumference of the focusing ring to easily form a high-precision rebar cage, which greatly improves field assembly processing, construction accuracy, and efficiency. Significant labor savings and cost savings.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a mode of use of the present invention, and FIGS. 2 (A) and 2 (B) are II-II perspective views of FIG.
3 (A) and 3 (B) are a front view and a vertical sectional view of the focusing ring,
FIG. 4 is a view of a mode of use of the focusing ring, and FIG. 5 is a vertical sectional view of a flexible reinforced concrete pile. a: Flexible rebar, A: Cable 1: Focusing guide tube group 2: Cable forming guide tube 4a, b: Expansion / contraction mechanism, 5: Mounting stand 10: Focusing ring

Claims (3)

[Claims] 1. A focusing guide tube group formed by arranging a plurality of cable forming guide tubes, which are bundled by inserting a plurality of flexible reinforcing bars, in a circumferential arrangement in cross section, and rotating the focusing guide tube group. A cable concentrating device for flexible rebar assembling and processing, characterized in that it has a pedestal that operably supports it. 2. The flexible-rebar-assembling cable converging device according to claim 1, wherein the converging guide tube group is divided into a plurality of parts in the longitudinal direction and detachably connected to each other so as to have an expansion and contraction adjusting mechanism. A cable concentrator for flexible rebar assembly processing. 3. A flexible rebar assembly cable converging device according to claim 1 or 2, wherein a converging ring for concentrating each cable formed by the converging guide tube group on the circumference is combined. A cable concentrating device for flexible rebar assembling and processing.