JPH0978535A - Fixing metal fitting at wire rope intersection and its fixing method - Google Patents

Abstract

(57) [Abstract] (Correction) [PROBLEMS] To provide an assembly fixing metal fitting to a wire rope intersection and a fixing method. SOLUTION: A steel wire material 2 having elasticity is formed in a long rectangular shape or a parallelogram shape, and both side parts on the long side are bent upward, and a pair of lower support parts 3 are provided with a front-rear space therebetween. To form a pair of upper support portions 5 with a left-right spacing, and one lower support portion 3 has a lower half support concave portion 3c and lower half support portions 3a, 3
b, or alternatively, a pair of upper supporting portions 5 each having an upper half supporting concave portion 15 formed in the upper half supporting concave portion 15 is characterized by a fixing metal fitting at a rope crossing portion, and both end portions 2a, 2 of the steel wire 2 are characterized.
The polymerized lower half supporting recesses 3a, 3b, 3c are fitted and assembled at the intersections of the open wire ropes, and the pair of lower half supporting recesses 3a, 3b, 3c and the pair of upper supporting parts 5, 5 are formed.
Alternatively, it is characterized by a method of fixing the wire rope crossing portion in which both side portions of both wire ropes of the crossing portion are elastically supported and fixed by the upper half supporting recesses 15, 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire rope intersection fixing fitting suitable for fixing an intersection where various wire ropes (cables) are stretched vertically or horizontally or obliquely, and a fixing method thereof. is there.

[0002]

2. Description of the Related Art For example, as shown in FIG. 3, a large number of wire ropes (cables) a1 and a2 are anchored to a slope S and stretched vertically and horizontally on a slope where there is a risk of falling rocks. Then, if necessary, the middle portion of the wire rope is anchored (not shown), the crossing portion of the wire rope is fixed by a fixing bracket c, and a wire net d is stretched on this vertical and horizontal cable group by an appropriate means. Is being constructed. In addition, for example, as shown in FIG. 4, the fixing metal fitting at the wire rope crossing portion is fixed to one wire rope a2 by abutting the fixing plate c1 with the fitting groove c2 on the crossing portion of the wire ropes a1 and a2. The structure is such that a pair of U bolts c3 are fitted and tightened with washers c3 and nuts c5, and the wire rope at the intersection is tightened and fixed. Or wire rope a
A pair of fixing plates with a fitting groove is abutted on the upper and lower sides of the intersection of 1 and a2, and both fixing plates are clamped and fixed with a plurality of bolts, nuts, etc. (shown). Omitted).

[0003]

As described above, the conventional wire rope crossing fixture has a structure in which the crossing of the wire rope is fixed by tightening the fastening plate with the fitting groove and bolts or nuts. Therefore, a large number of fixing fittings are required to fix the intersections of the wire ropes stretched on a slope or the like, which is a dangerous work requiring a lot of members and labor. Further, there is a problem that fixing performance may be deteriorated due to variation in tightening by bolts or loosening, which results in high cost.

The present invention was developed in order to solve the above-mentioned problems, and the object thereof is to provide a pair of lower half supporting recesses and a pair of elastic steel wire members at intervals. Provided with a wire rope crossing fixture and a method for fixing the wire rope crossing that has improved workability and fixing performance such as assembling to the wire rope crossing and improved reliability by forming the upper support part or the upper half support concave part of There is.

[0005]

According to the present invention, a steel wire material having elasticity is formed into a long rectangular shape or a parallelogram shape, and both end portions are overlapped with each other. With both sides bent upward, a pair of lower support parts and a pair of upper support parts are formed with a front-rear space and a pair of lower support parts, and a lower half support recess is formed in one lower support part. A lower half support recess formed by overlapping at both ends is formed on the other lower half support part, and is slightly shorter than the total diameter of both wire ropes that intersect the vertical spacing between the pair of upper support parts and the pair of lower half support recesses. Or alternatively, the upper half supporting recesses are formed in the pair of upper supporting parts, respectively, and the total diameter of both wire ropes intersecting the vertical interval between the pair of upper half supporting recesses and the pair of lower half supporting recesses. As a fixture for the wire rope intersection, which is made slightly shorter , The polymerized lower half supporting recesses composed of both ends of this steel wire material are fitted and assembled at the intersections of the open wire ropes, with a pair of lower half supporting recesses and a pair of upper supporting parts or both upper half supporting recesses. By fixing the wire rope by fitting it on both sides of both wire ropes at the intersection, it is easy to assemble and fix the wire rope at the intersection, and elastically support both sides of both wire ropes at the intersection. By equalizing the force and the fixing force between ropes, the workability such as assembling and the fixing performance and reliability are improved to reduce the cost.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1A shows a first embodiment of the present invention, a wire rope crossing fixing member 1, FIGS. 1B to 1E show a fixing method, and FIG. 2A shows a second embodiment fixing member 11, FIG. 2B.
The fixing method is shown in FIGS.

The fixing fitting 1 of the first embodiment shown in FIG. 1A is
As shown in the figure, it is formed of a steel wire material 2 having appropriate elasticity (stainless steel material or the like if necessary), and the steel wire material is formed into an appropriately long rectangular shape so that both end portions 2a and 2b are polymerized by an appropriate length. The pair of lower side support portions 3 supporting the both sides of the wire rope 8a as shown in the figure are formed by bending both sides of the long side of the long rectangle upward at substantially right angles.
The steel wire 2 is formed at a middle portion and both end portions 2a and 2b with a predetermined front-rear spacing, and a pair of upper support portions 5 supporting both sides of the wire rope 8b are formed with a predetermined left-right spacing. , The lower half support recess 3c is formed in one of the lower support portions 3 (the intermediate portion of the steel wire 2), and the other lower support portion 3
Lower half supporting recesses 3a superposed on (both ends 2a, 2b),
3b is formed, and the vertical distance L1 between the upper support portions 5, 5 and the lower half support recesses 3a, 3b, 3c is slightly shorter than the total diameter D1 + D2 of the intersecting wire ropes 8a and 8b. It is a fixture 1 at the rope intersection. The fixing metal fitting 1 shown in the drawing has a long rectangular shape, and both side portions on the long side are bent upward at a substantially right angle and then formed into a rectangular shape or a square shape in a plan view, and an intersection where both wire ropes 8a and 8b are substantially orthogonal to each other. However, it is also possible to form a long parallelogram shape and bend both sides of the long side upward at a substantially right angle and then form a rhombus shape in plan view (not shown). , In this case, it is applied to the fixing of the intersection where both wire ropes cross each other.

The fixing metal fitting 1 shown in the drawing is, for example, at the intersection of the wire ropes 8a and 8b shown in FIGS.
The polymerized lower half supporting recesses 3a and 3b composed of both end portions 2a and 2b of the steel linear member 2 are appropriately widened as shown by arrow A against the elasticity by an appropriate gripping device (not shown). The rope 8a is inserted from the lower right side to the upper side (see FIG. 1B), and further, the lower half support recesses 3a and 3b are similarly appropriately wide opened via the upper side of the wire rope 8b as shown by the curved lines. When inserted downward from the right upper side of 8a, the pair of lower half support recesses 3a, 3b, 3c are provided on both sides of the wire rope 8a at the intersection, and the pair of upper support portions 5, 5 are provided on the wire rope 8b at the intersection. The wires are fitted on both sides, respectively, and are easily fitted and assembled at the intersections of the wire rope, and the pair of lower half supporting recesses 3a, 3b, 3c and the pair of upper supporting portions 5, 5 are both wires at the intersections. Both sides of the ropes 8a and 8b (upper and lower sides in the figure) And summer to a fixed method of payments.

When assembling the fixing member 1 at the intersection of the wire ropes as described above, for example, the wire rope 8b on the small diameter side is greatly curved as shown in the drawing, and is easily fitted to the intersection of the wire ropes. When the fixing metal fitting 1 is assembled in this way, the tensions T1 and T2 are provided on both sides of the wire ropes 8a and 8b at the intersections, the load F1 is provided on the wire rope 8b, and the lower half supporting recesses 3a, 3b and 3 are provided.
The load F2 is applied to the c, and the load F3 is applied to the upper support parts 5 and 5, and the upper support parts 5 and 5 and the lower half support recesses 3a and 3 are formed.
The vertical distance L1 between the wire ropes 8b and 3c is moderately extended, and the bending of the wire rope at the intersection is reduced.
An appropriate contact frictional force is generated between the two lower half supporting recesses 3a,
3b, 3c and the wire rope 8a, and between both upper side support portions 5, 5 and the wire rope 8a, a suitable contact frictional force is generated, and these are steel even if there is some variation in the load. The elasticity of the linear member 2 substantially equalizes the upper and lower support portions 5 and 5 formed on both sides of both lower half support recesses 3a, 3b and 3c with an appropriate interval L3 so that both sides of the wire rope 8b have a proper degree. Excellent stability and reliability, such as stable support over distance.

As described above, it can be easily assembled at the intersection of the wire rope, and if necessary, the polymerized lower half supporting recess made of both end portions 2a and 2b of the steel wire 2 can be opened and easily removed. It has excellent workability such as fixing / releasing wire rope intersections, such as easy adjustment of wire rope intersections and removal of ropes.
Is provided at a low cost such that it is formed of only one steel wire rod 2 and has a simple structure and the amount of steel is remarkably reduced.

The fixing member 11 of the second embodiment shown in FIG.
Compared with the fixture 1 of the first embodiment, upper half supporting recesses 15 and 15 are formed in the pair of upper supporting portions 5, respectively, and a pair of upper half supporting recesses 15 and 15 and a pair of lower half supporting recesses 3a and 3b are formed.
Both wire ropes 8c intersecting the vertical distance L2 with 3c,
It is characterized in that it is formed to be a little shorter than the total diameter D3 + D3 of 8c, and other configurations are basically the same as those in the first embodiment.

As shown in FIGS. 2B and 2C, the fixing metal fitting 11 is, for example, curved at the intersection of the two wire ropes 8c, 8c and is easily fitted to this intersection as in the first embodiment. Regarding the fixing method in which the pair of lower half supporting recesses 3a, 3b, 3c and the pair of upper half supporting recesses 15, 15 elastically support both side portions (upper and lower sides in the drawing) of both wire ropes 8c, 8c at the intersection portion. No. 1 at the intersection of the wire ropes 8c, 8c
The same tension and load as in the embodiment are generated, and the vertical distance L2 between the upper half supporting recesses 15, 15 and the lower half supporting recesses 3a, 3b, 3c is moderately extended, and the bending of the wire rope at the intersection is reduced. , An appropriate contact frictional force is generated between the wire ropes 8c and 8c, and between the lower half supporting recesses 3a, 3b, 3c and the wire rope 8c, and the upper half supporting recesses 15 and 15.
An appropriate contact frictional force is also generated between the wire rope 8c and the wire rope 8c, and these are almost equalized by the elasticity of the steel wire rod 2 even if the load slightly fluctuates. Three
b, 3c and both upper half support recesses 15, 15 are formed with proper intervals L3, L4 on both sides, and both sides of both wire ropes 8c are stably supported at an appropriate distance, thus providing excellent fixing performance and reliability. In addition, basically, the same operation and effect as in the first embodiment can be obtained.

In the fixing fittings 1 and 11 of the illustrated first and second embodiments, a steel wire material is formed into a long rectangular shape, and both sides of the rectangular long side are bent upward. After forming it into a rectangular shape, it is formed in a rectangular shape in plan view to fix the intersecting parts of the two wire ropes that intersect at right angles, but the steel wire material is formed into a long parallelogram shape. By bending both sides of the long side of the shape to the upper side and then forming it in a rhombus shape in plan view, it is also fitted and installed in the diagonal intersection of both wire ropes in the same way. Similarly, they can be easily fixed, and the same action and effect can be obtained.

[0014]

According to the present invention, the steel wire material having elasticity as described above is formed into a long rectangular shape or a parallelogram shape and both end portions are overlapped with each other to form a long side of the long rectangular shape or the parallelogram shape. Both side parts are bent to the upper side, and a pair of lower support parts and a pair of upper support parts are formed with a front-rear space and a pair of lower support parts, and a lower half support recess is formed in one lower support part. On the other hand, a lower half support recess is formed on both sides of the other lower half support part, and it is slightly shorter than the total diameter of both wire ropes that intersect the vertical gap between the pair of lower support parts and the pair of lower half support recesses. The total of both wire ropes that are used as the formed metal fittings, or alternatively, the upper half supporting recesses are formed on the pair of upper supporting parts, respectively, and the upper and lower half supporting recesses and the pair of lower half supporting recesses intersect the vertical interval. The solid part of the wire rope intersection formed a little shorter than the diameter. As a metal fitting, a polymerized lower half supporting recess made of both ends of this steel wire material is fitted and assembled at the intersection of the open wire rope, and a pair of lower half supporting recesses and a pair of upper supporting parts or both upper half supporting parts are mounted. By fixing the wire rope crossing part by fitting and fixing it on both sides of both wire ropes at the crossing part in the concave part, it is easy to assemble and fix the wire rope at the orthogonal and oblique crossing parts. Elasticity equalizes the elastic supporting force on both sides of both wire ropes at the intersection and the fixing force between the ropes, improving the workability as well as the fixing performance and reliability.

As described above, the wire rope can be easily assembled at the intersection, and the polymerized lower half supporting recess formed of both ends of the steel wire can be opened and removed easily as needed. The ease of adjustment and removal of the wire rope intersection is improved, and workability such as fixing and releasing the wire rope intersection is improved. As described above, the fixing metal fitting is formed of only one steel wire-like material, and has a simple structure, so that the amount of steel is remarkably reduced and it is provided at low cost.

[Brief description of drawings]

FIG. 1 is a perspective view (A) of a fixing member showing a first embodiment of the present invention, a side view (B) of an assembling process at a wire rope intersection, and a side view (C) of an assembling process. Similarly a front view (D) and a similar perspective view (E)

FIG. 2 is a perspective view (A) of a fixing bracket showing a second embodiment, a side view (B) when assembled, and a front view (C) of the same.

FIG. 3 is a plan view of a protective net for rockfall etc. showing a conventional example.

FIG. 4 is a plan view (A) and a front view (B) showing an example of a conventional fixture.

[Explanation of symbols]

 2 Steel wire rods 2a, 2b Both end parts 3 Lower support part 3a, 3b, 3c Lower half support recess 5 Upper support part 8a, 8b, 8c Wire rope 15 Upper half support recess D1 + D2, D3 + D3 Total diameter (wire rope) L1 , L2 vertical spacing

Claims (3)

[Claims] 1. A steel wire material having elasticity is formed into a long rectangular shape or a parallelogram shape, both end portions are overlapped, and both side portions on the long side of the rectangular shape or parallelogram shape are bent upward. And a pair of lower support parts with a front-rear space and a pair of upper support parts with a left-right space, and a lower half support recess formed in one lower support part and another lower support part in the other lower support part. It is characterized in that the lower half supporting recesses formed by overlapping at both ends are formed to be a little shorter than the total diameter of both wire ropes intersecting the vertical gap between the pair of upper supporting parts and the pair of lower half supporting recesses. Fixing bracket for rope intersection. 2. A rope crossing fixture according to claim 1, wherein upper half supporting recesses are formed in the pair of upper supporting parts, and a pair of upper half supporting recesses and a pair of lower half supporting recesses are formed. A fixing metal fitting for the rope intersection, which is formed to be slightly shorter than the total diameter of both wire ropes that cross the upper and lower intervals. 3. The wire rope crossing fixture according to claim 1 or 2, wherein the overlapped lower half supporting recesses formed at both ends of the steel wire member are fitted to the crossing of the wire rope. A method of fixing a wire rope crossing part, characterized in that the wire rope crossing part is fixed by elastically supporting both side parts of both wire ropes of the crossing part with a pair of lower half supporting recesses and a pair of upper supporting parts or upper half supporting recesses.