JP2003052115A - Cable holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cable holder which is suitable for wiring cables in appropriate number of stages, is capable of supporting cables for an extended period of time, even under impulsive wind or normal vibration, and minimizes damages to the covering on cables. SOLUTION: The cable holder consists of a mounting frame 1 fixing bolts 3, fixedly attached into connecting holes 1A formed in the mounting frame 1, and cable support tools 2 made of a elastic material, which are wrapped around the side faces of cables and are tightened by the fixing bolts 3. A fixing bolt 3 is pressed against the mounting frame 1, together with the open end of clamping hardware 2, and a gap Q for pushing against is made narrow to insert the fixing bolt 3, protruding from the clamping hardware 2, into a connecting hole 1A and for clamping the bolt there.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable support for supporting a proper number of wiring cables along a soundproof wall for a railway such as a bullet train or a wall surface of a subway or an expressway.

[0002]

2. Description of the Related Art Conventionally, a suspension rail for a cable support fitting, which was previously devised by the applicant of the present invention, has been used as a support tool for wiring a plurality of stages of cables inside and outside various building structures.
032883) has already been used. This support is configured such that a plurality of cables can be sequentially connected downward.

A cable supporting member 1 shown in FIG. 8 is used as a cable supporting member for supporting a cable on a soundproof wall such as a bullet train.
There is 0. This support member 10 uses a flat bar L arranged along the soundproof wall of the Shinkansen. The support member 10 is inserted between the flat bar L and the soundproof wall, and the cable is attached to the support member 10. It supported P.

[0004]

However, since the cable support device according to the former invention has a structure in which the cable is placed on the hook-shaped support device, it is not suitable for installation in a place subject to vibration or wind pressure. It was It is also possible to connect the support and the cable with other members, but if the wiring distance is extremely long, such as on a highway or bullet train soundproof wall,
If the work of locking the cable and the work of connecting the support tool and the cable are separate works, it is extremely irrational work.

On the other hand, the soundproof wall of the Shinkansen has a structure that receives shock wind and special vibration when passing through a train running at high speed. Therefore, the durability of the conventional cable support member 10 using the Shinkansen soundproof wall is extremely shorter than that of the support member used in the general wiring place, and it may break in a few years. In addition, the side surface of the cable P with which the support member 10 is in contact with the support member 10 bites as the cable P vibrates, so that the coating is severely damaged, which may adversely affect the internal cable body. Furthermore, not only the noise barriers on the Shinkansen but also when wiring the cables along the noise barriers on conventional lines and on the walls of subways, highways, etc., vibration and vibration when passing through the vehicle add to the cables, so these locations The supporting materials used in the above also have a shorter service life than the supporting materials used for general wiring locations.

[0006] In addition, noise barriers for railways such as Shinkansen, subways,
When the cables P are laid along the wall surface of a highway or the like, the wiring distance is extremely long in all cases, and therefore it is necessary to simplify the mounting work of each support member 10 as much as possible. Therefore, the cable support material that requires time and effort for mounting is
Even if it has a high durability performance, it cannot be used because it will prolong the construction work.

Therefore, the present invention was created in order to solve the above-mentioned problems, and is suitable for simplifying the cable mounting work and wiring a suitable number of stages of cables inside and outside various building structures. The purpose of the present invention is to provide a cable support tool that can reliably support a cable for a long period of time even if it receives an impact wind when passing a vehicle or a special vibration, and that the damage to the cable coating is extremely small. To do.

[0008]

In order to achieve the above-mentioned object, the first means of the present invention is to attach a metal strip-like mounting base 1 which is fixed vertically to a cable supporting surface of a building. ,
A fastening bolt 3 which is fastened to the connecting hole 1A opened in the mounting base 1 and a fastening bolt 3 which is wound around the side surface of the cable P.
The cable support 2 is made of an elastic material and is fastened with the fastening bolts 3. The fastening bolts 3 are temporarily fastened with a pressing gap Q between the open ends of the cable support 2 fastened with the fastening bolts 3. Attach the mounting bolt 3 together with the open end of the locking metal fitting 2 to the mounting base 1
The pressing bolt 3 is pressed to the side to narrow the pushing gap Q to insert and lock the fastening bolt 3 protruding from the locking metal fitting 2 into the connecting hole 1A.

In the second means, the connecting hole 1A of the mounting base 1 has a locking hole portion 1 for locking the head portion 3A below the insertion portion 1Aa into which the head portion 3A of the fastening bolt 3 is inserted.
Ab is connected.

A third means is to insert a locking hole 2 into the locking metal fitting 2 at one open end located on the side of the mounting base 1.
A is opened, and the slide hole 2B is provided on the other open end.
And insert the fastening bolt 3 into the insertion locking hole 2A.
The head portion 3A of the fastening bolt 3 which is temporarily fixed to the slide hole 2B is provided by connecting the locking hole portion 2Ab for locking the head portion 3A to the upper portion of the insertion hole portion 2Aa into which the head portion 3A is inserted. After inserting into the insertion hole 2Aa of the insertion locking hole 2A, the locking hole 2
Lock to Ab.

A fourth means is to provide a locking projection 2C on the upper part of the insertion locking hole 2A in the locking metal fitting 2 and to attach the fastening bolt 3 temporarily fixed to the locking metal fitting 2 to the locking hole of the mounting base 1. Part 1 Ab
When locked to, the locking protrusion 2C locks in the insertion portion 1Aa of the mounting base 1.

As the fastening bolt 3 of the fifth means, a square root bolt having a square root portion 3B fitted into the locking hole portion 1Ab of the connecting hole 1A is used.

The sixth means is to solve the problem by providing a coating material on the cable P contact surface of the locking fitting 2.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. The basic structure of the cable supporting member of the present invention is composed of a mounting base 1, a locking metal fitting 2, and a fastening bolt 3.

The mounting base 1 is a soundproof wall for railways such as bullet trains,
Alternatively, it is a metal strip that is fixed vertically to the cable support surface of a building such as a subway or highway wall surface (see Fig. 1). The mounting base 1 shown in the drawing is bent at its both ends into a hook shape on its side surface to form a connecting portion 1B.
Anchor bolt R is inserted into the connection hole 1C opened in the above and is fixed to a predetermined wall surface.

A connecting hole 1A for locking the fastening bolt 3 is opened in the mounting base 1. The connection hole 1A is provided below the insertion portion 1Aa into which the head portion 3A of the fastening bolt 3 is inserted.
A locking hole portion 1Ab for locking the head portion 3A is continuously provided, and the fastening bolt 3 protruding from the locking metal fitting 2 is connected to the coupling hole 1A.
Insert and lock.

The locking metal fitting 2 is formed of an elastic metal strip plate which is wound around the side surface of the cable P and mounted (see FIG. 2). As the material of the locking metal fitting 2, the use of a stainless spring material is most suitable in terms of durability, but other elastic metal materials can be used. The locking metal fitting 2 shown in the drawing is provided at both ends of the open end of the winding portion 2E that is wound around the side surface of the cable P.
F is formed. An insertion locking hole 2A is opened in one of the connecting ends 2F, and a slide hole 2B is opened in the other connecting end 2F. Further, by providing the covering material 2D on the cable P contact surface of the locking metal fitting 2, it is possible to prevent the locking metal fitting 2 made of a metal strip from being damaged on the side surface of the cable P. The covering material 2D shown in the figure is a locking metal fitting 2
Although the entire wound portion 2E is covered with a thick coating material, it may be provided at least on the cable P contact surface. Further, the covering material 2D and the locking metal fitting 2 can be formed separately.

The fastening bolt 3 is a connecting end portion 2 of the locking fitting 2.
The fastening bolt 3 is fastened and fastened to the connection hole 1A of the mounting base 1, and the fastening bolt 3 is temporarily fastened to the slide hole 2B in advance (see FIGS. 2 and 3). On the other hand, the insertion locking hole 2A into which the head 3A of the fastening bolt 3 is inserted is the insertion hole 2
A locking hole 2Ab for locking the head 3A is continuously provided on the upper part of Aa (see FIG. 2). Then, the head portion 3A of the fastening bolt 3 temporarily fixed to the slide hole 2B is inserted into the insertion hole portion 2Aa of the insertion locking hole 2A, and then the locking hole portion 2A.
It is locked to b (see FIGS. 3 and 4). Fastening bolt 3 shown
Uses a fastening bolt 3 having a flange on the head 3A to increase the locking force with respect to the locking hole 2Ab, but it is also possible to use a bolt having no flange.

The fastening bolts 3 are connected to each other with the pushing gap Q opened between the open ends of the cable support 2 (see FIG. 3). The pushing gap Q is narrowed by the pushing gap Q when the fastening bolt 3 is pushed to the mounting base 1 side together with the open end portion of the fastening fitting 2, so that the fastening bolt 2 is pushed from the fastening fitting 2 to the fastening bolt. 3 projecting, the projecting fastening bolt 3 is inserted and locked in the connecting hole 1A (FIG. 5).
reference). In the illustrated example, the head portion 3A of the fastening bolt 3 is locked in the connecting hole 1A, but a connecting nut 4 screwed to the fastening bolt 3 may be locked in the connecting hole 1A. Also, by using a square root bolt for the fastening bolt 3,
The tightening work of can be further facilitated. That is,
Connect the square root portion 3B of the square root bolt to the locking hole portion 1A of the connecting hole 1A.
By fitting it to b, it is possible to prevent idling when tightening the fastening bolt 3 (see FIGS. 5 and 7). Further, when the mounting base 1 is subjected to hot dip galvanizing, the opening of the connecting hole 1A becomes slightly smaller due to this plating. At this time, the corner root portion 3B of the corner root bolt may rarely be fitted into the locking hole portion 1Ab. Therefore, when the head portion 3A of the square root bolt is formed in a hexagonal shape or a polygonal shape, and when the square root portion 3B does not enter the locking hole portion 1Ab, the head portion 3A is fixed with a tool and the fastening bolt 3
It is designed to prevent idling when tightening. Further, the hexagonal head portion 3A is also effective when the square root portion 3B scrapes off the locking hole portion 1Ab to make the locking hole portion 1Ab into a hollow hole shape.

Reference numeral 2C shown in the drawing is a locking projection 2C which is locked in the insertion portion 1Aa. The locking protrusion 2C locks in the insertion portion 1Aa of the mounting base 1 when the fastening bolt 3 is locked in the locking hole 1Ab of the mounting base 1 (see FIG. 6). The illustrated locking projection 2C is formed by bending the upper end of the connecting end 2F located above the insertion locking hole 2A (see FIG. 2). Then, the fastening bolt 3 inserted into the insertion portion 1Aa of the connection hole 1A is slid downward (FIGS. 5 and 7).
When the fastening bolt 3 is locked in the locking hole 1Ab at the normal position, the locking projection 2C engages with the inside of the insertion portion 1Aa (see FIG. 6).

The cable support material of the present invention is used as follows. First, the fastening bolt 3 is temporarily fixed to the slide hole 2B of the locking fitting 2 (see FIG. 2). Then, in this state, after inserting the side surface of the cable P into the winding portion 2E of the locking metal fitting 2, the fastening bolt 3 is locked in the insertion locking hole 2A (FIG. 3).
reference). Subsequently, the fastening bolts 3 are pressed together with the open ends of the locking fittings 2 toward the mounting base 1 side, and the fastening bolts 3 are inserted into the insertion portions 1Aa, and then the fastening bolts 3 are moved downward together with the locking fittings 2. The fixing bolt 3 is slid and locked in the locking hole 1Ab (see FIG. 5). Finally, the fastening bolt 3 (connecting nut 4) is tightened to complete the mounting work.

[0022]

The present invention has achieved the original object by being configured as described above.

That is, according to the first and second aspects, the fastening bolt 3 temporarily fixed to the locking metal fitting 2 is pressed together with the open end of the locking metal fitting 2 toward the mounting base 1 side, and is inserted and locked in the connecting hole 1A. Therefore, the mounting work of the cable P is extremely simplified,
The installation work is extremely rational and simple not only when the one-stage cable P is attached to the inside and outside of various building structures but also when the plural-stage cables P are attached.

Further, according to claim 3, the head portion 3A of the fastening bolt 3 temporarily fixed to the slide hole 2B is inserted into the insertion hole portion 2Aa of the insertion locking hole 2A, and then the locking hole portion 2Ab.
Since the fastening bolt 3 is temporarily fixed to the locking metal fitting 2, the locking metal fitting 2 can be wound around the side surface of the cable P. Therefore, the locking metal 2
It is possible to extremely simplify a series of operations up to installing the cable, and it is particularly suitable for installing on a cable P having a long distance, such as a soundproof wall of a bullet train or wiring in a subway.

With the locking projection 2C according to claim 4, when the fastening bolt 3 temporarily fixed to the locking metal fitting 2 is locked in the locking hole portion 1Ab of the mounting base 1, the locking projection 2C Since it engages in the insertion portion 1Aa of the mounting base 1, the fixing force between the mounting base 1 and the locking metal fitting 2 is increased, and it is possible to visually judge whether or not the mounting base 1 is fixed at a normal position, so that safe wiring is possible. Construction is possible.

As described in claim 5, by using a square root bolt having a square root portion that fits into the locking hole portion 1Ab of the connecting hole 1A as the fastening bolt 3, the fastening bolt 3 is tightened. The work is further simplified, and even a large number of cables P can be wired extremely rationally and quickly.

Since the coating material 2D is provided on the cable P contact surface of the locking metal fitting 2 as described in claim 6, there is no risk of damaging the coating material of the cable P, and the locking metal fitting 2 is fixed. Since the cable is made reliable, it is possible to reliably support the cable for a long period of time even if it receives an impact wind when passing a vehicle or a special vibration.

As described above, according to the present invention, it is suitable for arranging an appropriate number of stages of cables inside and outside various building structures by simplifying the work of attaching the cables, such as impact wind when passing a vehicle and special Even if it receives such vibration, the cable can be reliably supported for a long period of time, and further, various advantageous effects such as damage to the coating of the cable being extremely small can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view of a mounted state according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a mounting example of a locking metal fitting according to the present invention.

FIG. 3 is a cross-sectional view showing a state in which a fastening bolt is inserted into the insertion locking hole of the locking metal fitting of the present invention.

FIG. 4 is a perspective view of an essential part showing the relationship between the insertion locking hole of the locking fitting and the head of the fastening bolt in the present invention.

FIG. 5 is a cross-sectional view of essential parts showing a mounted state of the present invention.

FIG. 6 is a perspective view of an essential part of the mounted state of the present invention seen from the back side.

FIG. 7 is a perspective view of an essential part showing the relationship between the connection hole of the mounting base and the head of the fastening bolt in the present invention.

FIG. 8 is a perspective view showing a conventional support member.

[Explanation of symbols]

L flat bar P cable Q Gap for pushing R anchor bolt 1 Mounting frame 1A Connection hole 1Aa insertion part 1Ab locking hole 1B connection part 1C connection hole 2 Locking fitting 2A Insert locking hole 2Aa insertion hole 2Ab locking hole 2B slide hole 2C locking protrusion 2D coating material 3 Fastening bolt 3A Head 3B corner root 4 Connection nut 10 Conventional support material

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor, Shoji Watanabe             1-4, Mei Station, Nakamura-ku, Nagoya City, Aichi Prefecture               Tokai Passenger Railway Co., Ltd. (72) Inventor Hiroshi Masuzawa             1-4, Mei Station, Nakamura-ku, Nagoya City, Aichi Prefecture               Tokai Passenger Railway Co., Ltd. (72) Inventor Taro Kanda             Stock 1-3-3 Chuo, Edogawa-ku, Tokyo             Company Brest Industrial Research Institute (72) Inventor Masayuki Otani             Stock 1-3-3 Chuo, Edogawa-ku, Tokyo             Company Brest Industrial Research Institute F-term (reference) 3J001 FA19 GB01 GC04 GC12 HA02                       JA08 JB02 JB14 KA19 KB04                 3J022 DA03 DA12 EA15 EA42 EB14                       EC14 EC22 FA01 FB03 FB06                       FB07 FB12 FB18 GA03 GA12                       GB43 GB45 GB53                 5G363 AA16 BA01 DA12 DA15

Claims (6)

[Claims] 1. A metal strip-shaped mounting base fixed in a direction perpendicular to a cable supporting surface of a building, a fastening bolt fixed to a connecting hole opened in the mounting base, and a cable. It consists of an elastic cable support that is wrapped around the side and tightened with fastening bolts.Temporarily tighten the fastening bolts by opening a pushing gap between the open ends of the cable support that is fastened with the fastening bolts. Then, the fastening bolt together with the open end of the locking metal fitting is pressed against the mounting frame side to narrow the pressing gap and insert and lock the fastening bolt protruding from the locking metal fitting into the connecting hole. Cable support. 2. The cable according to claim 1, wherein the connecting hole of the mounting base has a locking hole portion that locks the head portion of the fastening bolt, the locking hole portion being connected to the lower portion of the insertion portion. Support. 3. In the locking fitting, an insertion locking hole is opened at one open end located on the side of the mounting base, and a slide hole is opened at the other open end, and the insertion member is inserted. In the stop hole, a locking hole portion for locking the head portion is continuously provided above the insertion hole portion into which the head portion of the fixing bolt is inserted, and the head portion of the fixing bolt temporarily fixed to the slide hole is fixed. The insertion locking hole is inserted into the insertion hole portion and then locked in the locking hole portion.
Or the cable support according to item 2. 4. The locking fitting, wherein a locking projection is provided on an upper part of the insertion locking hole, and when a fastening bolt temporarily fixed to the locking metal is locked in the locking hole portion of the mounting base, The cable support according to any one of claims 1 to 3, wherein the locking protrusion engages with the insertion portion of the mounting base. 5. The fastening bolt is a square root bolt having a square root portion that fits into a locking hole portion of the connecting hole.
5. The cable support according to any one of 4 to 4. 6. The cable support according to claim 1, wherein a coating material is provided on a cable contact surface of the locking metal fitting.