JP2003061219A - Feeder supporting device within tunnel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a feeder supporting device which can easily adjust insulation interval for wall surface. SOLUTION: An upper fitting metal tool 2 and a lower fitting metal tool 3 are fixed to the wall surface T in both upper and lower sides of a feeder W extending along the wall surface T of a tunnel. An upper end of an upper insulator 4 is pivotally fixed to the upper fitting metal tool 2, while a lower end of an lower insulator 5 is fixed to the lower fritting metal tool 3. Consequently, the lower end of upper insulator 4 and the upper end of lower insulator 5 are pivotally fixed with a pivot pin 6. The feeder supporting device 1 within the tunnel is configured by providing a wire retaining member 7 in the side of one end of the pivot pin 6 and by providing an adjusting metal 8 for vertically adjusting the pivotal position of at least one insulators 4, 5 between the upper insulator 4 and upper fitting metal tool 2, or between the lower insulator 5 and lower fitting metal tool 3. The supporting device 1 can easily support the wire W by pivotally supporting existing polymer insulators 4, 5 with the pivot pin 6 with the wire retaining member 7 and vertical position of feeder W and isolation position from the wall surface T of feeder W can be adjusted easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a feeder support device for supporting a feeder line for a railway line extending along a wall surface of a tunnel while securing a predetermined insulation interval with respect to the wall surface of the tunnel. Regarding

[0002]

2. Description of the Related Art Conventional electric wires are supported by two upper and lower insulators on a wall surface of a tunnel, but there is a drawback that it is not easy to adjust an insulation interval with respect to the wall surface.

[0003]

Therefore, the present invention is
It is an object of the present invention to provide a feeder support device for which it is easy to adjust the insulation distance to the wall surface.

[0004]

According to the present invention, in order to solve the above-mentioned problems, a wall surface T is provided above and below a feeder line W for a railway line which is extended along a wall surface T of a tunnel. The upper mounting bracket 2 and the lower mounting bracket 3 are fixed to the upper mounting bracket 2 and the upper end of the upper insulator 4 is pivotally supported by the upper mounting bracket 2 and the lower end of the lower insulator 5 is pivotally supported by the lower mounting bracket 3, respectively. The upper end of the lower insulator 5 and the upper end of the lower insulator 5 are pivotally connected to each other by a pivot pin 6, and a feed wire retracting member 7 is provided on one end side of the pivot pin 6.
Between the upper insulator 4 and the upper mounting bracket 2 or between the lower insulator 5 and the lower mounting bracket 3, an adjusting bracket 8 for vertically adjusting the pivotal support position of at least one of the insulators 4 and 5 is provided. The inner feeder support device 1 was constructed.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of the feeder support device, FIG. 2 is a front view of a feeder retention member, FIG. 3 is a plan view of a feeder retention member, and FIG. 4 is a front view of an adjustment fitting.

In FIG. 1, a feeder 1 for a feeder is provided with a feeder W for a train line that extends along a wall surface T of a tunnel.
It is supported with a predetermined insulation distance from the wall surface T.

The feeder supporting device 1 includes an upper mounting member 2, a lower mounting member 3, an upper insulator 4, a lower insulator 5, and a pivot pin 6.
The electric wire retracting member 7 attached to the.

The upper mounting member 2 and the lower mounting member 3 sandwich the feeder wire W and are fixed to the wall surface T above and below it.

The upper insulator 4 is a polymer insulator having a clevis portion 4a at the upper end and an eye portion 4b at the lower end, and the clevis portion 4a is pivotally supported by the upper mounting member 2. The lower insulator 5 is a polymer insulator having a clevis portion 5a at the upper end and an eye portion 5b at the lower end, and the eye portion 5b is pivotally supported by the lower mounting member 3 via an adjusting metal member 8.

The eye portion 4b at the lower end of the upper insulator 4 and the clevis portion 5a at the upper end of the lower insulator 5 are pivotally attached to each other by a pivot pin 6. An electric wire retracting member 7 is provided on one end side of the pivot pin 6.
Is provided. The feeder assembly 7 includes a pedestal 7a fixed to one end of the pivot pin 6 and a J-shaped bolt 7b tightened and fixed to the pedestal 7a with a nut 7c.
The feeder W is held between the mold bolt 7b and the pedestal 7a.

An adjusting metal member 8 is provided between the lower insulator 5 and the lower mounting member 3 so that the pivot position of the lower insulator 5 can be adjusted up and down. The adjustment fitting 8 includes an eye fitting 8a and a clevis fitting 8b. The eye fitting 8a has an eye portion 8c pivotally supported by the lower mounting fitting 3 and a bolt insertion portion 8d connected to the clevis fitting 8b. The clevis fitting 8b includes a clevis portion 8e and a screw rod portion 8
f and. The clevis portion 8e is pivotally supported by the eye portion 5b of the lower insulator 5. The screw rod portion 8f is inserted into the bolt insertion portion 8d of the eye fitting 8a, and is fixed by the nut 8g. The upper and lower insulators 4 and 5 may be turned upside down and the adjustment metal fitting 8 may be interposed between the upper insulator 4 and the upper mounting metal fitting 2.

[0012]

As described above, in the supporting device 1 of the present invention configured as described above, the feeder wire W can be easily supported by pivotally supporting the ready-made polymer insulators 4 and 5 with the pivot pin 6 having the electric wire retracting member 7. It is possible to support, and by adjusting the adjustment fitting 8, there is an effect that the vertical position of the feeder W and the position separated from the wall surface T can be easily adjusted.

[Brief description of drawings]

FIG. 1 is a front view of a feeder support device.

FIG. 2 is a front view of a feeder detention member.

FIG. 3 is a plan view of a feeder retaining member.

FIG. 4 is a front view of an adjustment fitting.

[Explanation of symbols]

1 feeder support device 2 Upper mounting bracket 3 Lower mounting bracket 4 Upper insulator 4a Clevis part 4b eye part 5 Lower insulator 5a Clevis part 5b Eye part 6 pivot pins 7 Wire retention member 8 Adjustment bracket 8a eye bracket 8b Clevis bracket 8c eye part 8d bolt insertion part 8e Clevis part 8f screw rod 8g nut

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hiroshi Yamamoto             2-2-2 Yoyogi, Shibuya-ku, Tokyo Tohnichi             Inside the passenger railway (72) Inventor Toshihide Hayakawa             2-2-2 Yoyogi, Shibuya-ku, Tokyo Tohnichi             Inside the passenger railway (72) Inventor Akihiro Okada             2-2-2 Yoyogi, Shibuya-ku, Tokyo Tohnichi             Inside the passenger railway (72) Inventor Toru Tachibana             6-5-19 Minami-Shinagawa, Shinagawa-ku, Tokyo Sanwa             Inside Techki Co., Ltd. (72) Inventor Takehiro Kobayashi             6-5-19 Minami-Shinagawa, Shinagawa-ku, Tokyo Sanwa             Inside Techki Co., Ltd. (72) Inventor Yasunori Ishizuka             Niigata Prefecture Niigata City Niijima Town Ichinomachi 1977 No. 2             Sanwa Techchi Co., Ltd. Niigata Sales Office

Claims (3)

[Claims] 1. An upper mounting bracket and a lower mounting bracket fixed to the wall above and below a feeder for a railway track that extends along a wall surface of a tunnel, and an upper end of the upper mounting bracket. A lower insulator whose lower end is pivotally supported by the lower insulator and an upper insulator pivotally supported by the lower insulator, and a wire anchor provided at one end of a pivot pin that pivotally connects the lower end of the upper insulator and the upper end of the lower insulator to each other A member, and an adjustment metal fitting that is interposed between the upper insulator and the upper mounting metal fitting or between the lower insulator and the lower mounting metal fitting, and that vertically adjusts the pivoting position of at least one of the insulators. A feeder for supporting electric wires in a tunnel. 2. The feeder detention member includes a pedestal fixed to one end of the pivot pin and a J-shaped bolt tightened and fixed to the pedestal with a nut. The J-shaped bolt and the pedestal are connected to each other. The feeder unit for a feeder in a tunnel according to claim 1, wherein a feeder is held between the feeders. 3. An eye fitting, wherein the adjustment fitting has an eye portion pivotally supported by the upper fitting or the lower fitting and a bolt insertion portion, and is inserted into the bolt insertion portion of the eye fitting and fixed with a nut. And a clevis fitting provided with a clevis part pivotally supported on the upper end of the upper insulator or the lower end of the lower insulator. Support device.