JPH07246862A - Trolley wire connecting metal fitting - Google Patents

Abstract

PURPOSE:To secure the simple work by forming an extension part on an ear on one side of a trolley wire connecting metal fitting, arranging an independent ear piece on the other side, properly arranging a trolley wire on the ear on this side, temporarily fixing the trolley wire by the extension part, arranging the other trolley wire, keeping the proper interval, and then applying the ear and carrying out main tightening. CONSTITUTION:A trolley wire connecting metal fitting consists of a pair of opposed ears 1 and 2, which have the abutment edges 1a and 2a in the upper parts and tooth parts in the lower parts, and the lateral symmetrical number of bolts 3 can be inserted into the center part. The ear 1 has an elongation part 1e integrally, and an independent ear piece 4 is formed in correspondence, and can be tightened by a bolt 5. In use, the bolts 3 and 5 are loosened, and the ear is spread, and the trolley wire T1 is inserted into the tooth part, and the ear piece 4 is fixed by the bolt 5. Then, the trolley wire T2 is abutted with T1 and inserted, and after the abutment position with the temporarily fixed ear 1 is adjusted, the ear 2 is tightened by the bolt 3. Attention should be paid in the setting-on/off deflection of the trolley wire T2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trolley wire connecting fitting, which is extremely easy to assemble.

[0002]

2. Description of the Related Art The trolley wire connecting fittings include a double-ear type and a butt type, and the present invention relates to the latter. In the conventional butting method, as shown in FIG. 4, in the pair of opposed ears E1 and E2, the end portions of the trolley wires T1 and T2 to be connected can be butted to the teeth of one ear E1. , The other ear E2 was clamped and the bolt B was tightened. However, since the trolley wire is used after being rewound from the drum, there is still a bend in the end, and it is not easy to fit both end faces to the teeth at the normal position. Although the butt end face of the trolley wire is finished after cutting, a protrusion occurs in the cutting direction due to cutting burrs and processing errors.Therefore, cut out the teeth on the butt end face of both wires and provide an appropriate gap. It is necessary to leave.
It is extremely difficult to simultaneously tighten the left and right trolley wires in accordance with the clearance position. At present, it seems that this work, which seems to be easy, requires three manpower.

[0003]

SOLUTION: Before the main fastening of the opposite ear is completed, separately from this, one trolley wire can be temporarily fixed to one ear. For this reason, one side of the ear has an extension,
Correspondingly, place an independent ear piece on the other side. Place one trolley wire properly on one side of the ear with the extension, and temporarily fix it with an independent ear piece. Then, the other trolley wire is arranged so as to have an appropriate interval. Finally, cover the ear on the other side and tighten it completely. At the time of final tightening, take care so that the trolley wire placed later does not become misaligned.

[0004]

DESCRIPTION OF THE PREFERRED EMBODIMENT As shown in FIGS. 1, 2 and 3, the present invention comprises a pair of opposed ears 1 and 2. Butt edge 1 at the top
a, 2a and tooth portions 1b, 2b are formed on the lower portion, and a plurality of symmetrical bolts 3 can be inserted into the central portion. Also, in the central part, the lower hands 1c and 2c are provided on the upper side, and the cutouts 1 are provided on the lower side.
d and 2d are provided. The ear 1 is integrally provided with an extension portion 1e, and a bolt hole is also formed in the extension portion 1e. The independent ear piece 4 is formed so as to correspond to the extension portion 1e, and can be tightened with the bolt 5.

In use, the bolts 3 and 5 are first loosened so that the trolley wires T1 and T2 are opened so that they can be inserted between the ear pieces. By adjusting one trolley wire T1 to the left and right position, the tip of the trolley wire T1 is positioned at the notched tooth portion of the ear 1, and the ear piece 4 is fixed by the bolt 5. Next, the tip of the trolley wire T2 is similarly positioned at the notched tooth portion of the ear 1, and the trolley wire T1 is inserted in abutment with the trolley wire T1. After adjusting the butting position with the temporarily fixed ear 1, tighten the ear 2 with the bolt 3. The notch 1b, 2b of the ear detects the butted state of both wires, and if there is a burr, it is scraped off.

[0006]

[Effect] When the ear 2 is put on, a complete connection can be obtained only by paying attention to the slip-out of the trolley wire T2. Unlike the work of tightening a pair of trolley wires T1 and T2 at the same time, at most two workers are required.

[Brief description of drawings]

FIG. 1 is a plan view of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a front view of a conventional product.

[Explanation of symbols]

 1 ear 1e extension 2 ear 3 bolt 4 ear piece 5 bolt T1, T2 trolley wire

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Noboru Nakamura 6-5-19 Minami-Shinagawa, Shinagawa-ku, Tokyo Sanwa Techchi Co., Ltd.

Claims (1)

[Claims] 1. A pair of opposing ears, each of which has an abutting edge on an upper part, a tooth part on a lower part, and a plurality of bilaterally symmetrical bolt holes formed in a central part and a lowering hand at a central part on an upper side, wherein one ear is provided on one side. A trolley wire connection fitting in which an extension part with a single bolt hole is integrally provided on the other side, and a corresponding provisional ear piece is arranged on the other side so that it can be bolted.