JPH0359969A - Insulated trolley line and its connecting fixture - Google Patents

Abstract

PURPOSE:To enable a trolley line to be replaced on the way of its line in a simple manner by providing insultors for the upper side and the side surface of a channel conductor in a state that the outer bottom surface of the chanael conductor is exposed. CONSTITUTION:Insulated trolley lines 10 and 11 are channel conductors 12 and 14 covered with insulators 13 and 15, the outer bottom surfaces of the channel conductors 12 and 14 are exposed, and the upper side and the side surface of them are covered with the insulators 13 and 15. A connecting fixture 16 is made up out of paired insulators 21 and 22, and of a widening spring 23. In this case, the connecting fixture 16 is inserted into the channel conductors 12 and 14 of the insulated trolley lines 10 and 11, and connecting conductors 21 and 22 are pressed into contact with the inner surfaces of the flanges 12' and 14' of the channel conductors 12 and 14 so that the insulated trolley lines 10 and 11 are connected. By this constitution, the insulated trolley line can be replaced even when it is on the way of its line in a simple manner.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] This invention relates to an insulated trolley wire and its connector.

[Conventional technology]

Conventionally, a trolley bar connection structure disclosed in Japanese Utility Model Publication No. 53-23562 has been devised. This connection structure involves inserting a pair of upper and lower connection pins across the conductors to be connected, screwing them into one connection pin, and using a bolt whose tip abuts the other connection pin to separate the connection pins from the inside of the conductor. Press it to connect the side conductor.

[Problem to be solved by the invention]

In the conventional trolley bar connection structure, the reconnection bins are separated and pressed against the conductor using bolts, so during long-term use, the bolts loosen due to vibration, causing the connection to come off and causing a serious accident. There was a risk that it would lead to

Furthermore, when replacing the trolley bars in the middle of the trolley bar line, the trolley bars had to be removed one by one starting from the end, which was a time-consuming process.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an insulated trolley wire and its connector that will not become disconnected even after long-term use and that can be easily replaced midway through the line.

[Means to solve the problem]

The insulated trolley wire according to claim (1) includes a groove-shaped conductor and an insulator that covers the upper and side surfaces of the groove-shaped conductor with the outer bottom surface of the groove-shaped conductor exposed.

The insulated trolley wire according to claim (2) is the insulated trolley wire according to claim (1), in which an outward lip portion is provided on the upper end edge of both flanges of the groove-shaped conductor via a guide surface that is inclined diagonally upward and outward. It was formed.

The insulated trolley wire connector according to claim (3) includes a pair of connecting conductors that contact the inner surfaces of both flanges of the groove-shaped conductor, and a pair of connecting conductors interposed between the pair of connecting conductors and spaced apart in the longitudinal direction of each of the connecting conductors. It is equipped with an expansion spring that acts on at least two points.

[Function] According to the insulated trolley wire of claim (1), the connecting tool can be press-fitted from above the groove-shaped conductor with the insulator removed, and it is easy to press-fit the connector even in the middle of the line of the insulated trolley wire. The insulated trolley wire can be replaced.

According to the insulated trolley wire of claim (2), since the outward lip portion is provided on the upper end edge of the flange of the groove-shaped conductor via the guide surface, press-fitting of the connector can be performed smoothly.

According to the insulated trolley wire connector of claim (3), the pair of connecting conductors are expanded by an expansion spring, and the insulated trolley wires are connected by pressing the connecting conductors against the inner surface of the groove-shaped conductor. can be,
The connection will not loosen even after long-term use.

〔Example〕

An embodiment of the present invention will be described based on FIGS. 1 to 4.

In Fig. 1, 10.11 is an insulated trolley wire,
The connection is made using a connecting tool 16. Insulated trolley wire 10.11
As shown in FIG. 2, the groove-shaped conductor 12.14 is coated with an insulator 13.15.
The outer bottom surface is exposed and the top and side surfaces are insulators 13.15
covered with. Both flanges 12 of the channel conductor 12.14
An outward lip 18.20 is formed on the upper edge of ', 14' via a guide surface 17.19 which is inclined obliquely upward and outward. Further, the connecting tool 16 is composed of a pair of connecting conductors 21 and 22 and an expansion spring 23, as shown in FIG. The connecting conductors 21 and 22 are made of a conductive material, and the expansion spring 23 is a plate spring bent into a substantially W shape, and a rivet push-through hole is provided in the center of the connection conductor 21 and the expansion spring 23. 2/I, 25 is provided. As shown in FIG. 4, the connecting tool 16 has an expansion spring 23 interposed between a pair of connection conductors 21 and 22, and fixes the connection conductor 21 and expansion spring 23 with rivets 26. Insert into the butted channel conductors 12.14 as shown in FIG. The connecting conductors 21, 22 are expanded by the expansion spring 23,
The insulated trolley wire 10.11 is connected to the inner surface of both flanges 12', 14' of the groove-shaped conductor 12.14 by pressure contact.

According to the insulated trolley wire and its connector configured in this way, the groove-shaped conductor 12. of the insulated trolley wire 10.11.
14, and the connecting conductor 21.22 is pressed against the inner surface of the flanges 12' and 14' of the groove-shaped conductor 12.14 to connect the insulated trolley wire 10.11,
There is no need to worry about bolts loosening like in conventional models, and connections will not come off even after long-term use.

In addition, the connector 16 is simply press-fitted into the groove-shaped conductor 12.14 from above, and can be easily attached and detached even in the middle of the insulated trolley wire line, allowing the insulated trolley wire to be replaced.

Further, the connection work of the insulated trolley wire 10.11 can be easily performed by simply inserting the connecting tool 16 into the groove-shaped conductor 12.14, and the connection work can be easily performed in one click.

In addition, the connection conductors 21 and 22 are expanded by the expansion spring 23,
The connecting conductors 21, 22 are strongly pressed against the groove-shaped conductors 12, 14, and poor conductivity is unlikely to occur.

Further, since the expansion spring 23 is formed in a substantially W-shape and acts on at least two points separated in the longitudinal direction of each connection conductor 21.22, the connection conductors 21.22 are expanded in parallel, forming a groove shape. Conductive contact with the conductor 12.14 is ensured.

Furthermore, an outward lip 1 is provided on the upper edge of the flange 12'14' of the channel conductor 12.14 via a guide surface 17.19.
8.20, the connector 16 is connected to the grooved conductor 12.
Easy to insert into 14.

Note that the spring member for expanding the pair of connection conductors 21 and 22 of the connector 16 may be a coil spring, a wire spring, or the like in addition to a plate spring.

Modifications of the connector are shown in FIGS. 5 and 6.

The connector 30 shown in FIG. 5 has a pair of expansion springs 33 and 34 interposed between a pair of connecting conductors 31 and 32. The expansion springs 33 and 34 are both formed in a substantially W-shape, are interposed in opposite directions, and are fixed to the connection conductors 31 and 32 on different sides with rivets 35 and 36, respectively. Furthermore, the connector 40 in FIG. 6 has a pair of connecting conductors 41
．． A pair of expansion springs 43 and 44 are interposed between the two expansion springs 42 and 42, and both expansion springs 43 and 44 are fixed to one of the connecting conductors 41 with rivets 45 and 46.

〔Effect of the invention〕

According to the insulated trolley wire of claim (1), the connector can be press-fitted from above the groove-shaped conductor with the insulator removed, and the insulated trolley wire can be easily connected even in the middle of the line of the insulated trolley wire. can be exchanged.

According to the insulated trolley wire of claim (2), since the outward lip portion is provided on the upper end edge of the flange of the groove-shaped conductor via the guide surface, press-fitting of the connector can be performed smoothly.

According to the insulated trolley wire connector of claim (3), the pair of connecting conductors are expanded by an expansion spring, and the insulated trolley wires are connected by pressing the connecting conductors against the inner surface of the groove-shaped conductor. can be,
The connection will not loosen even after long-term use.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a perspective view of its insulated trolley wire, FIG. 3 is an exploded perspective view of its connecting device, and FIG. 4 is a perspective view of its connecting device. 5 and 6 are perspective views of modified examples of the connector.

Claims (3)

[Claims] (1) An insulated trolley wire comprising a grooved conductor and an insulator covering the upper and side surfaces of the grooved conductor with the outer bottom surface of the grooved conductor exposed. (2) The insulated trolley wire according to claim 1, wherein an outward lip portion is formed on the upper end edge of both flanges of the groove-shaped conductor via a guide surface that is inclined diagonally upward and outward. (3) The insulated trolley wire connector according to claim (1) or claim (2), which includes a pair of connecting conductors that contact the inner surfaces of both flanges of the groove-shaped conductor, and a connection between the pair of connecting conductors. An insulated trolley wire connector comprising an intervening expansion spring that acts on at least two points separated in the longitudinal direction of each of the connection conductors.