CN110641320A - Jumper wire, track circuit and jumper wire installation method - Google Patents

Abstract

The invention discloses a jumper wire, a track circuit and a jumper wire installation method, wherein the jumper wire comprises a bolt and a connecting lead; the bolts are respectively fixed at two ends of the connecting lead, threaded holes are formed in the side wall of the guide rail to be connected, and the bolts are in threaded connection with the threaded holes. When the jumper wire disclosed by the invention is used, the bolts are respectively fixed at two ends of the connecting wire, then the bolts are screwed, and the bolt threads are fixed in the threaded holes on the guide rail to be connected, so that the installation of the jumper wire is realized, and the jumper wire is convenient and quick. When the jumper wire needs to be detached, the bolt is screwed out of the threaded hole of the guide rail to be connected.

Description

Jumper wire, track circuit and jumper wire installation method

technical field

The invention relates to the technical field of railway signal transmission, in particular to a jumper wire, a track circuit and a jumper wire installation method.

Background technique

The track circuit of railway signal is composed of sending end power supply, sending end transformer, rheostat, rail, rail jumper wire (incoming wire, connecting wire, jumper wire), receiving end transformer, signal cable, track relay, etc. The quality of the rail jumper directly affects the working state of the track circuit.

The track jumper is made of multi-strand steel strands, and the two ends are driven into the small holes on the side of the rail with plugs. It is very laborious to drive the plugs in and out, and it is labor-intensive during installation and maintenance.

Therefore, how to facilitate the disassembly and assembly of the jumper wire is a technical problem to be solved urgently by those skilled in the art.

SUMMARY OF THE INVENTION

In view of this, the first object of the present invention is to provide a jumper wire, which can facilitate the disassembly and assembly of the jumper wire.

A second object of the present invention is to provide a track circuit.

The third object of the present invention is to provide a jumper wire installation method.

In order to realize the above-mentioned first purpose, the present invention provides the following scheme:

A jumper wire, including bolts and connecting wires;

The bolts are respectively fixed on the two ends of the connecting wire, the side walls of the guide rails to be connected are provided with threaded holes, and the bolts are threadedly connected with the threaded holes.

In a specific embodiment, the jumper wire further includes a lock nut;

The bolts pass through the threaded holes, and the bolts are fixed on the to-be-connected guide rails through locking nuts.

In another specific embodiment, the connecting wire is connected to the bolt through a terminal lug.

In another specific embodiment, the connecting wires are aluminum wires or copper wires.

In another specific embodiment, the aluminum conductors are made from discarded recycled cables.

In another specific embodiment, the copper conductors are made from discarded recycled cables.

Various embodiments according to the present invention can be combined arbitrarily as required, and the embodiments obtained after these combinations are also within the scope of the present invention and are part of the specific embodiments of the present invention.

Not limited to any theory, it can be seen from the above disclosure that when using the jumper wire disclosed in the present invention, bolts are respectively fixed on both ends of the connecting wire, and then the bolts are screwed to fix the bolts on the guide rails to be connected. In the threaded hole, the installation of the jumper wire is convenient and quick. When the jumper wire needs to be removed, it is only necessary to turn the bolt and unscrew the bolt from the threaded hole of the rail to be connected.

In order to realize the above-mentioned second purpose, the present invention provides the following scheme:

A track circuit includes the jumper wire as described in any one of the above.

Since the track circuit provided by the present invention includes the jumper wire in any of the above, the beneficial effects of the jumper wire are all included in the track circuit provided by the present invention.

In order to realize the above-mentioned third purpose, the present invention provides the following scheme:

A jumper wire installation method, comprising the following steps:

Fix the bolts at both ends of the connecting wire;

The bolts are screwed, and the bolts are respectively screwed into the threaded holes of the adjacent guide rails to be connected.

In a specific embodiment, the two ends of the connecting wire are respectively crimped on the terminal lug by a crimping clamp, and the terminal lug is connected to the to-be-connected guide rail through the bolt.

In another specific embodiment, the bolt is locked on the rail to be connected by a lock nut.

Various embodiments according to the present invention can be combined arbitrarily as required, and the embodiments obtained after these combinations are also within the scope of the present invention and are part of the specific embodiments of the present invention.

Without being limited to any theory, it can be seen from the above disclosure that the jumper wire installation method disclosed in the present invention, firstly, the bolts are respectively fixed on both ends of the connecting wire, and then the bolts are screwed to fix the bolts on the guide rail to be connected. In the threaded hole, the jumper can be installed conveniently and quickly. When the jumper wire needs to be removed, it is only necessary to turn the bolt and unscrew the bolt from the threaded hole of the rail to be connected.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the structural representation of the jumper wire provided by the present invention;

FIG. 2 is a schematic structural diagram of the jumper wire provided by the present invention to be installed on the guide rail to be connected.

Among them, in Figure 1-2:

Bolt 1, connecting wire 2, guide rail to be connected 3, threaded hole 301, wiring nose 4.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings 1-2 and specific embodiments.

Example 1

The invention discloses a jumper wire, wherein the jumper wire comprises a bolt 1 and a connecting wire 2 .

The bolts 1 are respectively fixed on both ends of the connecting wire 2 , the side wall of the guide rail 3 to be connected is provided with threaded holes 301 , and the bolts 1 are threadedly connected with the threaded holes 301 .

It should be noted that a through hole can also be opened on the guide rail 3 to be connected, the screw rod of the bolt 1 passes through the through hole, and a limit rod (metal rod to achieve electrical conduction) is clamped at the tail of the screw rod, and the limit rod can be inserted Connected to the tail of the screw rod, a threaded hole 301 may also be provided on the screw rod, so that the limit rod is threadedly connected in the screw rod.

For the jumper wire disclosed in the present invention, when in use, the bolts 1 are respectively fixed on both ends of the connecting wire 2, and then the bolts 1 are screwed to fix the bolts 1 in the threaded holes 301 on the guide rail 3 to be connected, so as to realize the jumper The installation of wiring is convenient and quick. When the jumper wire needs to be removed, it is only necessary to turn the bolt 1 and unscrew the bolt 1 from the threaded hole 301 of the guide rail 3 to be connected.

Embodiment 2

In the second embodiment provided by the present invention, the structure of the jumper wire in this embodiment is similar to that of the jumper wire in the first embodiment, the similarities will not be repeated, and only the differences will be introduced.

In this embodiment, the present invention specifically discloses that the jumper wire further includes a locking nut, the bolt 1 passes through the threaded hole 301, and the bolt 1 is fixed on the guide rail 3 to be connected by the locking nut to prevent the bolt 1 from falling off due to vibration.

Further, the present invention specifically discloses that the connecting wire 2 is connected to the bolt 1 through the terminal lug 4. Specifically, the two ends of the connecting wire 2 are pressed on the terminal lug 4 with crimping pliers, and the bolt 1 is used to connect the terminal lug 4 to the rail and fix it. .

Further, the present invention specifically discloses that the connecting wire 2 is an aluminum wire or a copper wire.

In order to save materials and realize waste utilization, the present invention discloses that aluminum wires or copper wires are made of discarded recycled cables.

The invention utilizes discarded recycled cables to reuse the jumper wires of the self-made track circuits, and replaces the steel strands with poor electrical conductivity and easy rust with aluminum wires or copper wires with good electrical conductivity, thereby avoiding the damage caused by the rusting of the steel strands. Signal interrupted.

The jumper wire disclosed by the invention saves a lot of material and spare parts costs and reduces maintenance operation time; the jumper wire has high electrical conductivity, small voltage loss, stable equipment operation; convenient and quick installation and removal, reduces maintenance and troubleshooting time, and can greatly reduce equipment failures rate and maintenance costs, and improve labor efficiency.

Embodiment 3

The present invention provides a track circuit comprising a jumper wire as in any one of the above embodiments.

Since the track circuit provided by the present invention includes the jumper wire in any of the above embodiments, the beneficial effects of the jumper wire are all included in the track circuit provided by the present invention.

Embodiment 4

The invention provides a jumper wire installation method, comprising the following steps:

Step S1: Fix the bolt 1 on both ends of the connecting wire 2.

Specifically, both ends of the connecting wire 2 are respectively pressed onto the terminal lugs 4 by crimping pliers, and the terminal lugs 4 are connected to the guide rails 3 to be connected through the bolts 1 .

Step S2: Screw the bolts 1 to screw the bolts 1 into the threaded holes 301 of the adjacent guide rails 3 to be connected respectively.

In order to increase the connection firmness of the bolt 1, the present invention discloses that the bolt 1 is locked on the guide rail 3 to be connected by a locking nut.

In the jumper wire installation method disclosed in the present invention, first, the bolts 1 are respectively fixed on both ends of the connecting wire 2, and then the bolts 1 are screwed to screw the bolts 1 into the threaded holes 301 on the guide rail 3 to be connected, so as to realize The installation of jumper wires is convenient and quick. When the jumper wire needs to be removed, it is only necessary to turn the bolt 1 and unscrew the bolt 1 from the threaded hole 301 of the guide rail 3 to be connected.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.

Claims (10)

1. A jumper wire, characterized in that it comprises a bolt (1) and a connecting wire (2); The bolts (1) are respectively fixed on both ends of the connecting wire (2), a threaded hole (301) is formed on the side wall of the guide rail (3) to be connected, and the bolt (1) is connected to the threaded hole (301). 301) Threaded connection. 2. The jumper wire according to claim 1, further comprising a locking nut; The bolt (1) passes through the threaded hole (301), and the bolt (1) is fixed on the guide rail (3) to be connected by a locking nut. 3 . The jumper wire according to claim 1 , wherein the connecting wire ( 2 ) is connected to the bolt ( 1 ) through a terminal lug ( 4 ). 4 . 4. The jumper wire according to any one of claims 1-3, wherein the connecting wire (2) is an aluminum wire or a copper wire. 5 . The jumper wire according to claim 4 , wherein the aluminum wires are made of discarded recycled cables. 6 . 6 . The jumper wire according to claim 4 , wherein the copper wires are made of discarded recycled cables. 7 . 7. A track circuit, characterized by comprising the jumper wire according to any one of claims 1-6. 8. a jumper wire installation method, is characterized in that, comprises the following steps: Fix the bolts (1) on both ends of the connecting wire (2); The bolts (1) are screwed, and the bolts (1) are respectively screwed into the threaded holes (301) of the adjacent guide rails (3) to be connected. 9. The jumper wire installation method according to claim 8, characterized in that, both ends of the connecting wire (2) are respectively pressed onto the terminal lugs (4) by crimping clamps, and the bolts (1) are used to press The wiring lug (4) is connected with the guide rail (3) to be connected. 10. The jumper wire installation method according to claim 8 or 9, characterized in that, the bolts (1) are locked on the guide rails (3) to be connected by means of locking nuts.

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