Railway signal lead wire fixing clamp

Abstract

The utility model discloses a railway signal lead wire fixing clamp, which comprises an insulating support rod, two ground nails and two lead wire clamping heads, the insulating support rod is horizontally placed on the ground, the two ground nails are perpendicular to the insulating support rod, the tip of each ground nail penetrates through a radial through hole on the insulating support rod and then is driven into the ground, and the lead wire clamping heads are fixed on the insulating support rod. The two lead wire clamping heads are located on the upper portion of the insulation supporting rod and rotationally connected with the insulation supporting rod, and railway signal lead wires are fixed to the lead wire clamping heads. The insulation supporting rod is fixed on the ground through the two ground nails, the lead wires with different polarities are fixed through the two lead wire clamping heads on the insulation supporting rod, firmness of the lead wires can be guaranteed, short circuit caused by lap joint of the lead wires is prevented, the fault rate of a track circuit is reduced, operation is very convenient, and the reliability is high. The installation efficiency of the railway signal lead wire can be improved.

Description

Technical Field

[0001] The utility model relates to a clamp for installing and fixing railway signal lead wires, belonging to the technical field of basic electrical components. Background Art

[0002] The track circuit is an electrical circuit that uses two rails of the railway line as conductors and uses lead wires to connect the power supply and receiving equipment. It is a device that monitors whether the railway line is idle and automatically and continuously connects the operation of the train and the signal equipment to ensure driving safety. The track circuit is composed of main components such as rails, track insulation, rail joint connection wires, signal lead wires, power transmission equipment and power receiving equipment. Among them, the railway signal lead wire is the connecting wire between the outdoor equipment and the rails. Overlapping or breaking the lead wire will cause track circuit failure, so the railway signal lead wire must be fixed and protected with a fixing fixture. The existing fixing fixtures are inconvenient to use, have low installation efficiency, and poor reliability. They cannot effectively fix the signal lead wire, resulting in a high failure rate of the track circuit, so it is necessary to improve it. Utility Model Content

[0003] The utility model aims to provide a railway signal lead wire fixing fixture to reduce the failure rate of track circuits and improve the installation efficiency of railway signal lead wires in view of the drawbacks of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A railway signal lead wire fixing fixture comprises an insulating support rod, two ground nails and two lead wire clamp heads. The insulating support rod is horizontally placed on the ground, the two ground nails are perpendicular to the insulating support rod, the tip of each ground nail passes through a radial through hole on the insulating support rod and is driven into the ground, the two lead wire clamp heads are located on the upper part of the insulating support rod and are rotatably connected to the insulating support rod, and the railway signal lead wire is fixed on the lead wire clamp heads.

[0006] In the above-mentioned railway signal lead wire fixing fixture, one end of the insulating support rod is provided with a screw rod coaxial therewith, and the other end is provided with a threaded hole matching the screw rod.

[0007] The above-mentioned railway signal lead wire fixing fixture has a lead wire clamp head in an inverted "∑" shape and is installed on the insulating support rod by screws.

[0008] The above-mentioned railway signal lead wire fixing fixture has a length of 60 cm and a diameter of 15 cm. The two ground nails are symmetrically distributed on both sides of the midpoint of the insulating support rod, and the distance between each ground nail and one end of the insulating support rod is 7 cm; the two lead wire clamps are symmetrically distributed on both sides of the midpoint of the insulating support rod, and the distance between each lead wire clamp and one end of the insulating support rod is 15 cm.

[0009] In the above-mentioned railway signal lead wire fixing fixture, the insulating support rod is a nylon round rod, and the material of the lead wire clamp head is nylon.

[0010] The utility model utilizes two ground nails to fix the insulating support rod on the ground, and utilizes two lead wire clamps on the insulating support rod to fix lead wires of different polarities, which can not only ensure the firmness of the lead wires, prevent short circuit caused by lead wire overlap, and reduce the failure rate of track circuits, but also is very convenient to operate and can improve the installation efficiency of railway signal lead wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] The numbers in the figure are as follows: 1. Insulating support rod, 2. Ground nail, 3. Lead wire clamp, 4. Screw, 5. Threaded hole. DETAILED DESCRIPTION

[0014] The utility model provides a railway signal lead wire fixing fixture for solving the problems in the prior art. The fixing fixture is used for fixing the railway signal lead wire and has the advantages of being easy to use, simple to manufacture, low in manufacturing material cost, reliable in operation, etc.

[0015] See also Figure 1 The utility model mainly comprises an insulating support rod 1, two ground nails 2 and two lead wire clamps 3 made of nylon in an inverted “∑” shape. The insulating support rod 1 is a PA66 nylon round rod with a length of 60 cm and a diameter of 15 cm. The two ground nails 2 are perpendicular to the insulating support rod 1 and pass through the radial through holes on the insulating support rod 1. The two ground nails 2 are symmetrically distributed on both sides of the midpoint of the insulating support rod 1, and the distance between each ground nail 2 and one end of the insulating support rod 1 is 7 cm. The two lead wire clamps 3 are rotatably mounted on the insulating support rod 1 and symmetrically distributed on both sides of the midpoint of the insulating support rod 1. The distance between each lead wire clamp 3 and one end of the insulating support rod 1 is 15 cm.

[0016] One end of the insulating support rod 1 is provided with a coaxial screw rod 4, and the other end is provided with a threaded hole 5 matching the screw rod 4. The screw rod 4 and the threaded hole 5 can realize the combined use of multiple fixtures.

[0017] Two ground nails 2 can be driven into the ground to fix the insulating support rod 1 so that the insulating support rod 1 is placed parallel to the rail or the sleeper to prevent the insulating support rod 1 from moving.

[0018] Two lead wire clamps 3 are mounted on the insulating support rod 1 by screws and can be rotated in different directions as required to fix the railway signal lead wires and prevent the lead wires from overlapping.

[0019] The four clamps are butted against each other through the screw rods 4 and the threaded holes 5 to fix the long lead wires passing under the rails.

[0020] The use of the utility model:

[0021] Method 1: When using only one grounding wire, drive the grounding nail into the ground to fix the insulating support rod, and use two lead wire clamps to fix two lead wires of different polarities;

[0022] Method 2: Use four of these clamps to form a combination of 240cm in length. Place them on one side of the sleeper to fix the long lead wire that passes under the rail. The fixing method is the same as method 1.

[0023] The utility model is simple to manufacture, easy to use, and has low manufacturing material cost. It has two usage modes: single use and combined use. It is easy to use, convenient to carry, and not easy to lose. It can improve the installation efficiency of railway signal lead wires, reduce track circuit failures, and facilitate maintenance personnel to overhaul.

Claims

1. A railway signal lead wire fixing fixture, characterized in that: The invention comprises an insulating support rod (1), two ground nails (2) and two lead wire clamps (3), wherein the insulating support rod (1) is placed horizontally on the ground, the two ground nails (2) are perpendicular to the insulating support rod (1), the tip of each ground nail (2) passes through a radial through hole on the insulating support rod (1) and is driven into the ground, the two lead wire clamps (3) are located on the upper part of the insulating support rod (1) and are rotatably connected to the insulating support rod (1), and the railway signal lead wire is fixed on the lead wire clamps (3).

2. A railway signal lead wire fixing fixture according to claim 1, characterized in that: One end of the insulating support rod (1) is provided with a screw rod (4) coaxial therewith, and the other end is provided with a threaded hole (5) matching the screw rod (4).

3. A railway signal lead wire fixing fixture according to claim 1 or 2, characterized in that: The lead wire clamp (3) is in an inverted "∑" shape and is mounted on the insulating support rod (1) by means of screws.

4. A railway signal lead wire fixing fixture according to claim 3, characterized in that: The insulating support rod (1) has a length of 60 cm and a diameter of 15 cm. The two ground spikes (2) are symmetrically distributed on both sides of the midpoint of the insulating support rod (1), and the distance between each ground spike (2) and one end of the insulating support rod (1) is 7 cm. The two lead wire clamps (3) are symmetrically distributed on both sides of the midpoint of the insulating support rod (1), and the distance between each lead wire clamp (3) and one end of the insulating support rod (1) is 15 cm.

5. A railway signal lead wire fixing fixture according to claim 4, characterized in that: The insulating support rod is a nylon round rod, and the lead wire clamp (3) is made of nylon.

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