CN220021613U - Rail grounding wire discharging device - Google Patents

Abstract

The utility model relates to the technical field of motor train unit overhaul, and particularly discloses a rail grounding wire discharging device, which comprises a main body, a grounding device, a grounding wire device and a spring stretching device, wherein the spring stretching device is fixedly inserted into the side surface of the main body, the grounding device is fixedly arranged above the main body, the grounding wire device is connected with the grounding device, and the main body can be in fit connection with a rail; the spring stretching device comprises a screw and a spring, wherein the spring is arranged on the screw, and the screw can be attached to the other side of the track through the spring; the ground wire device comprises a ground wire and a grounding clamp, and the grounding clamp can be flexibly matched with the motor train unit to be overhauled. The track grounding wire discharging device disclosed by the utility model does not need repeated disassembly and assembly, effectively avoids the falling of the grounding wire, ensures the safety of the whole process, improves the maintenance efficiency, and is low in manufacturing cost and suitable for wide popularization and application.

Description

Rail grounding wire discharging device

Technical Field

The utility model relates to the technical field of motor train unit overhaul, in particular to a rail grounding wire discharging device.

Background

In the maintenance process of the high-speed motor train unit, a grounding wire is required to be used for a track, a discharging device is used for taking discharging measures, and the track grounding wire discharging device is a temporary grounding device and is a safety tool for electric maintenance operation of a track train and is mainly used for ensuring the safety operation of maintenance operation. When the power failure of the motor train unit equipment and the power line is overhauled and checked, the attack of sudden incoming call, induced electricity and residual charge can be prevented, and the life safety of operators on the equipment is ensured.

The existing track grounding wire discharging device needs to install the tool on the track in advance before overhauling, contact is often not practical due to rust on the surface of the track, an operator needs to repeatedly install the tool, and 2-3 workers are needed to finish the tool. Meanwhile, the existing device is fixed on a track, the ground wire is directly connected to the device, when a motor car on the track needs to be overhauled, the device is fixed on the track, the other end of the device is grounded, after the work is finished, the device on the track is disassembled, and the grounded ground wire is well received, so that the motor car can be guaranteed to pass smoothly.

It can be seen that the existing rail ground wire discharging device has the following problems:

(1) The existing device is heavy, multiple people are needed to cooperate in the process of installation and disassembly, time and labor are wasted, meanwhile, one end of a connecting ground wire is weak, the ground wire is easy to fall off and damage, the ground wire is required to be placed back to a designated position after being used, the whole process is very inconvenient, and the repeated disassembly and assembly work intensity is high;

(2) If the recovery is forgotten after the maintenance is finished, the normal passing of the motor car is affected when the motor car passes through the track, and the motor car is derailed;

(3) The device can rust because of the track, takes place the phenomenon that contacts inadequately, influences work efficiency, can't normally go on.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the track grounding wire discharging device which is simple to install and does not need repeated disassembly and assembly, thereby reducing manpower and improving safety.

The utility model adopts the following technical scheme:

the utility model provides a track earth connection discharging equipment, the device is installed in track below, its characterized in that includes main part, earthing device, earth connection device and spring stretching device, spring stretching device fastening inserts and sets up in the main part side, earthing device fastening sets up in the main part top, earth connection device is connected with earthing device, the main part can be connected with the track laminating.

Furthermore, the contact area of the main body and the track is large and the contact is tight, so that the ground wire discharging device cannot cause the discharging process to be unable to be performed due to rust.

Further, the spring stretching device comprises a screw rod, a first baffle, a second baffle, a first countersunk head bolt, a second countersunk head bolt and a spring, wherein the spring is arranged on the screw rod, the first countersunk head bolts are arranged in number, the screw rod penetrates through the first baffle, the first baffle is in threaded connection with the main body through the first countersunk head bolt, and the second baffle is in threaded connection with one end of the screw rod through the second countersunk head bolt.

Further, the spring is arranged between the first baffle and the second baffle, the spring is arranged inside the main body, and the screw rod can be stretched through the spring and is connected with the other side of the track in a fitting mode.

Further, be provided with installing port, ground connection mouth and third countersunk head bolt on the earthing device, the installing port is provided with 2, third countersunk head bolt is provided with 2, earthing device passes 2 installing ports and main part threaded connection respectively through 2 third countersunk head bolts.

Further, the ground wire device includes ground wire and ground connection clamp, during the use, the ground connection clamp is connected with waiting to overhaul the EMUs, during not using, the ground connection clamp is connected with the ground connection mouth of ground connection device, and the nimble setting of ground connection clamp can make things convenient for the current of EMUs more.

Further, the screw rod has good conductivity and higher strength, the spring has good elastic deformation, and only the other side of the track can be stretched well to be connected in a fitting way, and impact force can be well relieved.

Preferably, the screw is made of copper.

The utility model has at least the following beneficial effects:

1. according to the rail grounding wire discharging device, the device is fixed on two sides of the rail in a spring stretching mode, only one person is required to finish operation in the mounting and dismounting processes, other tools are not required to be used for mounting, and the grounding clamp is arranged to prevent the grounding wire from falling off, so that the whole process is ensured to be carried out smoothly, the efficiency is improved, and the labor cost is saved;

2. according to the track grounding wire discharging device, the device is arranged below the track, and when the device is not used, the screw is restored to the original position, so that repeated disassembly and assembly of the discharging device are not needed, accidents caused by forgetting to recover are avoided, and the safety is improved;

3. the rail grounding wire discharging device provided by the utility model has a large contact surface with the rail and is in tight contact, so that the problem that the discharging process cannot be performed due to rust of the device is avoided;

4. the track grounding wire discharging device provided by the utility model has the advantages of flexible structure and low manufacturing cost, and can be widely produced and applied.

Drawings

Fig. 1 is a schematic structural diagram of a track ground wire discharging device provided by the utility model;

fig. 2 is a schematic structural diagram of a spring stretching device of a rail grounding wire discharging device provided by the utility model;

fig. 3 is a schematic structural diagram of a grounding device of a track grounding wire discharging device provided by the utility model;

fig. 4 is a schematic structural diagram of a ground wire device of a track ground wire discharging device provided by the utility model.

Description of the reference numerals: 1. a main body; 2. a spring stretching device; 3. a grounding device; 4. a ground wire device; 5. a first countersunk head bolt; 6. a second countersunk head bolt; 7. a third countersunk head bolt; 201. a screw; 202. a spring; 203. a first baffle; 204 a second baffle; 301. a mounting port; 302. a grounding port; 401. a ground clip; 402. and (5) a ground wire.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 4, the present utility model discloses a track ground wire discharging device, which comprises: the main body 1, the spring stretching device 2, the grounding device 3 and the ground wire device 4 are arranged on the side surface of the main body 1 in a fastening and inserting way, the grounding device 3 is arranged above the main body 1 in a fastening way, the ground wire device 4 is connected with the grounding device 3, the main body 1 can be connected with a track in a fitting way, the main body 1 conforming to the size is designed by measuring the cross section of the track,

the spring stretching device 2 comprises a screw 201, a first baffle 203, a second baffle 204, a first countersunk bolt 5, a second countersunk bolt 6 and a spring 202, wherein the spring 202 is arranged on the screw 201, the first countersunk bolts 5 are provided with 4 screws, the screw 201 passes through the first baffle 203, the first baffle 203 is in threaded connection with the main body 1 through the first countersunk bolts 5, the second baffle 204 is in threaded connection with the end part of the screw 201 through the second countersunk bolts 6, the spring 202 is arranged between the first baffle 203 and the second baffle 204,

by measuring and designing the screw 201 with a composite size, the screw 201 can be attached to the other side of the rail under the stretching action of the spring 202, in the embodiment, the screw 201 is made of copper, has good conductivity and high strength, the spring 202 has large elastic deformation to well alleviate the impact,

the grounding device 3 comprises a mounting hole 301, a grounding hole 302 and a third countersunk head bolt 7, wherein the number of the mounting holes 301 is 2, the number of the third countersunk head bolts 7 is 2, the grounding device 3 respectively penetrates through the 2 mounting holes 301 through the 2 third countersunk head bolts 7 to be in threaded connection with the main body 1,

the ground wire device 4 includes a ground clip 401 and a ground wire 402, and the ground clip 404 is detachably connected to the ground port 302 of the ground device 3.

When in practical use, the discharging device is firstly arranged at the lower position of one side of the track through the main body, the screw rod is stretched out to be connected at the lower position of the other side of the track, when the motor train unit to be overhauled enters the station to carry out overhauling work, the grounding clamp of the ground wire device is taken down from the grounding port to be clamped at the terminal box of the motor train unit body to be overhauled to carry out discharging work,

after the maintenance is finished, the grounding clamp of the ground wire device is clamped on the grounding port after being disassembled from the motor train unit, a discharging device at the rail end does not need to be disassembled, and the motor train unit can be directly driven away.

Therefore, when the rail grounding wire discharging device disclosed by the embodiment is used for overhauling the motor train unit to be overhauled, the discharging device is not required to be installed and removed, only one person is required to finish the operation, the grounding clamp is flexibly used for discharging, the overhauling efficiency is greatly improved, and the safety of the process is also effectively improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. The utility model provides a track earth connection discharging equipment, the device is installed in track below, its characterized in that includes main part, earthing device, earth connection device and spring stretching device, spring stretching device fastening inserts and sets up in the main part side, earthing device fastening sets up in the main part top, earth connection device is connected with earthing device, the main part can be connected with the track laminating.

2. The track ground wire discharge device of claim 1, wherein the spring tension device comprises a screw, a first baffle, a second baffle, a first countersunk head bolt, a second countersunk head bolt, and a spring, the spring is arranged on the screw, the first countersunk head bolts are provided with 4, the screw passes through the first baffle, the first baffle is in threaded connection with the main body through the first countersunk head bolt, and the second baffle is in threaded connection with one end of the screw through the second countersunk head bolt.

3. The track ground wire discharge device of claim 2, wherein the spring is disposed between the first and second baffles, the spring is disposed inside the body, and the screw is capable of being stretched by the spring and is in abutting connection with the other side of the track.

4. The track ground wire discharge device of claim 3, wherein the grounding device is provided with a mounting port, a grounding port and a third countersunk head bolt, the mounting port is provided with 2, the third countersunk head bolt is provided with 2, and the grounding device is in threaded connection with the main body through the mounting port by the third countersunk head bolt.

5. The track ground wire discharge device of claim 4, wherein the ground wire means comprises a ground wire and a ground clip, the ground clip being connected to a ground port of the ground means.

6. A track ground wire discharge device in accordance with claim 3, wherein said screw has electrical conductivity.

7. The track ground wire discharge device of claim 6, wherein the screw is copper.

8. The track ground wire discharge device of claim 5, wherein the body has a large contact area with the track.