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carbon brush

A technology of carbon brushes and copper rods, which is applied in the direction of vehicle connectors, current collectors, connection contact materials, etc., can solve the problems of high-speed rail kinetic energy reduction, motor inoperability, and affecting mechanical properties, etc., to achieve reduced replacement costs, good contact, and The effect of high-speed rail without reducing kinetic energy

Active Publication Date: 2020-08-04
康永喜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. Electric arc is easy to be generated due to vibration, so that the carbon brush will be worn out in a few minutes;
[0007] 2. When the arc carbon brush wears out in a few minutes, the corresponding motor cannot work, and the kinetic energy of the high-speed rail is correspondingly reduced;
[0008] 3. The carbon brushes have to be replaced every few million kilometers of the high-speed rail. The replacement frequency is fast and the replacement cost is high;
[0009] 4. The powder produced by the carbon brush due to wear is easy to penetrate into the bearing, which will generate a lot of heat at the contact point of the bearing, thus affecting its mechanical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] like Figure 1-8 As shown, a carbon brush of this embodiment includes a carbon brush body 1, a copper rod 2 and a conductive cylinder 3 connected in sequence. The middle part of one end of the carbon brush body 1 is provided with a clamping groove 11, and the copper rod 2 One end is fitly installed in the clamping groove 11, and a conductive paste is arranged between the clamping groove 11 and the copper rod 2; one end of the conductive cylinder 3 is provided with a connecting groove 31, and the other end of the copper rod 2 is flexibly connected to the In the connection groove 31; the outer side of the other end of the copper rod 2 is provided with an annular infiltration groove 21, the infiltration groove 21 is provided with a tooth column 22, and the conductive cylinder 3 corresponding to the infiltration groove 21 is provided with a containing The material channel 32 is connected to the inside of the connection groove 31; the conductive powder is arranged in the mat...

Embodiment 2

[0045] The present invention is a further improvement made on the basis of Embodiment 1. The specific differences between this embodiment and Embodiment 1 are:

[0046] What needs to be further explained in this embodiment is that the middle part of the carbon brush body 1 is provided with a stepped hole, and a stepped copper core 12 is detachably fitted in the stepped hole, and the clamping groove 11 is set on the stepped copper core 12 facing One end of the copper rod 2. The stepped hole is a through-hole structure, and the end of the stepped hole located on one side of the copper rod 2 is a large hole end, and the end away from the side of the copper rod 2 is a small hole end, so that the installation of the stepped copper core 12 in the stepped hole can be facilitated. The stepped copper core 12 is detachably installed on the stepped hole through the screw, wherein the screw is screwed in from the end of the stepped hole away from the copper rod 2, and finally screwed into...

Embodiment 3

[0048] The present invention is a further improvement made on the basis of Embodiment 1 or Embodiment 2. The specific differences between this embodiment and Embodiment 1 or Embodiment 2 are:

[0049] What needs to be further explained in this embodiment is that a first spherical protrusion 13 is provided in the middle of the engaging groove 11, and a first spherical concave that matches the first spherical protrusion 13 is provided at one end of the copper rod 2. The slot 25 is matched with the first spherical protrusion 13 and arranged in the first spherical inner groove 25 . The cooperation between the first spherical protrusion 13 and the first spherical inner groove 25 weakens the stress when vibration occurs between the two, better protects the stepped copper core 12 or the carbon brush body 1, reduces the maintenance cost in the later stage, and at the same time Prevent the copper rod from hitting the conductive cylinder and protect the conductive cylinder from damage. ...

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PUM

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Abstract

The invention belongs to the technical field of high-speed rail equipment, and discloses a novel carbon brush. The carbon brush comprises a carbon brush body, a copper rod and a conductive cylinder which are connected in sequence; a clamping groove is formed in the middle of one end of the carbon brush body; one end of the copper rod is mounted in the clamping groove in a matched mode; conductiveslurry is arranged between the clamping groove and the copper rod; a connecting groove is formed in one end of the conductive cylinder; the other end of the copper rod is movably connected into the connecting groove; an annular permeation groove is formed in the outer side of the other end of the copper rod; a tooth column is arranged in the permeation groove; a material containing channel is formed in the conductive cylinder corresponding to the permeation groove; the material containing channel communicates with the interior of the connecting groove; and conductive powder is arranged in thematerial containing channel and between the other end of the copper rod and the connecting groove. According to the carbon brush, an electric arc is not generated, so that the kinetic energy of high-speed rail is not reduced; and the contact is closer, and the vibration between the two is weakened, so that the wear loss is much smaller, the replacement frequency of the high-speed rail carbon brushcan be greatly reduced, and the replacement cost of the high-speed rail carbon brush is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of devices for high-speed rail, and in particular relates to a carbon brush. Background technique [0002] Due to the advantages of high speed, low environmental pollution, comfort and convenience, and high safety, high-speed railways have been vigorously developed in countries all over the world. With the rapid development of my country's high-speed railways, the popularity of electrified EMUs is getting higher and higher. The characteristics of high operating speed and high density of trains put forward higher requirements for the safety and reliability of trains. EMUs have excellent grounding systems. Design is an important part of ensuring the safe and reliable operation of trains. On the one hand, it provides a low-voltage equipotential safety environment for passengers and passengers, and on the other hand, it ensures the normal and stable operation of electrical equipment to the greatest extent. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R39/20H01R39/26H01R39/30H01R39/46H01R4/64
CPCH01R4/64H01R4/643H01R39/20H01R39/26H01R39/30H01R39/46H01R2201/10H01R2201/26
Inventor 康永喜
Owner 康永喜