CN213151848U

CN213151848U - Motor and slip ring system thereof

Info

Publication number: CN213151848U
Application number: CN202022509755.8U
Authority: CN
Inventors: 王建良; 仇超武; 龙英睿; 李进泽
Original assignee: CRRC Zhuzhou Electric Co Ltd
Current assignee: CRRC Zhuzhou Electric Co Ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-07
Anticipated expiration: 2030-11-03
Also published as: WO2022095234A1

Abstract

The utility model discloses a motor and sliding ring system thereof, include: the sealing ring is arranged between the connecting surfaces of the insulating ring and the conducting ring, and compared with the traditional sealing mode of brushing sealing glue, the sealing ring can avoid the problem of glue leakage, so that the sealing effect of the sliding ring system is improved, and the stability of the motor in operation is further ensured.

Description

Motor and slip ring system thereof

Technical Field

The utility model relates to the technical field of electric machines, in particular to sliding ring system still relates to a motor including above-mentioned sliding ring system.

Background

The slip ring system is an important component in the motor, wherein a collecting ring of the slip ring system works in a carbon powder environment and is easy to permeate carbon powder to cause short-circuit fault, so that the requirement on the sealing performance is high.

The existing sealing mode mainly adopts the mode that the side face of the insulating ring is matched with the conducting ring after being brushed or injected with glue, the sealing effect is mainly guaranteed by the aid of the sealing glue, the problem of glue leakage possibly exists in actual manufacturing, and serious fault risk is brought to the sealing performance of the collecting ring.

Therefore, how to improve the sealing effect of the slip ring system is a technical problem that needs to be solved by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a slip ring system, which can effectively ensure the sealing performance of the slip ring system.

In order to achieve the above object, the utility model provides a following technical scheme:

a slip ring system, comprising: the sealing ring is arranged between the connecting surface of the insulating ring and the conducting ring.

Preferably, the side surface of the insulating ring opposite to the conductive ring is provided with a sealing groove for accommodating the sealing ring.

Preferably, a sealant or paint is injected into the sealing groove or coated outside the sealing ring.

Preferably, the sealing groove is disposed at a side surface of the insulating ring.

Preferably, the sealing ring is a rubber ring.

Preferably, a side surface of the insulating ring contacting the conductive ring is a plane.

Preferably, a plurality of sealing rings are arranged between the insulating ring and the conducting ring.

An electrical machine comprising a slip ring system as claimed in any preceding claim.

Compared with the prior art, the technical scheme has the following advantages:

the utility model provides a motor and sliding ring system thereof, include: the sealing ring is arranged between the connecting surfaces of the insulating ring and the conducting ring, and compared with the traditional sealing mode of brushing sealing glue, the sealing ring can avoid the problem of glue leakage, so that the sealing effect of the sliding ring system is improved, and the stability of the motor in operation is further ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a slip ring system according to an embodiment of the present invention;

FIG. 2 is a front view of the insulator ring of FIG. 1;

FIG. 3 is a cross-sectional view of the insulator ring of FIG. 1;

FIG. 4 is a front view of the conductive ring of FIG. 1;

FIG. 5 is a cross-sectional view of the conductive ring of FIG. 1;

fig. 6 is a schematic structural view of the seal ring in fig. 1.

The reference numbers are as follows:

1 is an insulating ring, 2 is a conducting ring, 3 is a sealing ring, 4 is sealing glue, and 5 is a sealing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a slip ring system according to an embodiment of the present invention; FIG. 2 is a front view of the insulator ring of FIG. 1; FIG. 3 is a cross-sectional view of the insulator ring of FIG. 1; FIG. 4 is a front view of the conductive ring of FIG. 1; FIG. 5 is a cross-sectional view of the conductive ring of FIG. 1; fig. 6 is a schematic structural view of the seal ring in fig. 1.

The embodiment of the utility model provides a sliding ring system, include: insulating ring 1 and conducting ring 2 are equipped with sealing washer 3 between the face of being connected of insulating ring 1 and conducting ring 2, for the sealed mode of sealed glue 4 is applied paint with a brush to the tradition, can avoid leaking gluey problem appearance through sealing washer 3 to improve sliding ring system's sealed effect, and then guarantee motor operation ground stability.

In order to fix the sealing ring 3, the side surface of the insulating ring 1 opposite to the conductive ring 2 is provided with a sealing groove 5 for accommodating the sealing ring 3, wherein the sealing groove 5 is preferably arranged on the side surface of the insulating ring 1, and the axial length of the insulating ring 1 can not be increased by slotting the sealing groove 5, so that the overall axial length of the product can not be changed. In addition, the width, depth and shape of the sealing groove 5 can be set according to the structure of the insulating ring 1, such as the structures of the sealing groove 5 and the sealing ring 3 shown in fig. 2 and 5. In addition, the sealing groove 5 can be arranged on the side surface of the conductive ring 2 or the sealing groove 5 can be arranged on the opposite side surfaces of the insulating ring 1 and the conductive ring 2.

Furthermore, the sealing groove 5 is filled with or the sealing ring 3 is coated with the sealing glue 4 or paint, and the sealing effect can be improved and the dependence on the sealing glue 4 can be reduced by the way of mutually matching the sealing glue 4 and the sealing ring 3. In the specific assembling process, part of the sealant 4 is injected into the sealing groove 5, then the sealing ring 3 is placed into the sealing groove 5, the sealant 4 is coated on the part of the side surface of the insulating ring 1 to be sealed and the surface of the sealing ring 3 exposed out of the accommodating groove, then the conducting ring 2 and the insulating ring 1 are axially pressed through a tool, and finally the assembling work of the collecting ring can be completed through the circular assembling in the mode.

The sealing ring 3 is preferably a rubber ring, in addition, in order to further improve the sealing performance between the insulating ring 1 and the conductive ring 2, one side surface of the insulating ring 1, which is in contact with the conductive ring 2, is a plane so as to improve the connection tightness between the insulating ring 1 and the conductive ring 2, and in addition, a plurality of sealing rings 3 can be arranged between the insulating ring 1 and the conductive ring 2 so as to play a role in multiple protection.

The embodiment of the utility model provides a still provides a motor, including the sliding ring system that any above-mentioned embodiment provided, its beneficial effect refer to above-mentioned sliding ring system can, here no longer give unnecessary details.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a motor and sliding ring system thereof introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A slip ring system, comprising: the sealing ring is arranged between the connecting surface of the insulating ring and the conducting ring.

2. The slip ring system of claim 1, wherein a side of the insulating ring opposite the conductive ring is provided with a sealing groove for receiving the sealing ring.

3. The slip ring system of claim 2, wherein the sealing groove is filled with sealant or paint or the sealing ring is painted on the outside.

4. The slip ring system of claim 2, wherein the seal groove is disposed on a side of the insulating ring.

5. Slip ring system according to claim 1, characterized in that the sealing ring is a rubber ring.

6. The slip ring system of claim 1 wherein a side of the insulating ring in contact with the conductive ring is planar.

7. The slip ring system of claim 1 wherein a plurality of said sealing rings are disposed between said insulating ring and said conductive ring.

8. An electrical machine comprising a slip ring system according to any of claims 1 to 7.