CN107387611B

CN107387611B - Brake disc and have its rail vehicle

Info

Publication number: CN107387611B
Application number: CN201710731159.4A
Authority: CN
Inventors: 赖森华; 张雄飞; 王朝涛; 赵海芹; 张月军; 周平宇; 丁叁叁; 刘玉文
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2017-08-23
Filing date: 2017-08-23
Publication date: 2020-01-10
Anticipated expiration: 2037-08-23
Also published as: CN107387611A

Abstract

The invention provides a brake disc and a railway vehicle with the same, wherein the brake disc comprises a disc main body and supporting blocks arranged on the disc main body, the disc main body is made of a carbon ceramic material, the supporting blocks are made of a carbon-carbon material, and the brake disc fully combines the excellent frictional wear performance of the carbon ceramic material and the excellent high-temperature mechanical property of the carbon-carbon material, so that the brake disc is uniformly stressed in the braking process, the safety coefficient of a subway vehicle braking device is increased, and the weight reduction effect is obvious. The brake disc solves the problem that the brake disc in the prior art cannot meet the braking requirement of the running of a railway vehicle.

Description

Brake disc and have its rail vehicle

Technical Field

The invention relates to the field of vehicle braking, in particular to a brake disc and a railway vehicle with the brake disc.

Background

With the continuous enlargement of urbanization scale in China, urban rail transit is developed rapidly, subway technology is developed towards safer and faster directions, and the requirements of higher braking efficiency, better safety and reliability, harsher environmental adaptability and the like are provided for braking friction materials.

However, the brake disc in the prior art cannot meet the braking requirements of the operation of the railway vehicle.

Disclosure of Invention

The invention mainly aims to provide a brake disc and a railway vehicle with the same, and aims to solve the problem that the brake disc in the prior art cannot meet the braking requirement of the running of the railway vehicle.

In order to achieve the above object, according to one aspect of the present invention, there is provided a brake disc including a disc main body and support blocks provided on the disc main body, wherein the disc main body is made of a carbon ceramic material, and the support blocks are made of a carbon-carbon material.

Further, the supporting shoe is a plurality of, and a plurality of supporting shoes set up along the circumferencial direction interval of dish main part.

Further, the supporting blocks are multiple, the supporting blocks comprise multiple supporting block groups, the supporting block groups are provided with multiple supporting blocks, and the supporting block groups are arranged at intervals in the circumferential direction of the disc main body.

Furthermore, a plurality of supporting blocks in the same group of supporting block groups are arranged at intervals along the radial direction of the disc main body.

Further, the plurality of supporting blocks comprise a first supporting block and a second supporting block, and at least part of the supporting block groups comprise the first supporting block and the second supporting block.

Further, the plurality of support block groups comprise a first support block group and a second support block group, the first support block group is composed of a plurality of first support blocks, and the second support block group comprises a first support block and a second support block.

Furthermore, the second support block group comprises two first support blocks and a second support block, and the second support block is located between the two first support blocks.

Furthermore, a bearing steel sleeve is arranged on the second supporting block.

Further, be provided with a plurality of friction rings on the disk main part, a plurality of friction rings set up along the circumference interval of disk main part, and the friction ring is made by carbon pottery material.

Furthermore, a plurality of through holes for the fasteners to pass through are formed in the disc main body, the through holes and the friction rings are arranged in a one-to-one correspondence mode, and the hole center line of each through hole is overlapped with the center line of the corresponding friction ring.

According to another aspect of the invention, a rail vehicle is provided, which comprises a brake disc, wherein the brake disc is the brake disc.

The brake disc is applied to the railway vehicle and comprises a disc main body and the supporting blocks, the supporting blocks are arranged on the disc main body to play a braking role, the disc main body is made of carbon ceramic materials, the supporting blocks are made of carbon-carbon materials, the brake disc fully combines excellent frictional wear performance of the carbon ceramic materials and excellent high-temperature mechanical performance of the carbon-carbon materials, so that the brake disc is stressed uniformly in the braking process, the safety coefficient of a braking device of the subway vehicle is increased, the weight reduction effect is obvious, technical support is provided for popularization of the subway, and the brake disc has the remarkable characteristics of high brake reaction speed, low brake attenuation, high abrasion resistance, longer service life and the like.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a top view of an embodiment of a brake disc according to the invention;

figure 2 shows a perspective view of an embodiment of a brake disc according to the invention; and

fig. 3 shows a front view of an embodiment of a brake disc according to the invention.

Wherein the figures include the following reference numerals:

10. a disc main body; 11. a support block group; 111. a first support block; 112. a second support block; 12. a first support block group; 13. a second support block group; 113. carrying a steel sleeve; 14. a friction ring; 15. a fastener; 16. a through hole.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a brake disc, referring to fig. 1 to 3, the brake disc includes a disc main body 10 and support blocks disposed on the disc main body 10, wherein the disc main body 10 is made of carbon ceramic material, and the support blocks are made of carbon material.

The brake disc is applied to the railway vehicle and comprises a disc main body 10 and supporting blocks, the supporting blocks are arranged on the disc main body 10 to play a braking role, the disc main body 10 is made of carbon ceramic materials, the supporting blocks are made of carbon-carbon materials, and the brake disc fully combines excellent frictional wear performance of the carbon ceramic materials and excellent high-temperature mechanical performance of the carbon-carbon materials, so that the brake disc is stressed uniformly in the braking process, the safety coefficient of a braking device of the subway vehicle is increased, the weight reduction effect is obvious, technical support is provided for popularization of the subway, and the brake disc has the remarkable characteristics of high brake reaction speed, low brake decay, high abrasion resistance, longer service life and the like.

In the present embodiment, the supporting blocks are plural, and the plural supporting blocks are arranged at intervals in the circumferential direction of the disk main body 10 and symmetrically distributed along the circumference of the disk main body 10.

In order to ensure the heat dissipation of the brake disc during the braking process, the number of the supporting blocks is multiple, the multiple supporting blocks include multiple supporting block groups 11, the multiple supporting block groups 11 have multiple supporting blocks, and the multiple supporting block groups 11 are arranged at intervals along the circumferential direction of the disc main body 10. In this way, the supporting effect of the support disc can be increased.

In specific implementation, a plurality of support blocks in the same set of support block groups 11 are arranged at intervals along the radial direction of the disc main body 10. The supporting blocks in the same group of supporting blocks 11 are uniformly arranged along the radial direction of the disc main body 10, so that the supporting function of the brake disc can be further improved.

Preferably, the plurality of support blocks include a first support block 111 and a second support block 112, and at least a part of the support block set 11 includes the first support block 111 and the second support block 112, which ensures that the brake disc is stressed uniformly.

Specifically, the plurality of support block groups 11 are arranged in a manner that the plurality of support block groups 11 include a first support block group 12 and a second support block group 13, the first support block group 12 is formed by a plurality of first support blocks 111, and the second support block group 13 includes a first support block 111 and a second support block 112. Preferably, the first support block group 12 is 6 groups, and the second support block group 13 is 6 groups.

The second supporting block set 13 in this embodiment is embodied in a manner that the second supporting block set 13 includes two first supporting blocks 111 and a second supporting block 112, and the second supporting block 112 is located between the two first supporting blocks 111. At this time, the first support block group 12 includes three first support blocks 111.

In order to bear the stress of the second supporting block 112, the second supporting block 112 is provided with a bearing steel sleeve 113, the center line of the bearing steel sleeve 113 is overlapped with the center line of the second supporting block 112, and the bearing steel sleeve 113 plays a role in transmitting the torque.

In order to improve the frictional wear performance of the brake disc, a plurality of friction rings 14 are arranged on the disc main body 10, the friction rings 14 are arranged at intervals along the circumferential direction of the disc main body 10, the friction rings 14 are made of carbon ceramic materials, and the friction rings 14 play a supporting role.

In order to mount the brake disc on the wheel, the disc main body 10 is provided with a plurality of through holes 16 for the fasteners 15 to pass through, the plurality of through holes 16 and the plurality of friction rings 14 are arranged in one-to-one correspondence, the hole center line of each through hole 16 coincides with the center line of the corresponding friction ring 14, and the brake disc is connected with the wheel through the fasteners penetrating through the through holes 16, which facilitates the mounting and replacement of the brake disc.

Preferably, the number of the through-holes 16 is 12, and the through-holes are uniformly arranged at intervals in the circumferential direction of the disk main body 10.

The brake disc described above can be used on a rail vehicle, i.e. the present invention provides a rail vehicle. The rail vehicle comprises a brake disc, and the brake disc is the brake disc of the embodiment. The rail vehicle has excellent braking performance, can greatly reduce the damage to the rail, reduces the train operation and maintenance cost, and has higher safety factor.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the brake disc is applied to the railway vehicle and comprises a disc main body 10 and supporting blocks, the supporting blocks are arranged on the disc main body 10 to play a braking role, the disc main body 10 is made of carbon ceramic materials, the supporting blocks are made of carbon-carbon materials, and the brake disc fully combines excellent frictional wear performance of the carbon ceramic materials and excellent high-temperature mechanical performance of the carbon-carbon materials, so that the brake disc is uniformly stressed in the braking process, the safety coefficient of a braking device of the subway vehicle is increased, the weight reduction effect is obvious, and technical support is provided for popularization of subways.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake disc comprising a disc body (10) and support blocks provided on the disc body (10), characterized in that the disc body (10) is made of a carbon ceramic material and the support blocks are made of a carbon-carbon material;

the number of the supporting blocks is multiple, the supporting blocks comprise a plurality of supporting block groups (11), the supporting block groups (11) are provided with a plurality of supporting blocks, and the supporting block groups (11) are arranged at intervals along the circumferential direction of the disc main body (10);

the plurality of supporting blocks comprise a first supporting block (111) and a second supporting block (112), and at least part of the supporting block groups (11) comprise the first supporting block (111) and the second supporting block (112);

the plurality of support block groups (11) comprise a first support block group (12) and a second support block group (13), the first support block group (12) is composed of a plurality of first support blocks (111), and the second support block group (13) comprises a first support block (111) and a second support block (112);

wherein the first support block group (12) and the second support block group (13) are alternately arranged in a circumferential direction of the disk main body (10);

a plurality of friction rings (14) are arranged on the disc main body (10), the friction rings (14) are arranged at intervals along the circumferential direction of the disc main body (10), and the friction rings (14) are made of carbon ceramic materials;

the second supporting block group (13) comprises two first supporting blocks (111) and one second supporting block (112), and the second supporting block (112) is located between the two first supporting blocks (111);

the first support block group (12) includes three first support blocks (111).

2. Disc according to claim 1, wherein said support blocks are a plurality of ones, spaced along the circumferential direction of said disc body (10).

3. Disc according to claim 1, wherein a plurality of said support blocks in the same set of said support blocks (11) are arranged at intervals radially of said disc body (10).

4. Brake disc according to claim 1, characterized in that the second support block (112) is provided with a receiving steel sleeve (113).

5. The brake disc according to claim 1, wherein the disc body (10) is provided with a plurality of through holes (16) for passing fasteners (15), the plurality of through holes (16) and the plurality of friction rings (14) are arranged in one-to-one correspondence, and a hole center line of each through hole (16) coincides with a center line of the corresponding friction ring (14).

6. A rail vehicle comprising a brake disc, characterized in that the brake disc is a brake disc according to any one of claims 1 to 5.