CN206221544U - Brake lining and disk brake - Google Patents
Brake lining and disk brake Download PDFInfo
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- CN206221544U CN206221544U CN201621302350.4U CN201621302350U CN206221544U CN 206221544 U CN206221544 U CN 206221544U CN 201621302350 U CN201621302350 U CN 201621302350U CN 206221544 U CN206221544 U CN 206221544U
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- brake
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- brake lining
- rubbing surface
- powder metallurgy
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Abstract
The utility model provides a kind of brake lining and disk brake.The brake lining includes backboard and the brake pad on backboard, and brake pad includes：Powder metallurgy matrix, powder metallurgy matrix has the first rubbing surface for coordinating with brake disc, and offers preformed hole on the first rubbing surface；Carbon pottery matrix, carbon pottery matrix has the second rubbing surface for coordinating with brake disc；Wherein, carbon pottery matrix be arranged on preformed hole in, and carbon pottery matrix the second rubbing surface where face overlapped with the face where the first rubbing surface of powder metallurgy matrix.On the one hand brake lining so of the present utility model has the advantages that small thermal coefficient of expansion, high temperature resistant, frictional behaviour are high and stable in high-speed train braking, meet the efficient braking ability of train, on the other hand, brake lining employs powder metallurgy matrix, while increased the thermal capacity and heat conductivility of brake lining, also ensure that manufacturing cost will not be too high, beneficial to being promoted on bullet train at present.
Description
Technical field
The utility model is related to braking technology field, and in particular to a kind of brake lining and disk brake.
Background technology
Track traffic brake lining is mainly used in rail traffic vehicles disc type brake, by rubbing surface and the brake disc disk of brake lining
Face contacts, and the kinetic energy of train is converted into frictional heat energy in the presence of brake pressure, so as to realize the braking of train, it is ensured that row
The driving of car and brake safe.
In the prior art, the material that track traffic is manufactured with brake lining have polymer matrix composites, powdered metallurgical material and
Carbon ceramic material etc..Wherein, polymer matrix composites mainly extensive use, powder on the relatively low train of below 120km/h speed
The main extensive use on more than 120km/h speed train higher of metallurgical brake lining, carbon ceramic material has that density is low, thermal expansion system
The small, high temperature resistant of number, frictional behaviour are high and stable, especially the good advantage of hygrometric state stable friction performance, but due to technology
It is more expensive to manufacture caused by immature, has to a small amount of application ON TRAINS at present.
And it is current, with the development of bullet train, the increase of train braking energy, on bullet train in the prior art
Widely used powder metallurgy brake pad, produces temperature higher when being braked at a high speed due to train, powder metallurgy brake pad has high temperature
Easily bond, elevated temperature strength decline significantly, thermal shock resistance is poor, service life is short and hygrometric state condition under frictional behaviour it is poor etc. scarce
Fall into, it is difficult to meet the use requirement of bullet train.
Utility model content
Main purpose of the present utility model is the processing method for providing a kind of brake lining, disk brake and brake lining, to solve
Certainly in the prior art high-speed train braking when the poor problem of braking ability.
To achieve the above object, the utility model provides a kind of brake lining, including backboard and the friction on backboard
Block, brake pad includes：Powder metallurgy matrix, powder metallurgy matrix has for the first rubbing surface with brake disc cooperation, and
Preformed hole is offered on first rubbing surface；Carbon pottery matrix, carbon pottery matrix has the second rubbing surface for coordinating with brake disc；Its
In, carbon pottery matrix is arranged in preformed hole, and the face and the first of powder metallurgy matrix where the second rubbing surface of carbon pottery matrix
Face where rubbing surface overlaps.
Further, the first rubbing surface and the second rubbing surface are plane.
Further, the area of plane ratio of the area of plane of the first rubbing surface and the second rubbing surface is 1:1 to 1.2:1 it
Between.
Further, preformed hole is through hole or blind hole.
Further, the quantity of brake pad is multiple, and multiple brake pads are uniformly distributed on backboard.
The utility model also provides a kind of disk brake, including disk brake body and brake lining, and brake lining is as above
Brake lining.
The utility model also provides a kind of processing method of brake lining, comprises the following steps：
S10：The powder-material of powder metallurgy matrix reserves preformed hole during colding pressing, and prefabricated blank is formed after colding pressing；
S20：Carbon pottery matrix is put into the preformed hole of powder metallurgy matrix；
S30：Prefabricated blank with carbon pottery matrix is carried out into high temperature sintering；
S40：Prefabricated blank is arranged on the backboard of brake lining.
Further, carbon pottery matrix is put into the preformed hole of powder metallurgy matrix in the way of inlaying.
Further, it is further comprising the steps of after the step s 40：
Step S50：Curing process is carried out after hot-forming；
Step S60：It is machined after solidification.
Technical solutions of the utility model, have the following advantages that：
1. in the brake lining that the utility model is provided, powder metallurgy matrix and carbon Tao Ji are combined in the brake pad in brake lining
Body, so that one side brake lining has small thermal coefficient of expansion, high temperature resistant, frictional behaviour high and stably excellent in high-speed train braking
Point, meets the efficient braking ability of train, and on the other hand, brake lining employs powder metallurgy matrix, increased the thermal capacity of brake lining
While with heat conductivility, also ensure that manufacturing cost will not be too high, beneficial to being promoted on bullet train at present.
2. in the brake lining that the utility model is provided, the area of plane ratio of the area of plane of the first rubbing surface and the second rubbing surface
Example is 1:1 to 1.2:Between 1, such brake lining is when bullet train is braked, and the braking ability of brake lining is independent relative to brake lining
The braking ability of the powder metallurgy friction block for using can be highly improved, it is sufficient to suitable for the braking of current bullet train
Demand, while simultaneously non-fully using carbon ceramic material, reduces the use of expensive carbon ceramic material, relative to using single carbon ceramic material
Brake lining, the manufacturing cost of brake lining is relatively low, is promoted the use of beneficial on bullet train.
3. in the disk brake that the utility model is provided, as a result of the brake lining in the utility model, so as in control
While making manufacturing cost, have the advantages that have small thermal coefficient of expansion, high temperature resistant, frictional behaviour high and stabilization.
4. in the processing method of the brake lining that the utility model is provided, carbon pottery matrix can be securely fixed in powder metallurgy
In matrix, make the combination of carbon pottery matrix and powder metallurgy matrix more solid and reliable, improve the braking ability of brake lining, extend
The service life of brake lining.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the structural representation of brake lining in the utility model first embodiment；
Fig. 2 is the structural representation of brake pad in brake lining shown in Fig. 1；
Fig. 3 is the cross section structure diagram of brake pad in brake lining shown in Fig. 1.
Wherein, the reference in above-mentioned accompanying drawing is：
10- brake pads；11- powder metallurgy matrixes；The rubbing surfaces of 111- first；12- carbon pottery matrix；The rubbing surfaces of 121- second；
20- backboards.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
Embodiment 1
As shown in Figure 1 to Figure 3, the brake lining according to the utility model embodiment includes backboard 20 and on backboard 20
Brake pad 10, brake pad 10 includes：Powder metallurgy matrix 11, powder metallurgy matrix 11 has for first with brake disc cooperation
Rubbing surface 111, and offer preformed hole on the first rubbing surface 111；Carbon pottery matrix 12, carbon pottery matrix 12 has to be used for and braking
The second rubbing surface 121 that disk coordinates；Wherein, carbon pottery matrix 12 be arranged on preformed hole in, and carbon make pottery matrix 12 the second rubbing surface
Face where 121 overlaps with the face where first rubbing surface 111 of powder metallurgy matrix 11,
So as to the brake lining in application the present embodiment, when bullet train is braked, when brake lining is with brake disc friction catch,
, due to there is carbon matrix 12 of making pottery to be rubbed, so that brake lining has in high-speed train braking, thermal coefficient of expansion is small, resistance to height for rubbing surface
Temperature, frictional behaviour advantage high and stable, meet the efficient braking ability of train, simultaneously as brake lining employs powder metallurgy
Matrix 11, while increased the thermal capacity and heat conductivility of brake lining, also ensure that manufacturing cost will not be too high, have beneficial to this
The brake lining of efficient braking ability is promoted on bullet train.
Specifically, as shown in Figures 2 and 3, the first rubbing surface 111 and second coordinated with brake disc is used in the present embodiment
Rubbing surface 121 is plane, and certainly, the shape of the first rubbing surface 111 and the second rubbing surface 121 can be according to brake disc end surface shape
Concrete condition be adjusted.
Preferably, in the brake pad 10 in the utility model embodiment brake lining, the first friction of powder metallurgy matrix 11
The area of plane ratio of the second rubbing surface 121 of the area of plane and carbon the pottery matrix 12 in face 111 is 1:1 to 1.2:Between 1.Through surveying
Calculate, in this proportion, when bullet train is braked, the braking ability of brake lining is used alone brake lining relative to brake lining
The braking ability of powder metallurgy friction block can be highly improved, it is sufficient to the braking suitable for current bullet train is needed
Ask.Carbon ceramic material is used simultaneously and non-fully, the use of expensive carbon ceramic material is reduced, relative to using single carbon ceramic material
Brake lining, the manufacturing cost of brake lining is relatively low, is promoted the use of beneficial on bullet train.
Specifically, the preformed hole in the utility model embodiment is through hole or blind hole.Using being convenient for if through hole plus
Work.Using being also beneficial to save carbon ceramic material if blind hole, while the consumption of carbon ceramic material is not increased excessively, it is ensured that brake lining
Performance when high speed is braked.
With further reference to Fig. 1, the quantity of the brake pad 10 in the utility model embodiment brake lining is multiple, multiple brake pads
10 are uniformly distributed on backboard 20, and such brake lining is conducive to the uniform force of brake pad 10 when braking is coordinated with brake disc, brake
Steadily.
The utility model also provides a kind of disk brake, including disk brake body and brake lining, and brake lining is as above institute
The brake lining stated, thus the disk brake in the utility model embodiment have in high-speed train braking thermal coefficient of expansion it is small,
High temperature resistant, frictional behaviour advantage high and stable, meet the efficient braking ability of train, on the other hand, in disk brake
And carbon ceramic material is non-fully used, also ensure that manufacturing cost will not be too high, beneficial to being promoted on bullet train at present.
Embodiment 2
The utility model also provides a kind of processing method of brake lining, comprises the following steps：
Step S10：The powder-material of powder metallurgy matrix 11 reserves preformed hole during colding pressing, and is formed after colding pressing
Prefabricated blank；
Step S20：Carbon pottery matrix 12 is put into the preformed hole of powder metallurgy matrix 11；
Step S30：Prefabricated blank with carbon pottery matrix 12 is carried out into high temperature sintering；
Step S40：Prefabricated blank is arranged on the backboard 20 of brake lining.
Using the processing method of the brake lining of the present embodiment, carbon pottery matrix 12 can be securely fixed in powder metallurgy matrix
In 11, make the combination of carbon pottery matrix 12 and powder metallurgy matrix 11 more solid and reliable, improve the braking ability of brake lining, extend
The service life of brake lining.
Preferably, carbon pottery matrix 12 is put into the way of inlaying in the preformed hole of powder metallurgy matrix 11, so follow-up
Processing and using middle carbon make pottery matrix 12 be difficult to be separated with powder metallurgy matrix 11, further ensure brake lining in use can
By property.
Preferably, it is further comprising the steps of after the step s 40：Step S50：Curing process is carried out after hot-forming；
Step S60：It is machined after solidification.The overall performance of brake lining so can be further improved, effectively extends brake lining
With the service life of brake disc, abrasion, and then stabilization brake force are effectively reduced.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (6)
1. a kind of brake lining, including backboard (20) and the brake pad (10) on the backboard (20), it is characterised in that described
Brake pad (10) includes：
Powder metallurgy matrix (11), the powder metallurgy matrix (11) is with the first rubbing surface for coordinating with brake disc
(111), and on first rubbing surface (111) preformed hole is offered；
Carbon pottery matrix (12), the carbon makes pottery matrix (12) with the second rubbing surface (121) for coordinating with the brake disc；
Wherein, the carbon makes pottery matrix (12) in the preformed hole, and carbon pottery matrix (12) the second rubbing surface
(121) face where overlaps with the face where first rubbing surface (111) of the powder metallurgy matrix (11).
2. brake lining according to claim 1, it is characterised in that first rubbing surface (111) and second rubbing surface
(121) it is plane.
3. brake lining according to claim 2, it is characterised in that the area of plane of first rubbing surface (111) with it is described
The area of plane ratio of the second rubbing surface (121) is 1:1 to 1.2:Between 1.
4. brake lining according to claim 1, it is characterised in that the preformed hole is through hole or blind hole.
5. brake lining according to any one of claim 1 to 4, it is characterised in that the quantity of the brake pad (10) is many
Individual, the multiple brake pad (10) is uniformly distributed on the backboard (20).
6. a kind of disk brake, it is characterised in that including disk brake body and brake lining, the brake lining is claim 1
Brake lining any one of 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302350.4U CN206221544U (en) | 2016-11-30 | 2016-11-30 | Brake lining and disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302350.4U CN206221544U (en) | 2016-11-30 | 2016-11-30 | Brake lining and disk brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221544U true CN206221544U (en) | 2017-06-06 |
Family
ID=58786667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621302350.4U Active CN206221544U (en) | 2016-11-30 | 2016-11-30 | Brake lining and disk brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438777A (en) * | 2016-11-30 | 2017-02-22 | 北京天宜上佳新材料股份有限公司 | Brake pad, disc brake and machining method of brake pad |
-
2016
- 2016-11-30 CN CN201621302350.4U patent/CN206221544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438777A (en) * | 2016-11-30 | 2017-02-22 | 北京天宜上佳新材料股份有限公司 | Brake pad, disc brake and machining method of brake pad |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102206 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee after: Beijing Tianyi good high-tech materials Limited by Share Ltd Address before: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee before: Beijing Tianyi good new materials Limited by Share Ltd |