CN106438777A - Brake pad, disc brake and machining method of brake pad - Google Patents
Brake pad, disc brake and machining method of brake pad Download PDFInfo
- Publication number
- CN106438777A CN106438777A CN201611081983.1A CN201611081983A CN106438777A CN 106438777 A CN106438777 A CN 106438777A CN 201611081983 A CN201611081983 A CN 201611081983A CN 106438777 A CN106438777 A CN 106438777A
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- CN
- China
- Prior art keywords
- brake
- matrix
- brake lining
- powder metallurgy
- rubbing surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
Abstract
The invention provides a brake pad, a disc brake and a machining method of the brake pad. The brake pad comprises a back plate and a friction block installed on the back plate. The friction block comprises a powder metallurgy base body and a carbon ceramic base body, wherein the powder metallurgy base body is provided with a first friction face used for being matched with a brake disc, and a preformed hole is formed in the first friction face; the carbon ceramic base body is provided with a second friction face used for being matched with the brake disc; and the carbon ceramic base body is installed in the preformed hole, and the face where the second friction face of the carbon ceramic base body is located coincides with the face where the first friction face of the powder metallurgy base body is located. Accordingly, on one hand, the brake pad has the beneficial effects of being small in thermal expansion coefficient, resistant to high temperature, high in friction performance and stable in the braking process of a high-speed train, the requirement for the high-efficiency brake performance of the train is met, on the other hand, the powder metallurgy base body is adopted in the brake pad, while thermal capacity and heat conducting performance of the brake pad are improved, it is also ensured that the manufacturing cost will not be too high, and the brake pad can be popularized in the high-speed train at present beneficially.
Description
Technical field
The present invention relates to braking technology field is and in particular to the processing method of a kind of brake lining, disk brake and brake lining.
Background technology
Track traffic brake lining is mainly used in rail traffic vehicles disc type brake, by the rubbing surface of brake lining and brake disc disk
Face contacts, and in the presence of brake pressure, the kinetic energy of train is converted into frictional heat energy, thus realizing the braking of train it is ensured that arranging
The driving of car and brake safe.
In prior art, the material of track traffic brake lining manufacture have polymer matrix composites, powdered metallurgical material and
Carbon ceramic material etc..Wherein, polymer matrix composites are mainly extensively applied on the relatively low train of below 120km/h speed, powder
Metallurgical brake lining is mainly extensively applied on the higher train of more than 120km/h speed, and carbon ceramic material has that density is low, thermal expansion system
Number is little, high temperature resistant, frictional behaviour is high and stable, the especially good advantage of hygrometric state stable friction performance, but due to technology
The immature manufacturing cost leading to is high, has to a small amount of application at present ON TRAINS.
And current, with the development of bullet train, the increase of train braking energy, on prior art high speed train
Widely used powder metallurgy brake pad, produces higher temperature due to when train is braked at a high speed, powder metallurgy brake pad has high temperature
Easily bonding, elevated temperature strength decline that notable, thermal shock resistance is poor, service life is short and hygrometric state condition under frictional behaviour poor etc. scarce
Fall into it is difficult to meet the use requirement of bullet train.
Content of the invention
Present invention is primarily targeted at the processing method providing a kind of brake lining, disk brake and brake lining, existing to solve
Braking ability poor problem when having technology high speed train braking.
For achieving the above object, the invention provides a kind of brake lining, including backboard and the brake pad being arranged on backboard, rub
Cleaning block includes：Powder metallurgy matrix, powder metallurgy matrix has the first rubbing surface for coordinating with brake disc, and rubs first
Preformed hole is offered on wiping face；Carbon pottery matrix, carbon pottery matrix has the second rubbing surface for coordinating with brake disc；Wherein, carbon
Tao Jiti is arranged on reserved in the hole, and the face at the second rubbing surface place of carbon pottery matrix and the first rubbing surface of powder metallurgy matrix
The face being located 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 present invention also provides a kind of disk brake, and including disk brake body and brake lining, brake lining is brake lining as above.
The present invention also provides a kind of processing method of brake lining, comprises the following steps：
S10：The powder-material of powder metallurgy matrix, during colding pressing, reserves preformed hole, forms prefabricated blank after colding pressing；
S20：Carbon pottery matrix is put into the reserved in the hole of powder metallurgy matrix；
S30：Prefabricated blank with carbon pottery matrix is carried out high temperature sintering；
S40：Prefabricated blank is arranged on the backboard of brake lining.
Further, carbon pottery matrix puts into the reserved in the hole of powder metallurgy matrix in the way of inlaying.
Technical solution of the present invention, has the advantage that：
1., in the brake lining that the present invention provides, in the brake pad in brake lining, combine powder metallurgy matrix and carbon pottery matrix, from
And one side brake lining has the advantages that in high-speed train braking thermal coefficient of expansion is little, high temperature resistant, frictional behaviour is high and stable, full
The foot efficient braking ability of train, on the other hand, brake lining employs powder metallurgy matrix, increased thermal capacity and the heat conduction of brake lining
While performance, 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 present invention provides, the area of plane of the first rubbing surface is existed with the area of plane ratio of the second rubbing surface
1:1 to 1.2:Between 1, when bullet train is braked, the braking ability of brake lining is used alone such brake lining with respect to brake lining
Powder metallurgy friction block braking ability can be highly improved it is sufficient to be applied to current bullet train braking need
Ask, adopt carbon ceramic material simultaneously and non-fully, decrease the use of expensive carbon ceramic material, with respect to using single carbon ceramic material
Brake lining, the manufacturing cost of brake lining is relatively low, promotes the use of beneficial on bullet train.
3. in the disk brake that the present invention provides, due to employing the brake lining in the present invention, thus controlling manufacture
While cost, have the advantages that to have that thermal coefficient of expansion is little, high temperature resistant, frictional behaviour is high and stable.
4., in the processing method of brake lining that the present invention provides, carbon pottery matrix can be securely fixed in powder metallurgy matrix
In, make carbon pottery matrix more solid and reliable with the combination of powder metallurgy matrix, improve the braking ability of brake lining, extend brake lining
Service life.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
In embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe in
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, 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 first embodiment of the invention；
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 pad；11- powder metallurgy matrix；111- first rubbing surface；12- carbon pottery matrix；121- second rubbing surface；
20- backboard.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described with the enforcement it is clear that described
Example is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplify description, rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
Embodiment 1
As shown in Figure 1 to Figure 3, brake lining according to embodiments of the present invention includes backboard 20 and the friction being arranged on backboard 20
Block 10, brake pad 10 includes：Powder metallurgy matrix 11, powder metallurgy matrix 11 has the first friction for coordinating with brake disc
Face 111, and offer preformed hole on the first rubbing surface 111；Carbon pottery matrix 12, carbon pottery matrix 12 is had for being joined with brake disc
The second rubbing surface 121 closing；Wherein, carbon pottery matrix 12 is arranged on reserved in the hole, and the second rubbing surface 121 institute of carbon pottery matrix 12
The face that is located of the first rubbing surface 111 of face and powder metallurgy matrix 11 overlap,
Thus applying the brake lining in the present embodiment, when bullet train is braked, when brake lining and brake disc frictional damping,
, due to there being carbon pottery matrix 12 to be rubbed, thus brake lining has in high-speed train braking, thermal coefficient of expansion is little, resistance to height for rubbing surface
The high and stable advantage of temperature, frictional behaviour, meets the efficient braking ability of train, simultaneously as brake lining employs powder metallurgy
Matrix 11, increased brake lining thermal capacity and heat conductivility while, also ensure that manufacturing cost will not be too high, have beneficial to this
Efficiently the brake lining of braking ability is promoted on bullet train.
Specifically, as shown in Figures 2 and 3, it is used for the first rubbing surface 111 and second with brake disc cooperation 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 embodiment of the present invention brake lining, the first rubbing surface 111 of powder metallurgy matrix 11
The area of plane and carbon make pottery matrix 12 the second rubbing surface 121 area of plane ratio 1:1 to 1.2:Between 1.Through calculating,
In this proportion, brake lining when bullet train is braked, the powder that the braking ability of brake lining is used alone with respect to brake lining
The braking ability of end metallurgy brake pad can be highly improved it is sufficient to be applied to the braking requirement of current bullet train.With
When and non-fully adopt carbon ceramic material, decrease the use of expensive carbon ceramic material, with respect to the brake lining using single carbon ceramic material,
The manufacturing cost of brake lining is relatively low, promotes the use of beneficial on bullet train.
Specifically, the preformed hole in the embodiment of the present invention is through hole or blind hole.Using be convenient for if through hole process.Adopt
With being also beneficial to if blind hole save carbon ceramic material, it is ensured that brake lining is in height while excessively not increasing the consumption of carbon ceramic material
Performance during speed braking.
With further reference to Fig. 1, the quantity of the brake pad 10 in embodiment of the present invention brake lining is multiple, and multiple brake pads 10 exist
It is uniformly distributed on backboard 20, such brake lining, when with brake disc cooperation braking, is conducive to brake pad 10 uniform force, braking is flat
Surely.
The present invention also provides a kind of disk brake, and including disk brake body and brake lining, brake lining is as above
Brake lining, thus the disk brake in the embodiment of the present invention has in high-speed train braking, thermal coefficient of expansion is little, high temperature resistant, rub
Wipe the high and stable advantage of performance, meet the efficient braking ability of train, on the other hand, in disk brake adopt also and non-fully
Use carbon ceramic material, also ensure that manufacturing cost will not be too high, beneficial to being promoted on bullet train at present.
Embodiment 2
The present invention also provides a kind of processing method of brake lining, comprises the following steps：
Step S10：The powder-material of powder metallurgy matrix 11, during colding pressing, reserves preformed hole, is formed after colding pressing
Prefabricated blank；
Step S20：Carbon pottery matrix 12 is put into the reserved in the hole of powder metallurgy matrix 11；
Step S30：Prefabricated blank with carbon pottery matrix 12 is carried out 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, high temperature sintering makes the raw melting of powder metallurgy matrix 11 middle part distribution
Deformation, carbon pottery matrix 12 can be securely fixed in powder metallurgy matrix 11, make carbon pottery matrix 12 and powder metallurgy matrix
11 combination is more solid and reliable, improves the braking ability of brake lining, extends the service life of brake lining.
Preferably, carbon pottery matrix 12 is the reserved in the hole putting into powder metallurgy matrix 11 in the way of inlaying, so follow-up
Processing and use in carbon pottery matrix 12 be difficult to separate with powder metallurgy matrix 11, further ensure brake lining in use can
By property.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.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 to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (8)
1. a kind of brake lining, including backboard (20) with the brake pad (10) that is arranged on described backboard (20) is it is characterised in that described
Brake pad (10) includes：
Powder metallurgy matrix (11), described powder metallurgy matrix (11) has the first rubbing surface for coordinating with brake disc
(111), and offer preformed hole on described first rubbing surface (111)；
Carbon pottery matrix (12), described carbon pottery matrix (12) has the second rubbing surface (121) for coordinating with described brake disc；
Wherein, described carbon pottery matrix (12) is arranged on described reserved in the hole, and the second rubbing surface of described carbon pottery matrix (12)
(121) face that the face being located is located with first rubbing surface (111) of described powder metallurgy matrix (11) overlaps.
2. brake lining according to claim 1 is it is characterised in that described first rubbing surface (111) and described second rubbing surface
(121) it is plane.
3. brake lining according to claim 2 it is characterised in that the area of plane of described first rubbing surface (111) with 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 is it is characterised in that described preformed hole is through hole or blind hole.
5. brake lining according to any one of claim 1 to 4 is it is characterised in that the quantity of described brake pad (10) is many
Individual, the plurality of brake pad (10) is uniformly distributed on described backboard (20).
6. it is characterised in that including disk brake body and brake lining, described brake lining is claim 1 to a kind of disk brake
Brake lining any one of to 5.
7. a kind of processing method of brake lining is it is characterised in that comprise the following steps：
S10：The powder-material of powder metallurgy matrix (11), during colding pressing, reserves preformed hole, forms prefabricated blank after colding pressing；
S20：Carbon matrix (12) of making pottery is put into the reserved in the hole of described powder metallurgy matrix (11)；
S30：Described prefabricated blank with described carbon pottery matrix (12) is carried out high temperature sintering；
S40：Described prefabricated blank is arranged on the backboard (20) of described brake lining.
8. the processing method of automobile brake sheet according to claim 7 is it is characterised in that described carbon pottery matrix (12) is with inlay
Mode puts into the reserved in the hole of described powder metallurgy matrix (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081983.1A CN106438777A (en) | 2016-11-30 | 2016-11-30 | Brake pad, disc brake and machining method of brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081983.1A CN106438777A (en) | 2016-11-30 | 2016-11-30 | Brake pad, disc brake and machining method of brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438777A true CN106438777A (en) | 2017-02-22 |
Family
ID=58222602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611081983.1A Pending CN106438777A (en) | 2016-11-30 | 2016-11-30 | Brake pad, disc brake and machining method of brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438777A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09221658A (en) * | 1990-09-28 | 1997-08-26 | Honda Motor Co Ltd | Friction material |
| EP0882905A2 (en) * | 1997-06-06 | 1998-12-09 | Westinghouse Air Brake Company | Brake shoe for reconditioning the tread of a railway vehicle wheel |
| CN2580204Y (en) * | 2002-10-28 | 2003-10-15 | 陈怀荣 | Brake shoe for high speed railway vehicle |
| DE10348123B3 (en) * | 2003-10-16 | 2004-11-18 | Daimlerchrysler Ag | Production of a structural component with a protective layer from a carbon-fiber reinforced silicon carbide ceramic, useful in space and automobile technology |
| EP1528280A2 (en) * | 2003-10-30 | 2005-05-04 | Akebono Corporation | Friction material configuration and method of manufacture for brake applications |
| US7219776B2 (en) * | 2001-04-18 | 2007-05-22 | Audi Ag | Friction disc and process for producing the same |
| CN201166074Y (en) * | 2008-03-21 | 2008-12-17 | 北京华夏友联电气化新技术发展有限公司 | Powder metallurgy brake block |
| JP2009299167A (en) * | 2008-06-17 | 2009-12-24 | Honda Motor Co Ltd | Forming method of aluminum-based composite layer, and manufacturing method of brake rotor |
| JP2015165162A (en) * | 2015-03-20 | 2015-09-17 | 北海道旅客鉄道株式会社 | Vehicle blake shoe and friction material |
| CN206221544U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | Brake lining and disk brake |
-
2016
- 2016-11-30 CN CN201611081983.1A patent/CN106438777A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09221658A (en) * | 1990-09-28 | 1997-08-26 | Honda Motor Co Ltd | Friction material |
| EP0882905A2 (en) * | 1997-06-06 | 1998-12-09 | Westinghouse Air Brake Company | Brake shoe for reconditioning the tread of a railway vehicle wheel |
| US7219776B2 (en) * | 2001-04-18 | 2007-05-22 | Audi Ag | Friction disc and process for producing the same |
| CN2580204Y (en) * | 2002-10-28 | 2003-10-15 | 陈怀荣 | Brake shoe for high speed railway vehicle |
| DE10348123B3 (en) * | 2003-10-16 | 2004-11-18 | Daimlerchrysler Ag | Production of a structural component with a protective layer from a carbon-fiber reinforced silicon carbide ceramic, useful in space and automobile technology |
| EP1528280A2 (en) * | 2003-10-30 | 2005-05-04 | Akebono Corporation | Friction material configuration and method of manufacture for brake applications |
| CN201166074Y (en) * | 2008-03-21 | 2008-12-17 | 北京华夏友联电气化新技术发展有限公司 | Powder metallurgy brake block |
| JP2009299167A (en) * | 2008-06-17 | 2009-12-24 | Honda Motor Co Ltd | Forming method of aluminum-based composite layer, and manufacturing method of brake rotor |
| JP2015165162A (en) * | 2015-03-20 | 2015-09-17 | 北海道旅客鉄道株式会社 | Vehicle blake shoe and friction material |
| CN206221544U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | Brake lining and disk brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |