CN204610642U - A kind of high-speed track passenger car powder metallurgy brake pad - Google Patents
A kind of high-speed track passenger car powder metallurgy brake pad Download PDFInfo
- Publication number
- CN204610642U CN204610642U CN201520311923.9U CN201520311923U CN204610642U CN 204610642 U CN204610642 U CN 204610642U CN 201520311923 U CN201520311923 U CN 201520311923U CN 204610642 U CN204610642 U CN 204610642U
- Authority
- CN
- China
- Prior art keywords
- brake pad
- powder metallurgy
- metal backing
- backing
- passenger car
- 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.)
- Expired - Fee Related
Links
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000000470 constituent Substances 0.000 claims abstract description 5
- 239000000314 lubricant Substances 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of high-speed track passenger car powder metallurgy brake pad, described powder metallurgy brake pad comprises steel backing, brake pad, triangle holder and butterfly jump ring, described brake pad is made up of metal backing and friction piece, described metal backing is made up of centrepin and metal backing plane, and described friction piece is made up of matrix constituent element, lubricant component and friction component; Described triangle holder is located by locating stud, and carries out sphere laminating with the convex spherical on described brake pad and the concave spherical surface on metal backing respectively; Described brake pad is designed to regular hexagon or partially hexagonal shape, and engages each other and be arranged in described triangle holder, is directly fixed with described steel backing by the centrepin on described metal backing and described butterfly jump ring.This powder metallurgy brake pad can effectively regulate brake lining deformation, and abrasion is even, and braking is stable, long service life, and the feature of convenient disassembly when there is replacing.
Description
Technical field
The utility model relates to railway equipment technical field, particularly relates to a kind of high-speed track passenger car powder metallurgy brake pad.
Background technique
At present, railway is the important infrastructure of country, the main artery of national economy and the popular traffic tool.In order to meet Chinese national economy construction demand, the actual operation EMU of China, in order to ensure EMU safe operation, must possess stable and good braking system.Brake pad is critical component and the easily damaged parts of high-speed train braking system.Along with improving constantly of EMU motion speed, the brake load of train also significantly increases, during braking, the huge kinetic energy produced during train operation will be converted into heat energy by friction by brake lining, so require the abrasion that brake lining has higher mechanical strength, good heat resistance and thermal conductivity, stable frictional behaviour, lower wearing and tearing and reduces wheel.
In order to the supporting technology production domesticization making EMU relevant, recent year scientific research institutions expand brake pad and study widely.In the prior art, powder metallurgy brake pad is primarily of steel backing, brake pad, triangle holder and butterfly jump ring four part composition, but because existing brake lining structural design is unreasonable, under alternating stress and high heat load effect, easily cause brake lining because of uneven generation bending deflection of being heated in causing train to be braked at a high speed, the each friction area of brake pad absorbs energy difference and causes eccentric wear, loosely cause bonding with friction piece of metal backing comes off, brake lining rotates and causes abrasive dust to assemble, the generation of these phenomenons can affect retardation efficiency, reduce brake lining working life, cause handling difficulty simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of high-speed track passenger car powder metallurgy brake pad, can effectively regulate brake lining deformation, and abrasion is even, and braking is stable, long service life, and the feature of convenient disassembly when there is replacing.
A kind of high-speed track passenger car powder metallurgy brake pad, described powder metallurgy brake pad comprises steel backing, brake pad, triangle holder and butterfly jump ring, wherein:
Described brake pad is made up of metal backing and friction piece, and described metal backing is made up of centrepin and metal backing plane, and described friction piece is made up of matrix constituent element, lubricant component and friction component;
Described triangle holder is located by locating stud, and carries out sphere laminating with the convex spherical on described brake pad and the concave spherical surface on metal backing respectively;
Described brake pad is designed to regular hexagon or partially hexagonal shape, and engages each other and be arranged in described triangle holder, is directly fixed with described steel backing by the centrepin on described metal backing and described butterfly jump ring.
The technological scheme provided as can be seen from above-mentioned the utility model, this powder metallurgy brake pad can effectively regulate brake lining deformation, and abrasion is even, and braking is stable, long service life, and the feature of convenient disassembly when there is replacing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 provides by the utility model embodiment the Facad structure schematic diagram of high-speed track passenger car powder metallurgy brake pad;
Fig. 2 provides by the utility model embodiment the structure schematic diagram of high-speed track passenger car powder metallurgy brake pad;
Fig. 3 provides by the utility model embodiment the structural representation of brake pad;
Fig. 4 provides by the utility model embodiment the structural representation of metal backing;
Fig. 5 provides by the utility model embodiment the structural representation of centrepin;
Fig. 6 provides by the utility model embodiment the structural representation of triangle holder;
Fig. 7 provides by the utility model embodiment the structural representation of butterfly jump ring;
Fig. 8 provides by the utility model embodiment the structural representation of steel backing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail, be illustrated in figure 1 the utility model embodiment the Facad structure schematic diagram of high-speed track passenger car powder metallurgy brake pad is provided; Be illustrated in figure 2 structure schematic diagram, in conjunction with Fig. 1 and 2, this powder metallurgy brake pad includes steel backing 1-1, brake pad 1-2, triangle holder 1-3 and butterfly jump ring 2-1, wherein:
Described brake pad 1-2 is made up of metal backing and friction piece, and described metal backing is made up of centrepin and metal backing plane, and described friction piece is made up of matrix constituent element, lubricant component and friction component; Wherein, described friction piece is specifically formed by mixing, shaping, the high temperature sintering of cold forming by matrix constituent element, lubricant component, friction component; Described metal backing is by centrepin and metal backing plane interference fit, closely nested by punching press;
Described triangle holder 1-3 is located by locating stud, and carries out sphere laminating with the convex spherical on described brake pad 1-2 and the concave spherical surface on metal backing respectively;
Described brake pad 1-2 is designed to regular hexagon or partially hexagonal shape, and engages each other and be arranged on described triangle holder 1-3, is directly fixed with described steel backing 1-1 by the centrepin on described metal backing and described butterfly jump ring 2-1.
Below in conjunction with accompanying drawing, the critical piece in this powder metallurgy brake pad is described, be illustrated in figure 3 the utility model embodiment the structural representation of brake pad is provided; Be illustrated in figure 4 the structural representation of metal backing; Be illustrated in figure 5 the structural representation of centrepin; Be illustrated in figure 6 the structural representation of triangle holder; Be illustrated in figure 7 the structural representation of butterfly jump ring; Be illustrated in figure 8 the structural representation of steel backing, composition graphs 3-8:
First, metal backing Vertical direction is designed with hemisphere convex surface 3-1, and the concave surface 6-1 of the Vertical direction of triangle holder shown in this convex surface and Fig. 6 design fits, and the deformation caused brake lining in effective adjustable brake process, to ensure that brake lining rubbing surface and brake disc are fitted; And the planar section of described metal backing is provided with hollow out, tight with the protrusions match in described friction piece plane.Thus ensure that the metal backing of described brake pad and friction piece can not come off in high-speed friction braking process.
Triangle holder simultaneously is also designed with hemisphere convex surface 6-2 on the direction parallel with steel backing, the concave surface 8-1 that this convex surface and steel backing substantially horizontal design fits, the deformation that can effectively cause brake lining in adjustable brake process equally, there is minute angle difference in plane and the steel backing plane of triangle holder convex spherical homonymy described here, the deformation that this design can effectively cause brake lining in adjustable brake process equally, better controls each brake pad simultaneously and wears away identical in braking process.Be provided with step at the concave surface 6-1 of triangle holder simultaneously, ensure under retardation pressure, the rotation adjustment of brake pad on pallet flexibly.Be provided with locating pin 6-3 at the triangle holder back side, ensure that the rotation of brake pad during braking keeps several angle.
In addition, the friction piece center portion of brake pad is provided with Hexagon through hole, and its expansion that Yin Gaowen produces in braking process can be made to be eased, and the friction piece prevented is heaved, and ensure that the abrasion of friction piece are even.And the edge of friction piece is provided with smooth fillet, thus ensure that friction piece can not come off because of edge effect fragmentation in high-speed friction braking process.
This brake pad is distribution straggly on described steel backing, and reduce brake lining entirety because of the amount of deformation of expanded by heating in braking process, when being also convenient to brake, the abrasive dust of brake pad is discharged in time.Further, described brake pad unit radius friction area and friction radius square proportional in described steel backing plane, the braking energy that brake pad on guarantor unit's area bears is identical, ensure that the abrasion of the brake pad in unit area are identical, effectively can improve brake lining working life.
As shown in Figure 4, the metal backing of described brake pad is provided with some through hole 4-1, the boss be provided with when suppressing with friction piece engages 3-2, effectively enhances the adhesion strength of metal backing and friction piece, thus can not cause coming off because of braking friction when ensureing that described powder metallurgy brake pad is braked.
In addition, as shown in Figure 5, be provided with boss 5-1 in the running shaft direction of centrepin, be embedded in friction piece, effectively prevent the obscission that friction piece occurs under the effect of the shearing force of braking generation at a high speed.Brake pad can with centrepin position for rotating center carries out small rotation above described triangle holder, the position of described centrepin, can ensure in braking process, the moment of torsion relative to rotating center that unit area friction produces is cancelled out each other with the moment of torsion relative to disc centres.
As shown in Figure 7, the inner circle 7-1 of butterfly jump ring, nested closely with the groove 5-2 of centrepin, ensure that brake pad, triangle holder, steel backing three are fixed together by centrepin and butterfly jump ring, be convenient to brake pad wear away limit after change.
As shown in Figure 8, steel backing is bilateral symmetry, and intermediate portion is thinner, and has two place's hollow outs.
It should be noted that the brake pad shape in the utility model only relate to hexagonal structure, allly apply design philosophy of the present utility model and only change other project organization of brake pad shape all in the protection authority of this patent.
In sum, brake lining of the present utility model can effectively regulate brake lining deformation, reduces braking force loss of causing because overcoming distortion, and the feature of convenient disassembly when there is replacing, and this hexagonal brake pad intensity is high, can effectively suppress to wear away block phenomenon in use.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (8)
1. a high-speed track passenger car powder metallurgy brake pad, is characterized in that, described powder metallurgy brake pad comprises steel backing, brake pad, triangle holder and butterfly jump ring, wherein:
Described brake pad is made up of metal backing and friction piece, and described metal backing is made up of centrepin and metal backing plane, and described friction piece is made up of matrix constituent element, lubricant component and friction component;
Described triangle holder is located by locating stud, and carries out sphere laminating with the convex spherical on described brake pad and the concave spherical surface on metal backing respectively;
Described brake pad is designed to regular hexagon or partially hexagonal shape, and engages each other and be arranged in described triangle holder, is directly fixed with described steel backing by the centrepin on described metal backing and described butterfly jump ring.
2. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
The Vertical direction of described metal backing is designed with hemisphere convex surface, and the concave spherical surface that this convex surface and described triangle holder Vertical direction design is fitted;
And the planar section of described metal backing is provided with hollow out, tight with the protrusions match in described friction piece plane.
3. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
Described triangle holder is designed with hemisphere convex surface on the direction parallel with described steel backing, and the concave spherical surface that this convex surface and described steel backing substantially horizontal design is fitted.
4. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
The hexagonal shape of described brake pad is arranged between sheet and sheet and is provided with gap;
And the distribution straggly on described steel backing of described brake pad.
5. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
The edge of described friction piece is provided with smooth fillet;
And the center portion of described friction piece is provided with Hexagon through hole.
6. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
Centrepin on described metal backing is provided with projection in running shaft direction, is embedded in described friction piece.
7. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
The metal backing of described brake pad is provided with some through holes, and described friction piece is engaged by through hole with described metal backing, and closely bonds through high temperature.
8. high-speed track passenger car powder metallurgy brake pad according to claim 1, is characterized in that,
Described steel backing is bilateral symmetry, and intermediate portion is thinner, and has two place's hollow outs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311923.9U CN204610642U (en) | 2015-05-14 | 2015-05-14 | A kind of high-speed track passenger car powder metallurgy brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311923.9U CN204610642U (en) | 2015-05-14 | 2015-05-14 | A kind of high-speed track passenger car powder metallurgy brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610642U true CN204610642U (en) | 2015-09-02 |
Family
ID=53963212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520311923.9U Expired - Fee Related CN204610642U (en) | 2015-05-14 | 2015-05-14 | A kind of high-speed track passenger car powder metallurgy brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610642U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588132A (en) * | 2017-08-25 | 2018-01-16 | 山东百德瑞轨道交通科技有限公司 | A kind of bullet train powder metallurgy brake pad |
| CN108488279A (en) * | 2018-05-22 | 2018-09-04 | 沈阳精合数控科技开发有限公司 | A kind of non-dove-tail form powder metallurgy brake pad |
| CN109307027A (en) * | 2018-10-10 | 2019-02-05 | 北京瑞斯福高新科技股份有限公司 | A kind of train brake pad |
| CN109469695A (en) * | 2018-11-15 | 2019-03-15 | 北京科技大学 | A kind of high bonding strength high-speed rail brake block |
| CN110273954A (en) * | 2019-07-17 | 2019-09-24 | 中铁隆昌铁路器材有限公司 | A kind of motor train unit train powder metallurgy brake pad |
| CN111059182A (en) * | 2019-12-27 | 2020-04-24 | 北京北摩高科摩擦材料股份有限公司 | Improved brake pad for high-speed train |
| CN111795089A (en) * | 2020-07-30 | 2020-10-20 | 北京天仁道和新材料有限公司 | Triangular support and powder metallurgy brake pad with same |
-
2015
- 2015-05-14 CN CN201520311923.9U patent/CN204610642U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588132A (en) * | 2017-08-25 | 2018-01-16 | 山东百德瑞轨道交通科技有限公司 | A kind of bullet train powder metallurgy brake pad |
| CN108488279A (en) * | 2018-05-22 | 2018-09-04 | 沈阳精合数控科技开发有限公司 | A kind of non-dove-tail form powder metallurgy brake pad |
| CN109307027A (en) * | 2018-10-10 | 2019-02-05 | 北京瑞斯福高新科技股份有限公司 | A kind of train brake pad |
| CN109469695A (en) * | 2018-11-15 | 2019-03-15 | 北京科技大学 | A kind of high bonding strength high-speed rail brake block |
| CN109469695B (en) * | 2018-11-15 | 2024-06-04 | 北京科技大学 | High-connection-strength high-speed rail brake block |
| CN110273954A (en) * | 2019-07-17 | 2019-09-24 | 中铁隆昌铁路器材有限公司 | A kind of motor train unit train powder metallurgy brake pad |
| CN111059182A (en) * | 2019-12-27 | 2020-04-24 | 北京北摩高科摩擦材料股份有限公司 | Improved brake pad for high-speed train |
| CN111795089A (en) * | 2020-07-30 | 2020-10-20 | 北京天仁道和新材料有限公司 | Triangular support and powder metallurgy brake pad with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204610642U (en) | A kind of high-speed track passenger car powder metallurgy brake pad | |
| CN204226509U (en) | A kind of Novel powder metallurgy brake lining | |
| CN101975234B (en) | Train brake lining with adjuster | |
| CN201836269U (en) | Train brake lining with adjuster | |
| CN111396474B (en) | High-speed train brake pad with optimized friction particle combination and installation mode | |
| CN102261409A (en) | Brake pad for high-speed train braking system | |
| CN203202078U (en) | Novel dovetail-structured synthetic brake pad | |
| CN103470665A (en) | Powder metallurgy brake lining for CRH5 (China railway high-speed) motor train unit | |
| CN104912968A (en) | Disc brake pad for railway vehicle | |
| CN204784324U (en) | Disc brake brake lining for rail vehicle | |
| CN203796812U (en) | Brake pad | |
| CN110296167A (en) | A kind of high-speed EMUs powder metallurgy brake pad of spherical triangle shape | |
| CN201991974U (en) | Spherical centering isobaric floating brake lining for rapid trains | |
| CN204784328U (en) | Disc brake brake lining for rail vehicle | |
| CN108425975B (en) | Powder metallurgy brake pad for medium-low speed motor train unit and installation method thereof | |
| CN203809561U (en) | Brake device for motor vehicles | |
| CN202790261U (en) | Split type brake pad for train | |
| CN212272884U (en) | Powder metallurgy brake pad for high-cold high-temperature motor train unit | |
| CN210440501U (en) | Back plate of brake pad of high-speed train | |
| CN206145033U (en) | High speed train brake pad | |
| CN204458930U (en) | Automobile brake drum | |
| CN205423624U (en) | Rub composite brake shoe 's tile back of body structure of height | |
| CN204921783U (en) | Unsteady arresting gear of detachable second grade for high speed train | |
| CN206347055U (en) | Friction piece and automobile brake sheet | |
| CN209524022U (en) | Dovetail steel back integral type powder metallurgy rivets brake lining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |