CN109931352A - Elastic floating brake lining - Google Patents
Elastic floating brake lining Download PDFInfo
- Publication number
- CN109931352A CN109931352A CN201711365010.5A CN201711365010A CN109931352A CN 109931352 A CN109931352 A CN 109931352A CN 201711365010 A CN201711365010 A CN 201711365010A CN 109931352 A CN109931352 A CN 109931352A
- Authority
- CN
- China
- Prior art keywords
- friction
- brake lining
- chassis
- supporter
- elastic floating
- 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
Links
- 239000000843 powder Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 239000000428 dust Substances 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
Abstract
A kind of elastic floating brake lining, including mounting plate and several friction blocks, friction block has supporter and friction piece, mounting plate is equipped with mounting hole, the top of mounting hole is equipped with disc spring, supporter is extended downwardly across disc spring, and supporter is realized by disc spring bearing to float up and down, and the lower part of mounting hole is equipped with dynamic cooperation in the retainer ring of supporter lower part；The friction piece is positive six side ladder columns, it is made of friction main body and friction chassis, friction chassis surrounding stretches out in friction main body and forms a circle edge, compare face as the degree of wear in edge, there is channel of chip removal between friction piece, staggered channel of chip removal forms chip removal network, support plate is combined by left plate and right panel, left plate and right panel splice along friction block edge at broken line, the side on every friction chassis has fixed on a mounting board for placing restrictions on the block of its rotational angle, height of the dog height without departing from friction chassis.The present invention can prevent brake lining eccentric wear, advantageous chip removal and heat dissipation and can estimate the elastic floating brake lining of brake lining abrasion.
Description
Technical field
The present invention relates to elastic floating brake linings.
Background technique
In train disk braking system, brake pad is one of critical component, and when braking passes through brake clamp and applies system
On power to brake pad, make the friction block and brake disc of brake pad, absorbs kinetic energy, make Train Stopping.It was braking
A large amount of frictional heats and abrasive dust are generated in journey, abrasive dust is easy in the gap for being accumulated in friction block and friction block, and brake lining is by uneven
Temperature and thermal stress ringing will cause friction block local location and fatigue damage occur, cause brake lining friction block it is cracked,
Phenomena such as scaling-off, chip off-falling, influence braking ability and brake lining service life.In winter during ice and snow weather train braking, friction block it
Between gather excessive abrasive dust, be easy to brake disc surface generate scuffing, damascene can be generated when serious, influences the longevity of brake disc
Life.Powder metallurgy brake pad on existing market can not directly visually inspect abrasion, mostly use and measure brake lining remaining wall using cubing
The method of degree judges brake lining abrasion to limit, and the method is cumbersome, since the abrasion of multiple friction blocks are not on brake lining during using
Unanimously, lead to not the abrasion of accurate measurements brake lining.
Currently, bullet train powder metallurgy brake pad structure mainly has stationary structure and floating structure at present.
Friction block cannot be adjusted voluntarily for fixed brake lining, high speed brake when frictional behaviour it is poor, friction block easily it is cracked,
Phenomena such as defect；Chinese patent document CN103133570A discloses a kind of composite floating type brake pad, including backboard, setting
In several friction blocks on backboard, the elastic support sheet and circlip that are set between friction block and backboard, the elasticity of this brake lining
Element can be realized the elastic floating of friction block, improve the frictional behaviour of brake lining, and friction block is positive hexagonal shape, pass through friction
Contact prevents friction block from rotating between each side of block, and gap is small between friction block, is unfavorable for the discharge of abrasive dust and frictional heat, causes to make
Brake lining temperature is excessively high during dynamic, and abrasive dust accumulation is excessive.
Summary of the invention
It is an object of the invention to propose it is a kind of can prevent brake lining eccentric wear, advantageous chip removal and heat dissipation and can estimate brake lining abrasion
Elastic floating brake lining.
In order to achieve the above objectives, the present invention adopts the following technical scheme that: this elastic floating brake lining includes mounting plate and setting
Several friction blocks on a mounting board, the metallurgical powder friction piece that friction block has supporter and is fixed on supporter are described
Mounting plate is equipped with mounting hole, and the top of mounting hole is equipped with disc spring, and supporter is extended downwardly across disc spring, and supporter is by disc spring branch
It holds realization to float up and down, the lower part of mounting hole is equipped with dynamic cooperation in the retainer ring of supporter lower part；The friction piece is positive six side ranks
Cleat stanchion is made of friction main body and friction chassis, and friction chassis surrounding stretches out in friction main body and forms a circle edge, edge conduct
The degree of wear compares face, has channel of chip removal between friction piece, and staggered channel of chip removal forms chip removal network, and support plate is by left plate
It is combined into right panel, left plate and right panel splice along friction block edge at broken line, and the side on every friction chassis is fixed on mounting plate
On for placing restrictions on the block of its rotational angle, height of the dog height without departing from friction chassis.
The supporter is made of sequentially connected plate body, billiard table body and shank, and the mounting hole of the mounting plate is by disc spring
Room, shank hole and retainer ring room composition, wherein the top in shank hole is ball-and-socket shape, and above-mentioned friction piece is fixed on plate body, billiard table body
The upper half be in disc spring room, the lower half of billiard table body is in the ball-and-socket shape position in shank hole.
There is flying height between the plate body bottom surface of the supporter and mounting plate.
The flying height is 0.3 ~ 1.0mm.
Six angles of the friction piece are arc chord angle.
The plate body of the supporter is identical as friction chassis size and shape.
The arc chord angle size R1 of the friction main body be 0.18~0.22 to the ratio of edge lengths L1；The circular arc on friction chassis
Angle size R2 and be 0.18~0.22 to the ratio of edge lengths L2.
The width of the channel of chip removal is at least 3mm.
The height on the friction chassis is 2~5mm.
The block of each friction chassis side and the running clearance of the friction chassis side side are 0.45~0.55 mm.
The present invention has following good effect: 1) friction piece of the invention is hexagon ladder column, and six angles are arc chord angle,
Be conducive to metallurgical powder compacting in friction piece pressing process and uniformly, effectively improve the performance of friction block, it is possible to reduce friction block exists
Stress in braking process is concentrated.2) friction chassis surrounding stretches out in friction main body and forms a circle edge, which is used for
Friction piece wear intensity is estimated, the abrasion situation by observing each friction block can be with the abrasion situation of accurate judgement brake lining.3)
There is channel of chip removal between friction block, form chip removal network, be conducive to dissipating for the discharge of abrasive dust and heat in brake lining braking process
Hair, avoid in braking process because brake lining temperature is excessively high, abrasive dust accumulation due to caused by security risk.4) friction block can be in certain angle
Interior rotation and a degree of floating, realize that friction block omnibearing angel is adjusted, and realize in brake lining braking process and brake dish cart
Face 100% contact always, to solve the problems, such as brake lining eccentric wear.5) left plate of support plate and right panel are along the edge of friction block at broken line
Splicing can increase to the greatest extent the area and volume of friction material in asymmetric shape in the support plate of limited areal, from
And bigger abrasion loss is obtained, improve the service life of brake lining.
Detailed description of the invention
Fig. 1 is front view of the invention.
Fig. 2 is the reverse view of Fig. 1.
Fig. 3 is the A-A cross-sectional view of Fig. 1.
Fig. 4 is the B-B cross-sectional view of Fig. 1.
Fig. 5 is the mounting plate view in Fig. 3.
Fig. 6 is the view of friction block.
Fig. 7 is the top view of Fig. 6.
Specific embodiment
Embodiment 1
See Fig. 1 to Fig. 7, the present embodiment includes mounting plate 1 and 17 friction blocks 2 being arranged on mounting plate 1, and friction block 2 has
Supporter 2-2 and the metallurgical powder friction piece 2-1 being fixed on supporter 2-2, the friction piece 2-1 are positive six side ladder columns,
Friction piece 2-1 is made of friction main body 2-1-1 and friction chassis 2-1-2, and friction chassis 2-1-2 surrounding stretches out in friction main body 2-
1-1 forms circle an edge 2-1-a, edge 2-1-a as the degree of wear and compares face, friction main body 2-1-1 and friction chassis 2-1-2
Shape it is similar, cross section is hexagon, and six angles are arc chord angle.It is described friction chassis 2-1-2 height H be 2~
5mm.In concrete application, height H requires to set according to user.Rub main body 2-1 arc chord angle size R1 with to edge lengths L1's
Than being 0.18~0.22, arc chord angle size R2 and the ratio to edge lengths L2 for the chassis 2-1-2 that rubs are 0.18~0.22, this
It is uniform that ratio is conducive to metallurgical powder compacting in friction piece pressing process.There is channel of chip removal P between friction piece 2-1, it is staggered
Channel of chip removal forms chip removal network, is conducive to distributing for the discharge of abrasive dust and heat in brake lining braking process.The channel of chip removal P
Width be at least 3mm, advantageous chip removal.
The supporter 2-2 is by sequentially connected plate body 2-2-1, billiard table body 2-2-2 from top to bottom and shank 2-2-3 structure
At above-mentioned friction piece 2-1 is fixed on plate body 2-2-1.
The mounting plate 1 is combined by left plate 1-1 and right panel 1-2, and left plate 1-1 and right panel 1-2 are along the edge of friction block 2 at folding
Line G splicing, 1 back side of mounting plate are equipped with dovetail sliding rail 1-4.The side of each friction block 2 is fixed on mounting plate 1 for limiting
The only block 1-3 of its rotational angle, height of the block 1-3 height without departing from friction chassis 2-1-2.Each friction chassis 2-1-2
Six sides and other adjacent friction chassis 2-1-2 spacing it is inconsistent, take block 1-3 to be arranged in the biggish space of spacing.By
Space size and shape between friction chassis 2-1-2 is different, thus the size and shape of block be not it is unified, for locating
It can take and be combined into one in the block of biggish two friction block in space, it is necessary to assure the gear of each friction side chassis 2-1-2
Having running clearance J, running clearance J between block and friction side side chassis 2-1-2 is 0.45~0.55 mm, makes friction block
There can be small size rotation.
The left plate 1-1 and right panel 1-2 of the mounting plate 1 of this elastic floating brake lining are asymmetric, but are distributed in mounting plate 1
Friction block is symmetrically arranged.
The mounting plate 1 is equipped with mounting hole 1-a, and mounting hole 1-a is by the disc spring room 1-a-1 on top, the shank hole at middle part
The 1-a-2 and retainer ring room 1-a-3 of lower part composition, wherein the top of shank hole 1-a-2 is ball-and-socket shape, is equipped in the 1-a-1 of disc spring room
Disc spring 3, supporter 2-2 pass through disc spring 3 and extend substantially downward to retainer ring room 1-a-3, and the upper half of the billiard table body 2-2-2 of supporter is in dish
In the 1-a-1 of spring room, supporter is sitting in disc spring 3 by billiard table body 2-2-2, is supported by disc spring 3, the lower half of billiard table body 2-2-2
In ball-and-socket shape position in shank hole 1-a-2.There is flying height between the bottom surface and mounting plate 1 of supporter plate body 2-2-1
S, flying height S are 0.3 ~ 1.0mm, and flying height S is guaranteeing brake lining elastic floating function while disc spring being avoided to overload, and extend dish
The service life of spring.The lower part of mounting hole 1-a is equipped with the retainer ring 4 for being stuck in the lower part supporter 2-2, the pin of retainer ring 4 and supporter 2-2
The dynamic cooperation of body 2-2-3.
When in use, friction block can rotate and a degree of floating, realization friction block full azimuth within a certain angle
Degree is adjusted, and realizes in brake lining braking process and brake disc surface 100% contacts always, to solve the problems, such as brake lining eccentric wear.Pass through mesh
It surveys, the main body 2-1-1 that will rub makes comparisons with the edge 2-1-a for the chassis 2-1-2 that rubs, and to judge to rub, whether main body is worn away
Limit, that is, judge whether brake lining wears away limit, judge intuitive and convenient.
Claims (10)
1. a kind of elastic floating brake lining, including mounting plate (1) and several friction blocks (2) being arranged on mounting plate (1), friction block
(2) with supporter (2-2) and the metallurgical powder friction piece (2-1) that is fixed on supporter (2-2), on the mounting plate (1)
Equipped with mounting hole (1-a), the top of mounting hole (1-a) is equipped with disc spring (3), and supporter (2-2) passes through disc spring (3) and extends downwardly,
Supporter (2-2) is realized by disc spring (4) bearing to float up and down, and the lower part of mounting hole (1-a) is equipped with dynamic cooperation at supporter (2-2)
The retainer ring (4) of lower part；The six side ladder columns it is characterized by: the friction piece (2-1) is positive, by friction main body (2-1-1) and rub
Chassis (2-1-2) composition is wiped, friction chassis (2-1-2) surrounding stretches out in friction main body (2-1-1) and forms a circle edge (2-1-
A), edge (2-1-a) compares face as the degree of wear, has channel of chip removal (P) between friction piece (2-1), staggered chip removal is logical
Road forms chip removal network, and support plate (1) is combined by left plate (1-1) and right panel (1-2), and left plate (1-1) and right panel (1-2) are along friction
Block (2) edge splices at broken line (G), and the side of every friction chassis (2-1-2) is fixed on mounting plate (1) for placing restrictions on it
The block (1-3) of rotational angle, height of the dog height (1-3) without departing from friction chassis (2-1-2).
2. elastic floating brake lining according to claim 1, it is characterised in that: the supporter (2-2) is by sequentially connected
Plate body (2-2-1), billiard table body (2-2-2) and shank (2-2-3) are constituted, and the mounting hole (1-a) of the mounting plate (1) is by disc spring room
(1-a-1), shank hole (1-a-2) and retainer ring room composition, wherein the top of shank hole (1-a-2) is ball-and-socket shape, above-mentioned friction piece
(2-1) is fixed on plate body (2-2-1), and the upper half of billiard table body (2-2-2) is in disc spring room (1-a-1), billiard table body (2-2-
2) lower half is in the ball-and-socket shape position in shank hole (1-a-2).
3. elastic floating brake lining according to claim 2, it is characterised in that: the plate body (2-2-1) of the supporter (2-2)
There is flying height (S) between bottom surface and mounting plate (1).
4. elastic floating brake lining according to claim 3, it is characterised in that: the flying height (S) is 0.3 ~ 1.0mm.
5. elastic floating brake lining according to claim 1, it is characterised in that: six angles of the friction piece (2-1) are circle
Arc angle.
6. elastic floating brake lining according to claim 5, it is characterised in that: the plate body (2-2-1) of the supporter (2-2)
It is identical as friction chassis (2-1-2) size and shape.
7. elastic floating brake lining according to claim 6, it is characterised in that: the arc chord angle of friction main body (2-1) is big
Small R1 and be 0.18~0.22 to the ratio of edge lengths L1；Rub chassis (2-1-2) arc chord angle size R2 with to edge lengths L2's
Than being 0.18~0.22.
8. elastic floating brake lining according to claim 1, it is characterised in that: the width of the channel of chip removal (P) is at least
3mm。
9. elastic floating brake lining according to claim 1, it is characterised in that: the height (H) of friction chassis (2-1-2)
For 2~5mm.
10. elastic floating brake lining according to claim 1, it is characterised in that: the gear of each friction side chassis (2-1-2)
Block and the running clearance (J) of friction side side chassis (2-1-2) are 0.45~0.55 mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365010.5A CN109931352A (en) | 2017-12-18 | 2017-12-18 | Elastic floating brake lining |
| PCT/CN2018/106506 WO2019119905A1 (en) | 2017-12-18 | 2018-09-19 | Elastic floating brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365010.5A CN109931352A (en) | 2017-12-18 | 2017-12-18 | Elastic floating brake lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109931352A true CN109931352A (en) | 2019-06-25 |
Family
ID=66982518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711365010.5A Pending CN109931352A (en) | 2017-12-18 | 2017-12-18 | Elastic floating brake lining |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109931352A (en) |
| WO (1) | WO2019119905A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020115398A1 (en) | 2020-06-10 | 2021-12-16 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Brake lining for a disc brake of a vehicle and disc brake |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5409086A (en) * | 1993-03-12 | 1995-04-25 | Le Carbone-Lorraine | Fitting brake lining with studs |
| WO2002073059A1 (en) * | 2001-03-13 | 2002-09-19 | Federal-Mogul Friction Products Limited | Friction pad |
| KR100784504B1 (en) * | 2006-08-28 | 2007-12-11 | 주식회사 다윈프릭션 | Friction pad for brake system and method for manufacturing the same |
| KR20080042615A (en) * | 2006-11-10 | 2008-05-15 | 주식회사 다윈프릭션 | Low noise friction pad for brake system |
| CN102927170A (en) * | 2012-06-05 | 2013-02-13 | 北京天宜上佳新材料有限公司 | Novel brake pad with dovetailing steel back structure and floatable friction blocks |
| CN202790228U (en) * | 2012-06-06 | 2013-03-13 | 北京天宜上佳新材料有限公司 | Braking pad of friction block floatable dovetailing steel back structure |
| CN104246276A (en) * | 2012-04-16 | 2014-12-24 | 曙制动器工业株式会社 | Friction pad assembly for disk brake |
| CN104455105A (en) * | 2014-12-17 | 2015-03-25 | 北京天宜上佳新材料有限公司 | Floating type brake pad |
| CN105952828A (en) * | 2016-06-30 | 2016-09-21 | 北京北摩高科摩擦材料有限责任公司 | Elastic adjustment type brake pad used for train |
| CN106763330A (en) * | 2016-12-26 | 2017-05-31 | 常州中车铁马科技实业有限公司 | Train brake plate |
| CN206206449U (en) * | 2016-08-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of brake block for reducing brake noise |
| CN206539626U (en) * | 2016-12-26 | 2017-10-03 | 常州中车铁马科技实业有限公司 | A kind of train brake plate |
| CN207935332U (en) * | 2017-12-18 | 2018-10-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of elastic floating brake lining |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133579B (en) * | 2013-02-06 | 2016-05-25 | 北京天宜上佳新材料有限公司 | The floating type brake pad of sleety weather |
| CN103133570B (en) * | 2013-02-06 | 2016-01-13 | 北京天宜上佳新材料有限公司 | Composite floating type brake pad |
| EP3253986B1 (en) * | 2015-02-07 | 2021-05-05 | Gienanth GmbH | Support plate for a brake lining and brake equipped with such a support plate together with friction linings |
-
2017
- 2017-12-18 CN CN201711365010.5A patent/CN109931352A/en active Pending
-
2018
- 2018-09-19 WO PCT/CN2018/106506 patent/WO2019119905A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5409086A (en) * | 1993-03-12 | 1995-04-25 | Le Carbone-Lorraine | Fitting brake lining with studs |
| WO2002073059A1 (en) * | 2001-03-13 | 2002-09-19 | Federal-Mogul Friction Products Limited | Friction pad |
| KR100784504B1 (en) * | 2006-08-28 | 2007-12-11 | 주식회사 다윈프릭션 | Friction pad for brake system and method for manufacturing the same |
| KR20080042615A (en) * | 2006-11-10 | 2008-05-15 | 주식회사 다윈프릭션 | Low noise friction pad for brake system |
| CN104246276A (en) * | 2012-04-16 | 2014-12-24 | 曙制动器工业株式会社 | Friction pad assembly for disk brake |
| CN102927170A (en) * | 2012-06-05 | 2013-02-13 | 北京天宜上佳新材料有限公司 | Novel brake pad with dovetailing steel back structure and floatable friction blocks |
| CN202790228U (en) * | 2012-06-06 | 2013-03-13 | 北京天宜上佳新材料有限公司 | Braking pad of friction block floatable dovetailing steel back structure |
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| CN105952828A (en) * | 2016-06-30 | 2016-09-21 | 北京北摩高科摩擦材料有限责任公司 | Elastic adjustment type brake pad used for train |
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| CN207935332U (en) * | 2017-12-18 | 2018-10-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of elastic floating brake lining |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019119905A1 (en) | 2019-06-27 |
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Guo jiahuodiqu after: Zhong Guo Address after: No. 258 Wuyi Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213011 Applicant after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: No. 258 Wuyi Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213011 Applicant before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Guo jiahuodiqu before: Zhong Guo |
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