CN207935332U - A kind of elastic floating brake lining - Google Patents
A kind of elastic floating brake lining Download PDFInfo
- Publication number
- CN207935332U CN207935332U CN201721777213.0U CN201721777213U CN207935332U CN 207935332 U CN207935332 U CN 207935332U CN 201721777213 U CN201721777213 U CN 201721777213U CN 207935332 U CN207935332 U CN 207935332U
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- China
- Prior art keywords
- friction
- brake lining
- chassis
- supporter
- elastic floating
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- 238000007667 floating Methods 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 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
- 238000005516 engineering process Methods 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
Abstract
A kind of elastic floating brake lining, including mounting plate and several brake pads, brake pad 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 the dynamic retainer ring coordinated in supporter lower part；The friction piece is positive six sides ladder column, 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, channel of chip removal staggeredly 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, often there are the fixed block for being used to place restrictions on its rotational angle on a mounting board, height of the dog height without departing from friction chassis in the side on friction chassis.The utility model 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 utility model is related to elastic floating brake linings.
Background technology
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 brake pad 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 brake pad and brake pad, and brake lining is by uneven
Temperature and thermal stress ringing, can cause brake pad local location fatigue damage occur, cause brake lining brake pad 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, brake pad it
Between gather excessive abrasive dust, be easy to brake disc surface generate scuffing, damascene is will produce 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 brake pads are not on brake lining during utilization
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.
Brake pad cannot be adjusted voluntarily for fixed brake lining, high speed brake when frictional behaviour it is poor, brake pad 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 brake pads on backboard, the elastic support sheet and clamp spring that are set between brake pad and backboard, the elasticity of this brake lining
Element can realize the elastic floating of brake pad, improve the frictional behaviour of brake lining, and brake pad is regular hexagon shape, passes through friction
Contact prevents brake pad from rotating between each side of block, and gap is small between brake pad, 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.
Invention content
It can prevent brake lining eccentric wear, advantageous chip removal and heat dissipation the purpose of this utility model is that proposition is a kind of and brake lining can be estimated
The elastic floating brake lining of abrasion.
In order to achieve the above objectives, the utility model adopts the following technical scheme that：This elastic floating brake lining include mounting plate and
Several brake pads on a mounting board are set, the metallurgical powder friction piece that brake pad has supporter and is fixed on supporter,
The 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 dish
Spring bearing, which is realized, to float up and down, and the lower part of mounting hole is equipped with the dynamic retainer ring coordinated in supporter lower part；The friction piece is positive six
Side ladder column 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
Compare face as the degree of wear, there is channel of chip removal between friction piece, channel of chip removal staggeredly forms chip removal network, mounting plate by
Left plate and right panel are combined into, and left plate and right panel splice along friction block edge at broken line, and the side on the chassis that often rubs is fixed on peace
Block in loading board for placing restrictions on 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, the wherein top in shank hole is ball-and-socket shape, and above-mentioned friction piece is fixed on plate body, billiard table body
The first 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 utility model has following good effect：1）The friction piece of the utility model is hexagon ladder column, six angles
For arc chord angle, is conducive to metallurgical powder compacting in friction piece pressing process and uniformly, effectively improves the performance of brake pad, it is possible to reduce
Stress concentration of the brake pad in braking process.2）Friction chassis surrounding stretches out in friction main body and forms a circle edge, a circle
For estimating friction piece wear intensity, the abrasion situation by observing each brake pad can be with the abrasion of accurate judgement brake lining at edge
Situation.3）There is channel of chip removal between brake pad, form chip removal network, be conducive to the discharge of abrasive dust and heat in brake lining braking process
Amount distribute, avoid in braking process because brake lining temperature is excessively high, abrasive dust accumulation due to caused by security risk.4）Brake pad can be one
Determine rotation and a degree of floating in angle, realizes that brake pad omnibearing angel is adjusted, realize in brake lining braking process and make
Moving plate surface 100% contact always, to solve the problems, such as brake lining eccentric wear.5）The left plate and right panel of mounting plate are along the edge of brake pad
Splice at broken line, in asymmetric shape, can to the greatest extent increase on the mounting plate of limited areal friction material area and
Volume improves the service life of brake lining to obtain the abrasion loss of bigger.
Description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the reverse view of Fig. 1.
Fig. 3 is the A-A sectional views of Fig. 1.
Fig. 4 is the B-B sectional views of Fig. 1.
Fig. 5 is the mounting plate view in Fig. 3.
Fig. 6 is the view of brake pad.
Fig. 7 is the vertical view of Fig. 6.
Specific implementation mode
Embodiment 1
See Fig. 1 to Fig. 7, the present embodiment includes mounting plate 1 and 17 brake pads 2 being arranged on mounting plate 1, brake pad 2
It is positive six side ladder with supporter 2-2 and the metallurgical powder friction piece 2-1, the friction piece 2-1 that are fixed on supporter 2-2
Column, friction piece 2-1 are made of friction main body 2-1-1 and friction chassis 2-1-2, and friction chassis 2-1-2 surroundings stretch out in friction master
Body 2-1-1 forms circle an edge 2-1-a, edge 2-1-a and compares face, friction main body 2-1-1 and friction chassis as the degree of wear
The shape of 2-1-2 is similar, and cross section is hexagon, and six angles are arc chord angle.The height H of the friction chassis 2-1-2 is 2
~5mm.In concrete application, height H requires to set according to user.Rub main body 2-1-1 arc chord angle size R1 with to edge lengths
The ratio of L1 is 0.18~0.22, the arc chord angle size R2 for the chassis 2-1-2 that rubs be 0.18~0.22 to the ratio of edge lengths L2,
It is uniform that this ratio is conducive to metallurgical powder compacting in friction piece pressing process.There is channel of chip removal P between friction piece 2-1, hand over
Wrong 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 chip removal
The width of channel P is 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 structures
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 brake pad 2 at folding
Line G splicings, 1 back side of mounting plate is equipped with dovetail sliding rail 1-4.The side of each brake pad 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 larger space of spacing.By
Space size between the chassis 2-1-2 that rubs and shape difference, so the size and shape of block is not unified, for place
It can take and be combined into one in the block of two larger brake pads of space, it is necessary to assure the gear of each friction chassis sides 2-1-2
It is 0.45~0.55 mm to have running clearance J, running clearance J between block and the side sides friction chassis 2-1-2, makes brake pad
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
Brake pad 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 compositions, the wherein top of shank hole 1-a-2 are ball-and-socket shape, are equipped in the 1-a-1 of disc spring room
Disc spring 3, supporter 2-2 extend substantially downward to retainer ring room 1-a-3 across disc spring 3, and the first 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 by billiard table body 2-2-2 in disc spring 3, 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 ensureing brake lining elastic floating function while disc spring being avoided to overload, and extends 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 parts supporter 2-2, the pin of retainer ring 4 and supporter 2-2
The dynamic cooperations of body 2-2-3.
When in use, brake pad can rotate and a degree of floating, realization brake pad 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 wears 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）With setting in mounting plate（1）On several brake pads（2）, brake pad
（2）With supporter（2-2）Be fixed on supporter（2-2）On metallurgical powder friction piece（2-1）, the mounting plate（1）On
Equipped with mounting hole（1-a）, mounting hole（1-a）Top be equipped with disc spring（3）, supporter（2-2）Across disc spring（3）It extends downwardly,
Supporter（2-2）By disc spring（3）Bearing, which is realized, to float up and down, mounting hole（1-a）Lower part be equipped with dynamic cooperation in supporter（2-2）
The retainer ring of lower part（4）；It is characterized in that：The friction piece（2-1）For positive six sides ladder column, by friction main body（2-1-1）With rub
Wipe chassis（2-1-2）Composition, rub chassis（2-1-2）Surrounding stretches out in friction main body（2-1-1）Form a circle edge（2-1-
a）, edge（2-1-a）Compare face, friction piece as the degree of wear（2-1）Between have channel of chip removal（P）, chip removal staggeredly is logical
Road forms chip removal network, mounting plate（1）By left plate（1-1）And right panel（1-2）It is combined into, left plate（1-1）And right panel（1-2）Along friction
Block（2）Edge is at broken line（G）Splicing, often rub chassis（2-1-2）Side be fixed on mounting plate（1）On for placing restrictions on it
The block of rotational angle（1-3）, block（1-3）Height is without departing from friction chassis（2-1-2）Height.
2. elastic floating brake lining according to claim 1, it is characterised in that：The supporter（2-2）By sequentially connected
Plate body（2-2-1）, billiard table body（2-2-2）And shank（2-2-3）It constitutes, the mounting plate（1）Mounting hole（1-a）By disc spring room
（1-a-1）, shank hole（1-a-2）It is formed with retainer ring room, wherein shank hole（1-a-2）Top be ball-and-socket shape, above-mentioned friction piece
（2-1）It is fixed on plate body（2-2-1）On, billiard table body（2-2-2）The first half be in disc spring room（1-a-1）It is interior, billiard table body（2-2-
2）Lower half be in shank hole（1-a-2）Ball-and-socket shape position in.
3. elastic floating brake lining according to claim 2, it is characterised in that：The supporter（2-2）Plate body（2-2-1）
Bottom surface and mounting plate（1）Between have flying height（S）.
4. elastic floating brake lining according to claim 3, it is characterised in that：The flying height（S）For 0.3 ~ 1.0mm.
5. elastic floating brake lining according to claim 1, it is characterised in that：The friction piece（2-1）Six angles be circle
Arc angle.
6. elastic floating brake lining according to claim 5, it is characterised in that：The supporter（2-2）Plate body（2-2-1）
With friction chassis（2-1-2）Size and shape is identical.
7. elastic floating brake lining according to claim 6, it is characterised in that：The friction main body（2-1-1）Arc chord angle
Size 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
Ratio be 0.18~0.22.
8. elastic floating brake lining according to claim 1, it is characterised in that：The channel of chip removal（P）Width be at least
3mm。
9. elastic floating brake lining according to claim 1, it is characterised in that：The friction chassis（2-1-2）Height（H）
For 2~5mm.
10. elastic floating brake lining according to claim 1, it is characterised in that：Each friction chassis（2-1-2）The gear of side
Block and friction chassis（2-1-2）The running clearance of the side side（J）For 0.45~0.55 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777213.0U CN207935332U (en) | 2017-12-18 | 2017-12-18 | A kind of elastic floating brake lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777213.0U CN207935332U (en) | 2017-12-18 | 2017-12-18 | A kind of elastic floating brake lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935332U true CN207935332U (en) | 2018-10-02 |
Family
ID=63646244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721777213.0U Active CN207935332U (en) | 2017-12-18 | 2017-12-18 | A kind of elastic floating brake lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207935332U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322949A (en) * | 2018-10-10 | 2019-02-12 | 北京瑞斯福高新科技股份有限公司 | A kind of dovetail steel back integral type standard EMU powder metallurgy brake pad |
| CN109612557A (en) * | 2018-11-08 | 2019-04-12 | 江苏大学 | A kind of propeller centroid detection device |
| CN109931352A (en) * | 2017-12-18 | 2019-06-25 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic floating brake lining |
-
2017
- 2017-12-18 CN CN201721777213.0U patent/CN207935332U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931352A (en) * | 2017-12-18 | 2019-06-25 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic floating brake lining |
| CN109322949A (en) * | 2018-10-10 | 2019-02-12 | 北京瑞斯福高新科技股份有限公司 | A kind of dovetail steel back integral type standard EMU powder metallurgy brake pad |
| CN109612557A (en) * | 2018-11-08 | 2019-04-12 | 江苏大学 | A kind of propeller centroid detection device |
| CN109612557B (en) * | 2018-11-08 | 2021-01-15 | 江苏大学 | Propeller mass center detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 258 Wuyi Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213011 Patentee 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 Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
|
| CP03 | Change of name, title or address |