CN104482079B - A kind of independent brake pad brake pad - Google Patents
A kind of independent brake pad brake pad Download PDFInfo
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- CN104482079B CN104482079B CN201410757154.5A CN201410757154A CN104482079B CN 104482079 B CN104482079 B CN 104482079B CN 201410757154 A CN201410757154 A CN 201410757154A CN 104482079 B CN104482079 B CN 104482079B
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Abstract
The invention discloses a kind of independent brake pad brake pad, belong to skidding technical field, including steel back, brake shoes, flexible member, fairlead, dovetails, little axle and bushing, some brake shoes are separately fixed on a face of steel back by little axle and bushing, another face of steel back connects dovetails, location-plate is provided between the brake shoes and steel back, brake shoes is combined by least three pieces brake pads, the flexible member and fairlead are located between location-plate and each piece of brake pad.The technical program is by being combined using independent brake pad, each brake pad adopts independent little axle and bushing to connect, the independent flexible member of correspondence and fairlead under brake pad, in assembling, can be according to brake pad each several part present position, the flexible member of different elastic force specifications is equipped with to brake pad, flexible configuration brake pad has been reached, the effect of friction tile height and brake stress is freely adjusted.
Description
Technical field
The invention belongs to skidding technical field, is related to a kind of reel formula skidding brake lining structure, more particularly, to
A kind of independent brake pad brake pad.
Background technology
Brake pad is brake unit and the important braking member in brakes, and the structure of brake pad is to affect
One of principal element of braking quality, particularly in axle disk braking system, due to brake disc radial direction linear velocity from inside to outside
Linear increase, causes rubbing surface friction horsepower inconsistent, causes the unstable and brake material of braking quality Internal and external cycle occur
Thickness difference is big, i.e. eccentric wear phenomenon, so brake disc is after long-term use, card often can be uneven.Therefore, skidding lock
The structure design of piece should intensity reliability, need again to overcome the problem of eccentric wear.
The brake shoes of brake pad mostly is triangle brake shoes elastic construction and polygon brake shoes adds spherical floating structure
Combine, the patent of invention of such as Application No. 201310047736.X discloses a kind of train floatation type brake pad.
General triangle brake shoes elastic construction is that the brake shoes direct weighting of cold moudling is sintered on skeleton, so
It is riveted on a face of polygon tabular steel back afterwards, has 1～3 flexible member between brake shoes and steel back, so as to realize
Elasticity and the braking procedure for floating.In brake process, as three rivet locations of fixed brake shoes are involved mutually or are adjusted
Height-limited, brake block braking is not steady enough, and eccentric wear phenomenon occurs, brakes especially under high speed conditions, the pressure of generation is big,
When temperature is high, above-mentioned condition becomes apparent from.
General polygon brake shoes adds the brake pad of spherical floating structural grouping, is first stopping cold moudling
Car block direct weighting is sintered on skeleton, is then assemblied on sphere support, is assemblied in polygon steel back finally by jump ring
On one face, the Standard is complicated, and required precision is high, and sphere and elastic circlip can play certain eccentric abrasion prevention effect, but
Eccentric wear phenomenon is still present, and brake shoes occurs from dropping situations on sphere support, brings larger potential safety hazard to driving.
Therefore, whether which kind of brake chip architecture, during skidding, due to brake area friction horsepower not
Together so that brake lining discontinuity, so as to causing the problem of brake lining friction material eccentric wear very universal, it has also become this area is urgently
The technical problem of solution.
The content of the invention
In order to solve the above problems, the invention provides a kind of independent brake pad brake pad, steady so as to reach brake,
The effect of the brake lining eccentric wear problem of effectively solving brake simultaneously.
The present invention is achieved by following technical solution.
A kind of independent brake pad brake pad, including steel back, brake shoes, flexible member, fairlead, dovetails, little axle and
Bushing, some brake shoes are separately fixed on a face of steel back by little axle and bushing, and another face of steel back connects
Dovetails, are provided with location-plate between the brake shoes and steel back, brake shoes is combined by least three pieces brake pads, the elasticity
Element and fairlead are located between location-plate and each piece of brake pad.
The location-plate is a thin-slab structure, and location-plate is provided with through hole corresponding with the installing hole of brake shoes, location-plate
Edge is provided with flange；Splicing after each brake pad assembling in the brake shoes becomes a complete polygon shape brake shoes；The flange
Inner side is contacted with each lateral edge of brake shoes, and the flange height of flange adds 1～5mm for the free height of flexible member；It is described fixed
The flange number of position plate is identical with brake shoes side number；The flange end of the location-plate is provided with slot to make way.
The brake shoes is the triangle brake shoes combined by three pieces of polygon brake pads.
The invention has the beneficial effects as follows：
A kind of independent brake pad brake pad of the present invention, by being combined using independent brake pad, each friction
Block adopts independent little axle and bushing to connect, the independent flexible member of correspondence and fairlead under brake pad, in assembling, can basis
Brake pad each several part present position, is equipped with the flexible member of different elastic force specifications, has reached flexible configuration friction to brake pad
Block, freely adjusts the effect of friction tile height and brake stress, so as to ensure that brake lining each several part friction is uniform, drops significantly
Low eccentric wear degree, improves braking quality and braking stationarity, extends the service life of brake pad；In brake lining maintaining
During, it is different according to the brake pad degree of wear of diverse location, fixed point replacing can be carried out, it is not necessary to whole brake shoes entirety more
Change, greatly save the maintenance cost of brake lining.
In addition, by adopting the positioning plate structure with flange, having reached again prevents the rotation of independent brake pad and by brake pad
Overall fixed effect；The resigning slot structure of flange end, it is ensured that flange within the specific limits allow bit space, in case fastening
Position plate bulk deformation.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the cross section structure schematic diagram of A-A in Fig. 1；
Fig. 3 is the structural representation of location-plate in the present invention；
Fig. 4 is the side view of location-plate in the present invention.
In figure：1- steel backs, 2- brake shoes, 201- brake pads, 3- location-plates, 301- slot to make way 4- flexible members, 5- are oriented to
Set, 6- dovetails, the little axles of 7-, 8- bushings, 9- through holes, 10- flange.
Specific embodiment
Technical scheme is further described below in conjunction with the accompanying drawings, but claimed scope is not limited to institute
State.
As shown in figures 1-4, a kind of independent brake pad brake pad of the present invention, including steel back 1, brake shoes 2, bullet
Property element 4, fairlead 5, dovetails 6, little axle 7 and bushing 8, some brake shoes 2 pass through little axle 7 and bushing 8 to be fixed respectively
On a face of steel back 1, another face of steel back connects dovetails 6, and dovetails 6 are tabular W type, in the recessed of dovetails 6
There are 6 through holes at position, and dovetails 6 are riveted with steel back 1 by this through hole；Location-plate 3 is provided between the brake shoes 2 and steel back 1,
Brake shoes 2 is combined by least three pieces brake pads 201, and splicing after each brake pad 201 is assembled becomes complete polygon shape brake
Block 2；The flexible member 4 and fairlead 5 are located between location-plate 3 and each piece of brake pad 201.
The location-plate 3 is a thin-slab structure, and location-plate 3 is provided with through hole corresponding with the installing hole of brake shoes 29；It is fixed
Position 3 edge of plate is provided with flange 10, contacts with 2 each lateral edge of brake shoes on the inside of flange 10, safety is carried out to brake pad 201 fixed
Position, prevents brake pad 201 from rotating；The number of flange 10 is identical with 2 side number of brake shoes, and 10 height of flange is according to brake pad 201
Highly determine, the free height of generally flexible member 4 adds 1～5mm, and 10 end of flange is provided with slot to make way 301, to ensure flange
10 within the specific limits allow bit space.
During assembling, steel back 1 and dovetails 6 are riveted into fixation first, in steel back 1, have 21～31 T-shaped through holes, except with dovetails
Outside the hole of 6 rivetings, remaining through hole is in 3～5 component cloth；It is corresponding with 1 each group of through hole of steel back on location-plate 3 to be machined with through hole
9, brake pad 201 is the special friction material of brake lining, is connected as overall, each brake pad 201 by high temperature sintering and a base plate
On be machined with center stepped hole；By 3 plate face of location-plate and steel back 1, by one group of through hole in 3 through hole 9 of location-plate and steel back just
It is right, 3 through hole 9 of 1 through hole of steel back and location-plate, and elastic elements 4 and fairlead 5 successively are passed through with little axle 7, finally will friction
The center stepped hole of block 201 is enclosed within little axle, and brake pad 201 is depressed certain space, and bushing 8 is pressed into little axle 7 and brake pad
Between 201 center stepped hole, complete a brake pad 201 and assemble.In assembling process, for diverse location from different elastic force
The flexible member 4 of specification is assembled with brake pad 201, repeat the above steps, you can obtain complete brake pad.
The brake shoes 2 can be the triangle brake shoes combined by three pieces of polygon brake pads 201, may also be many
The polygon brake shoes that block polygon brake pad 201 is combined into.
In the brake lining course of work, due to the linear increase from inside to outside of brake disc radial direction linear velocity, rubbing surface friction horsepower
It is inconsistent, and each brake pad 201 of the brake lining in the technical program is independent, the brake pad 201 on diverse location is to brake disc
Pressure also will be different, be finally reached each position friction and be close to equal effect, it is to avoid eccentric wear phenomenon occur,
Ensure that skidding is steady, reliable.
Claims (5)
1. a kind of independent brake pad brake pad, including steel back (1), brake shoes (2), flexible member (4), fairlead (5), dovetail
Block (6), little axle (7) and bushing (8), some brake shoes (2) are separately fixed at steel back (1) by little axle (7) and bushing (8)
A face on, another face connection dovetails (6) of steel back, it is characterised in that：Between the brake shoes (2) and steel back (1)
It is provided with location-plate (3), the location-plate (3) is a thin-slab structure, location-plate (3) is provided with the installing hole pair with brake shoes (2)
The through hole (9) answered, location-plate (3) edge is provided with flange (10)；Brake shoes (2) is combined by least three pieces brake pads (201),
Splicing after each brake pad (201) assembling becomes complete polygon shape brake shoes (2)；The flexible member (4) and fairlead
(5) between location-plate (3) and each piece of brake pad (201).
2. a kind of independent brake pad brake pad according to claim 1, it is characterised in that：On the inside of the flange (10) with
The each lateral edge contact of brake shoes (2), the flange height of flange (10) add 1～5mm for the free height of flexible member (4).
3. a kind of independent brake pad brake pad according to claim 1, it is characterised in that：Location-plate (3) turn over
When (10) number is with brake shoes (2), number is identical.
4. a kind of independent brake pad brake pad according to claim 1, it is characterised in that：Location-plate (3) turn over
Side (10) end is provided with slot to make way (301).
5. a kind of independent brake pad brake pad according to claim 1, it is characterised in that：The brake shoes (2) be by
The triangle brake shoes that three pieces of polygon brake pads (201) combine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757154.5A CN104482079B (en) | 2014-12-10 | 2014-12-10 | A kind of independent brake pad brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757154.5A CN104482079B (en) | 2014-12-10 | 2014-12-10 | A kind of independent brake pad brake pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482079A CN104482079A (en) | 2015-04-01 |
| CN104482079B true CN104482079B (en) | 2017-04-05 |
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ID=52756657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410757154.5A Active CN104482079B (en) | 2014-12-10 | 2014-12-10 | A kind of independent brake pad brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482079B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205806293U (en) | 2016-06-30 | 2016-12-14 | 北京北摩高科摩擦材料有限责任公司 | A kind of train elastic adjusting type brake pad |
| CN107687490B (en) * | 2017-09-30 | 2020-04-14 | 贵州新安航空机械有限责任公司 | Brake pad with elastic structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501347A (en) * | 1982-09-15 | 1985-02-26 | Abex Corporation | Segmented disc brake pad |
| CN102107665A (en) * | 2009-12-24 | 2011-06-29 | 贵州新安航空机械有限责任公司 | High-speed brake lining with elastic structure |
| CN202867646U (en) * | 2012-09-13 | 2013-04-10 | 黄启镇 | Brake pad with spherical pins |
| CN103089864A (en) * | 2012-12-25 | 2013-05-08 | 贵州新安航空机械有限责任公司 | High-speed brake pad provided with connection board |
| CN103133571A (en) * | 2013-02-06 | 2013-06-05 | 北京天宜上佳新材料有限公司 | Floating type brake pad for train |
| CN204437122U (en) * | 2014-12-10 | 2015-07-01 | 贵州新安航空机械有限责任公司 | A kind of eccentric abrasion prevention brake pad structure |
-
2014
- 2014-12-10 CN CN201410757154.5A patent/CN104482079B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501347A (en) * | 1982-09-15 | 1985-02-26 | Abex Corporation | Segmented disc brake pad |
| CN102107665A (en) * | 2009-12-24 | 2011-06-29 | 贵州新安航空机械有限责任公司 | High-speed brake lining with elastic structure |
| CN202867646U (en) * | 2012-09-13 | 2013-04-10 | 黄启镇 | Brake pad with spherical pins |
| CN103089864A (en) * | 2012-12-25 | 2013-05-08 | 贵州新安航空机械有限责任公司 | High-speed brake pad provided with connection board |
| CN103133571A (en) * | 2013-02-06 | 2013-06-05 | 北京天宜上佳新材料有限公司 | Floating type brake pad for train |
| CN204437122U (en) * | 2014-12-10 | 2015-07-01 | 贵州新安航空机械有限责任公司 | A kind of eccentric abrasion prevention brake pad structure |
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| Publication number | Publication date |
|---|---|
| CN104482079A (en) | 2015-04-01 |
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