CN204437122U - A kind of eccentric abrasion prevention brake pad structure - Google Patents
A kind of eccentric abrasion prevention brake pad structure Download PDFInfo
- Publication number
- CN204437122U CN204437122U CN201420778300.8U CN201420778300U CN204437122U CN 204437122 U CN204437122 U CN 204437122U CN 201420778300 U CN201420778300 U CN 201420778300U CN 204437122 U CN204437122 U CN 204437122U
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- brake
- brake pad
- brake block
- positioning plate
- block
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Abstract
The utility model discloses a kind of eccentric abrasion prevention brake pad structure, belong to skidding technical field, comprise steel backing, brake block, elastic element, guide sleeve, dovetails, little axle and lining, described brake block is some to be separately fixed on a face of steel backing by little axle and lining, another face of steel backing connects dovetails, positioning plate is provided with between described brake block and steel backing, brake block is combined by least three pieces of brake pads, and described elastic element and guide sleeve are between positioning plate and each block brake pad.The technical program is by adopting independently brake pad combination, each brake pad adopts independently little axle to be connected with lining, correspondence independently elastic element and guide sleeve under brake pad, when assembling, can according to brake pad each several part present position, brake pad is equipped with to the elastic element of different elastic force specification, reaches flexible configuration brake pad, free adjustment brake pad height and stressed effect of braking.
Description
Technical field
The utility model belongs to skidding technical field, relates to a kind of reel formula skidding brake lining structure, especially relates to a kind of eccentric abrasion prevention brake pad structure.
Background technique
Brake pad is the important braking member in braking device and braking system; the structure of brake pad is one of principal element affecting braking quality; particularly in axle disk braking system; due to the linear increase from inside to outside of brake disc radial line speed; cause rubbing surface friction horsepower inconsistent, Internal and external cycle thickness difference is large to cause the instability of braking quality and braking material to occur, i.e. eccentric wear phenomenon; so brake disc after long-term use, card often can be uneven.Therefore, the structural design of skidding brake lining should intensity reliable, need again the problem overcoming eccentric wear.
The brake block of brake pad mostly is triangle brake block elastic structure and polygonal brake block and adds spherical floating textural association and form, and the patent of invention being 201310047736.X as application number discloses a kind of train floatation type brake pad.
General triangle brake block elastic structure is sintered on skeleton by the brake block direct weighting of cold moudling, then be riveted on a face of polygonal tabular steel backing, 1 ~ 3 elastic element is had between brake block and steel backing, thus the braking process realizing elasticity and float.In brake process, because three rivet location of fixing brake block involve mutually or regulate height-limited, brake block braking is steady not, and there is eccentric wear phenomenon, especially brake under high speed conditions, the pressure of generation be large, temperature height time, above-mentioned condition is more obvious.
General polygonal brake block adds the brake pad of spherical floating textural association, first the brake block direct weighting of cold moudling is sintered on skeleton, then be assemblied on sphere support, be assemblied on a face of polygonal steel backing finally by jump ring, this Standard is complicated, and required precision is high, sphere and elastic circlip can play certain eccentric abrasion prevention effect, but eccentric wear phenomenon still exists, and occurs that brake block is from dropping situations sphere support, bring larger potential safety hazard to driving.
Therefore, no matter be which kind of brake chip architecture, in skidding process, because brake area friction horsepower is different, make brake lining discontinuity, thus cause the problem of brake lining friction material eccentric wear very general, become the technical problem that related domain is urgently to be resolved hurrily.
Model utility content
In order to solve the problem, the utility model provides a kind of eccentric abrasion prevention brake pad structure, thus reaches brake steadily, effectively solves the effect of brake sheet eccentric wear problem simultaneously.
The utility model is achieved by following technical solution.
A kind of eccentric abrasion prevention brake pad structure, comprise steel backing, brake block, elastic element, guide sleeve, dovetails, little axle and lining, described brake block is some to be separately fixed on a face of steel backing by little axle and lining, another face of steel backing connects dovetails, positioning plate is provided with between described brake block and steel backing, brake block is combined by least three pieces of brake pads, and described elastic element and guide sleeve are between positioning plate and each block brake pad.
Described positioning plate is a thin-slab structure, and positioning plate is provided with the through hole corresponding with the mounting hole of brake block, and positioning plate edge is provided with flange; After each brake pad assembling in described brake block, splicing becomes a complete polygon shape brake block; Inside described flange, lateral edge each with brake block contacts, and the flange height of flange is that the free height of elastic element adds 1 ~ 5mm; The flange number of described positioning plate is identical with brake block limit number; The flange end of described positioning plate has slot to make way.
Described brake block is the triangle brake block combined by three pieces of polygonal brake pads.
The beneficial effects of the utility model are:
A kind of eccentric abrasion prevention brake pad structure described in the utility model, by adopting independently brake pad combination, each brake pad adopts independently little axle to be connected with lining, correspondence independently elastic element and guide sleeve under brake pad, when assembling, can according to brake pad each several part present position, brake pad is equipped with to the elastic element of different elastic force specification, reach flexible configuration brake pad, free adjustment brake pad height and stressed effect of braking, thus ensure that brake lining each several part friction is even, greatly reduce eccentric wear degree, improve braking quality and braking stationarity, extend the working life of brake pad, in brake lining maintaining process, different according to the brake pad degree of wear of diverse location, fixed point can be carried out and change, to whole brake block integral replacing, need not greatly save the maintenance cost of brake lining.
In addition, by adopting the positioning plate structure of band flange, reach again the effect preventing independent brake pad from rotating and brake pad entirety fixed; The slot to make way structure of flange end, ensure that flange within the specific limits allow bit space, in case the distortion of fastening position slab integral.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cross section structure schematic diagram of A-A in Fig. 1;
Fig. 3 is the structural representation of positioning plate in the utility model;
Fig. 4 is the side view of positioning plate in the utility model.
In figure: 1-steel backing, 2-brake block, 201-brake pad, 3-positioning plate, 301-slot to make way 4-elastic element, 5-guide sleeve, 6-dovetails, the little axle of 7-, 8-lining, 9-through hole, 10-flange.
Embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in figures 1-4, a kind of eccentric abrasion prevention brake pad structure described in the utility model, comprise steel backing 1, brake block 2, elastic element 4, guide sleeve 5, dovetails 6, little axle 7 and lining 8, described brake block 2 is some to be separately fixed on a face of steel backing 1 by little axle 7 and lining 8, another face of steel backing connects dovetails 6, dovetails 6 is tabular W type, has 6 through holes in the concave part of dovetails 6, and dovetails 6 is riveted by this through hole and steel backing 1; Be provided with positioning plate 3 between described brake block 2 and steel backing 1, brake block 2 is combined by least three pieces of brake pads 201, and each brake pad 201 assembles rear splicing becomes a complete polygon shape brake block 2; Described elastic element 4 and guide sleeve 5 are between positioning plate 3 and each block brake pad 201.
Described positioning plate 3 is a thin-slab structure, and positioning plate 3 is provided with the through hole 9 corresponding with the mounting hole of brake block 2; Positioning plate 3 edge is provided with flange 10, contacts inside flange 10 with each lateral edge of brake block 2, carries out secure localization to brake pad 201, prevents brake pad 201 from rotating; Flange 10 number is identical with brake block 2 limit number, and flange 10 is highly determined according to the height of brake pad 201, and the free height being generally elastic element 4 adds 1 ~ 5mm, and flange 10 end has slot to make way 301, with ensure flange 10 within the specific limits allow bit space.
During assembling, first rivet fixing by steel backing 1 and dovetails 6, steel backing 1 has 21 ~ 31 T-shaped through holes, except the hole of riveting with dovetails 6, all the other through holes are 3 ~ 5 component cloth; On positioning plate 3, each organizes that through hole is corresponding is processed with through hole 9 with steel backing 1, and brake pad 201 is the special friction material of brake lining, and it is one overall for being connected with a base plate by high temperature sintering, and each brake pad 201 is all processed with center step hole; By positioning plate 3 plate face and steel backing 1, positioning plate 3 through hole 9 is just right with one group of through hole on steel backing, with little axle 7 through steel backing 1 through hole and positioning plate 3 through hole 9, and elastic elements 4 and guide sleeve 5 successively, finally by the center step borehole jack of brake pad 201 on little axle, brake pad 201 is depressed certain space, lining 8 is pressed between little axle 7 and the center step hole of brake pad 201, complete a brake pad 201 and assemble.In assembling process, select the elastic element 4 of different elastic force specification to assemble with brake pad 201 for diverse location, repeat above-mentioned steps, complete brake pad can be obtained.
Described brake block 2 can be the triangle brake block combined by three pieces of polygonal brake pads 201, may also be the polygonal brake block that polylith polygonal brake pad 201 is combined into.
In brake lining working procedure, due to the linear increase from inside to outside of brake disc radial line speed, rubbing surface friction horsepower is inconsistent, and each brake pad 201 independence of brake lining in the technical program, be in the pressure of the brake pad 201 pairs of brake discs on diverse location also by different, finally reach each position friction close to equal effect, avoid eccentric wear phenomenon to occur, ensure that skidding steadily, reliably.
Claims (7)
1. an eccentric abrasion prevention brake pad structure, comprise steel backing (1), brake block (2), elastic element (4), guide sleeve (5), dovetails (6), little axle (7) and lining (8), described brake block (2) is some to be separately fixed on a face of steel backing (1) by little axle (7) and lining (8), another face of steel backing connects dovetails (6), it is characterized in that: between described brake block (2) and steel backing (1), be provided with positioning plate (3), brake block (2) is combined by least three pieces of brake pads (201), described elastic element (4) and guide sleeve (5) are positioned between positioning plate (3) and each block brake pad (201).
2. a kind of eccentric abrasion prevention brake pad structure according to claim 1, it is characterized in that: described positioning plate (3) is a thin-slab structure, positioning plate (3) is provided with the through hole (9) corresponding with the mounting hole of brake block (2), and positioning plate (3) edge is provided with flange (10).
3. a kind of eccentric abrasion prevention brake pad structure according to claim 1, is characterized in that: after each brake pad (201) assembling in described brake block (2), splicing becomes a complete polygon shape brake block (2).
4. a kind of eccentric abrasion prevention brake pad structure according to claim 2, it is characterized in that: described flange (10) inner side contacts with brake block (2) each lateral edge, the flange height of flange (10) is that the free height of elastic element (4) adds 1 ~ 5mm.
5. a kind of eccentric abrasion prevention brake pad structure according to claim 1, is characterized in that: flange (10) number of described positioning plate (3) is identical with brake block (2) limit number.
6. a kind of eccentric abrasion prevention brake pad structure according to claim 1, is characterized in that: flange (10) end of described positioning plate (3) has slot to make way (301).
7. a kind of eccentric abrasion prevention brake pad structure according to claim 1, is characterized in that: described brake block (2) is the triangle brake block combined by three pieces of polygonal brake pads (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778300.8U CN204437122U (en) | 2014-12-10 | 2014-12-10 | A kind of eccentric abrasion prevention brake pad structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778300.8U CN204437122U (en) | 2014-12-10 | 2014-12-10 | A kind of eccentric abrasion prevention brake pad structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437122U true CN204437122U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420778300.8U Expired - Fee Related CN204437122U (en) | 2014-12-10 | 2014-12-10 | A kind of eccentric abrasion prevention brake pad structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482079A (en) * | 2014-12-10 | 2015-04-01 | 贵州新安航空机械有限责任公司 | Independent friction block brake pad |
-
2014
- 2014-12-10 CN CN201420778300.8U patent/CN204437122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482079A (en) * | 2014-12-10 | 2015-04-01 | 贵州新安航空机械有限责任公司 | Independent friction block brake pad |
| CN104482079B (en) * | 2014-12-10 | 2017-04-05 | 贵州新安航空机械有限责任公司 | A kind of independent brake pad brake pad |
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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: 20150701 Termination date: 20171210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |