CN214945946U - Brake pad with slider structure - Google Patents
Brake pad with slider structure Download PDFInfo
- Publication number
- CN214945946U CN214945946U CN202023325978.5U CN202023325978U CN214945946U CN 214945946 U CN214945946 U CN 214945946U CN 202023325978 U CN202023325978 U CN 202023325978U CN 214945946 U CN214945946 U CN 214945946U
- Authority
- CN
- China
- Prior art keywords
- friction
- sliding block
- carbon fiber
- friction block
- fiber composite
- 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.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a brake pad with slider structure belongs to high-speed railway braking technical field. The high-speed rail brake block comprises: the carbon fiber composite material sliding block comprises a steel back, a friction block, a clamp spring and a carbon fiber composite material sliding block, wherein one surface of the steel back is provided with a hemispherical boss with a hole for placing the carbon fiber composite material sliding block, and the other surface of the steel back is provided with a dovetail joint and a counter bore for placing the clamp spring; the friction block is arranged on one surface of the carbon fiber composite material sliding block; one end of the friction block, which is fixedly arranged, penetrates through the middle hole of the carbon fiber composite material sliding block and the steel back semi-sphere boss and is then connected to the other side of the steel back through the snap spring. The utility model discloses an use the carbon-fibre composite slider as floating structure component, avoided traditional dish spring as floating structure component easy deformation failure's problem in the use, optimized the holistic floating performance of brake lining simultaneously, guaranteed the security of brake lining in the use and the stability of frictional behavior.
Description
Technical Field
The utility model relates to a brake pad with slider structure belongs to high-speed railway braking technical field.
Background
The brake pad is an important part in a high-speed train brake unit, and the principle of train braking is that kinetic energy of a train in the running process is converted into heat energy to be dissipated through mutual friction between a brake disc and the brake pad, so that the train stops moving.
With the use of the coming high-speed train in recent years, the requirements of the speed increase of the train on various aspects of the performance of a brake system, particularly a brake pad, are higher and higher.
During the braking process of the train, continuous vertical pressure, tangential friction force, sudden impact force and the like exist on friction surfaces of the brake pads and the brake disc. Under the action of strong friction force, the temperature of the friction surface rises sharply, and a temperature gradient is formed to generate stress, so that the brake pad of the high-speed train is exposed to extremely harsh use conditions, and can fail due to various factors.
The more brake lining that regards as floating element with the dish spring of using in the existing market, the dish spring is line contact with the contact of steel backing and clutch blocks, itself just deposits great stress concentration and atress inequality, lead to the clutch blocks eccentric wear easily, experience the braking high temperature low temperature thermal fatigue of relapse and thermal shock stress effect back simultaneously, permanent deformation very easily appears in the dish spring, and then make the brake lining lose partial floating property, influence the frictional behavior of brake lining, in addition, the too big circumstances that leads to the connection jump ring of brake lining of more serious dish spring deformation appears becoming flexible in addition probably appearing, the risk that the friction block drops can seriously be increased to this kind of phenomenon, and then the safe operation of influence train.
Disclosure of Invention
Therefore, the utility model discloses a technical problem that solves lies in: the traditional disc spring has the advantages of small contact area with a friction block, unbalanced stress, easy eccentric wear, easy occurrence of high-temperature deformation failure, influence on the floatability and friction braking performance of a brake pad, and even the running safety of a train. Therefore, the utility model provides a pair of brake lining with slider structure, carbon-fibre composite slider have high temperature resistant, thermal fatigue resistance, and is anti-oxidant, anti high temperature impact, thermal shock resistance, high temperature strength is high, and it is effectual to float, has advantages such as certain self-lubricating nature, can solve above-mentioned technological problem effectively.
The patent of the utility model discloses a concrete technical scheme does:
the utility model relates to a brake pad with a sliding block structure, which comprises a steel backing, a friction block and a clamp spring; a plurality of friction blocks are arranged on one side of the steel back, and an integrally formed dovetail type interface is arranged on the other side of the steel back; the friction block is connected with the steel back through a clamp spring; one side of the steel back is provided with a steel back hemisphere boss, and the other side of the steel back is provided with a clamp spring mounting counter bore and a dovetail interface.
And a carbon fiber composite material sliding block is arranged between the friction block and the steel back and is a floating structural element. The carbon fiber composite material sliding block is a disc or a circular cylinder with a hole in the center.
The friction block comprises friction portion and installation department, and the installation department shape is for being suitable for installing on the steel backing, and the installation department passes carbon-fibre composite slider mesopore and steel backing hemisphere boss, then connects in steel backing jump ring installation counter bore department through the jump ring.
The friction block is polygonal or rounded polygonal in front view.
Concave spherical surfaces are processed on two sides of the carbon fiber composite material sliding block cylinder, wherein the concave spherical surface on one side is in spherical pair contact with the boss of the friction block mounting part, and the concave spherical surface on the other side is in spherical pair contact with the boss of the steel-backed hemisphere.
The friction part of the friction block is in the shape of a polygon or a round polygon cylinder, and the friction block mounting part comprises a mounting part flat plate, a mounting part boss, a mounting column and a mounting part clamp spring groove four parts.
Compared with the prior art, the utility model outstanding technological effect who has does:
1. the patent of the utility model provides a pair of brake lining with slider structure, the contact mode of carbon-fibre composite slider and steel backing and clutch blocks is the sphere contact for being connected with between clutch blocks and the steel backing better automatic adjustment ability, clutch blocks self can carry out the self-adaptation adjustment of friction state according to different friction operating mode, has avoided the brake lining to grind partially, and the biography power of clutch blocks, carbon-fibre composite slider, steel backing and jump ring is more stable simultaneously.
2. The utility model provides a pair of brake lining with slider structure, carbon-fibre composite slider are carbon-fibre reinforced composite, can be high temperature resistant, thermal fatigue resistance, and anti-oxidant, anti high temperature is strikeed, thermal shock resistance, and high temperature strength is high, and it is effectual to float, has advantages such as certain self-lubricity, makes brake lining safe and reliable more at the braking in-process repeatedly.
3. The utility model provides a pair of brake pad with slider structure, the friction block form is polygon and circular arc mosaic structure, is favorable to the heat dissipation chip removal, makes frictional behavior more stable.
4. The utility model provides a pair of brake pad with slider structure, the big clearance's of design layout clutch blocks, the friction bits of being convenient for discharge, the heat dissipation of being convenient for. The risk that debris and the like are deposited between the friction blocks to cause reduction of braking capacity and damage to the brake disc is reduced.
5. The utility model provides a pair of brake lining with slider structure adopts the carbon-fibre composite slider, can avoid eccentric wear at the optimal friction surface of braking in-process automatic adjustment, guarantees the braking effect.
Drawings
FIG. 1 is a schematic view of the arrangement of friction blocks and self-blocking mixing effect of the brake pad of the present invention;
FIG. 2 is an exploded view of the brake pad friction block, the carbon fiber composite material slider, the steel back and the clamp spring of the present invention;
FIG. 3 is a schematic view of a carbon fiber composite slider;
FIG. 4 is a schematic view of a friction block;
FIG. 5 is a schematic cross-sectional view of the position and connection relationship of the friction block, the carbon fiber composite material slide block, the steel back and the clamp spring of the present invention;
the parts in the figures are numbered:
1. a steel backing; 2. a friction block; 3. a clamp spring; 4. a carbon fiber composite slider; 5. a friction block mounting part; 6. a carbon fiber composite material slider middle hole; 7. a steel backed hemispherical boss; 8. a counter bore is formed in one side of the steel back; 9. a pad mounting portion plate; 10. a friction block friction part; 11. a friction block mounting part boss; 12. a mounting post for the friction block mounting part; 13. a snap spring groove of the friction block mounting part; 14. a dovetail interface.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
See figures 1-5.
The utility model relates to a brake pad with a sliding block structure, which comprises a steel backing 1, a friction block 2 and a clamp spring 3; a plurality of friction blocks 2 are arranged on one side of the steel back 1, and an integrally formed dovetail type interface 14 is arranged on the other side of the steel back; the friction block 2 is connected with the steel back 1 through a clamp spring 3; and a steel back hemisphere boss 7 is arranged on one side of the steel back 1, and a clamp spring mounting counter bore 8 and a dovetail interface 14 are arranged on the other side of the steel back.
And a carbon fiber composite material sliding block 4 is arranged between the friction block 2 and the steel back 1 and is a floating structural element. The carbon fiber composite material sliding block 4 is a disc or a circular cylinder with a hole in the center.
The friction block 2 is composed of a friction part 10 and an installation part 5, the installation part 5 is in a shape suitable for being installed on the steel back 1, the installation part 5 penetrates through a middle hole 6 of the carbon fiber composite material sliding block and a steel back hemispherical boss 7, and then the installation part is connected to a steel back clamp spring installation counter bore 8 through a clamp spring 3.
The friction block 2 is polygonal or rounded polygonal in front view.
Concave spherical surfaces are processed on two sides of a cylinder of the carbon fiber composite material sliding block 4, wherein the concave spherical surface on one side is in spherical pair contact with the friction block mounting part boss 11, and the concave spherical surface on the other side is in spherical pair contact with the steel back semi-sphere boss 7.
The friction part 10 of the friction block is a polygonal or round-cornered polygonal cylinder, and the friction block mounting part 5 comprises four parts, namely a mounting part flat plate 9, a mounting part boss 11, a mounting column 12 and a mounting part clamp spring groove 13.
As shown in fig. 1 and 2, a specific embodiment of the present invention comprises a steel back 1, a hemispherical boss 7 is formed on one side of the steel back, and a positioning counter bore 8 is arranged on the other side; the friction block 2 is arranged on the brake pad steel back through the clamp spring 3; a carbon fiber composite material sliding block 4 with an elastic floating effect is arranged between the friction block and the steel back, the carbon fiber composite material sliding block 4 is made of a circular carbon fiber reinforced composite material, a through hole is formed in the middle of the carbon fiber composite material sliding block, the installation end of the friction block can penetrate through the through hole conveniently, one surface of the carbon fiber composite material sliding block is in spherical contact with the friction block, and the other surface of the carbon fiber composite material sliding block is in spherical contact with the steel back.
The friction block 2 comprises a friction part 10 and a mounting part 9 on one side. The cross section of the friction part 10 is of a polygonal and arc splicing structure; the mounting part comprises a cylindrical or hemispherical boss 11 positioned in the middle and used for being matched and positioned with the carbon fiber composite material sliding block to prevent the friction block from excessively deflecting in the braking stress process, and a clamp spring mounting column 12 is arranged in the middle of the boss and used for penetrating through the steel backing mounting positioning hole and connecting the friction block and the steel backing into a whole through a clamp spring; the mounting groove 13 is used for mounting a clamp spring.
The carbon fiber composite material slider 4 is a circular carbon fiber reinforced composite material, a through hole is formed in the middle of the carbon fiber composite material slider, the thickness of the carbon fiber composite material slider is larger than the height of a boss of the steel back by 11 degrees, the effect of serially connecting the friction block and the steel back is achieved, meanwhile, a floating effect is generated in the process of braking stress, the friction block is prevented from being worn eccentrically, and the friction performance of the brake pad is more stable.
When the brake system works, the brake pressure acts on the brake pad steel backing 1 and is transmitted to the friction block 2 through the carbon fiber composite material sliding block 4, so that the friction block 2 is stably attached to the brake disc to implement braking. Because the one side of carbon-fibre composite slider closely laminates with the installation department sphere of clutch blocks 2, and the one side is laminated with the steel backing sphere, all produces and has formed the face contact, for prior art's line contact, area of contact is great, makes the atress more steady, has eliminated traditional dish spring structure because the jamming of clutch blocks 2 and dish spring that wearing and tearing caused and has lost the phenomenon of floating. Meanwhile, the carbon fiber composite material has the advantages of high temperature resistance, thermal fatigue resistance, oxidation resistance, high temperature impact resistance, thermal shock resistance, high-temperature strength, good floating effect, certain self-lubricating property and other hot points, avoids the risk that the traditional disc spring is easy to deform and lose efficacy in the use process, and eliminates the hidden troubles of influencing the braking safety of the brake pad and reducing the friction performance of the brake pad.
Of course, the carbon fiber composite slider can also be other structural members with similar properties. The clamp spring can also be other elastic parts which can play an elastic role.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (7)
1. A brake pad with a sliding block structure is characterized by comprising a steel back (1), a friction block (2) and a clamp spring (3); a plurality of friction blocks (2) are arranged on one side of the steel back (1), and an integrally formed dovetail type interface (14) is arranged on the other side of the steel back; the friction block (2) is connected with the steel back (1) through a clamp spring (3); one side of the steel back (1) is provided with a steel back hemisphere boss (7), and the other side is provided with a clamp spring mounting counter bore (8) and a dovetail interface (14).
2. Brake lining with a sliding block structure according to claim 1, characterized in that a carbon fiber composite sliding block (4) is arranged between the friction block (2) and the steel backing (1) as a floating structural element.
3. Brake lining with a slider structure according to claim 2, characterized in that the carbon fiber composite slider (4) is a disk or a cylinder with a central opening.
4. The brake pad with the sliding block structure as claimed in claim 1, wherein the friction block (2) is composed of a friction block friction part (10) and a friction block mounting part (5), the friction block mounting part (5) is shaped to be mounted on the steel backing (1), and the friction block mounting part (5) penetrates through the carbon fiber composite material sliding block middle hole (6) and the steel backing semi-sphere boss (7) and then is connected to the steel backing snap spring mounting counter bore (8) through the snap spring (3).
5. Brake pad with a sliding block structure according to claim 1, characterized in that the friction block (2) has a polygonal or rounded polygon shape in front view.
6. The brake pad with the sliding block structure as claimed in claim 2, wherein the two sides of the cylinder of the carbon fiber composite sliding block (4) are respectively processed with a concave spherical surface, wherein the concave spherical surface on one side forms a spherical pair contact with the boss (11) of the friction block mounting part, and the concave spherical surface on the other side forms a spherical pair contact with the steel-backed hemispherical boss (7).
7. The brake pad with the sliding block structure according to claim 4, wherein the friction block friction part (10) is a polygon or a rounded polygon cylinder, and the friction block mounting part (5) comprises four parts, namely a mounting flat plate (9), a mounting boss (11), a mounting column (12) and a mounting jump ring groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023325978.5U CN214945946U (en) | 2020-12-31 | 2020-12-31 | Brake pad with slider structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023325978.5U CN214945946U (en) | 2020-12-31 | 2020-12-31 | Brake pad with slider structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945946U true CN214945946U (en) | 2021-11-30 |
Family
ID=79117003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023325978.5U Active CN214945946U (en) | 2020-12-31 | 2020-12-31 | Brake pad with slider structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945946U (en) |
-
2020
- 2020-12-31 CN CN202023325978.5U patent/CN214945946U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109073016A (en) | A kind of train elastic adjusting type brake pad | |
| EP3822506B1 (en) | Floating type brake pad | |
| CN111396474B (en) | High-speed train brake pad with optimized friction particle combination and installation mode | |
| CN202790228U (en) | Braking pad of friction block floatable dovetailing steel back structure | |
| CN214945946U (en) | Brake pad with slider structure | |
| CN105952828A (en) | Elastic adjustment type brake pad used for train | |
| CN104500628B (en) | A kind of brake pad | |
| CN103133570B (en) | Composite floating type brake pad | |
| CN112682448A (en) | Brake pad with carbon fiber composite slider floating structure | |
| CN209245121U (en) | A kind of rail transit train floating type carbon pottery brake pad | |
| CN111895008A (en) | Barb structure powder metallurgy brake pad friction block | |
| CN214998993U (en) | Novel floating structure's high-speed railway brake lining | |
| CN102927170A (en) | Novel brake pad with dovetailing steel back structure and floatable friction blocks | |
| CN204921783U (en) | Unsteady arresting gear of detachable second grade for high speed train | |
| CN214698918U (en) | Train brake pad | |
| CN211778659U (en) | High-speed train brake pad with optimized friction particle combination and installation mode | |
| CN204004095U (en) | Track traffic elastic floating brake pad | |
| CN109322949A (en) | A kind of dovetail steel back integral type standard EMU powder metallurgy brake pad | |
| CN104482079B (en) | A kind of independent brake pad brake pad | |
| CN209524020U (en) | A kind of dovetail steel back integral type standard EMU powder metallurgy brake pad | |
| CN215762939U (en) | Brake pad | |
| CN211574097U (en) | Powder metallurgy brake pad for motor train unit | |
| CN211852589U (en) | Powder metallurgy brake pad for motor train unit | |
| CN217056097U (en) | Powder metallurgy brake lining for dovetail type high-speed motor train unit | |
| CN205715366U (en) | A kind of adjusting pole for train brake plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |