CN109340280B - Brake pad for preventing eccentric wear - Google Patents
Brake pad for preventing eccentric wear Download PDFInfo
- Publication number
- CN109340280B CN109340280B CN201811423899.2A CN201811423899A CN109340280B CN 109340280 B CN109340280 B CN 109340280B CN 201811423899 A CN201811423899 A CN 201811423899A CN 109340280 B CN109340280 B CN 109340280B
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- brake pad
- friction
- support
- longitudinal rod
- brake
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- 230000005484 gravity Effects 0.000 claims abstract description 57
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 230000002035 prolonged effect Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 9
- 239000002783 friction material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of brake pads, in particular to a brake pad capable of preventing eccentric wear, which is arranged on a brake pad support, wherein a longitudinal rod is arranged on the brake pad support, and the brake pad comprises: the brake pad backboard is arranged on the brake pad support; the friction assembly is arranged on the other side of the brake pad backboard, which is far away from the brake pad support; the vertical distance between the horizontal orthographic projection of the whole gravity center of the friction assembly and the axis of the longitudinal rod is 0-8mm, and the horizontal orthographic projection and the axis of the longitudinal rod are positioned on the same vertical plane. The inner side and the outer side of the brake pad for preventing eccentric wear are uniformly stressed, so that the replacement period can be prolonged, the cost can be reduced, and the brake disc is not easy to generate thermal cracks.
Description
Technical Field
The invention relates to the technical field of brake pads, in particular to a brake pad capable of preventing eccentric wear.
Background
At present, the brake pad mainly comprises a dovetail-shaped floating brake pad and a dovetail-shaped non-floating structure, wherein the brake pad in the prior art has the condition that the inner side and the outer side of the brake pad are not uniformly worn, or the inner side is seriously worn due to overlarge inner side stress, or the outer side is seriously worn due to overlarge outer side stress. The lowest abrasion of the friction material is calculated to limit after abrasion in the use process of the brake pad, so that whether the brake pad is replaced or not is determined, the replacement period is short due to eccentric abrasion of the brake pad, and the operation cost is increased; meanwhile, the heat generated by friction is high and the temperature is high due to overlarge stress on the inner side or the outer side, and the temperature on two sides is low, so that the temperature of the brake disc is uneven, and the brake disc is easy to generate hot cracks after being heated and cooled for a long time.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical defects that the inner side and the outer side of the brake pad are not worn uniformly, so that the replacement period is short, the cost is increased, and the brake disc is easy to generate thermal cracks in the prior art, so that the brake pad for preventing eccentric wear, which can prolong the replacement period, reduce the cost and is difficult to generate thermal cracks in the brake disc, is provided.
In order to solve the technical problems, the invention adopts the following technical scheme:
a brake pad for preventing eccentric wear, disposed on a brake pad holder, the brake pad holder being provided with a longitudinal bar, the brake pad comprising:
the brake pad backboard is arranged on the brake pad support;
the friction assembly is arranged on the other side of the brake pad backboard, which is far away from the brake pad support;
the vertical distance between the horizontal orthographic projection of the whole gravity center of the friction assembly and the axis of the longitudinal rod is 0-8mm, and the horizontal orthographic projection and the axis of the longitudinal rod are positioned on the same vertical plane.
In the brake pad for preventing eccentric wear, the vertical distance between the horizontal orthographic projection of the whole gravity center of the friction assembly and the axis of the longitudinal rod is 0-3.5mm.
In the brake pad for preventing eccentric wear, the horizontal orthographic projection of the whole gravity center of the friction assembly is positioned on the axis of the longitudinal rod.
In the brake pad for preventing eccentric wear, two groups of friction assemblies are arranged on the brake pad back plate, the two groups of friction assemblies are symmetrically arranged relative to the center line of the brake pad back plate along the vertical direction, each group of friction assemblies comprises three friction block groups, and the horizontal orthographic projection of the connecting line of the gravity centers of the two groups of friction assemblies coincides with the axis of the longitudinal rod.
In the brake pad for preventing eccentric wear, each friction block group comprises a support bracket and three friction blocks arranged on the support bracket, the three friction blocks are arranged in a triangle shape, and the gravity center of each friction block group coincides with the horizontal orthographic projection of the triangle gravity center formed by the three friction blocks.
In the brake pad for preventing eccentric wear, the supporting support is an elastic supporting support, so that the supporting support applies a biasing force to the friction block in a direction away from the brake pad backboard.
In the brake pad for preventing eccentric wear, the support bracket comprises three third installation parts for installing the friction blocks and second positioning parts arranged at the middle parts of the three third installation parts, the support bracket is installed on the first installation part of the brake pad backboard through the second positioning parts, and the second positioning parts are of convex spherical structures towards the bottom ends of the brake pad backboard.
In the brake pad for preventing eccentric wear, the friction block comprises a friction part, a first positioning part and a supporting part arranged between the friction part and the first positioning part, the friction block is arranged on the third mounting part through the supporting part, a through hole is formed in the third mounting part, and the first positioning part penetrates through the through hole and is arranged in the second mounting part of the brake pad backboard.
In the above brake pad for preventing eccentric wear, the supporting portion includes a convex spherical structure disposed towards the direction of the brake pad back plate and a plate-shaped structure disposed at the periphery of the convex spherical structure, and the third mounting portion is a concave spherical structure with a shape matching the convex spherical structure.
In the brake pad for preventing eccentric wear, the first positioning part is of a columnar structure, the outer diameter of the first positioning part corresponds to the inner diameter of the through hole, a clamping groove is formed in one end, close to the second installation part, of the first positioning part, and the first positioning part is arranged in the second installation part through the clamping groove and a clamping spring clamped on the clamping groove.
The technical scheme of the invention has the following advantages:
1. the invention provides a brake pad capable of preventing eccentric wear, which is arranged on a brake pad support, wherein a longitudinal rod is arranged on the brake pad support, and the brake pad comprises: the brake pad backboard is arranged on the brake pad support; the friction assembly is arranged on the other side of the brake pad backboard, which is far away from the brake pad support; the vertical distance between the horizontal orthographic projection of the whole gravity center of the friction assembly and the axis of the longitudinal rod is 0-8mm, and the horizontal orthographic projection and the axis of the longitudinal rod are positioned on the same vertical plane. The brake pad is arranged on the brake pad support, the brake pad support is connected with a brake lever on a brake device for driving the brake pad support and the brake pad to move through a longitudinal rod arranged on the brake pad support, the brake device drives the longitudinal rod to move through controlling the brake lever to further drive the brake pad support and the brake pad to move, so that the axis of the longitudinal rod is a stress line of the brake pad support, and the stress line of the brake pad is positioned on the whole gravity center of the friction assembly due to the contact friction of the brake pad and the brake disc through the friction assembly; meanwhile, the design can enable the heat distribution generated by friction between the brake pad and the brake pad support to be uniform, so that the temperature distribution of the brake disc is uniform, the brake disc is not easy to generate thermal cracks, and the service life of the brake disc is prolonged.
2. The horizontal orthographic projection of the whole gravity center of the friction assembly is positioned on the axis of the longitudinal rod. The structural design can enable the force bearing line of the brake pad to be overlapped with the horizontal orthographic projection of the force bearing line of the brake pad support, so that the force bearing of the brake pad is more uniform, the conditions of overlarge inner side force bearing, serious inner side abrasion or serious outer side force bearing and serious outer side abrasion are not easy to occur, the short replacement period caused by eccentric abrasion of the brake pad is avoided, and the operation cost can be further reduced; meanwhile, the design can enable the heat distribution generated by friction between the brake pad and the brake pad support to be more uniform, so that the temperature distribution of the brake disc is uniform, the brake disc is not easy to generate thermal cracks, and the service life of the brake disc is prolonged.
3. According to the brake pad for preventing eccentric wear, two groups of friction assemblies are arranged on the brake pad backboard, the two groups of friction assemblies are symmetrically arranged relative to the center line of the brake pad backboard along the vertical direction, each group of friction assemblies comprises three friction block groups, and the horizontal orthographic projection of the connecting line of the centers of gravity of the two groups of friction assemblies coincides with the axis of the longitudinal rod. The gravity centers of each group of friction components can be determined respectively, and then the two gravity centers are connected, and because the two groups of friction components are symmetrically arranged relative to the central line of the brake pad backboard along the vertical direction, the gravity centers of the whole friction components are also positioned on the two gravity centers of the two groups of friction components, so that the two gravity centers of the two groups of friction components are overlapped with the axial line horizontal orthographic projection of the longitudinal rod, even if the stress line of the brake pad (the two gravity centers of the two groups of friction components) is overlapped with the stress line of the brake pad support (the axial line of the longitudinal rod), the stress of the inner side and the outer side of the brake pad is uniform, the replacement period is prolonged, the operation cost is reduced, the temperature distribution of the brake disc is uniform, the thermal cracks are not easy to generate, and the service life of the brake disc is prolonged.
4. According to the brake pad for preventing eccentric wear, each friction block group comprises a support bracket and three friction blocks arranged on the support bracket, the three friction blocks are arranged in a triangle shape, and the gravity center of each friction block group coincides with the horizontal orthographic projection of the triangle gravity center formed by the three friction blocks. Through the layout design of the friction blocks and the support brackets, the gravity center of each friction block group coincides with the horizontal orthographic projection of the gravity center of the triangle formed by the three friction blocks, each friction assembly is provided with three friction block groups, and the three friction blocks on each friction block group can form a triangle, so that the three triangles can be formed, the gravity centers of the three triangles are determined, the three gravity centers are connected to form a new triangle, the gravity centers of the new triangle coincide with the horizontal orthographic projection of the gravity center of each friction assembly, the two new triangle formed on the two friction assemblies are connected to form a straight line, and the straight line coincides with the horizontal orthographic projection of the connecting line (the stress line of the brake pad) of the two gravity centers of the two friction assemblies, so that in the manufacturing process of the brake pad, only through the layout design of the friction blocks and the support brackets, the connecting line of the two new triangle formed on the two friction assemblies coincides with the axis (namely the stress line of the brake pad bracket) of the longitudinal rod, the inner side stress of the brake pad is enabled, the inner side and outer side stress of the brake pad is prolonged, the replacement period is prolonged, the service life of the brake disc is prolonged, and the service life of the brake disc is prolonged.
5. The support bracket comprises three third installation parts for installing the friction blocks and second positioning parts arranged in the middle of the three third installation parts, and is installed on the first installation part of the brake pad backboard through the second positioning parts. The second positioning part is of a convex spherical structure towards the bottom end of the brake pad backboard. The design can enable the gravity centers of the three friction blocks and the gravity center of the whole friction block group to be located on the central line of the spherical structure, so that the overall layout of the friction blocks and the support brackets is more convenient and quick, and the structure is also more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a brake pad for preventing bias wear according to embodiment 1 of the present invention;
FIG. 2 is a force analysis side view of the anti-bias brake pad of FIG. 1;
FIG. 3 is a side view of the support bracket of the anti-bias brake pad of FIG. 1;
FIG. 4 is a schematic diagram showing the cooperation of the brake pad and the brake pad holder according to the present invention;
FIG. 5 is a front view of a brake pad for preventing bias wear according to embodiment 2 of the present invention;
FIG. 6 is a side view of the support bracket of the anti-bias brake pad of FIG. 5;
FIG. 7 is a cross-sectional view of the stay of the anti-bias brake pad of FIG. 5;
reference numerals illustrate:
1-friction block; 11-friction part; 12-a support; 13-a first positioning part; 2-supporting brackets; 21-a third mounting portion; 22-a second positioning portion; 3-clamping springs; 4-a shutter back plate; 5-a brake pad holder; 6-a longitudinal bar; 7-dovetail-shaped protrusions; 8-connecting lines.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
As shown in fig. 1-4, this embodiment provides a specific implementation manner of a brake pad for preventing eccentric wear, as shown in fig. 4, the brake pad for preventing eccentric wear is disposed on a brake pad holder 5, a longitudinal rod 6 is disposed on the brake pad holder 5, the longitudinal rod 6 is connected with a brake lever for driving the brake pad holder 5 to move, and the brake lever drives the brake pad holder 5 and the brake pad to move by driving the longitudinal rod 6 to move, where the brake pad includes: a shutter back plate 4 and a friction assembly.
In this embodiment, the brake pad backboard 4 is mounted on the brake pad support 5, specifically, a dovetail groove is disposed on a side of the brake pad support 5 away from the longitudinal rod 6, and a dovetail protrusion 7 adapted to the dovetail groove is disposed on a side of the brake pad backboard 4 away from the friction assembly. The dovetail-shaped bulge 7 is inserted into the dovetail-shaped groove to realize the installation and fixation of the brake pad backboard 4 and the brake pad support 5.
The friction component is arranged on the other side of the brake pad backboard 4 away from the brake pad support 5; the vertical distance between the horizontal orthographic projection of the whole gravity center of the friction assembly and the axis of the longitudinal rod 6 is 0-8mm, and the horizontal orthographic projection and the axis of the longitudinal rod 6 are positioned on the same vertical plane. Preferably, the horizontal orthographic projection of the overall center of gravity of the friction assembly is at a vertical distance of 0-3.5mm from the axis of the longitudinal rod 6. In this embodiment, the horizontal orthographic projection of the overall center of gravity of the friction assembly is located on the axis of the longitudinal rod 6. The brake pad is arranged on the brake pad support, the brake pad support is connected with a brake lever on a brake device for driving the brake pad support and the brake pad to move through a longitudinal rod 6 arranged on the brake pad support, the brake device drives the longitudinal rod 6 to move through controlling the brake lever to further drive the brake pad support and the brake pad to move, so that the axis of the longitudinal rod 6 becomes a stress line of the brake pad support, the brake pad is contacted and rubbed with a brake disc through a friction assembly, the stress line of the brake pad is positioned on the whole gravity center of the friction assembly, the horizontal orthographic projection of the whole gravity center of the friction assembly is positioned on the axis of the longitudinal rod 6, so that the stress line of the brake pad is overlapped with the horizontal orthographic projection of the stress line of the brake pad support, the stress of the brake pad is uniform, the conditions of overlarge inside stress, serious inside abrasion or serious outside stress are not easy to occur, and the brake pad is subjected to limited calculation by the lowest position of friction materials after abrasion in the use process of the brake pad, the inside and outside stress is uniformly prevented from being replaced, and the abrasion cycle caused by the brake pad is shortened, and the operation cost is reduced; meanwhile, the design can lead the heat generated by friction between the brake pad and the brake pad support to be distributed uniformly, thereby leading the temperature of the brake disc to be distributed uniformly and leading the brake disc to be difficult to generate hot cracks, and prolonging the service life of the brake disc.
Further, two groups of friction components are arranged on the brake pad backboard 4, the two groups of friction components are symmetrically arranged relative to the brake pad backboard 4 along the central line of the vertical direction, each group of friction components comprises three friction block groups, and the horizontal orthographic projection of the connecting line 8 of the gravity centers of the two groups of friction components coincides with the axis of the longitudinal rod 6. The gravity centers of each group of friction components can be determined respectively through the structural design, and then the two gravity centers are connected, and because the two groups of friction components are symmetrically arranged relative to the central line of the brake pad backboard along the vertical direction, the gravity centers of the whole friction components are also positioned on the two gravity centers of the two groups of friction components, so that the two gravity centers of the two groups of friction components are overlapped with the horizontal orthographic projection of the axis of the longitudinal rod 6, even if the stress line of the brake pad (the two gravity centers of the two groups of friction components) is overlapped with the horizontal orthographic projection of the stress line of the brake pad support (the axis of the longitudinal rod 6), the stress of the inner side and the outer side of the brake pad is uniform, the replacement period is prolonged, the operation cost is reduced, the temperature distribution of the brake disc is uniform, the thermal cracks are not easy to generate, and the service life of the brake disc is prolonged.
Further, each friction block group comprises a support bracket 2 and three friction blocks 1 arranged on the support bracket 2, the three friction blocks 1 are arranged in a triangle shape, and the gravity center of each friction block group coincides with the horizontal orthographic projection of the triangle gravity center formed by the three friction blocks 1. Through the layout design of the friction blocks 1 and the support brackets, the center of gravity of each friction block 1 group coincides with the horizontal orthographic projection of the triangle center of gravity formed by the three friction blocks 1, each friction assembly is provided with three friction block groups, and the three friction blocks 1 on each friction block group can form a triangle, so that three triangles can be formed, the center of gravity of the three triangles is determined, the three center of gravity is connected to form a new triangle, the center of gravity of the new triangle coincides with the horizontal orthographic projection of the center of gravity of each friction assembly, the two new triangle centers of gravity formed on the two friction assemblies are connected to form a straight line, and the straight line coincides with the horizontal orthographic projection of the connecting line 8 (the stress line of the brake disc) of the two centers of the two friction assemblies, so that in the manufacturing process of the brake disc, the connecting line of the two new triangle centers of gravity formed on the two friction assemblies coincides with the axis of the longitudinal rod 6 (namely the stress line of the brake disc bracket) through the layout design of the friction blocks 1 and the support brackets, thereby the inner side and outer side of the brake disc are easy to be replaced, the thermal crack is prolonged, the service life of the brake disc is prolonged, and the service life of the brake disc is not uniform.
In this embodiment, the support 2 is an elastic support, so that the support 2 applies a biasing force to the friction block 1 in a direction away from the brake pad back plate 4, so that the friction block 1 can float relative to the brake pad back plate 4.
Further, the support 2 includes three third mounting portions 21 for mounting the friction blocks 1 and second positioning portions 22 disposed in the middle of the three third mounting portions 21, the support 2 is mounted on the first mounting portion of the brake pad backboard 4 through the second positioning portions 22, and the second positioning portions 22 are of a convex spherical structure facing the bottom end of the brake pad backboard 4, and the spherical structure is adapted to the shape of the first mounting portion of the brake pad backboard 4. The three third installation parts 21 are uniformly distributed on the periphery of the second positioning part 22, so that the center of the second positioning part 22 is the center of gravity of the support 2, and the center of gravity of each friction block group is overlapped with the horizontal orthographic projection of the triangle center of gravity formed by the three friction blocks 1.
In this embodiment, the friction block 1 includes a friction portion 11, a first positioning portion 13, and a supporting portion 12 disposed between the friction portion 11 and the first positioning portion 13, where the friction portion 11 is a columnar body, as shown in fig. 2, and the cross section of the columnar body is circular, so that a friction surface where the friction portion 11 contacts the brake disc is also circular, the friction block 1 is disposed on the third mounting portion 21 through the supporting portion 12, a through hole is disposed on the third mounting portion 21, and the first positioning portion 13 penetrates through the through hole and is disposed in the second mounting portion of the brake pad backboard 4.
Further, the support portion 12 includes a convex spherical structure disposed toward the direction of the damper blade back plate 4 and a plate-like structure disposed at the periphery of the convex spherical structure, and the third mounting portion 21 is a concave spherical structure with a shape matching that of the convex spherical structure.
Further, the first positioning portion 13 is of a columnar structure, the outer diameter of the first positioning portion 13 corresponds to the inner diameter of the through hole, a clamping groove is formed in one end, close to the second installation portion, of the first positioning portion 13, and the first positioning portion 13 is arranged in the second installation portion through the clamping groove and the clamp spring 3 clamped on the clamping groove, so that floating connection is achieved.
Example 2
As shown in fig. 5-7, this embodiment provides another specific embodiment of the brake pad for preventing eccentric wear, unlike embodiment 1, the support bracket 2 of the friction assembly includes a third mounting portion 21 and an annular structure disposed at the periphery of the third mounting portion 21, and each corresponding support bracket 2 is provided with a friction block 1, where the vertical section of the annular structure is trapezoidal, and the longer bottom edge of the annular structure forms the second positioning portion 22 of the support bracket 2.
Alternatively, the cross section of the columnar body may be hexagonal, triangular or other shape, and the friction portion 11 may be irregularly shaped.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. A brake pad for preventing eccentric wear, which is arranged on a brake pad support (5), wherein a longitudinal rod (6) is arranged on the brake pad support (5), and the brake pad is characterized in that:
a brake pad backboard (4) arranged on the brake pad support (5);
the friction assembly is arranged on the other side of the brake pad backboard (4) away from the brake pad support (5);
the vertical distance of the horizontal orthographic projection of the whole gravity center of the friction assembly and the axis of the longitudinal rod (6) is 0-3.5mm, the horizontal orthographic projection and the axis of the longitudinal rod (6) are located on the same vertical plane, the horizontal orthographic projection of the whole gravity center of the friction assembly is located on the axis of the longitudinal rod (6), two groups of friction assemblies are arranged on the brake pad backboard (4), the two groups of friction assemblies are symmetrically arranged relative to the center line of the brake pad backboard (4) along the vertical direction, each group of friction assemblies comprises three friction block groups, the horizontal orthographic projection of a connecting line (8) of the gravity centers of the two groups of the friction assemblies coincides with the axis of the longitudinal rod (6), each friction block group comprises a support bracket (2) and three friction blocks (1) arranged on the support bracket (2), and the three friction blocks (1) are arranged in a triangle shape, and the gravity centers of each friction block group coincides with the horizontal orthographic projection of the triangle formed by the three friction blocks (1).
2. The brake pad against eccentric wear according to claim 1, characterized in that the support bracket (2) is an elastic support bracket, so that the support bracket (2) applies a biasing force to the friction block (1) in a direction away from the brake pad back plate (4).
3. The brake pad for preventing eccentric wear according to claim 2, wherein the support bracket (2) comprises three third mounting portions (21) for mounting the friction block (1) and second positioning portions (22) arranged in the middle of the three third mounting portions (21), the support bracket (2) is mounted on the first mounting portion of the brake pad backboard (4) through the second positioning portions (22), and the second positioning portions (22) are of a convex spherical structure arranged towards the bottom end of the brake pad backboard (4).
4. A brake pad against eccentric wear according to claim 3, characterized in that the friction block (1) comprises a friction part (11), a first positioning part (13) and a supporting part (12) arranged between the friction part (11) and the first positioning part (13), the friction block (1) is arranged on the third mounting part (21) through the supporting part (12), a through hole is arranged on the third mounting part (21), and the first positioning part (13) penetrates through the through hole and is arranged in the second mounting part of the brake pad back plate (4).
5. The brake pad against eccentric wear according to claim 4, wherein the support portion (12) includes a convex spherical structure provided toward the brake pad back plate (4) and a plate-like structure provided at a periphery of the convex spherical structure, and the third mounting portion (21) is a concave spherical structure adapted in shape to the convex spherical structure.
6. The brake pad for preventing eccentric wear according to claim 4, wherein the first positioning portion (13) has a columnar structure, the outer diameter of the first positioning portion (13) corresponds to the inner diameter of the through hole, a clamping groove is formed in one end, close to the second mounting portion, of the first positioning portion (13), and the first positioning portion (13) is arranged in the second mounting portion through the clamping groove and a clamping spring (3) clamped on the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423899.2A CN109340280B (en) | 2018-11-26 | 2018-11-26 | Brake pad for preventing eccentric wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423899.2A CN109340280B (en) | 2018-11-26 | 2018-11-26 | Brake pad for preventing eccentric wear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340280A CN109340280A (en) | 2019-02-15 |
| CN109340280B true CN109340280B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811423899.2A Active CN109340280B (en) | 2018-11-26 | 2018-11-26 | Brake pad for preventing eccentric wear |
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| Country | Link |
|---|---|
| CN (1) | CN109340280B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN102261409A (en) * | 2011-04-19 | 2011-11-30 | 铁道部运输局 | Brake pad for high-speed train braking system |
| CN104500628A (en) * | 2014-12-17 | 2015-04-08 | 北京天宜上佳新材料有限公司 | Brake pad |
| CN104912970A (en) * | 2015-05-25 | 2015-09-16 | 湖南博科瑞新材料有限责任公司 | Disk brake pad for railway vehicle |
| CN209196006U (en) * | 2018-11-26 | 2019-08-02 | 北京天宜上佳高新材料股份有限公司 | A kind of brake lining preventing eccentric wear |
-
2018
- 2018-11-26 CN CN201811423899.2A patent/CN109340280B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102261409A (en) * | 2011-04-19 | 2011-11-30 | 铁道部运输局 | Brake pad for high-speed train braking system |
| CN104500628A (en) * | 2014-12-17 | 2015-04-08 | 北京天宜上佳新材料有限公司 | Brake pad |
| CN104912970A (en) * | 2015-05-25 | 2015-09-16 | 湖南博科瑞新材料有限责任公司 | Disk brake pad for railway vehicle |
| CN209196006U (en) * | 2018-11-26 | 2019-08-02 | 北京天宜上佳高新材料股份有限公司 | A kind of brake lining preventing eccentric wear |
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| Publication number | Publication date |
|---|---|
| CN109340280A (en) | 2019-02-15 |
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