CN110296167B - Powder metallurgy brake pad for arc triangle-shaped high-speed motor train unit - Google Patents
Powder metallurgy brake pad for arc triangle-shaped high-speed motor train unit Download PDFInfo
- Publication number
- CN110296167B CN110296167B CN201910645106.XA CN201910645106A CN110296167B CN 110296167 B CN110296167 B CN 110296167B CN 201910645106 A CN201910645106 A CN 201910645106A CN 110296167 B CN110296167 B CN 110296167B
- Authority
- CN
- China
- Prior art keywords
- friction
- brake pad
- powder metallurgy
- arc triangle
- steel back
- 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
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 24
- 241000357293 Leptobrama muelleri Species 0.000 claims abstract description 33
- 241000271559 Dromaiidae Species 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000008092 positive effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
-
- 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
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
-
- 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
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
-
- 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
- F16D69/04—Attachment of linings
-
- 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
- F16D2065/788—Internal cooling channels
-
- 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
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a powder metallurgy brake pad for an arc triangle-shaped high-speed motor train unit, which comprises a steel back and friction blocks arranged on the steel back, wherein the friction blocks are in the shape of straight edges of arc triangle-shaped strips, and the arrangement quantity of the friction blocks on the brake pad is sequentially increased from an inner ring to an outer ring. Compared with the prior art, the invention has the following positive effects: 1. the unique structure with the round hole in the middle of the arc triangle has larger total side area compared with other structures, has good heat dissipation effect and can effectively reduce the braking temperature; 2. the friction blocks are reasonably arranged, so that compared with other arrangement modes, the temperature difference of friction bodies of the inner ring and the outer ring is more uniform, and the consistency of the abrasion conditions of the friction blocks of the inner ring and the outer ring is better; 3. the reasonable design of the gap between the friction block and the steel back solves the problem of skeleton deformation caused by too high braking temperature under severe working conditions; 4. the two straight edges of the friction block and the anti-rotation boss are designed to effectively limit the rotation of the friction block, so that the reliability of the friction block in the use process is improved.
Description
Technical Field
The invention relates to a powder metallurgy brake pad for a high-speed motor train unit in an arc triangle shape.
Background
The powder metallurgy brake pad is used as an important component of a train braking system of the motor train unit, and influences the safety, stability and comfort of the running of the motor train unit train. Along with the continuous promotion of EMUs train operation speed, constantly improve each item performance requirement to the powder metallurgy brake pad, the following problem frequently appears in the powder metallurgy brake pad braking process:
1. the temperature of the friction body on the brake pad is high, heat fading is accelerated, and the friction performance is reduced;
2. The friction body temperature difference of the inner ring and the outer ring of the brake pad is large, so that the abrasion condition difference of each friction body is large;
3. the framework of the friction block is easy to deform in the long-term service process, so that the brake pad is invalid in braking;
4. The friction block rotates in the braking process, so that the friction performance of the friction block is affected, and the impact vibration performance of the friction block is reduced.
5. The friction block is easy to incline due to large braking force in the use process, so that the friction block is seriously worn.
Therefore, the structure of the powder metallurgy brake pad needs to be optimized to solve the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the powder metallurgy brake pad for the high-speed motor train unit in an arc triangle shape.
The technical scheme adopted by the invention is as follows: the utility model provides a powder metallurgy brake pad for high-speed EMUs of arc triangle-shaped, includes the steel backing and sets up the clutch blocks on the steel backing, the clutch blocks is the shape of arc triangle-shaped area straight flange, the quantity of arranging of clutch blocks on the brake pad increases in proper order from inner circle to outer lane.
Further, the friction blocks are distributed on the steel back along an arc line from the inner ring to the outer ring and are distributed in 3 layers, and the distribution number is 2, 3 and 4 from the inner ring to the outer ring in sequence.
Further, a special-shaped anti-rotation boss is arranged on the steel back and is matched with the edge of the friction block.
Further, the friction block is formed by combining and pressing a friction body and a base, each angle of the friction body is composed of an arc edge with the radius of 50-55mm and an arc edge with the radius of 10-12mm, one angle is provided with anti-rotation straight edges with the length of 20-22mm, which are symmetrically arranged, and a round hole is formed in the center of the friction body.
Further, the diameter of the round hole is 10-12mm, and the base is formed by interference fit of a locating pin and a framework.
Still further the front of steel backing sets up the belleville spring mounting hole, sets up the belleville spring in the belleville spring mounting hole the back of steel backing set up with the endocentric jump ring mounting hole of belleville spring mounting hole, set up the jump ring in the jump ring mounting hole, the locating pin passes the belleville spring and stretches into in the jump ring mounting hole, the jump ring cooperates with the jump ring draw-in groove on the locating pin, fixes the clutch block on the steel backing.
Further, the depth of the disc spring mounting hole is 1mm-2mm, and the depth of the clamp spring mounting hole is 4-5mm.
Further, a spherical surface is arranged on the framework, the spherical surface is in contact with the inner ring of the belleville spring, and a floating gap is formed between the framework and the steel back.
Further, the radius of the sphere is 11-13mm, and the height is 4-6mm.
Still further, the floating gap is 0.8-1.2mm.
Compared with the prior art, the invention has the following positive effects:
1. The unique structure with the round hole in the middle of the arc triangle has larger total side area compared with other structures, has good heat dissipation effect and can effectively reduce the braking temperature;
2. The friction blocks are reasonably arranged, so that compared with other arrangement modes, the temperature difference of friction bodies of the inner ring and the outer ring is more uniform, and the consistency of the abrasion conditions of the friction blocks of the inner ring and the outer ring is better;
3. the reasonable design of the gap between the friction block and the steel back solves the problem of skeleton deformation caused by too high braking temperature under severe working conditions;
4. The two straight edges of the friction block and the anti-rotation boss are designed to effectively limit the rotation of the friction block, so that the reliability of the friction block in the use process is improved.
5. The powder metallurgy brake pad for the high-speed motor train unit has good use effect and long service life.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a powder metallurgy brake pad for a high-speed motor train unit in an arc triangle shape;
FIG. 2 is a schematic view of the structure of the friction block of the present invention;
FIG. 3 is a schematic view of the friction block base of the present invention;
FIG. 4 is a cross-sectional view of A-A of the steel back of the present invention;
FIG. 5 is a plan view of the powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape of the present invention;
FIG. 6 is a schematic view of the structure of the friction body of the present invention;
FIG. 7 is a schematic view of the structure of the locating pin of the present invention;
Fig. 8 is a schematic structural view of the skeleton of the present invention.
Detailed Description
A powder metallurgy brake pad for a high-speed motor train unit in an arc triangle shape, as shown in fig. 1 to 8, comprising: the steel back 1, the clamp spring 2, the disc spring 3, the friction block 4, the friction body 5, the base 6, the locating pin 7, the framework 8, the clamp spring mounting hole 9, the disc spring mounting hole 10, the anti-rotation boss 11, the anti-rotation boss 12, the round hole 13, the clamp spring clamping groove 14, the spherical surface 15 and the like. Wherein:
as shown in fig. 1, the powder metallurgy brake pad for the high-speed train consists of a steel back 1, a plurality of clamp springs 2, a plurality of belleville springs 3 and a plurality of friction blocks 4.
As shown in fig. 4 and 5, the steel back 1 is provided with a clamp spring mounting hole 9, a belleville spring mounting hole 10, an anti-rotation boss 11 and an anti-rotation boss 12. The disc spring mounting hole 10 is a circular counter bore with the depth of 1mm-2mm and is arranged on one surface of the steel back 1 close to the friction block 4; the clamp spring mounting hole 9 is a circular counter bore with the depth of 4-5mm and is arranged on the back surface of the disc spring mounting hole 10 and is concentric with the disc spring mounting hole 10; the friction blocks 4 are distributed on the steel back 1 along an arc line from the inner ring to the outer ring and are distributed in 3 layers, and the distribution quantity is sequentially 2, 3 and 4 from the inner ring to the outer ring; the steel back 1 is provided with an anti-rotation boss 11 and an anti-rotation boss 12 which are respectively matched with the edges of the 4 friction blocks 4 to control the rotation amount (as shown in fig. 5 and 6, the two side surfaces of the anti-rotation boss 11 are respectively contacted with the anti-rotation straight edge of one friction body and the arc triangle angle of the other friction body, the two side surfaces of the anti-rotation boss 12 are respectively contacted with the anti-rotation straight edges of the two friction bodies), and the other friction blocks 4 are matched with the anti-rotation straight edges of the other friction blocks to control the rotation amount.
As shown in fig. 2, the friction block 4 is formed by pressing a friction body 5 and a base 6.
As shown in fig. 3, the base 6 is formed by interference fit of the locating pin 7 and the framework 8.
As shown in FIG. 6, the friction body 5 is composed of 3 circular arc edges R1 with the radius of 50-55mm, 3 circular arc edges R2 with the radius of 10-12mm, 2 anti-rotation straight edges L1 with the length of 20-22mm and 1 central round hole 12 with the diameter of 10-12 mm. The special arc triangle structure with the two anti-rotation edges ensures the maximization of the side area of the friction body and improves the heat dissipation performance of the friction body. Meanwhile, the design of the two anti-rotation straight edges can also control the rotation of the friction body.
As shown in fig. 7, the positioning pin 7 is provided with a snap spring clamping groove 14.
As shown in fig. 8, the framework 8 is provided with a spherical surface 15 with the radius of 11-13mm and the height of 4-6mm, when in use, the spherical surface 15 is contacted with the inner ring of the disc spring 3, and the floating adjustment function during the braking of the friction block can be realized by the assembly mode of the spherical surface and the disc spring, so that the eccentric wear phenomenon caused by the inclination of the friction block is avoided. The floating clearance between the framework 8 and the steel back 1 is 0.8-1.2mm, and in the braking process, when the floating adjustment quantity is equal to the floating clearance between the framework 8 and the steel back 1, the framework 8 is in contact with the steel back 1, and at the moment, the framework is supported by the steel back, so that the problem of framework deformation can be solved.
During assembly, the disc springs 3 are placed in the disc spring mounting holes 10 of the steel backs 1, the friction blocks 4 are placed on the disc springs 3, the positioning pins 7 of the friction blocks 4 penetrate through the disc springs 3 and extend into the clamp spring mounting holes 9 on the back of the steel backs 1, the clamp springs 2 are placed in the clamp spring mounting holes 9 of the steel backs 1 to be matched with the clamp spring clamping grooves 14 on the positioning pins 7, and the friction blocks 4 are fixed on the steel backs 1.
The working principle of the invention is as follows:
1. Compared with other common friction block structures, the unique friction block 4 structure design with the arc triangle belt anti-rotation edge has the advantages that the side area of the friction body is larger, and the heat dissipation performance is better. The design of the round hole 13 in the center of the friction body 5 is also beneficial to heat dissipation and chip removal of the friction body 5, so that the problem of overhigh temperature of the friction body is effectively solved;
2. According to the characteristic that the linear speeds of the friction surfaces of the inner ring and the outer ring of the brake pad are different, the arrangement of the friction blocks is reasonably designed, the arrangement quantity of the friction blocks 4 from the inner ring to the outer ring is sequentially increased, so that the friction blocks of the inner ring and the outer ring are heated more uniformly, and the problem of large temperature difference between the friction blocks of the inner ring and the outer ring is effectively solved;
3. According to the invention, the floating gaps among the friction block framework 8, the disc springs 3 and the steel back 1 are optimally designed, so that the support of the steel back to the friction block framework is increased. When the brake pad is stressed, the belleville springs are stressed to deform and float, and the friction block framework is supported by the steel back, so that the problem of framework deformation is effectively solved;
4. The unique friction block structure design with two anti-rotation straight sides and the anti-rotation bosses 11 and 12 of the arc triangle belt effectively limit the rotation of the friction block 4 in the braking process, and solve the problem of the rotation of the friction block;
5. The invention adopts the design that the spherical surface 15 of the friction block framework 8 is contacted with the disc spring 3, so that the friction block 4 can float in a certain range, the effect of automatically adjusting the working surface of the friction block 4 is achieved, the working surface of the friction block 4 can be better attached to a brake disc, and the problem of eccentric wear of the friction block 4 is effectively solved.
Claims (9)
1. The utility model provides a powder metallurgy brake block for high-speed EMUs of arc triangle shape which characterized in that: the brake pad comprises a steel back and friction blocks arranged on the steel back, wherein the friction blocks are in the shape of straight edges of arc triangles, and the number of the friction blocks arranged on the brake pad is increased from an inner ring to an outer ring in sequence; a first anti-rotation boss and a second anti-rotation boss are arranged on the steel back; each angle of the friction body is formed by combining and pressing a friction body and a base, the radius of each angle of the friction body is 50-55mm, the radius of each angle is 10-12mm, and one angle is provided with anti-rotation straight edges which are symmetrically arranged and have the length of 20-22 mm; the two side surfaces of the first rotation preventing boss are respectively contacted with the rotation preventing edge of one friction body and the arc triangle angle of the other friction body, the two side surfaces of the second rotation preventing boss are respectively contacted with the rotation preventing edges of the two friction bodies, and the rotation amount of the other friction blocks is controlled by means of the mutual rotation preventing edges in a matched mode.
2. The powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape according to claim 1, wherein: the friction blocks are distributed on the steel back along an arc line from the inner ring to the outer ring and are distributed in 3 layers, and the distribution number is 2, 3 and 4 from the inner ring to the outer ring in sequence.
3. The powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape according to claim 1, wherein: a round hole is arranged in the center of the friction body.
4. The powder metallurgy brake pad for a high-speed motor train unit in an arc triangle shape according to claim 3, wherein: the diameter of the round hole is 10-12mm, and the base is formed by interference fit of a locating pin and a framework.
5. The powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape, which is characterized in that: the front of the steel back is provided with a disc spring mounting hole, a disc spring is arranged in the disc spring mounting hole, the back of the steel back is provided with a clamp spring mounting hole concentric with the disc spring mounting hole, a clamp spring is arranged in the clamp spring mounting hole, the locating pin penetrates through the disc spring to extend into the clamp spring mounting hole, and the clamp spring is matched with a clamp spring clamping groove on the locating pin to fix the friction block on the steel back.
6. The powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape, which is characterized in that: the depth of the disc spring mounting hole is 1mm-2mm, and the depth of the clamp spring mounting hole is 4-5mm.
7. The powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape, which is characterized in that: the framework is provided with a spherical surface, the spherical surface is contacted with the inner ring of the belleville spring, and a floating gap is formed between the framework and the steel back.
8. The powder metallurgy brake pad for the high-speed motor train unit in the arc triangle shape, which is characterized in that: the radius of the spherical surface is 11-13mm, and the height is 4-6mm.
9. The arc triangle shaped powder metallurgy brake pad for a high-speed motor train unit according to claim 8, wherein: the floating gap is 0.8-1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645106.XA CN110296167B (en) | 2019-07-17 | 2019-07-17 | Powder metallurgy brake pad for arc triangle-shaped high-speed motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645106.XA CN110296167B (en) | 2019-07-17 | 2019-07-17 | Powder metallurgy brake pad for arc triangle-shaped high-speed motor train unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110296167A CN110296167A (en) | 2019-10-01 |
| CN110296167B true CN110296167B (en) | 2024-09-13 |
Family
ID=68031326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910645106.XA Active CN110296167B (en) | 2019-07-17 | 2019-07-17 | Powder metallurgy brake pad for arc triangle-shaped high-speed motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110296167B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059182A (en) * | 2019-12-27 | 2020-04-24 | 北京北摩高科摩擦材料股份有限公司 | Improved brake pad for high-speed train |
| CN111677791A (en) * | 2020-06-18 | 2020-09-18 | 沈阳远程摩擦密封材料有限公司 | Carbon ceramic material brake pad for 200KMh speed grade power concentrated motor vehicle |
| CN113564406A (en) * | 2021-06-23 | 2021-10-29 | 中铁隆昌铁路器材有限公司 | High-melting-point alloy reinforced copper-based powder metallurgy friction material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112014000699T5 (en) * | 2013-02-06 | 2015-10-15 | Beijing Tianyishangjia New Material Co., Ltd | In case of rain and snow, applicable floating brake pad |
| CN205371418U (en) * | 2016-01-22 | 2016-07-06 | 上海弗置新材料科技有限公司 | High -speed railway is powder metallurgy brake lining for EMUs |
| CN109322949A (en) * | 2018-10-10 | 2019-02-12 | 北京瑞斯福高新科技股份有限公司 | A kind of dovetail steel back integral type standard EMU powder metallurgy brake pad |
| CN210715668U (en) * | 2019-07-17 | 2020-06-09 | 中铁隆昌铁路器材有限公司 | Arc triangle-shaped's high-speed powder metallurgy brake lining for EMUs |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455104A (en) * | 2014-12-17 | 2015-03-25 | 北京天宜上佳新材料有限公司 | Floating type brake pad |
| CN205025982U (en) * | 2015-08-27 | 2016-02-10 | 北京浦然轨道交通科技有限公司 | Floating whole brake pad |
| CN206377190U (en) * | 2016-12-30 | 2017-08-04 | 北京瑞斯福高新科技股份有限公司 | The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 |
| CN207229632U (en) * | 2017-09-29 | 2018-04-13 | 北京天宜上佳新材料股份有限公司 | A kind of floating type brake lining |
| KR102040635B1 (en) * | 2017-12-29 | 2019-11-06 | 상신브레이크 주식회사 | A brake pad assembly of a vehicle |
| CN208417335U (en) * | 2018-06-07 | 2019-01-22 | 北京天仁道和新材料有限公司 | A kind of split type brake lining with self-locking structure |
-
2019
- 2019-07-17 CN CN201910645106.XA patent/CN110296167B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112014000699T5 (en) * | 2013-02-06 | 2015-10-15 | Beijing Tianyishangjia New Material Co., Ltd | In case of rain and snow, applicable floating brake pad |
| CN205371418U (en) * | 2016-01-22 | 2016-07-06 | 上海弗置新材料科技有限公司 | High -speed railway is powder metallurgy brake lining for EMUs |
| CN109322949A (en) * | 2018-10-10 | 2019-02-12 | 北京瑞斯福高新科技股份有限公司 | A kind of dovetail steel back integral type standard EMU powder metallurgy brake pad |
| CN210715668U (en) * | 2019-07-17 | 2020-06-09 | 中铁隆昌铁路器材有限公司 | Arc triangle-shaped's high-speed powder metallurgy brake lining for EMUs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110296167A (en) | 2019-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110296167B (en) | Powder metallurgy brake pad for arc triangle-shaped high-speed motor train unit | |
| CN101975234B (en) | Train brake lining with adjuster | |
| EP3361117B1 (en) | Elastic adjustable brake pad for use in train | |
| CN210715668U (en) | Arc triangle-shaped's high-speed powder metallurgy brake lining for EMUs | |
| CN205025982U (en) | Floating whole brake pad | |
| JP2012251597A (en) | Brake lining for railway vehicle and disc brake equipped with same | |
| CN204610642U (en) | A kind of high-speed track passenger car powder metallurgy brake pad | |
| CN201836269U (en) | Train brake lining with adjuster | |
| CN204226509U (en) | A kind of Novel powder metallurgy brake lining | |
| CN110273954A (en) | A kind of motor train unit train powder metallurgy brake pad | |
| CN102384195B (en) | Combined floating-type damper brake | |
| CN211975716U (en) | Powder metallurgy brake pad for motor train unit | |
| CN104482079B (en) | A kind of independent brake pad brake pad | |
| CN216951417U (en) | Floating type motor train unit brake pad | |
| CN212272884U (en) | Powder metallurgy brake pad for high-cold high-temperature motor train unit | |
| CN210715678U (en) | Powder metallurgy brake pad for motor train unit train | |
| CN102537158A (en) | Mounting structure for powder metallurgy brake pad of high-speed train | |
| CN216867377U (en) | Self-adjusting brake pad for motor train unit | |
| CN211574097U (en) | Powder metallurgy brake pad for motor train unit | |
| CN204921783U (en) | Unsteady arresting gear of detachable second grade for high speed train | |
| CN210440501U (en) | Back plate of brake pad of high-speed train | |
| CN214698918U (en) | Train brake pad | |
| CN214838051U (en) | Brake pad of high-speed motor train unit | |
| CN221423755U (en) | Dovetail type powder metallurgy brake pad for high-speed motor train unit | |
| CN201818682U (en) | High-speed train powder metallurgy brake pad installing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |