CN109915512A - Rivet floatation type brake pad - Google Patents
Rivet floatation type brake pad Download PDFInfo
- Publication number
- CN109915512A CN109915512A CN201711328998.8A CN201711328998A CN109915512A CN 109915512 A CN109915512 A CN 109915512A CN 201711328998 A CN201711328998 A CN 201711328998A CN 109915512 A CN109915512 A CN 109915512A
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- China
- Prior art keywords
- friction block
- support plate
- friction
- rivet
- brake pad
- 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.)
- Pending
Links
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000002783 friction material Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
A kind of riveting floatation type brake pad, including support plate and several friction blocks, between support plate and each friction block by between rivet interlacement and support plate and friction block have flying height；Friction block includes backboard and friction piece, friction block center has the friction block connecting hole being made of friction block large diameter hole and friction block diameter holes, the corresponding position for installing each friction block has the support plate connecting hole and the cyclic spring slot concentric with support plate connecting hole being made of support plate diameter holes and support plate large diameter hole in support plate, elastic element is equipped in each cyclic spring slot, the friction block is hexagon, support plate is combined by left plate and right panel, left plate and right panel splice along the edge of friction block at broken line, the tail portion of rivet is hollow, the tail portion of rivet is in support plate large diameter hole in flange shape.The present invention can effectively prevent friction block and generate eccentric wear, improve the structural stability and safety of brake pad.
Description
Technical field
The present invention relates to riveting floatation type brake pads.
Background technique
The brake pad applied on bullet train at present mostly uses the mode of flat head rivet riveted, i.e. flat head rivet will rub
Block and support plate are connected, and are deformed under a certain pressure thus on the supporting plate by the riveting of friction block tightly.Such brake lining
Structure is widely applied due to easy to operate, but the structure brake lining often occurs more significantly partially in actual use
Phenomenon is ground, shows as wearing away uneven, most fast, the top friction block of friction block abrasion of usual bottom in brake lining vertical direction
Wear away it is most slow, this is because brake pad, in use caused by discontinuity, the service life of brake lining is most fast by wearing away
Friction block determine that the appearance of eccentric wear causes a large amount of wastes of friction material, not only shorten brake pad service life and
Replacement cycle also improves the operation cost of train indirectly.The utility model of Chinese Patent Application No. 201420290137.0 is special
Benefit discloses a kind of rail traffic elastic floating brake pad, including support plate, friction block and elastic element, friction block pass through
The riveting of the side of rivet and support plate, the other side of support plate are equipped with coattail board, elastic element be located at support plate and friction block it
Between, friction block includes friction piece and backboard, and friction piece is fixedly connected with backboard, and the friction piece of friction block is equipped with the first receiving hole,
Support plate is equipped with the second receiving hole, and rivet includes manufactured head, rivet bar and rivet cap, and backboard is equipped with the first riveted holes, support plate
The second riveted holes are equipped with, manufactured head is located in the first receiving hole of friction piece, and rivet bar sequentially passes through the first riveted holes and the
Two riveted holes, rivet cap are located in the second receiving hole of support plate.If it is desired to effectivelying prevent brake pad when contacting with disk
Friction block eccentric wear is generated, then requires to keep certain gap between friction block and support plate, such elastic element can be elastic empty
Between middle deformation, so that friction block is floated on rivet, when the friction block when lower section first contacts brake disc, elastic space has given friction block
One buffer time, upper friction block also can this buffer time sufficiently and brake disc, it is inclined to can effectively prevent friction block
Grind phenomenon.Elastic floating brake pad in above-mentioned Patent Application Publication uses flat head rivet, and flat head rivet needs
Riveting power it is larger, during riveting be easy friction block is rivetted, if riveting power is inadequate, rivet overall deformation is inadequate, and not
It can guarantee the quality of riveting.
Summary of the invention
It is an object of the invention to propose a kind of riveting floatation type brake pad that can effectively prevent friction block and generate eccentric wear.
In order to achieve the above objectives, the present invention adopts the following technical scheme that: the present invention includes support plate and is in support plate
Several friction blocks, the support plate is combined by left plate and right panel, has flying height between support plate and friction block；The riveting
Nail includes riveter, bar portion and tail portion；Friction block includes backboard and friction piece, and friction block center has by friction block large diameter hole and rubs
The step-like friction block connecting hole of cleaning block diameter holes composition, the corresponding position for installing each friction block has by propping up in support plate
The step-like support plate connecting hole and the ring concentric with support plate connecting hole of fagging diameter holes and support plate large diameter hole composition
Shape elastic groove is equipped with elastic element in each cyclic spring slot, passes through support plate company by rivet between support plate and each friction block
Hole is connect to connect with friction block connecting hole, the friction block is that polygon, left plate and right panel splice along the edge of friction block at broken line,
The tail portion of rivet be it is hollow, the head of rivet is in friction block large diameter hole, and the bar portion of rivet is in friction block diameter holes and branch
In fagging diameter holes, the tail portion of rivet is in support plate large diameter hole in flange shape.
Connected between the bar portion and riveter of the rivet by conical surface section, the friction block large diameter hole and friction block diameter holes it
Between connected by friction block taper hole, friction block taper hole is matched with the conical surface section of rivet.
The friction block be powdered metallurgical material friction piece and backboard by compacting sintering at.
The bottom of the friction piece, which has, combines boss, and the corresponding site of backboard has pit, the combination boss of friction piece
It is embedded in the pit of backboard.
The back side of the friction block backboard has 3 positioning convex platforms being angularly distributed around friction block connecting hole, support
The position that positioning convex platform is corresponded on plate is equipped with positioning groove, in the positioning groove of the positioning convex platform insertion support plate on backboard, and
There is flying height between the bottom surface of positioning convex platform and the slot bottom of positioning groove.
The friction block is hexagon.
There is burr and chip clearance between the friction block.
The elastic element is disc spring.
The present invention has following good effect: 1) present invention takes the riveted mode that flange is carried out to tail portion hollow space,
Only have rivet tail portion to deform when riveting, it is convenient that quality after riveted is checked, and flange riveted mode is to adjust to rub
Gap between cleaning block and support plate creates conditions, convenient for going out the riveting in different elastic floating gaps according to different braking pressure design
Binding structure；2) due to that can float according to the stress condition of friction block in braking process elastic element, friction block is adjusted
Contact with brake disc mitigates the generation of friction phenomenon to obtain bigger binding face, improves brake lining braking friction properties
Stability；3) rivet has conical surface section, and friction block has by friction block taper hole, and friction block taper hole is matched with the conical surface section of rivet,
The contact area of rivet and backboard is increased, the rivet pressure that unit area is born in braking process becomes smaller, and improves friction block
The reliability connecting with support plate, the design of such structure can reduce the height of riveter protrusion backboard, improve to a certain extent
Effective abrasion loss of check piece.4) left plate of support plate and right panel splice along the edge of friction block at broken line, in asymmetric shape, energy
Enough areas and volume for increasing friction material to the greatest extent in the support plate of limited areal, to obtain bigger abrasion
Amount, improves the service life of brake lining.
Detailed description of the invention
Fig. 1 is the front elevation of brake pad.
Fig. 2 is the back view of Fig. 1.
Fig. 3 is the front elevation of support plate.
Fig. 4 is the A-A cross-sectional view of Fig. 1.
Fig. 5 is the cross-sectional view of friction block.
Appended drawing reference is as follows: support plate 1, left plate 1-1, right panel 1-2, support plate connecting hole 1-a, support plate diameter holes 1-a-
1, support plate large diameter hole 1-a-2, cyclic spring slot 1-b, positioning groove 1-c, friction block 2, friction piece 2-1, in conjunction with boss 2-1-
1, backboard 2-2, positioning convex platform 2-2-1, friction block connecting hole 2-a, friction block diameter holes 2-a-1, friction block large diameter hole 2-a-2,
Friction block taper hole 2-a-3, rivet 3, riveter 3-1, bar portion 3-2, conical surface section 3-2-1, tail portion 3-3, elastic element 4.
Specific embodiment
Embodiment 1
See that Fig. 1 to Fig. 5, the present embodiment include support plate 1 and several friction blocks 2 in support plate 1.The friction block 2 is
Hexagon has burr and chip clearance E between friction block 2.The support plate 1 is combined by left plate 1-1 and right panel 1-2, left plate 1-1 and the right side
Plate 1-2 is in asymmetric shape at broken line G splicing along the edge of friction block, can be increased to the greatest extent in the support plate of limited areal
Add the quantity of friction block to increase the area and volume of friction material.Friction block 2 includes backboard 2-2 and friction piece 2-1, friction piece
2-1 is powdered metallurgical material, and the bottom of friction piece 2-1, which has, combines boss 2-1-1, and the corresponding site of backboard 2-2 has pit
In the pit 2-a-4 of the combination boss 2-1-1 insertion backboard 2-2 of 2-a-4, friction piece 2-1, in sintering pressing process, Yin Mo
Rub body 2-1 is partially submerged into backboard 2-2, and after sintering, friction piece 2-1 can be combined well with backboard 2-2, due to friction block 2
It not can rotate, the burr and chip clearance E between friction block 2 will not be blocked, conducive to the discharge of abrasive dust.
2 center of friction block has step-like friction block connecting hole 2-a, and the back side of the friction block backboard 2-2 is enclosed
It is equipped with 3 positioning convex platform 2-2-1 being angularly distributed around friction block connecting hole 2-a, each friction block connection is corresponded in support plate 1
Hole 2-a is equipped with step-like support plate connecting hole 1-a, corresponds to 3 positioning convex platform 2-2-1's of each friction block 2 in support plate 1
Position is equipped with positioning groove 1-c, in the positioning groove 1-c of the positioning convex platform 2-2-1 insertion support plate 1 on backboard 2-2, and positions
There is flying height F between the bottom surface of boss 2-2-1 and the slot bottom of positioning groove 1-c.
The rivet 3 includes riveter 3-1, bar portion 3-2 and tail portion 3-3, by boring between the bar portion 3-2 and riveter 3-1 of rivet 3
Face section 3-2-1 connection, tail portion 3-3 are hollow.
The friction block connecting hole 2-a is made of friction block large diameter hole 2-a-2 and friction block diameter holes 2-a-1, friction block
By the 2-a-3 connection of friction block taper hole, friction block taper hole 2-a-3 and rivet between large diameter hole 2-a-2 and friction block diameter holes 2-a-1
3 conical surface section 3-2-1 matching.
The support plate connecting hole 1-a is made of support plate diameter holes 1-a-1 and support plate large diameter hole 1-a-2, support plate 1
It is equipped in cyclic spring the slot 1-b, each cyclic spring slot 1-b concentric with support plate connecting hole 1-a and is equipped with elastic element 4, bullet
Property element 4 be disc spring.
The head 3-1 of above-mentioned rivet 3 is in friction block large diameter hole 2-a-2, and it is small that the bar portion 3-2 of rivet 3 is in friction block
In diameter hole 2-a-1 and support plate diameter holes 1-a-1, the conical surface section 3-2-1 of the bar portion 3-2 of rivet 3 is in friction block taper hole 2-a-3
In, the tail portion 3-3 of rivet 3 is in support plate large diameter hole 1-a-2 in flange shape.
The present invention can effectively prevent friction block and generate eccentric wear, improve the structural stability and safety of brake pad.
Claims (8)
1. a kind of riveting floatation type brake pad, several friction blocks (2) including support plate (1) and on support plate (1), institute
It states support plate (1) to be combined by left plate (1-1) and right panel (1-2), there is flying height between support plate (1) and friction block (2)
(F)；The rivet (3) includes riveter (3-1), bar portion (3-2) and tail portion (3-3)；Friction block (2) includes backboard (2-2) and rubs
Rub body (2-1), friction block (2) center have the rank being made of friction block large diameter hole (2-a-2) and friction block diameter holes (2-a-1)
Trapezoidal friction block connecting hole (2-a), the corresponding position for installing each friction block (2) has small by support plate in support plate (1)
The step-like support plate connecting hole (1-a) and connect with support plate that diameter hole (1-a-1) and support plate large diameter hole (1-a-2) form
Connect the concentric cyclic spring slot (1-b) in hole (1-a), be equipped with elastic element (4) in each cyclic spring slot (1-b), support plate (1) with
It is connected by rivet (3) by support plate connecting hole (1-a) and friction block connecting hole (2-a) between each friction block (2), feature
Be: the friction block (2) is that polygon, left plate (1-1) and right panel (1-2) splice along the edge of friction block at broken line (G), riveting
Follow closely (3) tail portion (3-3) be it is hollow, the head (3-1) of rivet (3) is in friction block large diameter hole (2-a-2), rivet (3)
Bar portion (3-2) is in friction block diameter holes (2-a-1) and support plate diameter holes (1-a-1), and the tail portion (3-3) of rivet (3) is in
Flange shape is in support plate large diameter hole (1-a-2).
2. riveting floatation type brake pad according to claim 1, it is characterised in that: the bar portion (3-2) of the rivet (3)
It is connect between riveter (3-1) by conical surface section (3-2-1), the friction block large diameter hole (2-a-2) and friction block diameter holes (2-a-
1) it is connected between by friction block taper hole (2-a-3), friction block taper hole (2-a-3) is matched with the conical surface section (3-2-1) of rivet (3).
3. riveting floatation type brake pad according to claim 1, it is characterised in that: the friction block (2) is powder smelting
Golden material friction body (2-1) and backboard (2-2) by compacting sintering at.
4. riveting floatation type brake pad according to claim 3, it is characterised in that: the bottom of the friction piece (2-1)
With boss (2-1-1) is combined, the corresponding site of backboard (2-2) has pit (2-a-4), the combination boss of friction piece (2-1)
(2-1-1) is embedded in the pit (2-a-4) of backboard (2-2).
5. riveting floatation type brake pad according to claim 3, it is characterised in that: the friction block backboard (2-2)
The back side has 3 positioning convex platforms (2-2-1) being angularly distributed around friction block connecting hole (2-a), and it is fixed to correspond in support plate (1)
The position of position boss (2-2-1) is equipped with positioning groove (1-c), and the positioning convex platform (2-2-1) on backboard (2-2) is embedded in support plate
(1) have between floating in positioning groove (1-c), and between the bottom surface of positioning convex platform (2-2-1) and the slot bottom of positioning groove (1-c)
Gap (F).
6. riveting floatation type brake pad according to claim 1, it is characterised in that: the friction block (2) is hexagon.
7. riveting floatation type brake pad according to claim 1, it is characterised in that: have between the friction block (2)
Burr and chip clearance (E).
8. riveting floatation type brake pad according to claim 1, it is characterised in that: the elastic element (4) is disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328998.8A CN109915512A (en) | 2017-12-13 | 2017-12-13 | Rivet floatation type brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328998.8A CN109915512A (en) | 2017-12-13 | 2017-12-13 | Rivet floatation type brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109915512A true CN109915512A (en) | 2019-06-21 |
Family
ID=66958679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711328998.8A Pending CN109915512A (en) | 2017-12-13 | 2017-12-13 | Rivet floatation type brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109915512A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075871A (en) * | 2020-01-07 | 2020-04-28 | 湖南城际科技有限公司 | Powder metallurgy brake pad for train |
| CN113446340A (en) * | 2021-07-09 | 2021-09-28 | 永康市海力实业有限公司 | Enhanced coil spring of pipe coiling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203796812U (en) * | 2014-03-11 | 2014-08-27 | 北京天宜上佳新材料有限公司 | Brake pad |
| CN204004095U (en) * | 2014-06-03 | 2014-12-10 | 常州南车铁马科技实业有限公司 | Track traffic elastic floating brake pad |
| CN204004093U (en) * | 2014-06-03 | 2014-12-10 | 常州南车铁马科技实业有限公司 | The universal brake pad of dovetail |
| CN105290296A (en) * | 2015-10-23 | 2016-02-03 | 常州南车铁马科技实业有限公司 | Train braking pad riveting device |
| 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 |
| CN105952828A (en) * | 2016-06-30 | 2016-09-21 | 北京北摩高科摩擦材料有限责任公司 | Elastic adjustment type brake pad used for train |
| CN205806293U (en) * | 2016-06-30 | 2016-12-14 | 北京北摩高科摩擦材料有限责任公司 | A kind of train elastic adjusting type brake pad |
| CN206221541U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | Train floats brake lining |
| CN206221552U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | A kind of brake pad |
| CN208311336U (en) * | 2017-12-13 | 2019-01-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of riveting floatation type brake pad |
-
2017
- 2017-12-13 CN CN201711328998.8A patent/CN109915512A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203796812U (en) * | 2014-03-11 | 2014-08-27 | 北京天宜上佳新材料有限公司 | Brake pad |
| CN204004095U (en) * | 2014-06-03 | 2014-12-10 | 常州南车铁马科技实业有限公司 | Track traffic elastic floating brake pad |
| CN204004093U (en) * | 2014-06-03 | 2014-12-10 | 常州南车铁马科技实业有限公司 | The universal brake pad of dovetail |
| 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 |
| CN105290296A (en) * | 2015-10-23 | 2016-02-03 | 常州南车铁马科技实业有限公司 | Train braking pad riveting device |
| CN105952828A (en) * | 2016-06-30 | 2016-09-21 | 北京北摩高科摩擦材料有限责任公司 | Elastic adjustment type brake pad used for train |
| CN205806293U (en) * | 2016-06-30 | 2016-12-14 | 北京北摩高科摩擦材料有限责任公司 | A kind of train elastic adjusting type brake pad |
| CN206221541U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | Train floats brake lining |
| CN206221552U (en) * | 2016-11-30 | 2017-06-06 | 北京天宜上佳新材料股份有限公司 | A kind of brake pad |
| CN208311336U (en) * | 2017-12-13 | 2019-01-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of riveting floatation type brake pad |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075871A (en) * | 2020-01-07 | 2020-04-28 | 湖南城际科技有限公司 | Powder metallurgy brake pad for train |
| CN113446340A (en) * | 2021-07-09 | 2021-09-28 | 永康市海力实业有限公司 | Enhanced coil spring of pipe coiling device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information |
Country or region after: China Address after: No. 258 Wuyi Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213011 Applicant after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: No. 258 Wuyi Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213011 Applicant before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Country or region before: China |