CN208311336U - A kind of riveting floatation type brake pad - Google Patents
A kind of riveting floatation type brake pad Download PDFInfo
- Publication number
- CN208311336U CN208311336U CN201721740863.8U CN201721740863U CN208311336U CN 208311336 U CN208311336 U CN 208311336U CN 201721740863 U CN201721740863 U CN 201721740863U CN 208311336 U CN208311336 U CN 208311336U
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- Prior art keywords
- friction block
- support plate
- friction
- rivet
- brake pad
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- 125000004122 cyclic group Chemical group 0.000 claims abstract description 9
- 238000007667 floating Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000007306 turnover Effects 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
- 239000000428 dust Substances 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 utility model can effectively prevent friction block and generate eccentric wear, improve the structural stability and safety of brake pad.
Description
Technical field
The utility model relates to rivet floatation type brake pad.
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
The purpose of this utility model is that proposing a kind of floating type braking of riveting that can effectively prevent friction block and generate eccentric wear
Brake lining.
In order to achieve the above objectives, the utility model adopts the following technical scheme: the utility model includes support plate and is in
Several friction blocks in support plate, the support plate are combined by left plate and right panel, are had between floating between support plate and friction block
Gap；Rivet includes riveter, bar portion and tail portion；Friction block includes backboard and friction piece, and friction block center has by friction block major diameter
The step-like friction block connecting hole in hole and friction block diameter holes composition, the corresponding position tool for installing each friction block in support plate
It is same by the step-like support plate connecting hole being made of support plate diameter holes and support plate large diameter hole and with support plate connecting hole
The cyclic spring slot of the heart is equipped with elastic element in each cyclic spring slot, passes through branch by rivet between support plate and each friction block
Fagging connecting hole is connected with friction block connecting hole, and the friction block is for polygon, left plate and right panel along the edge of friction block at folding
Splicing, the tail portion of rivet be it is hollow, the riveter of rivet is in friction block large diameter hole, and the bar portion of rivet is in friction block path
In hole and support plate 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 utility model has following good effect: 1) the utility model takes the riveting that flange is carried out to tail portion hollow space
Conjunction mode, when riveting, only have rivet tail portion to deform, convenient to check the quality after riveted, and flange riveted mode is
The gap adjusted between friction block and support plate creates conditions, convenient for being gone out between different elastic floatings according to different braking pressure design
The riveted structure of gap；2) it due to that can be floated according to the stress condition of friction block in braking process elastic element, adjusts
Contact of the friction block with brake disc mitigates the generation of friction phenomenon to obtain bigger binding face, improves brake lining drag friction
The stability of performance；3) rivet has conical surface section, and friction block has by friction block taper hole, the conical surface section of friction block taper hole and rivet
Matching increases the contact area of rivet and backboard, and the rivet pressure that unit area is born in braking process becomes smaller, and raising rubs
The reliability that cleaning block is connect with support plate, the design of such structure can reduce the height of riveter protrusion backboard, to a certain extent
Improve 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 asymmetry
Shape can increase to the greatest extent the area and volume of friction material in the support plate of limited areal, to obtain bigger
Abrasion loss 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 be 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
Splice at broken line G in asymmetric shape with right panel 1-2 along the edge of friction block, it can be in the support plate of limited areal utmostly
Increase friction block quantity to increase the area and volume of friction material.Friction block 2 includes backboard 2-2 and friction piece 2-1, is rubbed
Rub body 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
In the pit 2-a-4 of the combination boss 2-1-1 insertion backboard 2-2 of pit 2-a-4, friction piece 2-1, in sintering pressing process,
Because friction piece 2-1 is partially submerged into backboard 2-2, after sintering, friction piece 2-1 can be combined well with backboard 2-2, due to friction
Block 2 not can rotate, and 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.
Rivet 3 includes riveter 3-1, bar portion 3-2 and tail portion 3-3, by conical surface section between the bar portion 3-2 and riveter 3-1 of rivet 3
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 riveter 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 utility model 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)；Rivet (3) includes riveter (3-1), bar portion (3-2) and tail portion (3-3)；Friction block (2) includes backboard (2-2) and friction piece
(2-1), friction block (2) center have the stairstepping being made of friction block large diameter hole (2-a-2) and friction block diameter holes (2-a-1)
Friction block connecting hole (2-a), the corresponding position for installing each friction block (2) has by support plate diameter holes in support plate (1)
(1-a-1) and support plate large diameter hole (1-a-2) composition step-like support plate connecting hole (1-a) and with support plate connecting hole
(1-a) concentric cyclic spring slot (1-b) is equipped with elastic element (4) in each cyclic spring slot (1-b), support plate (1) with respectively rub
It is connected by rivet (3) by support plate connecting hole (1-a) and friction block connecting hole (2-a) between cleaning block (2), feature exists
In: the friction block (2) is spliced along the edge of friction block at broken line (G) for polygon, left plate (1-1) and right panel (1-2), rivet
(3) tail portion (3-3) be it is hollow, the riveter (3-1) of rivet (3) is in friction block large diameter hole (2-a-2), the bar of rivet (3)
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 turn over
Side 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 |
|---|---|---|---|
| CN201721740863.8U CN208311336U (en) | 2017-12-13 | 2017-12-13 | A kind of riveting floatation type brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740863.8U CN208311336U (en) | 2017-12-13 | 2017-12-13 | A kind of riveting floatation type brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311336U true CN208311336U (en) | 2019-01-01 |
Family
ID=64731409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721740863.8U Active CN208311336U (en) | 2017-12-13 | 2017-12-13 | A kind of riveting floatation type brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915512A (en) * | 2017-12-13 | 2019-06-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | Rivet floatation type brake pad |
-
2017
- 2017-12-13 CN CN201721740863.8U patent/CN208311336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915512A (en) * | 2017-12-13 | 2019-06-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | Rivet floatation type brake pad |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 258 Wuyi Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213011 Patentee 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 Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |