CN206377190U - The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 - Google Patents
The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 Download PDFInfo
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- CN206377190U CN206377190U CN201621478794.3U CN201621478794U CN206377190U CN 206377190 U CN206377190 U CN 206377190U CN 201621478794 U CN201621478794 U CN 201621478794U CN 206377190 U CN206377190 U CN 206377190U
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Abstract
The utility model discloses a kind of kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250, including：Swallow-tail form steel back, N number of brake lining friction plate and N number of butterfly jump ring；Each brake lining friction plate is triangular structure, an alignment pin is equipped with each vertex position, the length of two of which alignment pin and swallow-tail form steel back consistency of thickness, a remaining alignment pin length are more than swallow-tail form steel back thickness, and are additionally provided with a groove on part；Swallow-tail form steel back is provided with 3N positioning hole, brake lining friction plate is straggly to be distributed in the swallow-tail form steel back, the alignment pin of each brake lining friction plate is stretched into the swallow-tail form steel back in corresponding positioning hole, and the alignment pin and butterfly jump ring for being provided with groove coordinate clamping.The brake lining, can effectively adjust brake lining deformation, and abrasion is uniform, and braking is stable, and service life is long, and during with replacing the characteristics of convenient disassembly, and it is high using the brake strip intensity of triangle, it can effectively suppress chip off-falling phenomenon of being worn and torn in use.
Description
Technical field
The utility model is related to train braking technical field, more particularly to a kind of dovetail steel back integral type speed per hour 160~250
Kilometer motor vehicle group powder metallurgy brake pad.
Background technology
At present, existing EMUs vehicle is used for powder metallurgy brake pad of the speed per hour in 160-250km/h, its dovetail and steel back
Split-type structural is used mostly and dovetail and steel back are riveted together using riveting process, and brake strip is also used with steel back
Riveting process is connected, its complex process, and after abrasion to limit, brake strip is difficult to dismantle, extremely inconvenient, and steel back and friction
Adjustment amount very close to each other between body, when brake lining is by the contact from disc rotation, it is impossible to reach maximum area
Laminating, in turn result in contact surface discontinuity, and influence braking ability stability, and cannot ensure the heat that friction is produced
It can uniformly be spread in brake pad, directly result in the local overload overheat of rubbing surface, and then cause brake lining surface to produce hot tearing
Line.In addition, contact surface it is uneven also can accelerated wear test percussion movement and increase material abrasion.
Utility model content
The purpose of this utility model is to provide a kind of kilometer motor vehicle group powder of dovetail steel back integral type speed per hour 160~250
Metallurgical brake lining, can effectively adjust brake lining deformation, and abrasion is uniform, and braking is stable, and service life is long, and with dismounting side when changing
Just the characteristics of, and it is high using the brake strip intensity of triangle, it can effectively suppress chip off-falling phenomenon of being worn and torn in use.
The purpose of this utility model is achieved through the following technical solutions：
A kind of kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250, including：Swallow-tail form steel
The back of the body, N number of brake lining friction plate and N number of butterfly jump ring；
Each brake lining friction plate is triangular structure, an alignment pin is equipped with each vertex position, wherein two
The length of individual alignment pin and swallow-tail form steel back consistency of thickness, a remaining alignment pin length are more than swallow-tail form steel back thickness, and super
Go out on part and be additionally provided with a groove；
The swallow-tail form steel back is provided with 3N positioning hole, and brake lining friction plate is straggly to be distributed in the swallow-tail form steel back,
The alignment pin of each brake lining friction plate is stretched into the swallow-tail form steel back in corresponding positioning hole, is provided with the positioning of groove
Pin coordinates clamping with butterfly jump ring.
The swallow-tail form steel back is the irregular pentagon plank frame that back connects an inverted trapezoidal dovetail, is dovetail and steel back
Integrated metal machined piece；
Hollowed out in the middle part of swallow-tail form steel back, and provided with N number of butterfly jump ring neck, swallow-tail form steel back side and end respectively have one
Individual gap, is provided with 3N positioning hole on the plate surface of described swallow-tail form steel back, and N number of positioning hole therein is located at butterfly card
Spring neck center；
3 millimeters of chamferings are additionally provided with the back side dovetail angle of the swallow-tail form steel back.
The brake lining friction plate includes：The consistent triangle backboard of shape and triangle friction piece；
The triangle backboard includes：Three alignment pins and a triangle connection sheet；
Some through holes are additionally provided with the triangle backboard, the relevant position of triangle friction piece is provided with boss, by convex
Platform makes triangle backboard be closely connected with triangle friction piece with through hole engagement.
The centre of the one side of the triangle friction piece away from triangle backboard is additionally provided with manhole.
The triangular apex part of the triangle backboard and triangle friction piece is smooth fillet.
Certain gap is respectively provided between the brake lining friction plate being arranged in swallow-tail form steel back.
The butterfly jump ring is rounded butterfly-like, and side is openend；
Round clasp of the inside of the butterfly jump ring provided with one with the fit depressions of alignment pin, round clasp outlet is logical
Road connects the openend.
The powder metallurgy brake pad has abrasion uniform it can be seen from the technical scheme that above-mentioned the utility model is provided, system
Dynamic stability, when service life length, replacing the features such as convenient disassembly.Friction piece has stable coefficient of friction and low abrasion, simultaneously
With high heat conduction, heat-resisting and higher anti-stick property and higher thermophysical property, mechanical performance.Braking is steady, noise
It is small, do not produce abnormal trench abrasion to brake disc, the car braking of more than 200km/h speed per hours can be met.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, required in being described below to embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, on the premise of not paying creative work, can also be according to these accompanying drawings for one of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 uses for a kind of kilometer motor vehicle group of dovetail steel back integral type speed per hour 160~250 that the utility model embodiment is provided
The structural representation of powder metallurgy brake pad；
The swallow-tail form steel back planar structure schematic diagram that Fig. 2 provides for the utility model embodiment；
The structural representation for the brake lining friction plate that Fig. 3 provides for the utility model embodiment；
The structural representation for the triangle backboard that Fig. 4 provides for the utility model embodiment；
The structural representation for the triangle friction piece that Fig. 5 provides for the utility model embodiment；
The structural representation for the butterfly jump ring that Fig. 6 provides for the utility model embodiment；
The entirety and partial sectional view for the swallow-tail form steel back that Fig. 7 provides for the utility model embodiment.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on embodiment of the present utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to protection domain of the present utility model.
The utility model embodiment provides a kind of kilometer motor vehicle group powder smelting of dovetail steel back integral type speed per hour 160~250
Golden brake lining, as shown in figure 1, it mainly includes：Swallow-tail form steel back 11, N number of brake lining friction plate 12 and N number of butterfly jump ring 13.
Fig. 1 a therein are front elevation, and Fig. 1 b are back view.In the present embodiment, the swallow-tail form steel back is that back connects down
The irregular pentagon plank frame of trapezoidal dovetail, is dovetail and steel back integrated metal machined piece；Swallow-tail form steel back
Middle part is hollowed out, and provided with N number of butterfly jump ring neck, respectively there is a gap swallow-tail form steel back side and end；As shown in Fig. 2
3N positioning hole 21 is provided with the plate surface of described swallow-tail form steel back, N number of positioning hole therein is located at butterfly jump ring neck
Center.
It will be understood by those skilled in the art that for the ease of representing so as to which N is set into 5 in structure as shown in Figure 1-2, but
Actually N concrete numerical value can be determined according to demand.
As shown in figure 3, each brake lining friction plate 12 is triangular structure, it is equipped with each vertex position certain
Position pin, length and the swallow-tail form steel back consistency of thickness of two of which alignment pin 31, the remaining length of alignment pin 32 is more than dovetail
Shape steel back thickness, and it is additionally provided with a groove 33 on part；
Brake lining friction plate 12 is straggly to be distributed in the swallow-tail form steel back 11, with reduce brake lining it is overall in braking procedure because
The deflection of expanded by heating；The alignment pin of each brake lining friction plate 12 stretches into corresponding positioning hole in the swallow-tail form steel back
In, the alignment pin 32 and butterfly jump ring 13 for being provided with groove coordinate clamping.
The brake lining friction plate 12 unit radius friction area and friction radius in the plane of swallow-tail form steel back 11
It is square proportional, it is ensured that the braking energy that the brake lining friction plate 12 in unit area is born is identical, it is ensured that unit area
On brake strip abrasion it is identical, can effectively improve brake lining service life.
In the present embodiment, the reeded alignment pin 32 that sets in brake lining friction plate 12 is mainly used to fix, to prevent from swallow
Come off in tail shape steel back 11, it also allows brake lining friction plate 12 can be by pivot of the position of alignment pin 32 in institute
State and small rotation is carried out above swallow-tail form steel back, the position of the alignment pin 32 can guarantee that in braking procedure, unit area institute
The moment of torsion relative to pivot produced by frictional force is cancelled out each other with the moment of torsion relative to disc centres.Two other is determined
Position pin 31 is mainly used to position, with anti-rotational.
Referring further to Fig. 3, the brake lining friction plate 12 includes：The consistent triangle backboard 34 of shape and triangle friction piece
35；
Some through holes 36 are additionally provided with the triangle backboard 34, the relevant position of triangle friction piece 35 is provided with boss
37, triangle backboard 34 is closely connected with triangle friction piece 35 with the engagement of through hole 36 by boss 37；It ensure that the braking
The backboard of friction plate will not fall off with friction piece in high-speed friction braking procedure.
As shown in figure 4, the triangle backboard 34 includes：Three alignment pins (31,32) and a triangle connection sheet 41.
As shown in figure 5, the centre of the one side of the triangle friction piece 35 away from triangle backboard is additionally provided with circle
Through hole 51, it is ensured that the friction piece of brake strip will not be heaved in high-speed friction braking procedure because of expanded by heating.
In the present embodiment, the triangular apex part of the triangle backboard and triangle friction piece is smooth fillet,
Ensure that the friction piece edge of brake strip will not come off in high-speed friction braking procedure because edge effect is broken.
In the present embodiment, certain gap is respectively provided between the brake lining friction plate being arranged in swallow-tail form steel back, brake lining is reduced
Entirety is because of the deflection of expanded by heating in braking procedure, and the abrasive dust of brake lining friction plate is discharged in time when also allowing for braking.
As shown in fig. 6, the butterfly jump ring 13 is rounded butterfly-like, side is openend 61；The butterfly jump ring it is interior
Round clasp 62 of the portion provided with one with the fit depressions of alignment pin, round clasp exit passageway 63 connects the openend.
As shown in fig. 7, leftmost diagram picture is the sectional view of swallow-tail form steel back, it is middle with image right (be designated as Local map I with
II it is) local I and II enlarged drawing in left-side images.Wherein Local map I shows the dovetail angle of swallow-tail form steel back, and it sets
3 millimeters of chamferings are put, main purpose is easy for the installation of brake lining；Local map II shows butterfly jump ring neck, its act on be by
Butterfly jump ring is limited in neck, can prevent coming off for brake lining braking procedure butterfly jump ring.
In braking procedure, it can be realized by butterfly jump ring 13 and automatically adjust braking plane, and brake disc is smooth fits,
Carry out friction catch.
The above-mentioned powder metallurgy brake pad that the present embodiment is provided is uniform with abrasion, and braking is stable, when service life length, replacing
The features such as convenient disassembly.Friction piece has stable coefficient of friction and low abrasion, at the same there is high heat conduction, it is heat-resisting and higher anti-
Adhesive property and higher thermophysical property, mechanical performance.Braking is steady, noise is small, does not produce abnormal trench to brake disc
Abrasion, can meet the car braking of more than 200km/h speed per hours.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
Claims (7)
1. a kind of kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250, it is characterised in that including：
Swallow-tail form steel back, N number of brake lining friction plate and N number of butterfly jump ring；
Each brake lining friction plate is triangular structure, is equipped with an alignment pin at each vertex position, two of which is fixed
The length and swallow-tail form steel back consistency of thickness of position pin, a remaining alignment pin length are more than swallow-tail form steel back thickness, and beyond portion
A groove is additionally provided with point；
The swallow-tail form steel back is provided with 3N positioning hole, and brake lining friction plate is straggly to be distributed in the swallow-tail form steel back, each
The alignment pin of brake lining friction plate is stretched into the swallow-tail form steel back in corresponding positioning hole, be provided with the alignment pin of groove with
Butterfly jump ring coordinates clamping.
2. the kilometer motor vehicle group powder metallurgy lock of a kind of dovetail steel back integral type speed per hour 160~250 according to claim 1
Piece, it is characterised in that the swallow-tail form steel back is the irregular pentagon plank frame that back connects an inverted trapezoidal dovetail, is dovetail
With steel back integrated metal machined piece；
Hollowed out in the middle part of swallow-tail form steel back, and respectively there is one to slit provided with N number of butterfly jump ring neck, swallow-tail form steel back side and end
Mouthful, 3N positioning hole is provided with the plate surface of described swallow-tail form steel back, N number of positioning hole therein is located at butterfly jump ring card
Groove center position；
3 millimeters of chamferings are additionally provided with the back side dovetail angle of the swallow-tail form steel back.
3. the kilometer motor vehicle group powder metallurgy lock of a kind of dovetail steel back integral type speed per hour 160~250 according to claim 1
Piece, it is characterised in that the brake lining friction plate includes：The consistent triangle backboard of shape and triangle friction piece；
The triangle backboard includes：Three alignment pins and a triangle connection sheet；
Be additionally provided with some through holes on the triangle backboard, the relevant position of triangle friction piece is provided with boss, by boss with
Through hole engagement makes triangle backboard be closely connected with triangle friction piece.
4. the kilometer motor vehicle group powder metallurgy lock of a kind of dovetail steel back integral type speed per hour 160~250 according to claim 3
Piece, it is characterised in that the centre of the one side of the triangle friction piece away from triangle backboard is additionally provided with manhole.
5. the kilometer motor vehicle group powder metallurgy lock of a kind of dovetail steel back integral type speed per hour 160~250 according to claim 3
Piece, it is characterised in that the triangular apex part of the triangle backboard and triangle friction piece is smooth fillet.
6. the kilometer motor vehicle group powder metallurgy lock of a kind of dovetail steel back integral type speed per hour 160~250 according to claim 1
Piece, it is characterised in that be respectively provided with certain gap between the brake lining friction plate being arranged in swallow-tail form steel back.
7. the kilometer motor vehicle group powder metallurgy lock of a kind of dovetail steel back integral type speed per hour 160~250 according to claim 1
Piece, it is characterised in that the butterfly jump ring is rounded butterfly-like, and side is openend；
Round clasp of the inside of the butterfly jump ring provided with one with the fit depressions of alignment pin, round clasp exit passageway connects
Connect the openend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478794.3U CN206377190U (en) | 2016-12-30 | 2016-12-30 | The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478794.3U CN206377190U (en) | 2016-12-30 | 2016-12-30 | The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377190U true CN206377190U (en) | 2017-08-04 |
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ID=59409046
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621478794.3U Active CN206377190U (en) | 2016-12-30 | 2016-12-30 | The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061117A (en) * | 2017-12-21 | 2018-05-22 | 北京瑞斯福高新科技股份有限公司 | A kind of EMU brake lining |
| CN108662962A (en) * | 2018-07-25 | 2018-10-16 | 沈阳精合数控科技开发有限公司 | A kind of go-no go gauge and its manufacturing method of quick inspection brake lining dovetail size |
| CN109268412A (en) * | 2018-09-28 | 2019-01-25 | 贵州新安航空机械有限责任公司 | Low abrasion brake lining brake block structure |
| CN109307030A (en) * | 2018-10-10 | 2019-02-05 | 北京瑞斯福高新科技股份有限公司 | Dovetail steel back integral type powder metallurgy rivets brake lining |
| CN110296167A (en) * | 2019-07-17 | 2019-10-01 | 中铁隆昌铁路器材有限公司 | A kind of high-speed EMUs powder metallurgy brake pad of spherical triangle shape |
| CN111677790A (en) * | 2020-06-18 | 2020-09-18 | 沈阳远程摩擦密封材料有限公司 | Power-concentrated motor car combined brake pad for 160KMh |
-
2016
- 2016-12-30 CN CN201621478794.3U patent/CN206377190U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061117A (en) * | 2017-12-21 | 2018-05-22 | 北京瑞斯福高新科技股份有限公司 | A kind of EMU brake lining |
| CN108662962A (en) * | 2018-07-25 | 2018-10-16 | 沈阳精合数控科技开发有限公司 | A kind of go-no go gauge and its manufacturing method of quick inspection brake lining dovetail size |
| CN108662962B (en) * | 2018-07-25 | 2023-11-28 | 北京浦然轨道交通科技股份有限公司 | Go-no-go gauge for rapidly checking dovetail size of brake pad and manufacturing method thereof |
| CN109268412A (en) * | 2018-09-28 | 2019-01-25 | 贵州新安航空机械有限责任公司 | Low abrasion brake lining brake block structure |
| CN109268412B (en) * | 2018-09-28 | 2023-10-13 | 贵州新安航空机械有限责任公司 | Low-abrasion brake pad and brake block structure |
| CN109307030A (en) * | 2018-10-10 | 2019-02-05 | 北京瑞斯福高新科技股份有限公司 | Dovetail steel back integral type powder metallurgy rivets brake lining |
| CN110296167A (en) * | 2019-07-17 | 2019-10-01 | 中铁隆昌铁路器材有限公司 | A kind of high-speed EMUs powder metallurgy brake pad of spherical triangle shape |
| CN111677790A (en) * | 2020-06-18 | 2020-09-18 | 沈阳远程摩擦密封材料有限公司 | Power-concentrated motor car combined brake pad for 160KMh |
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