CN207814286U - A kind of EMU brake lining - Google Patents
A kind of EMU brake lining Download PDFInfo
- Publication number
- CN207814286U CN207814286U CN201721806881.1U CN201721806881U CN207814286U CN 207814286 U CN207814286 U CN 207814286U CN 201721806881 U CN201721806881 U CN 201721806881U CN 207814286 U CN207814286 U CN 207814286U
- Authority
- CN
- China
- Prior art keywords
- brake lining
- friction
- round
- adjusting pad
- brake
- 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
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses multiple brake lining friction pieces that a kind of EMU brake lining includes brake lining steel back (1) and is distributed in brake lining steel back (1)；Gap is equipped between brake lining friction piece, the single brake lining friction piece includes brake lining friction (2), adjusting pad (3) and butterfly clamp spring (4)；The brake lining steel back (1) includes the friction piece mounting hole position of multiple installation brake lining friction pieces, and friction (2) and adjusting pad (3) are installed in each mounting hole position by butterfly clamp spring (4)；It can effectively avoid brake disc from drawing ditch extremely and metal melt occur, adjust brake lining deformation, abrasion are uniform; braking is stablized, and service life is long, and has the characteristics that convenient disassembly when replacement; and it is high using circular brake pad friction intensity, it can effectively inhibit to wear chip off-falling phenomenon in use.
Description
Technical field
The utility model is related to frame for movement technical field more particularly to a kind of EMU suitable for extremely frigid zones operation
Use brake lining.
Background technology
Extremely frigid zones environment temperature down to -30 DEG C hereinafter, and fall over a large area severe snow, for 300~350 kilometers of speed per hour or more
CRH380 systems EMU, brake disc abnormal wear phenomenon is particularly acute.Main reason is that train is in the process of running,
Brake lining and brake disc phase mutual friction, roadbed sand grains or external hard foreign matter are blended in ice and snow, and are wrapped in brake lining and braking
It is not easy to be discharged on clamp.Extraneous hard particles foreign matter, which is clipped between brake disc and brake lining rubbing surface, causes brake disc to scratch.Hard
Foreign matter is ground brake disc, generates metal filings or cuts wire, leads to metal melt occur.Therefore, severe cold is solved
Brake disc scratches phenomenon extremely under ice and snow weather environment, it is necessary to which pair the brake lining used is matched with it optimizes.
Therefore, it is necessary to lead to ice and snow phenomenon not easily to fall off according to gap is small between former each brake pad of brake piece, to high and cold powder
The shape of last metallurgy brake lining friction and distribution are designed, and increase the gap between each brake lining friction, and make Connexin,
Smoothness avoids the occurrence of dead angle, makes the smooth discharge of the field trashes such as ice and snow, abrasive dust.
Invention content
The purpose of this utility model is to provide a kind of EMU brake lining, and brake disc can effectively be avoided to draw ditch extremely and go out
Existing metal melt adjusts brake lining deformation, and abrasion are uniform, and braking is stablized, and service life is long, and with convenient disassembly when replacing
Feature, and it is high using circular brake pad friction intensity, it can effectively inhibit to wear chip off-falling phenomenon in use.
The purpose of this utility model is achieved through the following technical solutions：
A kind of EMU brake lining, including brake lining steel back 1 and multiple brake lining friction pieces for being distributed in brake lining steel back 1；Lock
Gap is equipped between piece friction piece, the single brake lining friction piece includes brake lining friction 2, adjusting pad 3 and butterfly clamp spring 4；
The brake lining steel back 1 includes the friction piece mounting hole position of multiple installation brake lining friction pieces, each mounting hole position packet
Include the butterfly clamp spring card slot 23 coaxial with positioning ball-and-socket hole 21 at positive positioning ball-and-socket hole 21 and the back side；
The adjusting pad 3 includes the adjusting pad coaxial with adjusting pad ball-and-socket 33 of positive adjusting pad ball-and-socket 33 and the back side
Spherical surface 31；
2 back side of brake lining friction includes brake lining friction spherical surface 43, and 43 center of brake lining friction spherical surface is equipped with lock
Tight pin 41, locking pin 41 are interior by butterfly in butterfly clamp spring card slot 23 by sequentially passing through the central through hole of adjusting pad 3 and brake lining steel back 1
Shape clamp spring 4 is locked；Brake lining friction spherical surface 43 is engaged with adjusting pad ball-and-socket 33, adjusting pad spherical surface 31 and positioning ball-and-socket hole 21
It is engaged；
2 side of brake lining friction is equipped with spheric surface 44, and 3 side of adjusting pad is equipped with to the anti-of front extension
It revolves every 34 and the anti-rotation column 32 that rearwardly extends, anti-rotation column 32 is set in the anti-trepanning of through-hole 22 of 21 side of positioning ball-and-socket hole, is prevented
Radial facing 44 is rotated with anti-rotation every 34 cooperation limitation brake lining frictions 2.
The brake lining friction 2 includes the identical round backboard 45 of cross sectional shape and round friction piece 46；Brake lining friction
Bulbec face 43 is set to the back side of round backboard 45；Round friction piece 46 is fixed on the front of round backboard 45.
The round backboard 45 is equipped with multiple fixed holes 47, and round friction piece 46 is equipped with fixing lug boss
48, fixing lug boss 48 is embedded in fixed hole 47, so that round backboard 45 is tightly fastened with round friction piece 46 and is connect.
The butterfly clamp spring 4 is rounded butterfly-like, and side is open end 61；Equipped with the matching of the groove 42 of locking pin 41
The round clasp 62 of conjunction, 62 exit passageway 63 of round clasp connect the open end 61.
A kind of motor-car that the utility model embodiment provides it can be seen from above-mentioned technical solution provided by the utility model
Group brake lining can effectively avoid brake disc from drawing ditch extremely and metal melt occur, adjust brake lining deformation, and abrasion are uniform, system
Dynamic stability, service life is long, and has the characteristics that convenient disassembly when replacement, and uses circular brake pad friction intensity
Height can effectively inhibit to wear chip off-falling phenomenon in use.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the structural schematic diagram one for the EMU brake lining that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram two for the EMU brake lining that the utility model embodiment provides；
Fig. 3 is the brake lining steel back structure schematic diagram one for the EMU brake lining that the utility model embodiment provides；
Fig. 4 is the brake lining steel back structure schematic diagram two for the EMU brake lining that the utility model embodiment provides；
Fig. 5 is the adjusting pad structural schematic diagram one for the EMU brake lining that the utility model embodiment provides；
Fig. 6 is the adjusting pad structural schematic diagram two for the EMU brake lining that the utility model embodiment provides；
Fig. 7 is the brake lining friction structural schematic diagram for the EMU brake lining that the utility model embodiment provides；
Fig. 8 is the round back board structure signal of the brake lining friction for the EMU brake lining that the utility model embodiment provides
Figure；
Fig. 9 is the butterfly clip spring structure schematic diagram for the EMU brake lining that the utility model embodiment provides.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
It is another it should be noted that the "upper" in description orientation mentioned herein, "lower" are not specific to the party except specified otherwise
Position is intended merely to description conveniently, its different description of placement direction of the product is also not quite similar.Those of ordinary skill in the art
Intelligible orientation without making creative work, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with attached drawing.
Embodiment one
As shown in Fig. 1 to 2, a kind of EMU brake lining is suitable for the CRH380 systems of 300~350 kilometers of speed per hour or more
High and cold EMU, brake lining use powder metallurgy brake pad, behind repeat no more.Include brake lining steel back 1 and being distributed in brake lining in structure
Multiple brake lining friction pieces in steel back 1；Brake lining steel back 1 is non-dove-tail form steel back, is that facies digitales dorsales manus carries the installation board-like knot of guide groove
Structure, respectively there are one mounting-positioning holes for two sides, are metal machining part.It is equipped with gap between brake lining friction piece, it is whole to reduce brake lining
Body is because of the deflection of expanded by heating in braking process, and the abrasive dust of brake lining friction is discharged in time when being more convenient for braking.Single institute
The brake lining friction piece stated includes brake lining friction 2, adjusting pad 3 and butterfly clamp spring 4.
As shown in Fig. 3 to 4, the brake lining steel back 1 includes the friction piece mounting hole position of multiple installation brake lining friction pieces, often
A mounting hole position includes the butterfly clamp spring card slot 23 coaxial with positioning ball-and-socket hole 21 at positive positioning ball-and-socket hole 21 and the back side；This
Field technology personnel are appreciated that in structure as shown in figs. 1 and 2 to indicate to design friction piece mounting hole position
It it is 18, but the concrete numerical value of actually friction piece mounting hole position can determine according to demand.
As shown in Fig. 5 to 6, the adjusting pad 3 includes positive adjusting pad ball-and-socket 33 and the back side and adjusting pad ball-and-socket
33 coaxial adjusting pad spherical surfaces 31；As shown in Fig. 7 to 8,2 back side of brake lining friction includes brake lining friction spherical surface 43,
43 center of brake lining friction spherical surface is equipped with locking pin 41,41 length of locking pin be more than adjusting pad 3 and brake lining steel back 1 thickness it
With, and annular groove 42 is additionally provided on extension, locking pin 41 is led to by sequentially passing through adjusting pad 3 and the center of brake lining steel back 1
Hole is locked in butterfly clamp spring card slot 23 by butterfly clamp spring 4；Specifically, as shown in figure 9, the 4 rounded butterfly of butterfly clamp spring
Butterfly-shaped, side is open end 61；Equipped with the 42 matched round clasp 62 of groove with locking pin 41, the outlet of round clasp 62 is logical
Road 63 connects the open end 61.The round clasp 62 of butterfly clamp spring 4 is stuck in annular groove 42, and brake lining friction 2 is locked,
Brake lining friction spherical surface 43 is engaged with adjusting pad ball-and-socket 33 after locking, and adjusting pad spherical surface 31 is contacted with positioning ball-and-socket hole 21 matches
It closes.
It is flat that automatic adjustment braking may be implemented by adjusting pad 3 and butterfly card 14 in braking process in two mating spherical surfaces
Face realizes that the smooth of maximum area is bonded with brake disc, carries out friction catch.
The locking mode of butterfly clamp spring 4 also enables brake lining friction 2 using 41 position of locking pin as rotation center
Small rotation is carried out above the brake lining steel back 1 by adjusting pad 3, the position of the locking pin 41 can guarantee and brake
Cheng Zhong, the torque relative to rotation center and the torque relative to disc centres that unit area friction generates are mutual
It offsets.
Meanwhile 2 side of brake lining friction is equipped with spheric surface 44,3 side of adjusting pad is equipped with prolongs to front
Every 34 and the anti-rotation column 32 that rearwardly extends, anti-rotation column 32 is set to the anti-trepanning of through-hole 22 of 21 side of positioning ball-and-socket hole for the anti-rotation stretched
In, spheric surface 44 is rotated with anti-rotation every 34 cooperation limitation brake lining frictions 2.
As shown in Fig. 7 to 8, the brake lining friction 2 includes that the identical round backboard 45 of cross sectional shape rubs with round
Body 46；Brake lining friction spherical surface 43 is set to the back side of round backboard 45；Round friction piece 46 is fixed on the front of round backboard 45.
The round backboard 45 is equipped with multiple fixed holes 47, and round friction piece 46 is equipped with fixing lug boss 48, fixes
Boss 48 is embedded in fixed hole 47, so that round backboard 45 is tightly fastened with round friction piece 46 and is connect.It ensure that round backboard
45 will not fall off with round friction piece 46 in high-speed friction braking process.
In addition, the round backboard 45 and round friction piece 46 are the smooth circular structure with spheric surface 44, are protected
It has demonstrate,proved its edge and will not be crushed because of edge effect in high-speed friction braking process and fallen off.
In this example, brake lining friction 2 and uniformly belong to distribution straggly, this belongs in the design in this field in common-sense
Hold, brake lining entirety can be reduced in braking process because of the deflection of expanded by heating.The brake lining friction 2 is in brake lining steel back 1
Square proportional, the brake lining friction 2 on guarantor unit's area of unit radius friction area and friction radius in plane
The braking energy born is identical, ensure that the abrasion of the brake pad friction 2 on unit area are identical, can effectively improve lock
Piece service life.
Above-mentioned powder metallurgy brake pad provided in this embodiment has wide arc gap, easy chip removal, and abrasion are uniform, and braking is steady, makes
With long lifespan, replace when convenient disassembly the features such as.Friction has stable friction coefficient and low abrasion, while there is height to lead
Hot, heat-resisting and higher anti-stick property and higher thermophysical property, mechanical performance.Brake noise is small, not to brake disc
Abnormal trench abrasion are generated, the high and cold EMU car braking of CRH380 systems of 300~350km/h and the above speed per hour can be met.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
Subject to the scope of protection of the claims.
Claims (4)
1. a kind of EMU brake lining, which is characterized in that including brake lining steel back (1) be distributed in it is multiple in brake lining steel back (1)
Brake lining friction piece；Gap is equipped between brake lining friction piece, the single brake lining friction piece includes brake lining friction (2), adjusting pad
(3) with butterfly clamp spring (4)；
The brake lining steel back (1) includes the friction piece mounting hole position of multiple installation brake lining friction pieces, and each mounting hole position includes
The butterfly clamp spring card slot (23) coaxial with positioning ball-and-socket hole (21) of positive positioning ball-and-socket hole (21) and the back side；
The adjusting pad (3) includes the adjustment coaxial with adjusting pad ball-and-socket (33) of positive adjusting pad ball-and-socket (33) and the back side
Dig face (31)；
Described brake lining friction (2) back side includes brake lining friction spherical surface (43), and brake lining friction spherical surface (43) center is equipped with
Locking pin (41), locking pin (41) is by sequentially passing through the central through hole of adjusting pad (3) and brake lining steel back (1), in butterfly clamp spring card
It is locked by butterfly clamp spring (4) in slot (23)；Brake lining friction spherical surface (43) is engaged with adjusting pad ball-and-socket (33), adjustment dig
Face (31) is engaged with positioning ball-and-socket hole (21)；
Described brake lining friction (2) side is equipped with spheric surface (44), and the adjusting pad (3) side is equipped with to front extension
Anti- rotation is every (34) and the anti-rotation column (32) rearwardly extended, through-hole anti-rotation of the anti-rotation column (32) set on positioning ball-and-socket hole (21) side
In hole (22), spheric surface (44) coordinates limitation brake lining friction (2) to rotate with anti-rotation every (34).
2. EMU brake lining according to claim 1, which is characterized in that the brake lining friction (2) includes section
The identical round backboard (45) of shape and round friction piece (46)；Brake lining friction spherical surface (43) is set to the back of the body of round backboard (45)
Face；Round friction piece (46) is fixed on the front of round backboard (45).
3. EMU brake lining according to claim 2, which is characterized in that the round backboard (45) is equipped with
Multiple fixed holes (47), round friction piece (46) are equipped with fixing lug boss (48), and fixing lug boss (48) is embedded in fixed hole
(47) in, so that round backboard (45) is tightly fastened with round friction piece (46) and connect.
4. EMU brake lining according to claim 1,2 or 3, which is characterized in that the butterfly clamp spring (4) is rounded
Butterfly-like, side is open end (61)；Equipped with groove (42) matched round clasp (62) with locking pin (41), circular card
Ring (62) exit passageway (63) connects the open end (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806881.1U CN207814286U (en) | 2017-12-21 | 2017-12-21 | A kind of EMU brake lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806881.1U CN207814286U (en) | 2017-12-21 | 2017-12-21 | A kind of EMU brake lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814286U true CN207814286U (en) | 2018-09-04 |
Family
ID=63329608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721806881.1U Active CN207814286U (en) | 2017-12-21 | 2017-12-21 | A kind of EMU brake lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814286U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-12-21 CN CN201721806881.1U patent/CN207814286U/en active Active
Cited By (1)
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108061117A (en) | A kind of EMU brake lining | |
| CN207814286U (en) | A kind of EMU brake lining | |
| CN206377190U (en) | The kilometer motor vehicle group powder metallurgy brake pad of dovetail steel back integral type speed per hour 160~250 | |
| EA029527B1 (en) | Floating-type brake pad for trains used in rainy and snowy weather | |
| WO2015180474A1 (en) | Basic brake device used for motor train unit in alpine environments | |
| CN204610642U (en) | A kind of high-speed track passenger car powder metallurgy brake pad | |
| CN107630952A (en) | Air duct type brake disc and wheeled vehicle | |
| CN204226509U (en) | A kind of Novel powder metallurgy brake lining | |
| CN108331867A (en) | A kind of universal powder metallurgy brake pad of dovetail | |
| CN102261409A (en) | Brake pad for high-speed train braking system | |
| CN111396474B (en) | High-speed train brake pad with optimized friction particle combination and installation mode | |
| CN102189026A (en) | Combined type modification MC nylon grinding machine liner plate assembly | |
| CN108488279A (en) | A kind of non-dove-tail form powder metallurgy brake pad | |
| CN206036082U (en) | Stand wear and tear brake disc dispels heat | |
| CN209781530U (en) | Non-dovetail type powder metallurgy brake pad for high and cold train | |
| CN208442189U (en) | A kind of universal powder metallurgy brake pad of dovetail | |
| CN207569116U (en) | A kind of high-wearing feature vehicle brake-holder block component | |
| CN206484434U (en) | Emery disc | |
| CN212429816U (en) | Double-valve seat sealing device of high-temperature and high-pressure metal sealing ball valve | |
| CN201963788U (en) | Structure of powder metallurgy brake pad | |
| CN209539875U (en) | A kind of train brake pad | |
| CN102537159A (en) | Installation structure of powder metallurgical brake pad of motor train unit | |
| CN214838051U (en) | Brake pad of high-speed motor train unit | |
| CN208381171U (en) | A kind of brake spacer for automobile | |
| CN207278739U (en) | A kind of powder metallurgy brake block structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |