CN103133571B - Train floatation type brake pad - Google Patents
Train floatation type brake pad Download PDFInfo
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- CN103133571B CN103133571B CN201310047736.XA CN201310047736A CN103133571B CN 103133571 B CN103133571 B CN 103133571B CN 201310047736 A CN201310047736 A CN 201310047736A CN 103133571 B CN103133571 B CN 103133571B
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- Prior art keywords
- brake pad
- spherical
- train
- ratchet
- floatation type
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Classifications
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- 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
- F16D65/095—Pivots or supporting members therefor
- F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
- F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
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- 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
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- 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
- F16D65/095—Pivots or supporting members therefor
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- 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
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- 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
- F16D2069/0441—Mechanical interlocking, e.g. roughened lining carrier, mating profiles on friction material and lining carrier
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Train floatation type brake pad of the present invention, the elastic support sheet comprising backboard, brake pad, jump ring and be arranged between described brake pad and described backboard, elastic support sheet comprises spherical and is arranged at the support ratchet outside spherical.The spherical support portion of spherical and brake pad fits; The bottom centre of spherical forms the pilot hole that the positioning part that is suitable for brake pad is passed; Support ratchet from the edge of spherical to the bottom of spherical and tendency extend away from pilot hole direction, the connection edge supporting ratchet is connected by the section of seamlessly transitting with the edge of spherical, and support ratchet and support edge extend beyond the bottom of spherical.Train floatation type brake pad of the present invention, the elastic supporting member for supporting optical member part ratchet solving brake pad does not outwards uphold the problem bent inwards on the contrary, when being subject to stress, elastic support sheet outwards can be upheld along the direction supporting ratchet, and the support avoiding appropriate section was lost efficacy.
Description
Technical field
The present invention relates to a kind of train floatation type brake pad, belong to train braking technical field.
Background technique
At present, in high-speed train braking device, what usually adopt is disc type brake structure.Disc type brake structure mainly comprises brake disc and brake pad, and above-mentioned brake structure, by the phase mutual friction of brake disc with brake pad, consumes the kinetic energy of moving vehicle or equipment, makes train stop motion.But, what generally adopt due to brake pad is the mode that rivet is fixedly connected with, so when braking, easily there is the phenomenon can not fitted completely between brake pad on brake pad and brake disc, what make that active force can not be average acts on brake pad and brake disc, thus cause the high stress of brake pad point to occur crackle, fall block, defect, produce district of localized hyperthermia, shortened the working life of brake pad, affect braking effect.
For solving the problem, Chinese patent CN102384195A discloses a kind of composite floating type brake pad, this brake pad is the scotch block assembly of symmetric arrays distribution on supporting plate, scotch block assembly comprises: be sintered to brake pad integrally, convex surface seat, concave surface seat, connecting rod and pin by brake slipper and base plate, convex surface seat is fixed on the base plate of brake pad, and on the convex spherical of convex surface seat, installing to match with convex spherical shape the concave surface seat of the concave spherical rotated.Combinations thereof floatation type brake pad, by convex surface seat is fixed on brake pad base plate, and concave surface seat with matching is set between base plate and convex surface seat, and make to form floating structure between brake pad and base plate, can the retardation pressure of proportionality action on supporting plate.But said structure exists following problem: 1. convex surface seat does not have elasticity, cannot meet brake pad freely adjusting in the vertical direction and the horizontal direction, brake pad is difficult to freely adjust to best effort face simultaneously; 2. the linkage structure between brake pad and convex surface seat can cause producing frictional force between brake pad and convex surface seat, and the working life of brake pad is reduced.
Be difficult to make brake pad freely adjust to the problem in best effort face for solution never has flexible structure, Chinese patent literature CN102401047 discloses a kind of elastic support sheet, comprises spherical support face portion, centre pilot bore portion and fixed support detent portions.By above-mentioned elastic support sheet is arranged between brake pad and base plate, train can be made when braking, the brake pad of brake lining freely can not only adjust in elastic support sheet spherical, meet the position adjustment in support plate substantially horizontal and the position adjustment on the direction vertical with support plate to a certain extent, and due to the setting of fixed support ratchet, make support plate with structural elasticity, the position adjustment of brake pad in support plate Vertical direction can be met, improve effective friction area of brake pad and brake disc.But, fixed pawl in this technological scheme and between spherical by having the right angle transition of several angle, when brake pad is when being subject to braking at a high speed the crunch brought, the angle of described transitional surface produces larger shearing stress, thus cause part ratchet outwards not upheld bending inwards on the contrary, the support of appropriate section was lost efficacy, even causes the ratchet of this part to fracture damage.
Summary of the invention
For this reason, technical problem to be solved by this invention is that the elastic supporting member for supporting optical member part ratchet of existing train brake plate is not outwards upheld and bends inwards on the contrary, make the problem that the support of appropriate section was lost efficacy, and then a kind of brake pad that reliablely and stablely can make brake pad and brake disc good fit is provided.
For solving the problems of the technologies described above, train floatation type brake pad of the present invention, comprises backboard, and two described backboards are spliced into pad back plate; Described backboard forms multiple positioning hole; Several brake pads, it comprises, friction part, the positioning part of inserting described positioning hole and the supporting portion be arranged between described friction part and described positioning part, and described supporting portion is spheric structure, and the sphere of described supporting portion protrudes to direction, described positioning part; Several jump rings, it is connected on described positioning part, is connected on described backboard with having certain amount of floating by described brake pad.
Also comprise the elastic support sheet be arranged between described brake pad and described backboard, described elastic support sheet comprises: spherical, is fitted and connected with described supporting portion; The bottom of described spherical is provided with the pilot hole being suitable for described positioning part and passing; Be arranged at the support ratchet outside described spherical, described support ratchet is also inclined to from the edge of described spherical and extends away from described pilot hole direction bottom described spherical; The connection edge of described support ratchet is connected by the section of seamlessly transitting with the edge of described spherical, and support edge relative with described connection edge on described support ratchet extends beyond the bottom of described spherical.
Described backboard is having coattail board away from welding on a side of described brake pad or riveted joint.
Described brake pad is by friction piece, locating piece and dunnage one sinter molding, and wherein, described friction piece forms described friction part, and described dunnage is the thin plate of middle part for spheric structure, and wherein outer spherical surface part forms described supporting portion; The shaping described positioning part, one end of described locating piece, described positioning part is passed described dunnage and is inserted in described positioning hole, and the other end is connected with described friction piece.
Described backboard forms the ream flat hole that multiple and described positioning hole is coaxial, described ream flat hole places described elastic support sheet, the diameter of described ream flat hole is slightly larger than the external diameter of described elastic support sheet.
Described jump ring is by spring steel bending and molding, and it comprises two supporting legs and circular collar, and described circular collar is connected in the locating groove of described positioning part.
Described support ratchet comprises: one section of conical junction surface and one section of columniform supporting surface, described junction surface and described supporting surface pass through arc transition.
The cone angle of described junction surface is 90-150 °.
Described spherical, be made up of edge land portions and bottom land portions, the radius of curvature of described edge land portions is less than the radius of curvature of described bottom land portions, described edge land portions contacts with the face, described supporting portion of described brake pad, and leaves gap between described bottom land portions and the described supporting portion of described brake pad.
Described spherical is made up of one section of sphere, and described spherical contacts with the face, described supporting portion of described brake pad.
By U-shaped opening transition between adjacent described support ratchet, at regular intervals with the described section of seamlessly transitting tool at the bottom of the mouth of described U-shaped opening.
Outside along described spherical is symmetrical arranged 4 described support ratchets.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) train floatation type brake pad of the present invention, elastic support sheet is provided with between described brake pad and described backboard, described elastic support sheet comprises spherical and supports ratchet, described support ratchet is also inclined to from the edge of described spherical and extends away from described pilot hole direction bottom described spherical, the connection edge of described support ratchet is connected by the section of seamlessly transitting with the edge of described spherical, support edge relative with described connection edge on described support ratchet extends beyond the bottom of described spherical, seamlessly transit and stress can be made better average, the phenomenon that local is lost can not be caused, the inside bending of support ratchet avoiding elastic support sheet causes supporting the problem lost efficacy.Support edge relative with described connection edge on described support ratchet extends beyond the bottom of described spherical, make the bottom of spherical not being in vacant state by during stress, define floating type structure, when elastic support sheet is subject to stress, larger amount of elasticity can be provided.
(2) brake pad of train floatation type brake pad of the present invention is by friction piece, locating piece and dunnage one sinter molding, friction piece, locating piece and dunnage are integrated by sinter molding, can avoid producing wearing and tearing between friction piece and locating piece, cause the problem that the working life of brake pad reduces.
(3) backboard of train floatation type brake pad of the present invention forms multiple ream flat hole, ream flat hole diameter for placing described elastic support sheet is set to the external diameter slightly larger than elastic support sheet, the ratchet that can be elastic support sheet provides enough extending spaces when stretching out by stress, simultaneously also can prevent ratchet from excessively stretching out and cause elastic support sheet deformation failure, external force cannot reply after removing.
(4) the support ratchet of train floatation type brake pad Elastic support plate of the present invention comprises one section of conical junction surface and one section of columniform supporting surface, and junction surface and supporting surface pass through arc transition.Support ratchet to form by by the conical junction surface of arc transition and cylindrical support face, the stress that can well evenly be subject to, avoids the local of elastic support sheet to occur the phenomenon lost.
(5) in train floatation type brake pad of the present invention, by U-shaped opening transition between the adjacent supports ratchet of elastic support sheet, at regular intervals with the described section of seamlessly transitting tool at the bottom of the mouth of U-shaped opening.U-shaped opening can make each support ratchet not interfere with each other when stretching out, and can play good buffer function respectively when being subject to the stress of different direction.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of a backboard of train floatation type brake pad of the present invention;
Fig. 2 is that two backboards of train floatation type brake pad of the present invention are spliced into overall structural representation;
Fig. 3 is the structural representation that the coattail board of train floatation type brake pad of the present invention is arranged on backboard;
Fig. 4 is the partial sectional view of train floatation type brake pad of the present invention;
Fig. 5 is the structural representation of the brake pad of train floatation type brake pad of the present invention;
Fig. 6 is the partial sectional view of the backboard of train floatation type brake pad of the present invention;
Fig. 7 is the structural representation of the jump ring of train floatation type brake pad of the present invention;
Fig. 8 is the stereogram of the elastic support sheet of train floatation type brake pad of the present invention;
Fig. 9 is the sectional view of the elastic support sheet of train floatation type brake pad in embodiment 1;
Figure 10 is the sectional view of the elastic support sheet of train floatation type brake pad in embodiment 2;
In figure, reference character is expressed as: 1-backboard; 11-positioning hole; 12-ream flat hole; 2-elastic support sheet; 21-spherical; 211-pilot hole; 212-edge; 22-supports ratchet; 221-connects edge; 222-support edge; 223-U type opening; A-junction surface; B-supporting surface; C-edge land portions; Land portions bottom d-; The 23-section of seamlessly transitting; 3-brake pad; 31-friction part; 3a-friction piece; 32-positioning part; 320-locating groove; 3b-locating piece; 33-supporting portion; 3c-dunnage; 4-jump ring; 41-supporting leg; The circular collar of 42-.
Embodiment
Below with reference to accompanying drawing, following examples are used to be further elaborated the present invention.
Embodiment 1
Be train floatation type brake pad of the present invention as shown in figs 1-9, it comprises: backboard 1, two the described backboards 1 forming multiple positioning hole 11 are spliced into pad back plate; Several brake pads 3, it comprises, friction part 31, the positioning part 32 of inserting described positioning hole 11 and the supporting portion 33 be arranged between described friction part 31 and described positioning part 32, described supporting portion 33 is spheric structure, and the sphere of described supporting portion 33 protrudes to direction, described positioning part 32; Several jump rings 4, jump ring 4 described in it is connected on described positioning part 32, is connected to having certain amount of floating on described backboard 1 by described brake pad 3; Also comprise the elastic support sheet 2 be arranged between described brake pad 3 and described backboard 1, described elastic support sheet 2 comprises: spherical 21, be fitted and connected with described supporting portion 33, the bottom of described spherical 21 is provided with the pilot hole 211 being suitable for described positioning part 32 and passing; Be arranged at the support ratchet 22 outside described spherical 21, described support ratchet 22 is also inclined to from the edge 212 of described spherical 21 and extends away from described pilot hole 211 direction bottom described spherical 21; The connection edge 221 of described support ratchet 22 is connected by the section of seamlessly transitting 23 with the edge of described spherical 21, and support edge 222 relative with described connection edge 221 on described support ratchet 22 extends beyond the bottom of described spherical 21.
When braking device works, retardation pressure acts on described backboard 1, is delivered on described brake pad 3 by some elastic support sheets 2, and some brake pads 3 steadily laminating brake disc implement braking.Make brake lining brake pad can realize three-dimensional minor rotation because the spherical 21 of described elastic support sheet 2 contacts with the supporting portion 33 of described brake pad 3, with the fricting working surface making brake pad farthest with brake disc, prevent the problem of brake pad eccentric wear.
Described backboard 1 is also fixed with coattail board 8 on the side away from described brake pad 2.Wherein, the means of fixation of described coattail board 8 includes but not limited to welding or riveted joint, and in the present embodiment, described coattail board 8 is provided with riveted holes, is arranged on described backboard 1 by described coattail board 8 by rivet.
It should be noted that, for realizing object of the present invention, the molding mode of described brake pad 3 is not unique, and the present embodiment provides one preferred embodiment, as shown in Figure 5, described brake pad 3 is by friction piece 3a, locating piece 3b and dunnage 3c one sinter molding, wherein, described friction piece 3a forms described friction part 31, described dunnage 3c is the thin plate of middle part for spheric structure, and wherein outer spherical surface part forms described supporting portion 33, and its profile is consistent with the profile of described brake pad 3; The shaping described positioning part 32, one end of described locating piece 3b, described positioning part 32 is passed described dunnage 3c and inserts in described positioning hole 11, and the other end is connected with described friction piece 3a.The problem that such mode of execution can be avoided producing wearing and tearing between friction piece and locating piece and cause reduce the working life of brake pad.
Meanwhile, the shape of described brake pad 3 is not unique yet, as long as it ensures to intermesh between adjacent brake pad, realizes the locking of described brake pad 3 substantially horizontal in the mounting plane of described backboard 1.In the present embodiment, the rubbing surface being positioned at the described brake pad 3 at the middle part of described pad back plate has two parallel straight flanges, and circular sliding slopes is passed through at parallel straight flange two ends; The curved portion on the limit and described backboard 1 with arc is fitted substantially; Straight portion locks mutually, described brake pad 3 can only be offset by trace, and can not rotate in the horizontal direction.Be positioned at the described brake pad 3 of the end of described pad back plate for having the block that a limit is the pentagonal section of arc, wherein arc-shaped side is near the curved portion of described backboard 1, the straight flange of other straight flanges and adjacent described brake pad 3 locks mutually, described brake pad 3 can only be offset by trace, and can not rotate in the horizontal direction.
Same, for realizing object of the present invention, the molding mode of described jump ring 4 is not unique yet, the present embodiment provides a kind of concrete design, as shown in Figure 7, described jump ring 4 is by spring steel bending and molding, and it comprises two supporting legs 41 and circular collar 42, and described circular collar 42 is connected in the locating groove 320 of described positioning part 32.
In order to enough extending spaces can be had when stretching out by stress at the ratchet of elastic support sheet, simultaneously also prevent ratchet from excessively stretching out and cause elastic support sheet deformation failure, external force cannot reply after removing, as shown in Figure 5, described backboard 1 forms the coaxial ream flat hole 12 of multiple and described positioning hole 11, described ream flat hole 12 places described elastic support sheet 2, and the diameter of described ream flat hole 12 is slightly larger than the external diameter of described elastic support sheet 2.
In order to the stress that better even support ratchet is subject to, the local of elastic support sheet is avoided to occur the phenomenon lost, described support ratchet 22 can be set to following structure: as shown in Figure 9, described support ratchet 22 is made up of an one section of conical junction surface a and section columniform supporting surface b, and described junction surface a and described supporting surface b passes through arc transition.Wherein, the cone angle of described junction surface a is not unique, can get the arbitrary value in 90-150 °, and in the present embodiment, provide a kind of preferred design, the cone angle of described junction surface a is 130 °.Same, for realizing object of the present invention, the quantity of described support ratchet 22 is not unique yet, and provide a kind of concrete design in the present embodiment, the outside along described spherical 21 is symmetrical arranged 4 described support ratchets 22.
In order to make the slipping of brake pad more flexible, in the present embodiment, described spherical 21, be made up of edge land portions c and bottom land portions d, the radius of curvature of described edge land portions c is less than the radius of curvature of described bottom land portions d, described edge land portions c directly contacts with the described supporting portion 33 of described brake pad 3, and leaves gap between described bottom land portions d and the described supporting portion 33 of described brake pad 3.
Support ratchet for making each not interfere with each other when stretching out, good buffer function can be played respectively when being subject to the stress of different direction, by the transition of U-shaped opening 223 between adjacent described support ratchet 22, at regular intervals with the described section of seamlessly transitting 23 tool at the bottom of the mouth of described U-shaped opening 223.
Embodiment 2
The present embodiment is substantially identical with the structure of embodiment 1, and the distinctive points of existence is:
As shown in Figure 10, in the present embodiment, described spherical 21 is made up of one section of sphere, described spherical 21 contacts with 33, the described supporting portion of described brake pad 3, described spherical 21 is formed by edge land portions c and bottom land portions d in embodiment 1 to replace, in the present embodiment, the set-up mode of described spherical 21, makes the machining operation of elastic support sheet convenient.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. a train floatation type brake pad, comprising:
Backboard (1), two described backboards (1) are spliced into pad back plate; Described backboard (1) forms multiple positioning hole (11);
Several brake pads (3), it comprises, friction part (31), the positioning part (32) of inserting described positioning hole (11) and the supporting portion (33) be arranged between described friction part (31) and described positioning part (32), described supporting portion (33) is spheric structure, and the sphere of described supporting portion (33) protrudes to described positioning part (32) direction;
Several jump rings (4), it is connected on described positioning part (32), is connected to having certain amount of floating on described backboard (1) by described brake pad (3); It is characterized in that,
Also comprise the elastic support sheet (2) be arranged between described brake pad (3) and described backboard (1), described elastic support sheet (2) comprising:
Spherical (21), is fitted and connected with described supporting portion (33); The bottom of described spherical (21) is provided with the pilot hole (211) being suitable for passing described positioning part (32);
Be arranged at described spherical (21) outside support ratchet (22), described support ratchet (22) from the edge (212) of described spherical (21) to described spherical (21) bottom and tendency extend away from described pilot hole (211) direction; The connection edge (221) of described support ratchet (22) is connected by the section of seamlessly transitting (23) with the edge of described spherical (21), and the upper support edge (222) relative with described connection edge (221) of described support ratchet (22) extends beyond the bottom of described spherical (21).
2. train floatation type brake pad according to claim 1, is characterized in that, described backboard (1) welds or rivets on the side away from described brake pad (3) coattail board (8).
3. train floatation type brake pad according to claim 1, it is characterized in that, described brake pad (3) is by friction piece (3a), locating piece (3b) and dunnage (3c) one sinter molding, wherein, described friction piece (3a) forms described friction part (31), described dunnage (3c) for middle part be the thin plate of spheric structure, wherein outer spherical surface part forms described supporting portion (33); The shaping described positioning part (32) in one end of described locating piece (3b), described positioning part (32) is through described dunnage (3c) and insert in described positioning hole (11), and the other end is connected with described friction piece (3a).
4. the train floatation type brake pad according to claim 1-3 any one, it is characterized in that, described backboard (1) forms the ream flat hole (12) that multiple and described positioning hole (11) is coaxial, described ream flat hole (12) is upper places described elastic support sheet (2), and the diameter of described ream flat hole (12) is slightly larger than the external diameter of described elastic support sheet (2).
5. the train floatation type brake pad according to claim 1-3 any one, it is characterized in that, described jump ring (4) is by spring steel bending and molding, it comprises two supporting legs (41) and circular collar (42), and described circular collar (42) is connected in the locating groove (320) of described positioning part (32).
6. the train floatation type brake pad according to claim 1-3 any one, it is characterized in that, described support ratchet (22) comprising: one section of conical junction surface (a) and one section of columniform supporting surface (b), and described junction surface (a) and described supporting surface (b) pass through arc transition.
7. train floatation type brake pad according to claim 6, is characterized in that, the cone angle of described junction surface (a) is 90-150 °.
8. the train floatation type brake pad according to claim 1-3 any one, it is characterized in that: described spherical (21), be made up of edge land portions (c) and bottom land portions (d), the radius of curvature of described edge land portions (c) is less than the radius of curvature of described bottom land portions (d), described edge land portions (c) contacts with described supporting portion (33) face of described brake pad (3), and leave gap between the described supporting portion (33) of described bottom land portions (d) and described brake pad (3).
9. the train floatation type brake pad according to claim 1-3 any one, it is characterized in that: described spherical (21) is made up of one section of sphere, described spherical (21) contacts with described supporting portion (33) face of described brake pad (3).
10. the train floatation type brake pad according to claim 1-3 any one, it is characterized in that: the outside along described spherical (21) is symmetrical arranged 4 described support ratchets (22), by U-shaped opening (223) transition between adjacent described support ratchet (22), at regular intervals with the described section of seamlessly transitting (23) tool at the bottom of the mouth of described U-shaped opening (223).
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047736.XA CN103133571B (en) | 2013-02-06 | 2013-02-06 | Train floatation type brake pad |
| ES201590084A ES2553928B1 (en) | 2013-02-06 | 2014-01-26 | FLOATING TYPE BRAKE PAD FOR TRAINS |
| EA201500829A EA029606B1 (en) | 2013-02-06 | 2014-01-26 | Floating brake pad for a train |
| PCT/CN2014/071451 WO2014121704A1 (en) | 2013-02-06 | 2014-01-26 | Floating type brake pad for train |
| KR1020157024315A KR101899874B1 (en) | 2013-02-06 | 2014-01-26 | Floating type brake pad for train |
| DE112014000704.8T DE112014000704T5 (en) | 2013-02-06 | 2014-01-26 | Floating train brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047736.XA CN103133571B (en) | 2013-02-06 | 2013-02-06 | Train floatation type brake pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133571A CN103133571A (en) | 2013-06-05 |
| CN103133571B true CN103133571B (en) | 2016-04-13 |
Family
ID=48493837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310047736.XA Active CN103133571B (en) | 2013-02-06 | 2013-02-06 | Train floatation type brake pad |
Country Status (6)
| Country | Link |
|---|---|
| KR (1) | KR101899874B1 (en) |
| CN (1) | CN103133571B (en) |
| DE (1) | DE112014000704T5 (en) |
| EA (1) | EA029606B1 (en) |
| ES (1) | ES2553928B1 (en) |
| WO (1) | WO2014121704A1 (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133571B (en) * | 2013-02-06 | 2016-04-13 | 北京天宜上佳新材料有限公司 | Train floatation type brake pad |
| CN104728318A (en) * | 2013-12-18 | 2015-06-24 | 天津机辆轨道交通装备有限责任公司 | Brake pad of high-speed train |
| CN104482079B (en) * | 2014-12-10 | 2017-04-05 | 贵州新安航空机械有限责任公司 | A kind of independent brake pad brake pad |
| RU2716524C2 (en) * | 2015-02-18 | 2020-03-12 | Кофрен С.Р.Л. | Brake pad for railway brakes |
| DE102015109033A1 (en) * | 2015-06-09 | 2016-12-15 | Federal-Mogul Bremsbelag Gmbh | Arrangement of friction lining elements in brake pads to increase a contact force between the friction lining elements during braking operation |
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2013
- 2013-02-06 CN CN201310047736.XA patent/CN103133571B/en active Active
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2014
- 2014-01-26 DE DE112014000704.8T patent/DE112014000704T5/en not_active Withdrawn
- 2014-01-26 WO PCT/CN2014/071451 patent/WO2014121704A1/en active Application Filing
- 2014-01-26 EA EA201500829A patent/EA029606B1/en not_active IP Right Cessation
- 2014-01-26 ES ES201590084A patent/ES2553928B1/en active Active
- 2014-01-26 KR KR1020157024315A patent/KR101899874B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| ES2553928R1 (en) | 2016-10-10 |
| CN103133571A (en) | 2013-06-05 |
| ES2553928B1 (en) | 2017-07-13 |
| ES2553928A2 (en) | 2015-12-14 |
| KR20150118973A (en) | 2015-10-23 |
| WO2014121704A1 (en) | 2014-08-14 |
| EA201500829A1 (en) | 2016-03-31 |
| DE112014000704T5 (en) | 2015-10-22 |
| EA029606B1 (en) | 2018-04-30 |
| KR101899874B1 (en) | 2018-11-05 |
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