CN206943285U - High-speed train braking friction plate - Google Patents
High-speed train braking friction plate Download PDFInfo
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- CN206943285U CN206943285U CN201720808039.5U CN201720808039U CN206943285U CN 206943285 U CN206943285 U CN 206943285U CN 201720808039 U CN201720808039 U CN 201720808039U CN 206943285 U CN206943285 U CN 206943285U
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- mounting hole
- brake pad
- steel back
- friction
- rivet
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Abstract
The utility model belongs to train braking technical field, more particularly to a kind of high-speed train braking friction plate.The brake strip includes brake pad, steel back, rivet and butterfly spring, wherein, rivet design is by top plate by the utility model, the I-shaped structure that connecting plate and bottom plate are formed, roof movement is arranged in the first mounting hole above brake pad, connecting plate sequentially passes through the second mounting hole below brake pad, the 3rd mounting hole on butterfly spring and steel back, bottom plate gap coordinates in the mounting hole of steel back, and the length of connecting plate adapts to the change of the minimal deformation length of butterfly spring and the maximum distortion length of butterfly spring, when manufacturing brake strip, the bottom plate of rivet can be locked in mounting hole, the compression travel of butterfly spring is not interfered with, ensure braking effect, but also the locking force of rivet need not be considered further that, product yield can be ensured, reduce production cost.
Description
Technical field
The utility model belongs to train braking technical field, more particularly to a kind of high-speed train braking friction plate.
Background technology
The brake strip of bullet train is critical component in bullet train brake system, and its performance directly affects at a high speed
Braking, reliability and the security of train.The speed of bullet train is being continuously increased in recent years, to the property of its brake strip
Also more and more higher can be required.
In the prior art, the brake strip of bullet train is usually floating structure, is by brake pad, steel back and butterfly
Spring is formed, and brake pad is arranged on by rivet on the side side of steel back, has gap, butterfly bullet between brake pad and steel back
Spring is sleeved on the rivet between brake pad and steel back, and the floating of friction piece is realized by the axial stretching amount of butterfly spring,
To solve when brake energy is high, cause friction piece local pressure excessive, what the too high caused brake pad of temperature locally split asks
Topic, improve train braking safety.
During the utility model is realized, it is found by the applicant that at least having the following disadvantages in the prior art：
In the prior art, when mounted, rivet activity is locked at the peace of steel back to rivet through the mounting hole on brake pad
Fill in hole, but in actual installation, because the riveting dynamics of rivet is difficult to control, easily cause rivet mistake in the first mounting hole
Degree locking, in addition it is directly locked in the first mounting hole, make the compression travel of butterfly spring too low or even ineffective, producing
During brake strip, often therefore problem influences product yield, wastes production cost.
Utility model content
Problem be present for above-mentioned prior art, the utility model provides a kind of high-speed train braking friction plate, and braking rubs
Pad can guarantee that its yields in production.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of high-speed train braking friction plate, including brake pad, steel back, rivet and butterfly spring, the brake pad pass through
The rivet is arranged on the side side of the steel back, has gap, the butterfly spring between the brake pad and steel back
Be sleeved on the rivet between the brake pad and the steel back, it is characterised in that the brake pad vertically from top to bottom according to
It is secondary to be provided with the first mounting hole and the second mounting hole, the steel back on the side for installing the brake pad from top to bottom according to
It is secondary to be provided with the 3rd mounting hole and mounting groove, first mounting hole, second mounting hole, the 3rd mounting hole and described
Mounting groove is coaxial and communicates setting, and the internal diameter of first mounting hole is more than the internal diameter of second mounting hole, second peace
Dress hole is identical with the internal diameter of the 3rd mounting hole, and the internal diameter of the mounting groove is more than the internal diameter of the 3rd mounting hole, described
Rivet includes top plate, connecting plate and bottom plate, the both ends of the connecting plate respectively with the top plate and the bottom plate vertical connection, institute
State roof movement to be arranged in first mounting hole, the connecting plate sequentially passes through second mounting hole, the butterfly bullet
Spring and the 3rd mounting hole, the length of the connecting plate is in the axial length of second mounting hole, the butterfly spring
Axial length, the butterfly of the axial length sum and second mounting hole of minimal deformation length and the 3rd mounting hole
Between the maximum distortion length of shape spring and the axial length sum of the 3rd mounting hole, the bottom plate gap coordinates described
In mounting groove.
Further, the brake pad includes friction piece and friction shim, and the friction shim is fixedly installed on described rub
Towards on the side of the steel back, first mounting hole is arranged in the friction piece rub body, and second mounting hole is set
In the friction shim.
Further, the steel back is in sector；Radial direction of the brake pad along the steel back has been arranged radially multiple row,
Brake pad described in each column forms friction element, and the first chip area is formed between adjacent friction element, for discharge train fortune
The impurity such as the dirt sand ice and snow taken up during battalion are entered on brake pad, increase the service life of brake pad, ensure the braking of brake pad
Effect.
Further, the brake pad at least two in the friction element of each column.
Further, the second chip area is formed between the adjacent brake pad in the friction element of each column,
The impurity such as the dirt sand ice and snow that the second chip area takes up when being also for discharging train operation enter brake pad, increase brake pad
Service life, ensure the braking effect of brake pad.
Preferably, the brake pad is square.
Further, radial direction of the area of the brake pad in the friction element of each column along the steel back inside-out according to
Secondary to become big, the amplitude of variation in aperture that can so make the first chip area in the reasonable scope, ensures the braking effect of brake pad.
The beneficial effects of the utility model are：
A kind of high-speed train braking friction plate of the present utility model, it is by top plate, connecting plate and bottom plate structure by rivet design
Into I-shaped structure, wherein, roof movement is arranged in the first mounting hole above brake pad, and connecting plate sequentially passes through friction
The 3rd mounting hole on the second mounting hole, butterfly spring and steel back below block, bottom plate gap coordinate in the mounting hole of steel back,
And because the length of connecting plate is in the axial length of the second mounting hole, the minimal deformation length of butterfly spring and the 3rd mounting hole
The axial direction of the axial length of axial length sum and the second mounting hole, the maximum distortion length of butterfly spring and the 3rd mounting hole
Between length sum, when manufacturing brake strip, the bottom plate of rivet can be locked in mounting hole, not interfere with butterfly
The compression travel of shape spring, ensure braking effect, but also the locking force of rivet need not be considered further that, it is ensured that product is good
Rate, reduce production cost.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the high-speed train braking friction plate of the utility model embodiment；
Fig. 2 illustrates for installation of the brake pad in steel back in the high-speed train braking friction plate of the utility model embodiment
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of high-speed train braking friction plate.
Fig. 1 is the structural representation of the high-speed train braking friction plate of the utility model embodiment, and Fig. 2 is the utility model
Scheme of installation of the brake pad in steel back in the high-speed train braking friction plate of embodiment.It is new with reference to Fig. 1 and Fig. 2, this practicality
A kind of high-speed train braking friction plate of type embodiment, including brake pad 1, steel back 2, rivet 3 and butterfly spring 4, wherein, friction
Block 1 is arranged on by rivet 3 on the side side of steel back 2, has gap between brake pad 1 and steel back 2, butterfly spring 4 is set with
On rivet 3 between brake pad 1 and steel back 2.The utility model embodiment is characterized in that, brake pad 1 vertically from
Up to be disposed with the first mounting hole 1.1 and the second mounting hole 1.2 down, steel back 2 on the side for installing brake pad 1 from
The 3rd mounting hole 2.1 and mounting groove 2.2, the first mounting hole 1.1, the installation of the second mounting hole the 1.2, the 3rd are up to disposed with down
Hole 2.1 and mounting groove 2.2 are coaxial and communicate settings, the internal diameter of the first mounting hole 1.1 more than the second mounting hole 1.2 internal diameter, the
Two mounting holes 1.2 are identical with the internal diameter of the 3rd mounting hole 2.1, and the internal diameter of mounting groove 2.2 is more than the internal diameter of the 3rd mounting hole 2.1,
And rivet 3 includes top plate 3.1, connecting plate 3.2 and bottom plate 3.3, the both ends of connecting plate 3.2 are hung down with top plate 2.1 and bottom plate 3.2 respectively
Direct-connected to connect, top plate 3.1 is movably arranged in the first mounting hole 1.1, and connecting plate 3.2 sequentially passes through the second mounting hole 1.2, butterfly bullet
The mounting hole 2.1 of spring 4 and the 3rd, the length of connecting plate 3.2 become in the axial length of the second mounting hole 1.2, the minimum of butterfly spring 4
The axial length of the axial length sum and the second mounting hole 1.2 of shape length and the 3rd mounting hole 2.1, butterfly spring 4 are most
Between large deformation length and the axial length sum of the 3rd mounting hole 2.1, the gap of bottom plate 3.3 coordinates in mounting groove 2.2.
A kind of high-speed train braking friction plate of the utility model embodiment, by rivet design be by top plate, connecting plate and
The I-shaped structure that bottom plate is formed, wherein, roof movement is arranged in the first mounting hole above brake pad, and connecting plate is worn successively
The 3rd mounting hole crossed in the second mounting hole below brake pad, butterfly spring and steel back, bottom plate gap coordinate the peace in steel back
Fill in hole, and the length of connecting plate is redesigned, the minimal deformation length and maximum distortion length of butterfly spring can be adapted to
The bottom plate of rivet, so when manufacturing brake strip, can be locked in mounting hole, not interfere with butterfly spring by degree
Compression travel, ensure braking effect, but also the locking force of rivet need not be considered further that, it is ensured that product yield, reduce
Production cost.
With reference to Fig. 2, the brake pad 1 of the utility model embodiment can include friction piece 1a and friction shim 1b, friction pad
Piece 1b is fixedly installed on friction piece 1a towards on the side of steel back 2, and the first mounting hole 1.1 is arranged in friction piece 1a, the second peace
Dress hole 1.2 is arranged in friction shim 1b.
In the utility model embodiment, friction shim 1b can when manufacturing, vulcanization be integral with friction piece 1a, or
Using other mounting means, such as welding, riveting etc., the utility model embodiment is without limitation.
With reference to Fig. 1, steel back 2 is in sector；And radial direction of the brake pad 1 along steel back 2 has been arranged radially multiple row, each column friction
Block 1 forms friction element, and the first chip area 5 is formed between adjacent friction element, for what is taken up during discharge train operation
The impurity such as dirt sand ice and snow are entered on brake pad 1, increase the service life of brake pad 1, ensure the braking effect of brake pad 1.
In the utility model embodiment, the quantity at least two of the brake pad 1 in the friction element of each column, and each column
The second chip area 6 can be formed between adjacent brake pad 1 in friction element, the second chip area 6 is also for discharging train
The impurity such as the dirt sand ice and snow taken up during operation are entered on brake pad, increase the service life of brake pad, ensure the system of brake pad
Dynamic effect.
With reference to Fig. 1, the brake pad 1 of the utility model embodiment can be square, the brake pad 1 in the friction element of each column
Radial direction of the area along steel back 2 become big successively inside-out, can so make the amplitude of variation in aperture of the first chip area 5 reasonable
In the range of, ensure the braking effect of brake pad.
Certainly, brake pad 1 can also be in that fan-shaped or triangle, the utility model embodiment are without limitation.
Embodiment provided above is better embodiment of the present utility model, is only used for convenient explanation the utility model, and
It is non-to make any formal limitation, any those of ordinary skill in the art to the utility model, if not departing from
In the range of the utility model carries technical characteristic, locally change or repair using made by the utility model disclosed technology content
The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic
In the range of.
Claims (7)
1. a kind of high-speed train braking friction plate, including brake pad, steel back, rivet and butterfly spring, the brake pad pass through institute
Rivet is stated on the side side of the steel back, there is gap, the butterfly spring set between the brake pad and steel back
On rivet between the brake pad and the steel back, it is characterised in that the brake pad is vertically from top to bottom successively
Be provided with the first mounting hole and the second mounting hole, the steel back on the side for installing the brake pad from top to bottom successively
It is provided with the 3rd mounting hole and mounting groove, first mounting hole, second mounting hole, the 3rd mounting hole and the peace
Tankage is coaxial and communicates setting, and the internal diameter of first mounting hole is more than the internal diameter of second mounting hole, second installation
Hole is identical with the internal diameter of the 3rd mounting hole, and the internal diameter of the mounting groove is more than the internal diameter of the 3rd mounting hole, the riveting
Nail includes top plate, connecting plate and bottom plate, and the both ends of the connecting plate are described respectively with the top plate and the bottom plate vertical connection
Roof movement is arranged in first mounting hole, and the connecting plate sequentially passes through second mounting hole, the butterfly spring
With the 3rd mounting hole, the length of the connecting plate in the axial length of second mounting hole, the butterfly spring most
Axial length, the butterfly of the axial length sum and second mounting hole of small deformation length and the 3rd mounting hole
Between the maximum distortion length of spring and the axial length sum of the 3rd mounting hole, the bottom plate gap coordinates in the peace
In tankage.
2. high-speed train braking friction plate according to claim 1, it is characterised in that the brake pad include friction piece and
Friction shim, the friction shim are fixedly installed on the friction piece towards on the side of the steel back, first mounting hole
It is arranged in the friction piece, second mounting hole is arranged in the friction shim.
3. high-speed train braking friction plate according to claim 1 or 2, it is characterised in that the steel back is in sector；It is described
Radial direction of the brake pad along the steel back has been arranged radially multiple row, and brake pad described in each column forms friction element, and adjacent rubs
The first chip area is formed between wiping unit.
4. high-speed train braking friction plate according to claim 3, it is characterised in that in the friction element of each column
Brake pad at least two.
5. high-speed train braking friction plate according to claim 4, it is characterised in that in the friction element of each column
The second chip area is formed between the adjacent brake pad.
6. high-speed train braking friction plate according to claim 4, it is characterised in that the brake pad is square.
7. high-speed train braking friction plate according to claim 6, it is characterised in that in the friction element of each column
Radial direction of the area of brake pad along the steel back becomes big successively inside-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808039.5U CN206943285U (en) | 2017-07-05 | 2017-07-05 | High-speed train braking friction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808039.5U CN206943285U (en) | 2017-07-05 | 2017-07-05 | High-speed train braking friction plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206943285U true CN206943285U (en) | 2018-01-30 |
Family
ID=61367943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720808039.5U Active CN206943285U (en) | 2017-07-05 | 2017-07-05 | High-speed train braking friction plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206943285U (en) |
-
2017
- 2017-07-05 CN CN201720808039.5U patent/CN206943285U/en active Active
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