CN202790228U - Braking pad of friction block floatable dovetailing steel back structure - Google Patents
Braking pad of friction block floatable dovetailing steel back structure Download PDFInfo
- Publication number
- CN202790228U CN202790228U CN2012202638564U CN201220263856U CN202790228U CN 202790228 U CN202790228 U CN 202790228U CN 2012202638564 U CN2012202638564 U CN 2012202638564U CN 201220263856 U CN201220263856 U CN 201220263856U CN 202790228 U CN202790228 U CN 202790228U
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- Prior art keywords
- friction
- friction block
- pad
- elastic support
- brake lining
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- Expired - Lifetime
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- 241000357293 Leptobrama muelleri Species 0.000 title claims abstract description 16
- 238000007667 floating Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 56
- 239000010959 steel Substances 0.000 claims description 56
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 5
- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model relates to a braking pad of a friction block floatable dovetailing steel back structure. The braking pad is characterized by comprising a dovetailing pad steel back, a plurality of pad friction blocks, a plurality of elastic supporting pieces and a plurality of round spring clamps, wherein the upper portion and the lower portion of the dovetailing pad steel back are separated. Various installation holes are arranged in the dovetailing pad steel back, each elastic supporting piece is provided with a ball-shaped supporting face and a central guide hole, the lower portion of each friction block is provided with a ball-shaped supporting face and a locating connecting shaft provided with a slot, and each connecting shaft can penetrate through each central guide hole and a back plate locating hole of each elastic supporting piece and is connected with the back plate in a floating mode by locking the round spring clamps. Each pad friction block is a hexagon block body, and a blind hole is arranged in the center of each friction block. The friction blocks are locked with one another to prevent rotating of the friction blocks when the pad works. According to the braking pad, a traditional dovetailing connecting structure is adopted, the braking pad can obtain the largest contacting friction area of the pad and a braking disc, enables the braking process to be stable, and has functions of buffering, reducing vibration, lowering noise and dissipating heat. The friction blocks are easy to replace, so lower train operating cost is reduced. The braking pad can be widely used in braking systems of high-speed trains.
Description
Technical field
The utility model relates to a kind of disc brake that is applied to bullet train, particularly about a kind of Novel friction piece can float, dovetail connects steel back structure brake pad.
Background technique
Along with the raising of train running speed, generally adopt the disc brake of reel and two kinds of forms of wheel disc in order to ensure train braking performance truck brake rigging device, directly absorb kinetic energy with the brake disc friction by brake pad, make the train braking parking.For bullet train, because braking energy is relatively large, during braking for the critical component brake pad of disc brake: not only require the friction block of brake lining wear-resisting, high temperature resistant, low noise, and require should have good heat-conductive characteristic and load equalization performance between the parts of friction block and its installation, be connected simple and reliable etc. with brake clamp.
At present, in the train disk braking system, brake lining exists retardation pressure unbalanced during braking, causes the brake disc vibration, can't obtain maximum effectively friction area, heat load is large when causing death braking, and brake lining reduces working life, simultaneously, brake lining is connected complicated with brake clamp, and versatility is relatively poor.
Therefore, optimizing structure design provides the brake pad that satisfies high-speed train braking performance requirement and general installation requirement just very necessary.
The model utility content
Based on above-mentioned technical background, the purpose of this utility model is: the maximum effectively contact friction area of realizing brake pad and brake disc by structural design, the friction block all carries with realizing braking force being connected of assembly, simultaneously, steel backing adopts the dovetail structure, can satisfy and improve the train braking performance thereby provide a kind of, satisfy general dovetail structure and connect, guarantee the floating type train brake pad of the replaceable brake pad of security of operation.
For achieving the above object, the utility model is by the following technical solutions: the brake pad that a kind of Novel friction piece can float, dovetail connects steel back structure is characterized in that: it comprises a split brake lining steel backing, the friction of some brake linings block, some elastic support sheets and some coil component spring clamps; Described split brake lining steel backing is the arc Split type structure of upper and lower non-full symmetric, the part that its top is removed, set up in the bottom, the joint is the skew symmetry structure, the upper and lower dovetail that is connected with brake clamp that is cast with respectively of described brake lining steel backing, described brake lining steel backing top is provided with the mounting-positioning holes that elastic support sheet, coil component spring clamp are installed for fixing described brake lining friction block: its middle and upper part is 8, and the bottom is 9, and the bottom steel backing also is cast with the boss that rotates for the locating friction piece; Described elastic support sheet is selected the impact briquetting of high-temperature alloy rustproof spring steel material, the elastic support sheet top is provided with spherical and realizes matching with the spherical of friction block coupling shaft root and make the brake lining brake pad body can the rotation of relative resilient support plate, described elastic support sheet bottom is provided with fixed support ratchet adjustable elastic support plate elasticity and locates with the brake lining steel backing, and described elastic support sheet middle part has the coupling shaft that the centre pilot hole is used for installing brake lining friction block; Described brake lining friction block comprises friction block steel backing, guiding coupling shaft and friction piece, described friction block steel backing root is provided with spherical and matches with the elastic support sheet spherical, described guiding coupling shaft is provided with spring card slot and is used for cooperating with spherical in the friction block steel backing root for coil component spring clamp and spherical are installed, and described friction piece is that hexagonal centre is provided with blind hole; Described coil component spring clamp is provided with supporting leg and circular collar.
Described friction piece is one to have the Hexagon cylinder of central blind hole, and described guiding coupling shaft is fitted on the interior spherical of described friction block steel backing, and described friction piece and described friction block steel backing and guiding coupling shaft are sintered into one.
The quantity of described elastic support sheet is except 1 at middle part, and all the other are for being symmetrical arranged each 8 up and down, and the fixed support number of pawls of described elastic support sheet is 4 but variable.
Described elastic support sheet and described coil component spring clamp have elasticity, can make in the vertical direction flexible adjustment of the relatively described brake lining steel backing of described friction block, realize that described elastic support sheet, described coil component spring clamp, described friction block and described brake lining steel backing are floating connection.
Described friction piece, the intermeshing and bottom steel backing positioning boss in Hexagon limit of utilization friction block realizes that described friction block substantially horizontal in described brake lining steel backing mounting plane locks mutually.
The utility model is owing to take above technological scheme, and it has the following advantages: 1, the utility model brake lining steel backing adopts traditional upper and lower split dovetail structure, and simple with being connected of brake clamp, versatility is better.2, the utility model friction block consists of floating structure by elastic support sheet and brake pad steel backing, and by the locking of coil component spring clamp, makes and interconnect simple compactness between each parts.3, the mounting-positioning holes location of the utility model elastic support sheet by the steel backing elastic support sheet, friction block coupling shaft contacts with steel backing installation through hole and produces cross shear when having avoided braking; The vibration that brake lining produced when the elasticity of elastic support sheet can absorb braking work, the noise that produces when helping to reduce braking.4, because the spherical of elastic support sheet matches with the spherical of friction block coupling shaft root, but the retardation pressure of proportionality action on steel backing not only, simultaneously Hexagon friction block can freely be adjusted in the horizontal direction until till the intermeshing locking of adjacent friction block, the friction block can also have certain free adjustment amount in the vertical direction, so that the fricting working surface of friction block farthest contacts with brake disc, dynamic free adjustment process so namely occurs in the moment of braking beginning, also among whole braking process, floating structure can make braking process obtain maximum effectively contact friction area, is conducive to all carry.5, separated by elastic support sheet between the utility model friction block and the steel backing, be conducive to dissipate the heat that friction block and brake disc contact friction produce, thereby avoided owing to the overheated brake disc that makes occurs turning blue and decrepitation, guaranteed the operating life of brake disc.6, the utility model friction block is replaceable, and brake lining steel backing, elastic support sheet and coil component spring clamp are reusable, are conducive to reduce cost.
The utility model connects simple, and braking ability is good, and application safety is reliable, can be widely used in the disc brake of braking system of bullet train.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the rear view of Fig. 1
Fig. 3 is the A-A sectional view of Fig. 1
Fig. 4 is the utility model brake lining steel back structure schematic representation
Fig. 5 is the rear view of Fig. 4
Fig. 6 is the A-A sectional view of Fig. 4
Fig. 7 is the utility model elastic support sheet structural representation
Fig. 8 is the A-A sectional view of Fig. 7
Fig. 9 is the utility model brake lining brake pad body structure schematic representation
Figure 10 is the A-A sectional view of Fig. 9
Figure 11 is the utility model spring clamp structural representation
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Shown in Fig. 1～3, the utility model comprises upper brake pad steel backing 11, lower brake pad steel backing 12, the friction of some brake linings block 2, some elastic support sheets 3 and some spring clampes 4.
Shown in Fig. 4～6, brake lining steel backing 1 of the present utility model is the arc Split type structure of upper and lower non-full symmetric, adopt steel material be made (forging or casting), top brake lining steel backing 11 is provided with the location and installation hole 112 that is connected with elastic support sheet 3, the mounting hole 114 that is connected with spring clamp 4, the through hole 115 that the guiding coupling shaft of brake lining friction block 2 is passed, short dovetail 111; Bottom brake lining steel backing 12 is provided with the location and installation hole 122 that is connected with elastic support sheet 3, the mounting hole 124 that is connected with spring clamp 4, the through hole 125 that the guiding coupling shaft of brake lining friction block 2 is passed is positioned at the positioning boss 123 of the brake pad 2 at A-A section place, long dovetail 121.
Shown in Fig. 7～8, elastic support sheet 3 of the present utility model is selected the impact briquetting of high-temperature alloy rustproof spring steel material, elastic support sheet 3 tops are provided with spherical 303 and are used for realizing matching with the spherical 212 of friction block coupling shaft root and make the brake lining brake pad body can the rotation of relative resilient support plate, the bottom is provided with fixed support ratchet 301 adjustable elastic support plate elasticity and locates with the brake lining steel backing, and the middle part has the guiding coupling shaft 22 that centre pilot hole 302 is used for installing brake lining friction block.
Shown in Fig. 9～10, brake lining friction block 2 of the present utility model is sintered together and makes together with friction material, friction block steel backing 21, guiding coupling shaft 22 through vacuum pressed by copper based powder metallurgy material, friction block steel backing 21 in the brake lining friction block 2 is by the steel plate punched moulding, and friction block steel backing root is provided with interior spherical 211 and outer spherical supporting surface 212; Guiding coupling shaft 22 is provided with spring card slot 221 and spherical 222; Friction piece 23 is single arc quadrilateral 231, and the center is provided with blind hole 232 can realize the friction piece heat radiation on the one hand, can store on the other hand the buffing of friction piece 23.。
As shown in figure 11, coil component spring clamp 4 of the present utility model adopts spring steel to make, and is provided with a plurality of supporting legs 401 and circular collar 402.
The utility model assembling is as follows:
Bottom fixed support ratchet 301 on each elastic support sheet 3 is inserted respectively on the top brake lining steel backing 11 on corresponding location and installation hole 112 or the bottom steel backing 12 in the corresponding location and installation hole 112; The rub guiding coupling shaft 22 of block 2 of brake lining is passed centre pilot hole 302 and the through hole 115 on the top brake lining steel backing 11 or the through hole 125 on the bottom steel backing 12 on the elastic support sheet 3 successively; Again coil component spring clamp 40 is put into top brake lining steel backing 11 opposite side mounting holes 114 or bottom brake lining steel backing 12 opposite side mounting holes 124, and be installed in the spring card slot 221 of guiding coupling shaft 22.
Repeated several times is arranged brake lining friction block 2 according to Fig. 1, thereby some brake lining friction blocks 2, some elastic support sheets 3 and some coil component spring clamps 4 are assembled on the brake lining steel backing 1.
After the utility model installation, in inserting respectively from below to up dovetail groove on the brake clamp along the dovetail 111 of the dovetail 111 of top brake lining steel backing 11 and bottom steel backing 12, then by the positioning device on the brake clamp brake lining steel backing 1 and brake clamp are fixed.In braking device when work,, retardation pressure acts on the brake lining steel backing, flexibly is delivered on the friction block by some elastic support sheets, and some friction blocks brake disc of steadily fitting is implemented braking.Because the sphere of elastic support sheet and friction block root sphere-contact are so that single arc quadrilateral brake lining friction block can realize that the three-dimensional trace rotates, the friction block that horizontal plane three-dimensional trace rotates can freely adjust until till the adjacent engagement locking such as Fig. 1, simultaneously because any friction block of the elasticity of elastic support sheet and coil component spring clamp can also be done free adjustment in the vertical direction, so that the fricting working surface of friction block farthest contacts with brake disc, dynamic free adjustment process so namely occurs in the moment of braking beginning, also among whole braking process, floating structure can make braking process obtain maximum effectively contact friction area, realizes all carrying.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, Placement etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (7)
1. the brake pad that a Novel friction piece can float, dovetail connects steel back structure is characterized in that: it comprises a split brake lining backboard, the friction of some brake linings block, some elastic support sheets and some coil component spring clamps;
Described split brake lining steel backing is the arc Split type structure of upper and lower non-full symmetric, the part that its top is removed, set up in the bottom, the joint is the skew symmetry structure, the upper and lower dovetail that is connected with brake clamp that is cast with respectively of described brake lining steel backing, described brake lining steel backing top is provided with the mounting-positioning holes that elastic support sheet, coil component spring clamp are installed for fixing described brake lining friction block: its middle and upper part is 8, and the bottom is 9, and the bottom steel backing also is cast with the boss that rotates for the locating friction piece;
Described elastic support sheet is selected the impact briquetting of high-temperature alloy rustproof spring steel material, the elastic support sheet top is provided with spherical and realizes matching with the spherical of friction block coupling shaft root and make the brake lining brake pad body can the rotation of relative resilient support plate, described elastic support sheet bottom is provided with fixed support ratchet adjustable elastic support plate elasticity and locates with the brake lining steel backing, and described elastic support sheet middle part has the coupling shaft that the centre pilot hole is used for installing brake lining friction block;
Described brake lining friction block comprises friction block steel backing, guiding coupling shaft and friction piece, described friction block steel backing root is provided with spherical and matches with the elastic support sheet spherical, described guiding coupling shaft is provided with spring card slot and is used for cooperating with spherical in the friction block steel backing root for coil component spring clamp and spherical are installed, and described friction piece is that hexagonal centre is provided with blind hole;
Described coil component spring clamp is provided with supporting leg and circular collar.
2. the brake pad that a kind of Novel friction piece as claimed in claim 1 can float, dovetail connects steel back structure, it is characterized in that: the arc Split type structure brake lining steel backing of described upper and lower non-full symmetric is Split type structure, can adopt and forge or the casting making.
3. the brake pad that a kind of Novel friction piece as claimed in claim 1 can float, dovetail connects steel back structure, it is characterized in that: described guiding coupling shaft is fitted on the interior spherical of described friction block backboard, and described friction piece and described friction block backboard and guiding coupling shaft are sintered into one.
4. the brake pad that a kind of Novel friction piece as claimed in claim 1 can float, dovetail connects steel back structure, it is characterized in that: the quantity of described elastic support sheet is except 1 at middle part, all the other are for being symmetrical arranged up and down each 8, and the fixed support number of pawls of described elastic support sheet is 4 but variable.
5. the brake pad that a kind of Novel friction piece as claimed in claim 1 or 2 can float, dovetail connects steel back structure, it is characterized in that: described elastic support sheet and described coil component spring clamp have elasticity, can make in the vertical direction flexible adjustment of the relatively described brake lining backboard of described friction block, realize that described elastic support sheet, described coil component spring clamp, described friction block and described brake lining backboard are floating connection.
6. the brake pad that a kind of Novel friction piece as claimed in claim 1 or 2 can float, dovetail connects steel back structure, it is characterized in that: described friction piece, utilize the intermeshing and bottom steel backing positioning boss in Hexagon limit of friction block, realize that described friction block substantially horizontal in described brake lining steel backing mounting plane locks mutually.
7. the brake pad that a kind of Novel friction piece as claimed in claim 1 or 2 can float, dovetail connects steel back structure, it is characterized in that: the structure of described each parts, Placement etc. all can change to some extent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202638564U CN202790228U (en) | 2012-06-06 | 2012-06-06 | Braking pad of friction block floatable dovetailing steel back structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202638564U CN202790228U (en) | 2012-06-06 | 2012-06-06 | Braking pad of friction block floatable dovetailing steel back structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790228U true CN202790228U (en) | 2013-03-13 |
Family
ID=47817494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202638564U Expired - Lifetime CN202790228U (en) | 2012-06-06 | 2012-06-06 | Braking pad of friction block floatable dovetailing steel back structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790228U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927170A (en) * | 2012-06-05 | 2013-02-13 | 北京天宜上佳新材料有限公司 | Novel brake pad with dovetailing steel back structure and floatable friction blocks |
| CN103883654A (en) * | 2014-03-19 | 2014-06-25 | 博深工具股份有限公司 | Double-backboard two-level floating brake pad |
| WO2014121704A1 (en) * | 2013-02-06 | 2014-08-14 | 北京天宜上佳新材料有限公司 | Floating type brake pad for train |
| CN104455103A (en) * | 2014-12-10 | 2015-03-25 | 贵州新安航空机械有限责任公司 | Brake pad |
| CN106481703A (en) * | 2016-11-25 | 2017-03-08 | 中车长春轨道客车股份有限公司 | A kind of hydraulic brake unit braking force test device |
| CN109931352A (en) * | 2017-12-18 | 2019-06-25 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic floating brake lining |
-
2012
- 2012-06-06 CN CN2012202638564U patent/CN202790228U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927170A (en) * | 2012-06-05 | 2013-02-13 | 北京天宜上佳新材料有限公司 | Novel brake pad with dovetailing steel back structure and floatable friction blocks |
| WO2014121704A1 (en) * | 2013-02-06 | 2014-08-14 | 北京天宜上佳新材料有限公司 | Floating type brake pad for train |
| EA029606B1 (en) * | 2013-02-06 | 2018-04-30 | Бейджинг Тяньишанцзя Нью Матириал Корп., Лтд | Floating brake pad for a train |
| CN103883654A (en) * | 2014-03-19 | 2014-06-25 | 博深工具股份有限公司 | Double-backboard two-level floating brake pad |
| CN103883654B (en) * | 2014-03-19 | 2016-01-13 | 博深工具股份有限公司 | Two backboard two-stage floatation type brake pad |
| CN104455103A (en) * | 2014-12-10 | 2015-03-25 | 贵州新安航空机械有限责任公司 | Brake pad |
| CN106481703A (en) * | 2016-11-25 | 2017-03-08 | 中车长春轨道客车股份有限公司 | A kind of hydraulic brake unit braking force test device |
| CN109931352A (en) * | 2017-12-18 | 2019-06-25 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic floating brake lining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100094 Beijing city Haidian District Town West Xin Li Tun Cun Nan Railway North 500 meters Patentee after: Beijing Tianyi good new materials Limited by Share Ltd Address before: 100094 Beijing city Haidian District Town West Xin Li Tun Cun Nan Railway North 500 meters Patentee before: Beijing Tianyishangjia New Materials Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102206 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee after: Beijing Tianyi good high-tech materials Limited by Share Ltd Address before: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee before: Beijing Tianyi good new materials Limited by Share Ltd |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |