CN205745031U - A kind of brake pad used for rail vehicle - Google Patents
A kind of brake pad used for rail vehicle Download PDFInfo
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- CN205745031U CN205745031U CN201521093625.3U CN201521093625U CN205745031U CN 205745031 U CN205745031 U CN 205745031U CN 201521093625 U CN201521093625 U CN 201521093625U CN 205745031 U CN205745031 U CN 205745031U
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- backboard
- brake pad
- steel back
- rail vehicle
- steel
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Abstract
A kind of brake pad used for rail vehicle, there is coattail board, the steel back of the body, flexible member and brake pad, the side that described coattail board is carried on the back with steel is fixing to be connected or is formed integrally with the steel back of the body, described brake pad has several and is respectively fixedly connected with on the opposite side of the steel back of the body, described brake pad includes friction piece and backboard, described powder mass is fixing with backboard to be connected, the backboard of described brake pad is that class is triangular shaped, and each backboard is provided with the friction piece of three cylindrical shapes, backboard is connected by rivet or bolt are fixing with the steel back of the body.Brake pad of the present utility model uses cylinder, it is not easy to assemble abrasive dust, ensure that the abrasive dust of brake lining and brake disc can be discharged in time, it is prevented effectively from abrasive dust and is mixed between brake disc and the rubbing surface of brake pad scuffing brake disc and brake lining surface, and it being respectively provided with gap between adjacent backboard and between friction piece so that brake lining chip removal and ventilation and heat performance in braking procedure is excellent.
Description
Technical field
This utility model relates to a kind of brake unit, is specifically related to a kind of brake pad used for rail vehicle.
Background technology
Gradually advance to western, northeast along with state-owned railroads are built, China is western and northeast region is vast in territory, and weather conditions are severe, and rail track has climatic characteristic and the environmental quality of its uniqueness, Lan Xin line (Lanzhou-Xinjiang) is representative, and this circuit has the features such as high and cold or dust storm is bigger.The friction particles structure of existing brake lining is based on triangle, square and hexagon.Particularity due to its climatic environment, by facts have proved: existing structure brake pad product is western in China, gradually expose problem in the application of the Northeast, problem with Performance Match unreasonable due to product structure design, manufacture gap between brake pad little, the foreign material such as sleet ice cube and the grains of sand are easy to be collected at the connecting portion between brake pad hole and brake pad and brake pad or gap minimum, As time goes on, foreign material are cumulative, it is unfavorable for the heat radiation of brake lining, ultimately causes antithesis brake disc surface and scratch.
Summary of the invention
The purpose of this utility model is to provide one and is easy to chip removal and heat radiation, is difficult to scratch the brake pad of brake disc during use.
To achieve these goals, the technical solution of the utility model is: a kind of brake pad, there is the steel back of the body, brake pad, coattail board and flexible member, the side that described coattail board is carried on the back with steel is fixing to be connected or is formed integrally with the steel back of the body, described brake pad has several and is respectively fixedly connected with on the opposite side of the steel back of the body, described brake pad includes friction piece and backboard, described friction piece is fixing with backboard to be connected, it is improved by: the backboard of described brake pad is that class is triangular shaped, each backboard is provided with three columned friction pieces, and three friction piece distributions triangular in shape on each backboard, described backboard is connected by rivet or bolt are fixing with the steel back of the body, it is respectively provided with gap between adjacent friction piece.
In technique scheme, each backboard is by three rivets and three rivet distributions triangular in shape on the steel back of the body riveting, and each backboard.
In technique scheme, described steel knapsack includes the left steel back of the body and right steel is carried on the back, and symmetrical shape carried on the back by left steel back of the body 1-1 and right steel.
In technique scheme, the opposite side of the described steel back of the body is provided with several cannelures relative with backboard, and described flexible member is positioned at cannelure, and flexible member is disc spring, its thickness offsets with the bottom surface of cannelure more than its miner diameter end of the degree of depth of described cannelure, and bigger diameter end offsets with backboard.
In technique scheme, described steel back of the body opposite side is provided with the circular trough relative with backboard, and described flexible member is positioned at circular trough, and flexible member is flat shim, and its thickness is more than the degree of depth of described circular trough.
In technique scheme, the surface of described backboard has copper plate.
In technique scheme, the gap between two friction pieces that each backboard is adjacent is 3 ~ 30mm, and the gap between adjacent backboard is more than 1mm.
In technique scheme, the carrying on the back adjacent side with steel and be provided with positive stop lug boss of described backboard, and with the pit corresponding matching in the respective side of the steel back of the body.
In technique scheme, the side of the described steel back of the body is provided with the heavy chamber for accommodating rivet cap portion.
In technique scheme, the one end, heavy chamber that is positioned at of described rivet is round end shape.
The good effect that this utility model is had is: brake pad uses cylinder, it is not easy to assemble abrasive dust, ensure that the abrasive dust of brake lining and brake disc can be discharged in time, it is prevented effectively from abrasive dust and is mixed between brake disc and the rubbing surface of brake pad scuffing brake disc and brake lining surface, and it is respectively provided with gap between adjacent backboard and between friction piece, make brake lining chip removal and ventilation and heat performance in braking procedure excellent, rapidly the heat on brake area can be shed in time, reduce brake lining and the surface temperature of brake disc, can effectively reduce the abrasion loss of brake lining and brake disc.
Accompanying drawing explanation
Fig. 1 is schematic front view of the present utility model；
Fig. 2 is schematic rear view of the present utility model；
Fig. 3 is that the B in Fig. 1 is to schematic diagram；
Fig. 4 is the A-A cross-sectional schematic that Fig. 1 removes coattail board；
Fig. 5 is the schematic diagram that this utility model removes coattail board and embodiment that flexible member is flat shim；
Fig. 6 is the schematic diagram that this utility model removes coattail board and embodiment that rivet is conical head rivet.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that is given, this utility model is further described.
As shown in Fig. 1 ~ 4, a kind of brake pad used for rail vehicle, there is the steel back of the body 1, brake pad 2, coattail board 5 and flexible member 7, described coattail board 5 is fixing with the side of the steel back of the body 1 to be connected or is formed integrally with the steel back of the body 1, described brake pad 2 has several and is respectively fixedly connected with on the opposite side of the steel back of the body 1, described brake pad 2 includes friction piece 2-1 and backboard 2-2, described friction piece 2-1 and backboard 2-2 is fixing to be connected, the backboard 2-2 of described brake pad 2 is that class is triangular shaped, each backboard 2-2 is provided with three columned friction piece 2-1, and three friction piece 2-1 distributions triangular in shape on each backboard 2-2, described backboard 2-2 is connected by rivet 4 or bolt are fixing with the steel back of the body 1, it is respectively provided with gap between adjacent friction piece 2-1.
As shown in Figure 1, each backboard 2-2 carries on the back 1 riveting by three rivets 4 and steel, and three rivet 4 distributions triangular in shape on each backboard 2-2, or with 1 big rivet 4, backboard 2-2 is carried on the back 1 riveting with steel in the centre of backboard 2-2, and equipped with 3 positioning boss on backboard 2-2, with prevent brake pad 2 by brake force FREE TORSION, it is possible to use to carry on the back at backboard 2-2 and steel and alignment pin is installed between 1 prevents brake pad 2 FREE TORSION.
The described steel back of the body 1 includes left steel back of the body 1-1 and right steel back of the body 1-2, and 1-2 symmetrical shape carried on the back by left steel back of the body 1-1 and right steel.
As shown in Figure 4, the opposite side of the described steel back of the body 1 is provided with several cannelure 1-3s relative with backboard 2-2, described flexible member is positioned at cannelure 1-3, and flexible member 7 is disc spring, its thickness its miner diameter end of the degree of depth more than described cannelure 1-3 offsets with the bottom surface of cannelure 1-3, and bigger diameter end offsets with backboard 2-2.Can certainly be that described flexible member 7 is positioned at circular trough 1-4, and flexible member 7 is flat shim as it is shown in figure 5,1 opposite side carried on the back by described steel is provided with the circular trough 1-4 relative with backboard 2-2, its thickness degree of depth more than described circular trough 1-4.
The surface of described backboard 2-2 has copper plate, and brake lining sintering process uses pressure sintering, improve further the bond area between brake pad 2 friction piece 2-1 and backboard 2-2 and shear strength, can effectively prevent brake pad from will not fall off under the influence of high pressure and temperature, the phenomenon such as defect and performance degradation.
Gap between each two adjacent for backboard 2-2 friction piece 2-1 is 3 ~ 30mm, and the gap between adjacent backboard 2-2 is more than 1mm.
The 1 adjacent side of carrying on the back with steel of described backboard 2-2 is provided with positive stop lug boss 2-2-1, and with the pit 1-6 corresponding matching in the respective side of the steel back of the body 1.
As shown in Fig. 2,5,6, the side of the described steel back of the body 1 is provided with the heavy chamber 1-5 for accommodating rivet 4 cap portion, and the degree of depth that the height in rivet 4 cap portion is less than heavy chamber 1-5.The 1-5 one end, heavy chamber that is positioned at of rivet 4 is round end shape, the most smooth in making heavy chamber 1-5, and is convenient to clean and discharges abrasive dust, the other end of rivet 4 can upset formation boss, its height can wear away the mark of limit as brake lining.
Claims (10)
- null1. a brake pad used for rail vehicle，There is the steel back of the body (1)、Brake pad (2)、Coattail board (5) and flexible member (7)，Described coattail board (5) is fixing with the side of the steel back of the body (1) to be connected or is formed integrally with the steel back of the body (1)，Described brake pad (2) has several and is respectively fixedly connected with on the opposite side of the steel back of the body (1)，Described brake pad (2) includes friction piece (2-1) and backboard (2-2)，Described friction piece (2-1) is fixing with backboard (2-2) to be connected，It is characterized in that: the backboard (2-2) of described brake pad (2) is triangular shaped in class，Each backboard (2-2) is provided with three columned friction pieces (2-1)，And three friction pieces (2-1) distribution triangular in shape on each backboard (2-2)，Described backboard (2-2) is connected by rivet (4) or bolt are fixing with the steel back of the body (1)，It is respectively provided with gap between adjacent friction piece (2-1).
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: each backboard (2-2) is by three rivets (4) and three rivets (4) distribution triangular in shape on the steel back of the body (1) riveting, and each backboard (2-2).
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: the described steel back of the body (1) includes the left steel back of the body (1-1) and the right steel back of the body (1-2), and (1-2) symmetrical shape carried on the back by the left steel back of the body (1-1) and right steel.
- Brake pad used for rail vehicle the most according to claim 1, it is characterized in that: the opposite side of the described steel back of the body (1) is provided with several cannelures (1-3) relative with backboard (2-2), described flexible member (7) is positioned at cannelure (1-3), and flexible member (7) is disc spring, its thickness is more than the degree of depth of described cannelure (1-3), its miner diameter end offsets with the bottom surface of cannelure (1-3), and bigger diameter end offsets with backboard (2-2).
- Brake pad used for rail vehicle the most according to claim 1, it is characterized in that: the opposite side of the described steel back of the body (1) is provided with the circular trough (1-4) relative with backboard (2-2), described flexible member (7) is positioned at circular trough (1-4), and flexible member (7) is flat shim, its thickness is more than the degree of depth of described circular trough (1-4).
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: the surface of described backboard (2-2) has copper plate.
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: the gap between two friction pieces (2-1) that each backboard (2-2) is adjacent is 3 ~ 30mm, and the gap between adjacent backboard (2-2) is more than 1mm.
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: (1) adjacent side of carrying on the back with steel of described backboard (2-2) is provided with positive stop lug boss (2-2-1), and carries on the back pit (1-6) corresponding matching in the respective side of (1) with steel.
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: the side of the described steel back of the body (1) is provided with the heavy chamber (1-5) for accommodating rivet (4) cap portion.
- Brake pad used for rail vehicle the most according to claim 1, it is characterised in that: heavy chamber (1-5) one end that is positioned at of described rivet (4) is round end shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521093625.3U CN205745031U (en) | 2015-12-25 | 2015-12-25 | A kind of brake pad used for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521093625.3U CN205745031U (en) | 2015-12-25 | 2015-12-25 | A kind of brake pad used for rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745031U true CN205745031U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521093625.3U Active CN205745031U (en) | 2015-12-25 | 2015-12-25 | A kind of brake pad used for rail vehicle |
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| Country | Link |
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| CN (1) | CN205745031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559360A (en) * | 2017-10-16 | 2018-01-09 | 北京天宜上佳新材料股份有限公司 | A kind of train brake pad and train braking system |
| CN111075871A (en) * | 2020-01-07 | 2020-04-28 | 湖南城际科技有限公司 | Powder metallurgy brake pad for train |
-
2015
- 2015-12-25 CN CN201521093625.3U patent/CN205745031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559360A (en) * | 2017-10-16 | 2018-01-09 | 北京天宜上佳新材料股份有限公司 | A kind of train brake pad and train braking system |
| CN111075871A (en) * | 2020-01-07 | 2020-04-28 | 湖南城际科技有限公司 | Powder metallurgy brake pad for train |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 213125 Jiangsu Province, Changzhou New District Xue Zhen Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Patentee before: CSR Changzhou Tech-Mark Industrial Co., Ltd. |