CN103591193A - Split-type brake disc - Google Patents
Split-type brake disc Download PDFInfo
- Publication number
- CN103591193A CN103591193A CN201310550711.1A CN201310550711A CN103591193A CN 103591193 A CN103591193 A CN 103591193A CN 201310550711 A CN201310550711 A CN 201310550711A CN 103591193 A CN103591193 A CN 103591193A
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- China
- Prior art keywords
- hub
- brake pad
- friction
- radiating fin
- brake disc
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- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 230000008646 thermal stress Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008642 heat stress Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
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Abstract
The invention discloses a split-type brake disc. The split-type brake disc comprises a disc hub, friction blocks and installation pins. The disc hub is provided with a middle hole. The number of the friction blocks is an odd number larger than three; each friction block comprises two friction plates and a plurality of radiation ribs, wherein the radiation ribs are located between the two friction pieces, and the two friction plates and the radiation ribs of the friction block are integrally formed or fixedly connected. Flanges of the disc hub are located between the two friction plates of each friction block. Each friction plate is provided with an installation boss, and the installation bosses are provided with installation holes. The flanges of the disc hub are provided with flange holes. The installation pins penetrate through the installation holes in the installation bosses and the flanges holes in the flanges so that the friction blocks can be fixedly connected with the disc hub. The friction blocks are installed on the disc hub in an annularly-arrayed mode, and a gap exists between every two adjacent friction blocks. The split-type brake disc is good in thermal stress relief effect, reliable in installation and convenient to disassemble and assemble.
Description
Technical field
The present invention relates to a kind of braking device of train, especially a kind of brake disc for train braking.
Background technique
Brake disc is the important component part of train foundation brake, compresses brake disc rubbing surface realize train braking by brake pad, guarantees train safe, operation stably.In braking process, friction disk card temperature can sharply rise, brake disc also can expanded by heating, produce larger thermal stress, existing brake disc structure be generally integrated type or two split type, during expanded by heating, can only radially outwards expand, can not make thermal stress be discharged fully, thereby cause brake disc to crack, affect traffic safety; Meanwhile, traditional friction disk is to be all fixedly connected with hub by bolt and nut, is equipped with locating stud or resilient key carry-over moment simultaneously, and this Placement installation and removal are all more loaded down with trivial details.
Summary of the invention
The object of the present invention is to provide a kind of safe and reliable, abundant releasing heat stress, simple load and unload split type brake disc.
In order to achieve the above object, technological scheme of the present invention is: a kind of split type brake disc, comprise hub, hub is provided with mesopore, also there is brake pad and mount pin, brake pad has three above and is odd number, brake pad comprises two friction plates and some radiating fin, radiating fin is between two friction plates, two friction plates of brake pad are made one or are fixedly connected with some radiating fin, the flange of hub is between two friction plates of brake pad, on every friction plate, be equipped with installation base, installation base is provided with mounting hole, the flange of hub is provided with flange hole, mount pin is through the mounting hole of installation base and the flange hole of flange, brake pad is fixedly connected with hub, brake pad is arranged ringwise and is contained in hub, between adjacent two brake pads, there is gap S1.
Also have locating stud, on two end faces of friction plate, be equipped with positioning hole, locating stud is contained in the positioning hole of adjacent friction plate.
Between described adjacent friction plate, by positioning convex and the positioning groove arranging on end face, coordinate.
Also have seal disc and jump ring, the place, two ends that is positioned at mount pin in the mounting hole of brake pad is equipped with draw-in groove, and seal disc and jump ring are all installed in draw-in groove.
Described brake pad has 3 or 5 or 7 or 9 or 11, and the gap S1 between adjacent two brake pads is 0.5 ~ 2mm.
Described brake pad is 5, and the gap S1 between adjacent two brake pads is 1 ± 0.2mm.
Described radiating fin is radiating fin radially, forms heat radiation gap S2 between adjacent two radiating fin.
The inner of described radiating fin has the groove of dodging, and the flange of hub stretches into dodges in groove.
The installation base of described friction plate is positioned at the middle part of friction plate intrados.
The flange drive fit of circumferential outermost one or two radiating fin and the hub of described every brake pad.
Adopt after said structure, owing to also thering are the three above brake pad that is odd number and mount pins, brake pad comprises two friction plates and some radiating fin, radiating fin is between two friction plates, two friction plates are made one or are fixedly connected with some radiating fin, the flange of hub is between two friction plates of brake pad, on every friction plate, be equipped with installation base, installation base is provided with mounting hole, on the flange of hub, be also provided with flange hole, mount pin is through mounting hole and flange hole, brake pad is fixedly connected with hub, transmit friction torque simultaneously, guarantee the safe and reliable of braking, and install, convenient disassembly, brake pad is arranged ringwise and is contained in hub, is equipped with gap S1 between adjacent brake pad, when brake disc is heated, both can radially expand, and also can thermal stress fully be discharged along circumferential expansion, further improves the safety of driving, when brake pad is installed, to between adjacent brake pad, by locating stud or boss/groove, position, overall package in hub, the degrees of freedom that so effectively limiting friction piece rotates around mount pin under braking torque effect, and it is just replaceable not need to move back wheel, maintains easily, radiating fin adopts radially radiating fin, between adjacent two radiating fin, form heat radiation gap S2, every radiating fin the inner has the groove of dodging, installation base is positioned at the middle part of friction plate intrados, the flange drive fit of circumferential outermost one or two radiating fin and the hub of every brake pad, improve brake disc radiating effect, further limited brake pad degrees of freedom vertically simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is I portion enlarged view in Fig. 2;
Fig. 4 is the stereogram of brake pad;
Fig. 5 is that adjacent two brake pads of Fig. 1 are installed the another kind of structural representation of location.
Embodiment
The present invention is further detailed explanation for the embodiment who provides below in conjunction with accompanying drawing.
Referring to Fig. 1, 2, 3, shown in 4, a kind of split type brake disc, comprise hub 1, hub 1 is provided with mesopore 1-1, also there is brake pad 2 and mount pin 4, brake pad 2 comprises two friction plate 2-4 and some radiating fin 2-1, radiating fin 2-1 is between two friction plate 2-4, two friction plate 2-4 make one or are fixedly connected with some radiating fin 2-1, between adjacent two radiating fin 2-1, form heat radiation gap S2, on every friction plate 2-4, be equipped with installation base 2-4-1, installation base 2-4-1 is provided with mounting hole 2-4-2, on the flange 1-2 of hub 1, be also provided with flange hole 1-2-1, mount pin 4 is through mounting hole 2-4-2 and flange hole 1-2-1, brake pad 2 is fixedly connected with hub 1, brake pad 2 is arranged ringwise and is contained in hub 1, between adjacent brake pad 2, there is gap S1.
Shown in Fig. 1,2,4, in order to make the degrees of freedom that adjacent brake pad 2 is solid and reliable, restriction is rotated around mount pin, brake pad is formed to an integral body, also there is locating stud 3, on two end faces of friction plate 2-4, be equipped with positioning hole 2-2, locating stud 3 is contained in the positioning hole 2-2 of adjacent friction plate 2-4.
Shown in Figure 5, with respect to the Placement that adopts locating stud 3, the present invention can extend the second structure, between described adjacent friction plate 2-4, by positioning convex 2-8 and the positioning groove 2-9 arranging on end face, coordinate, be to there is overhanging positioning convex 2-8 or positioning groove 2-9 on the end face of described friction plate 2-4, and on the adjacent face of the friction plate 2-4 that this friction plate 2-4 is adjacent, there is the positioning groove 2-9 or the positioning convex 2-8 that are mated, positioning convex 2-8 is inserted in positioning groove 2-9, can play equally installation and the locating effect of two adjacent brake pads 2, do not limit to above two kinds of structures simultaneously.
Shown in Figure 3, in order to limit the axial freedom of locating stud 4, guarantee the clean of locating stud 4 simultaneously, to improve its working life, also there is seal disc 5 and jump ring 6, in the mounting hole 2-4-2 of brake pad 2, be positioned at mount pin 4 two ends places and be equipped with radially draw-in groove 2-3-1, seal disc 5 and jump ring 6 are all installed on radially in draw-in groove 2-3-1.
Shown in Figure 1, in order to meet the actual needs that use, further can reduce the STRESS VARIATION of brake disc to improve its working life.Described brake pad 2 is 5, and the gap S2 between adjacent two brake pads 2 is 1mm.Certainly, in the present embodiment, brake pad 2 also can form for the odd number piece sectors by more than 3 or 3.
Shown in Figure 4, in order to make hub 1 can be inserted in brake pad 2, and limiting friction piece 2 rocks, and described every radiating fin 2-1 is radiating fin radially, and the inner of radiating fin 2-1 has the groove of dodging 2-1-1, and the flange 1-2 of hub 1 stretches into and dodges in groove 2-1-1; The installation base 2-4-1 of described friction plate 2-4 is positioned at the middle part of friction plate 2-4 intrados; Circumferential outermost two radiating fin 2-1 of described every brake pad 2 and the flange 1-2 drive fit of hub 1, brake pad 2 is in when assembling like this, two ends and middle part respectively with installation base 2-4-1 and radiating fin 2-1 drive fit.
Shown in Fig. 1,2,3, when the present invention uses, when needs are braked, brake lining contacts with the outer surface of brake pad 2 and produces frictional force, and brake pad 2 is fixedly connected with by mount pin 4 with hub 1, and friction torque is delivered to hub 1 from mount pin 4, hub is connected with axletree, and final realization stopped.In this process, the surface temperature of brake pad 2 can sharply rise, brake disc also can expanded by heating, produce larger thermal stress, owing to being equipped with gap S1 between adjacent brake pad 2, when being heated, brake disc both can radially expand, and also can be along circumferential expansion, thermal stress is fully discharged, and form heat radiation gap S2 between some radiating fin 2-1 of brake pad 2 and adjacent two radiating fin 2-1, just can well play thermolysis; The present invention when mounted, five brake pads 2 are distributed on hub 1 outside and radially move and be combined into whole disk body to the inside simultaneously, friction plate 2-4 is provided with installation base 2-4-1, mount pin 4 is through mounting hole 2-4-2 and flange hole 1-2-1, brake pad 2 is fixedly connected with hub 1, after having assembled, between adjacent brake pad 2, have 1mm gap, install reliably, mounting or dismounting are convenient.
Claims (10)
1. a split type brake disc, comprise hub (1), hub (1) is provided with mesopore (1-1), it is characterized in that: also there is brake pad (2) and mount pin (4), brake pad (2) has three above and is odd number, brake pad (2) comprises two friction plates (2-4) and some radiating fin (2-1), radiating fin (2-1) is positioned between two friction plates (2-4), two friction plates (2-4) of brake pad (2) are made one or are fixedly connected with some radiating fin (2-1), the flange (1-2) of hub (1) is positioned between two friction plates (2-4) of brake pad (2), on every friction plate (2-4), be equipped with installation base (2-4-1), installation base (2-4-1) is provided with mounting hole (2-4-2), the flange (1-2) of hub (1) is provided with flange hole (1-2-1), mount pin (4) is through the mounting hole (2-4-2) of installation base (2-4-1) and the flange hole (1-2-1) of flange (1-2), brake pad (2) is fixedly connected with hub (1), brake pad (2) is arranged ringwise and is contained in hub (1), between adjacent two brake pads (2), there is gap S1.
2. split type brake disc according to claim 1, it is characterized in that: also there is locating stud (3), on two end faces of friction plate (2-4), be equipped with positioning hole (2-2), locating stud (3) is contained in the positioning hole (2-2) of adjacent friction plate (2-4).
3. split type brake disc according to claim 1, is characterized in that: between described adjacent friction plate (2-4), by positioning convex (2-8) and the positioning groove (2-9) arranging on end face, coordinate.
4. split type brake disc according to claim 1, it is characterized in that: also there is seal disc (5) and jump ring (6), the place, two ends that is positioned at mount pin (4) in the mounting hole (2-4-2) of brake pad (2) is equipped with draw-in groove (2-3-1), and seal disc (5) and jump ring (6) are all installed in draw-in groove (2-3-1).
5. split type brake disc according to claim 1, is characterized in that: described brake pad (2) has 3 or 5 or 7 or 9 or 11, and the gap S1 between adjacent two brake pads (2) is 0.5 ~ 2mm.
6. split type brake disc according to claim 5, it is characterized in that: described brake pad (2) is 5, and the gap S1 between adjacent two brake pads (2) is 1 ± 0.2mm.
7. split type brake disc according to claim 1, is characterized in that: described radiating fin (2-1) is radiating fin radially, forms heat radiation gap S2 between adjacent two radiating fin.
8. split type brake disc according to claim 1, is characterized in that: the inner of described radiating fin (2-1) has the groove of dodging (2-1-1), and the flange (1-2) of hub (1) stretches into dodges in groove (2-1-1).
9. split type brake disc according to claim 8, is characterized in that: the installation base (2-4-1) of described friction plate (2-4) is positioned at the middle part of friction plate (2-4) intrados.
10. split type brake disc according to claim 9, is characterized in that: circumferential outermost or two radiating fin (2-1) of described brake pad (2) and flange (1-2) drive fit of hub (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310550711.1A CN103591193B (en) | 2013-11-09 | 2013-11-09 | Split-type brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310550711.1A CN103591193B (en) | 2013-11-09 | 2013-11-09 | Split-type brake disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591193A true CN103591193A (en) | 2014-02-19 |
| CN103591193B CN103591193B (en) | 2016-02-03 |
Family
ID=50081454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310550711.1A Active CN103591193B (en) | 2013-11-09 | 2013-11-09 | Split-type brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591193B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084212A (en) * | 2017-05-11 | 2017-08-22 | 湖北大帆金属制品有限公司 | A kind of split type uncoiling brake disc |
| KR20190086776A (en) * | 2016-12-12 | 2019-07-23 | 웨스팅하우스 에어 브레이크 테크놀러지스 코포레이션 | Breathable brake disc |
| WO2020172169A1 (en) * | 2019-02-21 | 2020-08-27 | Westinghouse Air Brake Technologies Corporation | Brake disc assembly and method |
| CN111594559A (en) * | 2020-06-10 | 2020-08-28 | 南京中车浦镇海泰制动设备有限公司 | Split wheel-mounted brake disc |
| CN114562526A (en) * | 2022-03-01 | 2022-05-31 | 山东倍瑞恳新材料有限公司 | Split type rail vehicle brake disc convenient to dismantle and change |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1151060A (en) * | 1967-04-07 | 1969-05-07 | Knorr Bremse Gmbh | Wheel Element with Brake Disc, more especially for Rail Vehicles. |
| JPH09100852A (en) * | 1995-10-02 | 1997-04-15 | Akebono Brake Ind Co Ltd | Brake disc mounting device |
| EP0863326A2 (en) * | 1997-03-05 | 1998-09-09 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Shaft brake disc for disc brakes of railway vehicles |
| CN201129382Y (en) * | 2007-11-06 | 2008-10-08 | 常州市铁马科技实业有限公司 | Axis loading brake disk |
| CN201944156U (en) * | 2011-01-18 | 2011-08-24 | 南车株洲电力机车有限公司 | Brake disc |
| CN203641345U (en) * | 2013-11-09 | 2014-06-11 | 常州南车铁马科技实业有限公司 | Split type brake disc |
-
2013
- 2013-11-09 CN CN201310550711.1A patent/CN103591193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1151060A (en) * | 1967-04-07 | 1969-05-07 | Knorr Bremse Gmbh | Wheel Element with Brake Disc, more especially for Rail Vehicles. |
| JPH09100852A (en) * | 1995-10-02 | 1997-04-15 | Akebono Brake Ind Co Ltd | Brake disc mounting device |
| EP0863326A2 (en) * | 1997-03-05 | 1998-09-09 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Shaft brake disc for disc brakes of railway vehicles |
| CN201129382Y (en) * | 2007-11-06 | 2008-10-08 | 常州市铁马科技实业有限公司 | Axis loading brake disk |
| CN201944156U (en) * | 2011-01-18 | 2011-08-24 | 南车株洲电力机车有限公司 | Brake disc |
| CN203641345U (en) * | 2013-11-09 | 2014-06-11 | 常州南车铁马科技实业有限公司 | Split type brake disc |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190086776A (en) * | 2016-12-12 | 2019-07-23 | 웨스팅하우스 에어 브레이크 테크놀러지스 코포레이션 | Breathable brake disc |
| CN110062854A (en) * | 2016-12-12 | 2019-07-26 | 西屋空气制动技术公司 | Ventilating retarding disk |
| CN113864370A (en) * | 2016-12-12 | 2021-12-31 | 西屋空气制动技术公司 | Ventilated brake disc |
| KR20220146699A (en) * | 2016-12-12 | 2022-11-01 | 웨스팅하우스 에어 브레이크 테크놀러지스 코포레이션 | Ventilated brake disc |
| KR102517077B1 (en) * | 2016-12-12 | 2023-04-03 | 웨스팅하우스 에어 브레이크 테크놀러지스 코포레이션 | breathable brake discs |
| KR102560089B1 (en) * | 2016-12-12 | 2023-07-27 | 웨스팅하우스 에어 브레이크 테크놀러지스 코포레이션 | Ventilated brake disc |
| CN107084212A (en) * | 2017-05-11 | 2017-08-22 | 湖北大帆金属制品有限公司 | A kind of split type uncoiling brake disc |
| WO2020172169A1 (en) * | 2019-02-21 | 2020-08-27 | Westinghouse Air Brake Technologies Corporation | Brake disc assembly and method |
| CN111594559A (en) * | 2020-06-10 | 2020-08-28 | 南京中车浦镇海泰制动设备有限公司 | Split wheel-mounted brake disc |
| CN111594559B (en) * | 2020-06-10 | 2021-12-10 | 南京中车浦镇海泰制动设备有限公司 | Split wheel-mounted brake disc |
| CN114562526A (en) * | 2022-03-01 | 2022-05-31 | 山东倍瑞恳新材料有限公司 | Split type rail vehicle brake disc convenient to dismantle and change |
| CN114562526B (en) * | 2022-03-01 | 2024-01-23 | 山东倍瑞恳新材料有限公司 | Split type rail vehicle brake disc convenient to dismantle and change |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591193B (en) | 2016-02-03 |
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Address after: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Co-patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
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Address after: 213125 Jiangsu Province, Changzhou New District Xue Zhen Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Co-patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
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Address after: 213125 No.19 Shunyuan Road, Xuejia Town, Xinbei District, Changzhou, Jiangsu Province Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213125 No.19 Shunyuan Road, Xuejia Town, Xinbei District, Changzhou, Jiangsu Province Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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