CN103671652B - What have gap adjustment function parks oil cylinder - Google Patents
What have gap adjustment function parks oil cylinder Download PDFInfo
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- CN103671652B CN103671652B CN201210354897.9A CN201210354897A CN103671652B CN 103671652 B CN103671652 B CN 103671652B CN 201210354897 A CN201210354897 A CN 201210354897A CN 103671652 B CN103671652 B CN 103671652B
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- guide rod
- nut
- piston
- adjustment function
- lining
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- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Abstract
The invention discloses a kind of there is gap adjustment function park oil cylinder, piston is offseted by thrust-bearing and bulb plunger, the other end of adjusting nut has outside thread, the internal thread of guiding nut is threaded with the outside thread of adjusting nut, the endoporus of guiding nut periphery and tapered sleeve is slidably matched, stop collar is fixed on back cylinder cover, the inner hole sleeve of stop collar is on guide rod, and by guide rod and back cylinder cover axial restraint, one end of stop collar has spacing flange, one end of guiding nut has inside spacing reducing, spacing flange can offset with spacing reducing, conical surface lining is fixedly set on back cylinder cover, the periphery of conical surface lining and the endoporus of tapered sleeve are slidably matched, and one end of conical surface lining has lining taper hole, the periphery of guiding nut has circular cone, circular cone can stretch in lining taper hole.Gap adjusting structure is arranged in master cylinder by the present invention, save installing space and, compact structure there is gap adjustment function park oil cylinder.
Description
Technical field
The present invention relates to a kind of parts of rail traffic vehicles brake clamp, especially a kind of brake clamp brake lining gap can be made to adjust park oil cylinder.
Background technique
Foundation brake system, as the important component part of rail traffic vehicles, in order to brake more rapidly, generally has lash adjusting device in its braking system, for compensating the wearing and tearing of brake lining and brake disc in braking, prevents brake lining and brake disc excesssive gap.Current clamp lash adjusting device generally exists independent of master cylinder or in one end of master cylinder, its adjustment mode adopts mechanical whorl structure or frictional damping structure to realize usually, but along with the increase of axle weight, new requirement, the brake lining clearance adjustment mechanism needing development structure compact, powerful are proposed to installation dimension etc.
Summary of the invention
The object of the present invention is to provide a kind of compact structure, save installing space there is gap adjustment function park oil cylinder.
In order to achieve the above object, technological scheme of the present invention is: a kind of there is gap adjustment function park oil cylinder, comprise cylinder body, back cylinder cover, front end housing, piston and mounting flange, back cylinder cover and front end housing are fixedly connected with the two ends of cylinder body respectively, mounting flange is fixedly connected with front end housing, mounting flange has piston hole, piston is through front end housing, and coordinate with the piston hole slippage of mounting flange, front end housing has oil inlet hole, also there is adjusting axle, tapered sleeve, adjusting nut, guiding nut, conical surface lining, guide rod, stop collar and elastic component, elastic component is sleeved on tapered sleeve, one end and the tapered sleeve of elastic component offset, the other end and back cylinder cover are offseted or are offseted by pad and back cylinder cover, adjusting nut is positioned at tapered sleeve, and adjusting nut periphery has the annular adjustment conical surface, tapered sleeve has the taper hole regulating cone match with annular, one end of guide rod and back cylinder cover axial restraint, adjusting axle and piston load, the inner of adjusting axle has external thread section, and there is pilot hole, the other end of guide rod to stretch in pilot hole and with pilot hole axial sliding fit, adjusting nut is threaded with the external thread section of adjusting axle, and one end of adjusting nut has multiple bulb plunger, piston and bulb plunger offset, the other end of adjusting nut has outside thread, the internal thread of guiding nut is threaded with the outside thread of adjusting nut, the endoporus of guiding nut periphery and tapered sleeve is slidably matched, stop collar is fixed on back cylinder cover, the inner hole sleeve of stop collar is on guide rod, and by guide rod and back cylinder cover axial restraint, one end of stop collar has spacing flange, one end of guiding nut has inside spacing reducing, spacing flange can offset with spacing reducing, conical surface lining is fixedly set on back cylinder cover, the periphery of conical surface lining and the endoporus of tapered sleeve are slidably matched, and one end of conical surface lining has lining taper hole, the periphery of guiding nut has circular cone, circular cone can stretch in lining taper hole.
Described guiding nut has the bulb plunger that multiple radial direction extends, the endoporus wall of bulb plunger and tapered sleeve offsets.
Described back cylinder cover is fixed with fixed plate, fixed plate has guide rod anti-rotating hole, and the outer end of guide rod is hexagonal shape, the both sides, outer end of guide rod are stuck in guide rod anti-rotating hole.
Described adjusting axle outer end is also set with wear-resistant sleeve.
Described guide rod is equipped with key, and the keyway in the pilot hole of key and adjusting axle is slidably matched.
Described piston is offseted by thrust-bearing and bulb plunger, and thrust-bearing is needle roller thrust bearing.
Described elastic component is formed by stacking for several disc springs.
Described stop collar passes through lining encapsulation on guide rod.
Also have piston stopper, piston stopper is positioned at front end housing, and is sleeved on mounting flange.
After adopting said structure, by the rotation of screw thread different during different operating state, compensate the gap that when braking, brake lining or brake disc wear produce; In order to allow different screw pair rotate, have employed bulb plunger during design and rotating to ensure the annular of adjusting nut to regulate the conical surface can throw off tapered sleeve when being subject to certain force; Adopt on conical surface lining and arrange lining taper hole, the circular cone of lining taper hole and guiding nut end limits the displacement to the right of guiding nut; Adopt the spacing reducing of guiding nut and the spacing flange of stop collar, limit guiding nut to left dislocation.This invention compared with prior art, gap adjusting mechanism is placed on master cylinder inside, compact structure, saves installing space, adopt the features such as bulb plunger, the conical surface to ensure the rotation of different operating period different screw pair simultaneously, ensure the reliability of adjusting play.
Accompanying drawing explanation
Fig. 1 is structure sectional view figure of the present invention;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the sectional view that in Fig. 1, guiding nut coordinates with stop collar.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
See Fig. 1, 2, shown in 3, a kind of there is gap adjustment function park oil cylinder, comprise cylinder body 1, back cylinder cover 2, front end housing 3, piston 4-4 and mounting flange 6, back cylinder cover 2 is fixedly connected with the two ends of cylinder body 1 respectively with front end housing 3, mounting flange 6 is fixedly connected with front end housing 3, mounting flange 6 has piston hole 6-1, piston stopper 5 is positioned at front end housing 3 and is sleeved on mounting flange 6, piston 4-4 is through front end housing 3, and coordinate with the piston hole 6-1 slippage of mounting flange 6, front end housing 3 has oil inlet hole 3-1, also there is adjusting axle 4-5, tapered sleeve 7, adjusting nut 8, guiding nut 9, conical surface lining 10, guide rod 11, stop collar 12 and elastic component 13, elastic component 13 is sleeved on tapered sleeve 7, one end and the tapered sleeve 7 of elastic component 13 offset, the other end and back cylinder cover 2 are offseted or are offseted by pad 20 and back cylinder cover 2, adjusting nut 8 is positioned at tapered sleeve 7, and adjusting nut 8 periphery has annular adjustment conical surface 8-2, tapered sleeve 7 has the taper hole 7-1 regulating conical surface 8-2 to coordinate with annular, one end of guide rod 11 and back cylinder cover 2 axial restraint, adjusting axle 4-5 and piston 4-4 load, the inner of adjusting axle 4-5 has external thread section 4-1, and there is pilot hole 4-2, the other end of guide rod 11 to stretch in pilot hole 4-2 and with pilot hole 4-2 axial sliding fit, adjusting nut 8 is threaded with the external thread section 4-1 of adjusting axle 4-5, and one end of adjusting nut 8 has multiple bulb plunger 8-1, piston 4-4 and bulb plunger 8-1 offsets, the other end of adjusting nut 8 has outside thread 8-3, the internal thread of guiding nut 9 is threaded with the outside thread 8-3 of adjusting nut 8, the endoporus of guiding nut 9 periphery and tapered sleeve 7 is slidably matched, stop collar 12 is fixed on back cylinder cover 2, the inner hole sleeve of stop collar 12 is on guide rod 11, and by guide rod 11 and back cylinder cover 2 axial restraint, one end of stop collar 12 has spacing flange 12-1, one end of guiding nut 9 has inside spacing reducing 9-1, spacing flange 12-1 can offset with spacing reducing 9-1, conical surface lining 10 is fixedly set on back cylinder cover 2, the periphery of conical surface lining 10 and the endoporus of tapered sleeve 7 are slidably matched, and one end of conical surface lining 10 has lining taper hole 10-1, the periphery of guiding nut 9 has circular cone 9-3, circular cone 9-3 can stretch in lining taper hole 10-1.
Shown in Fig. 3,1, in order to produce suitable damping due to rotation and self-alignment, described guiding nut 9 has the bulb plunger 9-2 that multiple radial direction extends, the endoporus wall of bulb plunger 9-2 and tapered sleeve 7 offsets.
Shown in Figure 2, conveniently regulate guide rod 11, described back cylinder cover 2 is fixed with fixed plate 14, fixed plate 14 has guide rod anti-rotating hole 14-1, and the outer end of guide rod 11 is hexagonal shape, the both sides, outer end of guide rod 11 are stuck in guide rod anti-rotating hole 14-1.
Shown in Figure 1, in order to make adjusting axle 4-5 wear-resisting, described adjusting axle 4-5 outer end is also set with wear-resistant sleeve 15.
Shown in Figure 1, convenient in order to make adjusting axle 4-5 install and remove, described guide rod 11 is equipped with key 16, and key 16 is slidably matched with the keyway 4-2-1 in the pilot hole 4-2 of adjusting axle 4-5.
Shown in Figure 1, in order to better make adjusting nut 8 can throw off tapered sleeve 7, described piston 4-4 is offseted by thrust-bearing 4-3 and bulb plunger 8-1, and thrust-bearing 4-3 is needle roller thrust bearing.
Shown in Figure 1, in order to improve safety coefficient, also have piston stopper 5, piston stopper 5 plays double-piston effect with piston 4-4, and piston stopper 5 is positioned at front end housing 3, and is sleeved on mounting flange 6.
Shown in Figure 1, in order to reach reset effect, described elastic component 13 is formed by stacking for several disc springs, also has pad 20 between elastic component 13 and back cylinder cover 2.
Shown in Figure 1, in order to increase wear resistance, described stop collar 12 passes through lining 12-2 encapsulation on guide rod 11.
Shown in Fig. 1,2,3, the present invention is when brake lining no wearing and tearing, during normal use, when piston composition 4 loses oil pressure effect, oil pressure active force is less than elastic component 13, elastic component 13 promotes tapered sleeve 7 and slides left, and tapered sleeve 7 promotes piston composition 4 and adjusting nut 8 is moved to the left, and finally makes brake lining be attached on brake disc and realizes braking; Piston composition 4 is in oil pressure effect, and piston composition 4 promotes tapered sleeve 7 and adjusting nut 8 moves right, and elastic component 13 compresses, and adjusting nut 8 drives guiding nut 9 to be moved to the left, and realizes normal travelling state.
If brake lining weares and teares, the present invention needs the amount of compensate for wear, when piston composition 4 loses oil pressure effect, oil pressure active force is less than elastic component 13, and elastic component 13 promotes tapered sleeve 7 and slides left, tapered sleeve 7 promotes piston composition 4 and adjusting nut 8 is moved to the left, adjusting nut 8 drives guiding nut 9 to be moved to the left, and stop collar 12 stops guiding nut 9 to continue to be moved to the left, and now guiding nut 9 rotates, adjusting nut 8 relatively guiding nut 9 is moved to the left, and finally makes brake lining be attached on brake disc and realizes braking, piston composition 4 is in oil pressure effect, piston composition 4 promotes tapered sleeve 7 and adjusting nut 8 moves right, elastic component 13 compresses, adjusting nut 8 drives guiding nut 9 to move right, after in the lining taper hole 10-1 that the circular cone 9-3 of guiding nut 9 stretches into conical surface lining 10, guiding nut 9 stop motion, conical surface lining 10 stops guiding nut 9 to continue to move right, when piston composition 4 continues motion, guiding nut 9 can react on adjusting nut 8, adjusting nut 8 is made to be subject to resultant direction left, now due to the effect of the bulb plunger 8-1 on adjusting nut 8, bulb plunger 8-1 inner spring is compressed, the adjustment conical surface 8-2 of the adjusting nut 8 and taper hole 7-1 of tapered sleeve 7 throws off, adjusting nut 8 rotates, adjusting nut 8 relative adjustment axle 16 is moved right, realize backlash compensation effect, and original state is got back in final adjusting nut 8 and guiding nut 9 rotation.
Claims (9)
1. one kind there is gap adjustment function park oil cylinder, comprise cylinder body (1), back cylinder cover (2), front end housing (3), piston (4-4) and mounting flange (6), back cylinder cover (2) is fixedly connected with the two ends of cylinder body (1) respectively with front end housing (3), mounting flange (6) is fixedly connected with front end housing (3), mounting flange (6) has piston hole (6-1), piston (4-4) is through front end housing (3), and coordinate with piston hole (6-1) slippage of mounting flange (6), front end housing (3) has oil inlet hole (3-1), it is characterized in that: also there is adjusting axle (4-5), tapered sleeve (7), adjusting nut (8), guiding nut (9), conical surface lining (10), guide rod (11), stop collar (12) and elastic component (13), elastic component (13) is sleeved on tapered sleeve (7), one end and the tapered sleeve (7) of elastic component (13) offset, the other end and back cylinder cover (2) are offseted or are offseted by pad (20) and back cylinder cover (2), adjusting nut (8) is positioned at tapered sleeve (7), and the periphery of adjusting nut (8) has the annular adjustment conical surface (8-2), tapered sleeve (7) has the taper hole (7-1) regulating the conical surface (8-2) to coordinate with annular, one end of guide rod (11) and back cylinder cover (2) axial restraint, adjusting axle (4-5) and piston (4-4) load, the inner of adjusting axle (4-5) has external thread section (4-1), and there is pilot hole (4-2), the other end of guide rod (11) to stretch in pilot hole (4-2) and with pilot hole (4-2) axial sliding fit, adjusting nut (8) is threaded with the external thread section (4-1) of adjusting axle (4-5), and one end of adjusting nut (8) has multiple bulb plunger (8-1), piston (4-4) and bulb plunger (8-1) offset, the other end of adjusting nut (8) has outside thread (8-3), the internal thread of guiding nut (9) is threaded with the outside thread (8-3) of adjusting nut (8), the endoporus of guiding nut (9) periphery and tapered sleeve (7) is slidably matched, stop collar (12) is fixed on back cylinder cover (2), the inner hole sleeve of stop collar (12) is on guide rod (11), and by guide rod (11) and back cylinder cover (2) axial restraint, one end of stop collar (12) has spacing flange (12-1), one end of guiding nut (9) has inside spacing reducing (9-1), spacing flange (12-1) can offset with spacing reducing (9-1), conical surface lining (10) is fixedly set on back cylinder cover (2), the periphery of conical surface lining (10) and the endoporus of tapered sleeve (7) are slidably matched, and one end of conical surface lining (10) has lining taper hole (10-1), the periphery of guiding nut (9) has circular cone (9-3), circular cone (9-3) can stretch in lining taper hole (10-1).
2. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described guiding nut (9) has the bulb plunger (9-2) that multiple radial direction extends, bulb plunger (9-2) offsets with the endoporus wall of tapered sleeve (7).
3. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described back cylinder cover (2) is fixed with fixed plate (14), fixed plate (14) has guide rod anti-rotating hole (14-1), and the outer end of guide rod (11) is hexagonal shape, the both sides, outer end of guide rod (11) are stuck in guide rod anti-rotating hole (14-1).
4. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described adjusting axle (4-5) outer end is also set with wear-resistant sleeve (15).
5. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described guide rod (11) is equipped with key (16), key (16) is slidably matched with the keyway (4-2-1) in the pilot hole (4-2) of adjusting axle (4-5).
6. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described piston (4-4) is offseted by thrust-bearing (4-3) and bulb plunger (8-1), and thrust-bearing (4-3) is needle roller thrust bearing.
7. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described elastic component (13) is formed by stacking for several disc springs.
8. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: also have piston stopper (5), piston stopper (5) is positioned at front end housing (3), and is sleeved on mounting flange (6).
9. according to claim 1 there is gap adjustment function park oil cylinder, it is characterized in that: described stop collar (12) by lining (12-2) encapsulation on guide rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354897.9A CN103671652B (en) | 2012-09-24 | 2012-09-24 | What have gap adjustment function parks oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354897.9A CN103671652B (en) | 2012-09-24 | 2012-09-24 | What have gap adjustment function parks oil cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671652A CN103671652A (en) | 2014-03-26 |
| CN103671652B true CN103671652B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210354897.9A Active CN103671652B (en) | 2012-09-24 | 2012-09-24 | What have gap adjustment function parks oil cylinder |
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| CN (1) | CN103671652B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340277A (en) * | 2018-09-07 | 2019-02-15 | 南京中车浦镇海泰制动设备有限公司 | Hydraulic braking clamp |
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|---|---|---|---|---|
| CN105276039B (en) * | 2015-11-05 | 2017-08-18 | 常州中车铁马科技实业有限公司 | Rail vehicle braking clamp |
| CN105276038B (en) * | 2015-11-05 | 2017-12-12 | 常州中车铁马科技实业有限公司 | The oil cylinder of rail vehicle braking clamp |
| CN105276037B (en) * | 2015-11-05 | 2017-08-11 | 常州中车铁马科技实业有限公司 | Hydraulic braking clamp for track traffic |
| CN105351405B (en) * | 2015-11-20 | 2017-09-22 | 常州中车铁马科技实业有限公司 | Brake clamp oil cylinder |
| CN109073001B (en) * | 2015-11-30 | 2020-04-24 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake caliper device and vehicle using same |
| CN105370773B (en) * | 2015-11-30 | 2018-12-25 | 常州中车铁马科技实业有限公司 | Rail vehicle braking clamp oil cylinder |
| CN106195075A (en) * | 2016-08-29 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of checking cylinder clearance adjustment mechanism |
| CN109083952B (en) * | 2018-09-07 | 2020-10-02 | 南京中车浦镇海泰制动设备有限公司 | Hydraulic brake cylinder |
| CN109163038A (en) * | 2018-09-07 | 2019-01-08 | 南京中车浦镇海泰制动设备有限公司 | Slack adjuster |
| CN110203243B (en) * | 2019-06-10 | 2020-09-04 | 中车青岛四方车辆研究所有限公司 | Elastic power device, braking system and train |
| CN112721991B (en) * | 2020-12-29 | 2022-05-17 | 中车制动系统有限公司 | Parking brake cylinder and brake caliper unit |
| CN113294462B (en) * | 2021-04-29 | 2023-07-28 | 中车青岛四方车辆研究所有限公司 | Spring power unit |
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- 2012-09-24 CN CN201210354897.9A patent/CN103671652B/en active Active
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| CN109340277B (en) * | 2018-09-07 | 2021-03-19 | 南京中车浦镇海泰制动设备有限公司 | Hydraulic brake clamp |
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|---|---|
| CN103671652A (en) | 2014-03-26 |
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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. |