CN202901127U - Placing oil cylinder having gap regulating function - Google Patents
Placing oil cylinder having gap regulating function Download PDFInfo
- Publication number
- CN202901127U CN202901127U CN 201220486046 CN201220486046U CN202901127U CN 202901127 U CN202901127 U CN 202901127U CN 201220486046 CN201220486046 CN 201220486046 CN 201220486046 U CN201220486046 U CN 201220486046U CN 202901127 U CN202901127 U CN 202901127U
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- guide rod
- nut
- piston
- hole
- sleeve
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Abstract
The utility model discloses a placing oil cylinder having a gap regulating function. A piston abuts against a ball plunger through a thrust bearing, the other end of a regulating nut is provided with external threads, internal threads of a guide nut are in thread connection with the external threads of the regulating nut, and the periphery of the guide nut is in sliding match with an inner hole of a cone sleeve. A limiting sleeve is fixed on a rear cylinder cover, an inner hole of the limiting sleeve is sleeved on a guide rod, the guide rod and the rear cylinder cover are fixed in the axial direction, one end of the limiting sleeve is provided with a limiting flange, one end of the guide nut is provided with an inward limiting necking, and the limiting flange can abut against the limiting necking. A cone lining sleeve is fixedly sleeved on the rear cylinder cover, the periphery of the cone lining sleeve is in sliding match with the inner hole of the cone sleeve, one end of the cone lining sleeve is provided with a lining sleeve cone hole, and the periphery of the guide nut is provided with an annular cone surface which can be stretched into the lining sleeve cone hole. According to the placing oil cylinder, a gap regulating structure is arranged inside a brake cylinder, installation space is saved, and the structure is compact.
Description
Technical field
The utility model relates to the parts that a kind of rail traffic vehicles is used brake clamp, especially a kind of oil cylinder of parking that can make the gap adjustment of brake clamp brake lining.
Background technique
The foundation brake system is as the important component part of rail traffic vehicles, and in order to brake more rapidly, general gapped regulating device in its braking system is used for the wearing and tearing of compensation braking brake lining and brake disc, prevents brake lining and brake disc excesssive gap.At present the clamp lash adjusting device generally is independent of master cylinder or exists at an end of master cylinder, its adjustment mode adopts mechanical whorl structure or frictional damping structure to realize usually, but the increase along with axletree weight, to proposition Secretaries such as installation dimensions, need compact, the powerful brake lining clearance adjustment mechanism of development structure.
Summary of the invention
The oil cylinder of parking with gap adjustment function that the purpose of this utility model is to provide a kind of compact structure, saves installing space.
In order to achieve the above object, the technical solution of the utility model is: a kind of oil cylinder of parking with gap adjustment function, comprise cylinder body, back cylinder cover, front end housing, piston and mounting flange, back cylinder cover is fixedly connected with the two ends of cylinder body respectively with front end housing, mounting flange is fixedly connected with front end housing, has piston hole on the mounting flange, piston passes front end housing, and cooperate with the piston hole slippage of mounting flange, has oil inlet hole on the front end housing, also has adjusting axle, tapered sleeve, adjusting nut, guiding nut, conical surface lining, guide rod, stop collar and elastic component, elastic component is sleeved on the tapered sleeve, one end and the tapered sleeve of elastic component offset, the other end and back cylinder cover offset or offset by pad and back cylinder cover, adjusting nut is positioned at tapered sleeve, and have annular on the adjusting nut periphery and regulate the conical surface, has the taper hole of regulating cone match with annular on the tapered sleeve, 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 has pilot hole, the other end of guide rod stretch in the pilot hole and with the pilot hole axial sliding fit, adjusting nut is threaded with the external thread section of adjusting axle, and an end of adjusting nut has a plurality of bulb plungers, 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 slidingly matched, stop collar is fixed on the back cylinder cover, the inner hole sleeve of stop collar is on guide rod, and with 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 the back cylinder cover, the periphery of conical surface lining and the endoporus of tapered sleeve are slidingly matched, and an end of conical surface lining has the lining taper hole, the periphery of guiding nut has circular cone, and circular cone can stretch in the lining taper hole.
Have a plurality of bulb plungers that radially extend on the described guiding nut, the endoporus wall of bulb plunger and tapered sleeve offsets.
Is fixed with fixed plate on the described back cylinder cover, has the guide rod anti-rotating hole on the fixed plate, and the outer end of guide rod is the hexagonal shape that the both sides, outer end of guide rod are stuck in the guide rod anti-rotating hole.
Described adjusting axle outer end also is set with wear-resistant sleeve.
On the described guide rod key is housed, the keyway in the pilot hole of key and adjusting axle is slidingly matched.
Described piston offsets by thrust-bearing and bulb plunger, and thrust-bearing is needle roller thrust bearing.
Described elastic component is formed by stacking for several dish springs.
Described stop collar passes through the lining encapsulation on guide rod.
Also have piston stopper, piston stopper is positioned at front end housing, and is sleeved on the mounting flange.
After adopting said structure, the rotation of different screw threads during by the different operating state, the gap that brake lining or brake disc wear produce during the compensation braking; In order to allow the rotation of different screw pairs, adopted the bulb plunger to guarantee that the annular of adjusting nut regulates the conical surface and can throw off tapered sleeve and rotate when being subject to certain force during design; Adopt on the conical surface lining lining taper hole is set, 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 model utility compared with prior art, gap adjusting mechanism is placed on master cylinder inside, and compact structure has been saved installing space, adopt simultaneously the features such as bulb plunger, the conical surface to guarantee the rotation of different screw pairs of different operating period, guarantee the reliability of adjusting play.
Description of drawings
Fig. 1 is structure sectional view figure of the present utility model;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the sectional view that guiding nut cooperates with stop collar among Fig. 1.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
Referring to Fig. 1,2, shown in 3, a kind of oil cylinder of parking with gap adjustment function, 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, has piston hole 6-1 on the mounting flange 6, piston stopper 5 is positioned at front end housing 3 and is sleeved on the mounting flange 6, piston 4-4 passes front end housing 3, and cooperate with the piston hole 6-1 slippage of mounting flange 6, has oil inlet hole 3-1 on the front end housing 3, also has 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 the tapered sleeve 7, one end and the tapered sleeve 7 of elastic component 13 offset, the other end and back cylinder cover 2 offset or offset by pad 20 and back cylinder cover 2, adjusting nut 8 is positioned at tapered sleeve 7, and have annular on adjusting nut 8 peripheries and regulate conical surface 8-2, have on the tapered sleeve 7 with annular and regulate the taper hole 7-1 that conical surface 8-2 cooperates, one end of guide rod 11 and back cylinder cover 2 axial restraints, adjusting axle 4-5 and piston 4-4 load, the inner of adjusting axle 4-5 has external thread section 4-1, and has pilot hole 4-2, the other end of guide rod 11 stretch in the 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 an end of adjusting nut 8 has a plurality of 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 peripheries and tapered sleeve 7 is slidingly matched, stop collar 12 is fixed on the back cylinder cover 2, the inner hole sleeve of stop collar 12 is on guide rod 11, and with guide rod 11 and back cylinder cover 2 axial restraints, 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 the back cylinder cover 2, the endoporus of the periphery of conical surface lining 10 and tapered sleeve 7 is slidingly matched, and an end of conical surface lining 10 has lining taper hole 10-1, the periphery of guiding nut 9 has circular cone 9-3, and circular cone 9-3 can stretch in the lining taper hole 10-1.
Shown in Fig. 3,1, in order to produce suitable damping due to rotation and self-alignment, have a plurality of bulb plunger 9-2 that radially extend on the described guiding nut 9, the endoporus wall of bulb plunger 9-2 and tapered sleeve 7 offsets.
Referring to shown in Figure 2, for the convenient guide rod 11 of regulating, be fixed with fixed plate 14 on the described back cylinder cover 2, have guide rod anti-rotating hole 14-1 on the fixed plate 14, and the outer end of guide rod 11 is the hexagonal shape, the both sides, outer end of guide rod 11 are stuck in the guide rod anti-rotating hole 14-1.
Referring to shown in Figure 1, in order to make adjusting axle 4-5 wear-resisting, described adjusting axle 4-5 outer end also is set with wear-resistant sleeve 15.
Referring to shown in Figure 1, in order to make adjusting axle 4-5 mounting or dismounting convenient, on the described guide rod 11 key 16 is housed, the keyway 4-2-1 among the pilot hole 4-2 of key 16 and adjusting axle 4-5 is slidingly matched.
Referring to shown in Figure 1, can throw off tapered sleeve 7 in order better to make adjusting nut 8, described piston 4-4 offsets by thrust-bearing 4-3 and bulb plunger 8-1, and thrust-bearing 4-3 is needle roller thrust bearing.
Referring to shown in Figure 1, in order to improve safety coefficient, also have piston stopper 5, piston stopper 5 plays the double-piston effect with piston 4-4, and piston stopper 5 is positioned at front end housing 3, and is sleeved on the mounting flange 6.
Referring to shown in Figure 1, in order to reach reset effect, described elastic component 13 is formed by stacking for several dish springs, also has pad 20 between elastic component 13 and the back cylinder cover 2.
Referring to 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 utility model does not wear and tear when brake lining, during normal the use, when forming 4, piston loses the oil pressure effect, the oil pressure active force is less than elastic component 13, elastic component 13 promotes tapered sleeve 7 and slides left, and tapered sleeve 7 pushing pistons composition 4 and adjusting nut 8 are moved to the left, and brake lining is attached to realizes braking on the brake disc; Piston forms 4 in the oil pressure effect, and piston forms 4 promotion tapered sleeves 7 and adjusting nut 8 moves right, elastic component 13 compressions, and adjusting nut 8 drives guiding nuts 9 and is moved to the left, and realizes normal travelling state.
If brake lining wearing and tearing, the utility model needs the amount of compensate for wear, lose the oil pressure effect when piston forms 4, the oil pressure active force is less than elastic component 13, and elastic component 13 promotes tapered sleeve 7 and slides left, tapered sleeve 7 pushing pistons composition 4 and adjusting nut 8 are moved to the left, adjusting nut 8 drives guiding nut 9 and is moved to the left, and stop collar 12 stops guiding nut 9 to continue to be moved to the left, guiding nut 9 rotations this moment, adjusting nut 8 relative guiding nuts 9 are moved to the left, and brake lining is attached to realizes braking on the brake disc; Piston forms 4 in the oil pressure effect, piston forms 4 promotion tapered sleeves 7 and adjusting nut 8 moves right, elastic component 13 compressions, adjusting nut 8 drives guiding nut 9 and moves right, after the circular cone 9-3 of guiding nut 9 stretches in the lining taper hole 10-1 of conical surface lining 10, guiding nut 9 stop motions, conical surface lining 10 stops guiding nut 9 to continue to move right, when piston forms 4 continuation motion, guiding nut 9 can react on adjusting nut 8, make adjusting nut 8 be subject to resultant direction left, this moment is because the effect of the bulb plunger 8-1 on the adjusting nut 8, make the compression of bulb plunger 8-1 inner spring, the adjusting conical surface 8-2 of adjusting nut 8 and the taper hole 7-1 of tapered sleeve 7 throw off, and adjusting nut 8 rotations move right adjusting nut 8 relative adjustment axles 16, realize the backlash compensation effect, and original state is got back in final adjusting nut 8 and guiding nut 9 rotations.
Claims (9)
1. oil cylinder of parking with gap adjustment function, 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), has piston hole (6-1) on the mounting flange (6), piston (4-4) passes front end housing (3), and cooperate with piston hole (6-1) slippage of mounting flange (6), has oil inlet hole (3-1) on the front end housing (3), it is characterized in that: also have 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 the tapered sleeve (7), one end of elastic component (13) and tapered sleeve (7) offset, the other end and back cylinder cover (2) offset or offset by pad (20) and back cylinder cover (2), adjusting nut (8) is positioned at tapered sleeve (7), and have annular on the periphery of adjusting nut (8) and regulate the conical surface (8-2), have on the tapered sleeve (7) with annular and regulate the taper hole (7-1) that the conical surface (8-2) cooperates, 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 has pilot hole (4-2), the other end of guide rod (11) stretch in the 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 an end of adjusting nut (8) has a plurality of bulb plungers (8-1), piston (4-4) offsets with bulb plunger (8-1), 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 slidingly matched, stop collar (12) is fixed on the back cylinder cover (2), the inner hole sleeve of stop collar (12) is on guide rod (11), and with 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 the back cylinder cover (2), the endoporus of the periphery of conical surface lining (10) and tapered sleeve (7) is slidingly matched, and an end of conical surface lining (10) has lining taper hole (10-1), the periphery of guiding nut (9) has circular cone (9-3), and circular cone (9-3) can stretch in the lining taper hole (10-1).
2. the oil cylinder of parking with gap adjustment function according to claim 1 is characterized in that: have a plurality of bulb plungers (9-2) that radially extend on the described guiding nut (9), bulb plunger (9-2) offsets with the endoporus wall of tapered sleeve (7).
3. the oil cylinder of parking with gap adjustment function according to claim 1, it is characterized in that: be fixed with fixed plate (14) on the described back cylinder cover (2), has guide rod anti-rotating hole (14-1) on the fixed plate (14), and the outer end of guide rod (11) is the hexagonal shape, and the both sides, outer end of guide rod (11) are stuck in the guide rod anti-rotating hole (14-1).
4. the oil cylinder of parking with gap adjustment function according to claim 1, it is characterized in that: described adjusting axle (4-5) outer end also is set with wear-resistant sleeve (15).
5. the oil cylinder of parking with gap adjustment function according to claim 1 is characterized in that: key (16) is housed on the described guide rod (11), and the keyway (4-2-1) in the pilot hole (4-2) of key (16) and adjusting axle (4-5) is slidingly matched.
6. the oil cylinder of parking with gap adjustment function according to claim 1 is characterized in that: described piston (4-4) offsets by thrust-bearing (4-3) and bulb plunger (8-1), and thrust-bearing (4-3) is needle roller thrust bearing.
7. the oil cylinder of parking with gap adjustment function according to claim 1, it is characterized in that: described elastic component (13) is formed by stacking for several dish springs.
8. the oil cylinder of parking with gap adjustment function according to claim 1, it is characterized in that: also have piston stopper (5), piston stopper (5) is positioned at front end housing (3), and is sleeved on the mounting flange (6).
9. the oil cylinder of parking with gap adjustment function according to claim 1 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 |
|---|---|---|---|
| CN 201220486046 CN202901127U (en) | 2012-09-24 | 2012-09-24 | Placing oil cylinder having gap regulating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486046 CN202901127U (en) | 2012-09-24 | 2012-09-24 | Placing oil cylinder having gap regulating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901127U true CN202901127U (en) | 2013-04-24 |
Family
ID=48121800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220486046 Expired - Lifetime CN202901127U (en) | 2012-09-24 | 2012-09-24 | Placing oil cylinder having gap regulating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901127U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671652A (en) * | 2012-09-24 | 2014-03-26 | 常州南车铁马科技实业有限公司 | Parking oil cylinder with gap adjustment function |
| WO2015010155A1 (en) * | 2013-07-23 | 2015-01-29 | Custom Fluidpower Pty Ltd | Self-adjusting calliper |
| CN105370774A (en) * | 2015-11-30 | 2016-03-02 | 常州南车铁马科技实业有限公司 | Braking clamp for rail vehicle |
| CN107131173A (en) * | 2017-06-12 | 2017-09-05 | 中车青岛四方车辆研究所有限公司 | Pneumatic brake cylinder |
| CN108026994A (en) * | 2015-09-25 | 2018-05-11 | Ｋｙｂ株式会社 | Brake apparatus |
| CN111322327A (en) * | 2020-03-05 | 2020-06-23 | 中车齐齐哈尔车辆有限公司 | Integrated brake cylinder and railway wagon |
-
2012
- 2012-09-24 CN CN 201220486046 patent/CN202901127U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671652A (en) * | 2012-09-24 | 2014-03-26 | 常州南车铁马科技实业有限公司 | Parking oil cylinder with gap adjustment function |
| CN103671652B (en) * | 2012-09-24 | 2015-12-23 | 常州南车铁马科技实业有限公司 | What have gap adjustment function parks oil cylinder |
| WO2015010155A1 (en) * | 2013-07-23 | 2015-01-29 | Custom Fluidpower Pty Ltd | Self-adjusting calliper |
| AU2014295804B2 (en) * | 2013-07-23 | 2017-01-05 | Custom Fluidpower Pty Ltd | Self-adjusting calliper |
| CN108026994A (en) * | 2015-09-25 | 2018-05-11 | Ｋｙｂ株式会社 | Brake apparatus |
| CN108026994B (en) * | 2015-09-25 | 2020-07-14 | Ｋｙｂ株式会社 | Brake device |
| CN105370774A (en) * | 2015-11-30 | 2016-03-02 | 常州南车铁马科技实业有限公司 | Braking clamp for rail vehicle |
| CN107131173A (en) * | 2017-06-12 | 2017-09-05 | 中车青岛四方车辆研究所有限公司 | Pneumatic brake cylinder |
| CN107131173B (en) * | 2017-06-12 | 2018-04-13 | 中车青岛四方车辆研究所有限公司 | Pneumatic brake cylinder |
| CN111322327A (en) * | 2020-03-05 | 2020-06-23 | 中车齐齐哈尔车辆有限公司 | Integrated brake cylinder and railway wagon |
| CN111322327B (en) * | 2020-03-05 | 2021-02-05 | 中车齐齐哈尔车辆有限公司 | Integrated brake cylinder and railway wagon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |