CN103241263B - Active release device - Google Patents
Active release device Download PDFInfo
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- CN103241263B CN103241263B CN201310136052.7A CN201310136052A CN103241263B CN 103241263 B CN103241263 B CN 103241263B CN 201310136052 A CN201310136052 A CN 201310136052A CN 103241263 B CN103241263 B CN 103241263B
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- China
- Prior art keywords
- spring
- braking
- mounting seat
- release device
- coil spring
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Abstract
The invention relates to an accessory of a railway vehicle, in particular to a release device of a braking system of a bogie of a railway truck. The braking system is provided with a basic braking device with slide grooves, sliders and bow braking beams. The release device comprises a spring mounting seat and an extension spring assembly, and is technically characterized in that one end of the spring mounting seat is a mounting end, and the other end of the spring mounting seat is a connecting end; and two connecting plates are respectively arranged at two ends of the extension spring assembly, one end of each connecting plate is connected with the spring mounting seat, a spring is mounted at the other end of each connecting plate, and the springs include an outer helical extension spring and an inner helical extension spring which are connected with each other in parallel to form the spring assembly. The release device has the advantages that the release device is simple and reliable in structure and convenient to install; the extension springs are stretched under the action of tension when the truck is braked; when the truck is released, the braking beams not only release braking due to the action of the gravity of the braking beams, but also are driven to move in pre-braking modes under rebounding actions of the extension springs, so that a brake shoe of the truck is separated from a wheel, and the braking beams can actively release braking.
Description
Technical field:
The present invention relates to a kind of railway vehicle accessory, especially the relieving apparatus of the railway goods train bogie brake system of the arc brake beam foundation brake rigging of dress chute slide block type.
Background technology:
Railway wagon brake improper release and " band-type brake " fault are the inertial mass problems that long-standing problem railway truck uses.Railway goods train bogie, especially the railway goods train bogie of the arc brake beam foundation brake rigging of dress chute slide block type, due to the restriction of its foundation brake rigging self structure, alleviate and advocate to rely on the component of brake equipment self gravitation in chute direction to realize, often be subject to the impact of various error and friction face state, alleviation power is not enough to overcome resistance, cause brake shoe and wheel can not depart from or depart from not exclusively, cause " band-type brake " and release of brake bad error, larger infringement is caused to railway operation safety, and become a risk source of railway truck potential safety hazard.Therefore, rolling stock department wishes to adopt a kind of simple and reliable mechanism, solves railway wagon brake improper release and " band-type brake " problem.
Summary of the invention:
The problem to be solved in the present invention is exactly provide a kind of structure simple, reliable for the problems referred to above, and the easy for installation brake beam that can make initiatively implements a kind of device alleviated.Its technical scheme is as follows:
It comprises spring mounting seat and extension spring group, its gordian technique is spring mounting seat one end is installation end, the other end is coupling end, installation end and coupling end are trench structure, the trench structure above and below of installation end has corresponding mounting hole, and the trench structure above and below of coupling end has corresponding connecting bore; Respectively there is a connecting panel at extension spring group two ends, connecting panel one end is connected with spring mounting seat, other end mounting spring, spring composes in parallel spring assembly by coil spring in stretch outer coil spring and stretching, have hole and groove at the connecting panel other end, stretching cylindrical both ends of the spring has 2 ~ 3 length of enclosing respectively, stretching inner circle both ends of the spring has 4 ~ 5 length of enclosing respectively through the hole that connecting panel is offered and groove.
Compared with prior art the present invention has following beneficial effect:
1, extension spring group has certain rigidity, when car brakeing, both sides brake beam moves towards the wheel direction of each My World, brake shoe and flanging, spring assembly under tension effect and stretching, the installation site (initial length) of adjustment spring, the minimum stretch power that setting spring is subject to, ensures vehicle at new wheel to being subject to certain pulling force and certain stroke that stretches when extension spring group is in car brakeing during, new brake shoe.When vehicle is alleviated, the recuperability of release spring group, just for brake beam provides one towards an active force of bogie truck longitudinal center motion, works with the component one of brake beam gravity in side frame chute direction, impels brake beam to alleviate.
2, when new wheel, new brake shoe, the recuperability of spring assembly is minimum, and along with wheel wear and brake shoe abrasion, spring assembly recuperability can progressively increase, and recuperability is more beneficial to more greatly brake beam and alleviates.But the spring assembly pulling force upper limit does not affect bogie truck normal brake application.
The spring mounting seat of 3, riveting with brake beam is vertically arranged with the connecting bore of diverse location along extension spring, along with the installation site of the abrasion adjustment spring of wheel, can ensure that vehicle has the spring elongation power of formed objects (scope) under different wheel abrasion state.
4, extension spring group adopts the spring of inside and outside different rotation direction, enhance the reliability of spring, even if another root spring can also work on when certain root spring failure, fault spring can be supported and do not cause fault spring come off and cause vehicle driving safety failure simultaneously.
5, stretching cylindrical both ends of the spring 2 ~ 3 encloses, inner circle both ends of the spring 4 ~ 5 circle is hung in hole that connecting panel is processed, reduces use and the mount stress at traditional extension spring shackle place, has adapted to the operation environment of railway truck, improve the serviceability of spring.
Accompanying drawing illustrates:
Fig. 1 is spring mounting seat structural representation of the present invention;
Fig. 2 is extension spring group structural representation of the present invention;
Fig. 3 is the scheme of installation of the present invention on roller bearing adapter stabilizer bar.
Detailed description of the invention:
See Fig. 1 ~ Fig. 3, the present invention includes spring mounting seat 1 and extension spring group, its gordian technique is spring mounting seat 1 one end is installation end 8, the other end is coupling end 7, installation end 8 and coupling end 7 are trench structure, the trench structure above and below of installation end 8 has corresponding mounting hole 5, and the trench structure above and below of coupling end 7 has corresponding, that multipair position is different connecting bore 6, can select suitable connecting bore according to the different conditions of vehicle.When different conditions mainly refers to that vehicle is newly made, section is repaiied with different phases such as repair in shop, bogie car wheel diameter varies in size.According to the abrasion situation of wheel, select the mounting hole of diverse location, general new wheel adopts away from bogie pivot center side opening, and the abrasion situation along with wheel progressively adopts near bogie pivot center side opening.Respectively there is a connecting panel 2 at extension spring group two ends, connecting panel 2 one end is connected by connecting bore 6 with spring mounting seat 1, other end mounting spring, spring composes in parallel spring assembly by coil spring 4 in stretch outer coil spring 3 and stretching, have hole and groove at connecting panel 2 other end, outer coil spring 3 two ends that stretch have coil spring 4 two ends in 2 ~ 3 length of enclosing, stretching to have 4 ~ 5 length of enclosing respectively through the hole that connecting panel 2 is offered and groove respectively.Can ensure that spring assembly and connecting panel 2 are connected firmly like this, reduce the stress level of point of connection simultaneously, improve the reliability of spring assembly.In stretching, coil spring 4 is seated in outer coil spring 3 inside that stretches; the outer coil spring 3 that stretches is contrary with the rotation direction of the interior coil spring 4 that stretches; certain tensile force, restoring force can either be born like this, play a protective role each other simultaneously, improve the safety in utilization of this device.
Spring mounting seat 1 one end adopts railway pultrusion rivet 11, light round pin 12 is riveted on the T word beam outer wing of brake beam 10, extension spring group is arranged between two arc brake beams of railway goods train bogie 9, makes extension spring under tension effect and stretching when car brakeing.And when vehicle is alleviated, brake beam is except implementing due to self gravitation effect to alleviate, extension spring reactivation now, also drives brake beam towards the state motion implemented before braking, impels vehicle brake shoe and wheel to depart from, and realizes alleviating.
Claims (2)
1. an Active release device, comprise spring mounting seat (1) and extension spring group, it is characterized in that spring mounting seat (1) one end is installation end (8), the other end is coupling end (7), installation end (8) and coupling end (7) are trench structure, the trench structure above and below of installation end (8) has corresponding mounting hole (5), and the trench structure above and below of coupling end (7) has corresponding connecting bore (6); Respectively there is a connecting panel (2) at extension spring group two ends, connecting panel (2) one end is connected with spring mounting seat (1), other end mounting spring, spring composes in parallel spring assembly by coil spring (4) in stretch outer coil spring (3) and stretching, have hole and groove at connecting panel (2) other end, outer coil spring (3) two ends that stretch have coil spring (4) two ends in 2 ~ 3 length of enclosing, stretching to have 4 ~ 5 length of enclosing respectively through the hole that connecting panel (2) is offered and groove respectively.
2. Active release device according to claim 1, it is inner that the interior coil spring (4) that it is characterized in that stretching is seated in the outer coil spring (3) that stretches, and the rotation direction of stretches outer coil spring (3) and the interior coil spring (4) of stretching is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136052.7A CN103241263B (en) | 2013-04-18 | 2013-04-18 | Active release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136052.7A CN103241263B (en) | 2013-04-18 | 2013-04-18 | Active release device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103241263A CN103241263A (en) | 2013-08-14 |
| CN103241263B true CN103241263B (en) | 2015-06-10 |
Family
ID=48921217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310136052.7A Active CN103241263B (en) | 2013-04-18 | 2013-04-18 | Active release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103241263B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241263B (en) * | 2013-04-18 | 2015-06-10 | 南车眉山车辆有限公司 | Active release device |
| CN103465931B (en) * | 2013-09-11 | 2016-06-22 | 南车二七车辆有限公司 | A kind of Initiative reset device for railway goods train bogie |
| CN104455135A (en) * | 2014-12-09 | 2015-03-25 | 常州特斯克车镜有限公司 | Spiral spring |
| CN112065911B (en) * | 2020-09-02 | 2021-11-16 | 衡阳镭目科技有限责任公司 | Vibration buffering and limiting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191215276A (en) * | 1912-07-01 | 1913-03-20 | Llewellyn Wynn Williams | Improvements in and relating to Brake Release Springs for Railway Carriages and Waggons. |
| GB1139848A (en) * | 1966-09-13 | 1969-01-15 | Westinghouse Air Brake Co | Fluid pressure operated brake apparatus for railway car trucks |
| US4108284A (en) * | 1975-06-09 | 1978-08-22 | Girling Limited | Railway brake assemblies including knock-back compensating means |
| CN87203839U (en) * | 1987-03-18 | 1988-01-27 | 张源深 | Automatic brake device for mine cars |
| CN1030891A (en) * | 1987-07-24 | 1989-02-08 | 美国标准公司 | The truss-like of brake assembly braking crossbeam on the railway vehicle truck |
| CN103241263A (en) * | 2013-04-18 | 2013-08-14 | 南车眉山车辆有限公司 | Active release device |
-
2013
- 2013-04-18 CN CN201310136052.7A patent/CN103241263B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191215276A (en) * | 1912-07-01 | 1913-03-20 | Llewellyn Wynn Williams | Improvements in and relating to Brake Release Springs for Railway Carriages and Waggons. |
| GB1139848A (en) * | 1966-09-13 | 1969-01-15 | Westinghouse Air Brake Co | Fluid pressure operated brake apparatus for railway car trucks |
| US4108284A (en) * | 1975-06-09 | 1978-08-22 | Girling Limited | Railway brake assemblies including knock-back compensating means |
| CN87203839U (en) * | 1987-03-18 | 1988-01-27 | 张源深 | Automatic brake device for mine cars |
| CN1030891A (en) * | 1987-07-24 | 1989-02-08 | 美国标准公司 | The truss-like of brake assembly braking crossbeam on the railway vehicle truck |
| CN103241263A (en) * | 2013-04-18 | 2013-08-14 | 南车眉山车辆有限公司 | Active release device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103241263A (en) | 2013-08-14 |
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