CN204099478U - High and cold rail motor set pneumatic spring - Google Patents
High and cold rail motor set pneumatic spring Download PDFInfo
- Publication number
- CN204099478U CN204099478U CN201420499038.3U CN201420499038U CN204099478U CN 204099478 U CN204099478 U CN 204099478U CN 201420499038 U CN201420499038 U CN 201420499038U CN 204099478 U CN204099478 U CN 204099478U
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- China
- Prior art keywords
- lower seat
- mouth
- rim
- rubber spring
- capsule
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Abstract
High and cold rail motor set pneumatic spring, comprise capsule, upper cover, clasp, lower seat and auxiliary rubber spring, described clasp is arranged on the lower surface of upper cover, and the inside circumference of described clasp is provided with bayonet socket, and the upper rim of the mouth of described capsule is flush-mounted in the bayonet socket of clasp.The lower rim of the mouth of described capsule is flush-mounted in the circumference outer end of lower seat, and described auxiliary rubber spring is arranged on the downside of lower seat.Cover on described and be provided with suction port, on described capsule, the upper surface in rim of the mouth is provided with sealed muscle, and described sealed muscle is the protruding structure of ring.Fitting surface between lower rim of the mouth and lower seat to be angle of inclination the be inclined-plane of 50-80 °.The utility model makes pneumatic spring have excellent air-tightness at low ambient temperatures by the reliable sealing means in the upper and lower rim of the mouth of air bag, can meet when train runs under normal temperature environment condition vertical, transverse direction and air-tightness, especially there is excellent low temperature airtightness energy, can meet and not leak under the environmental conditions of-40 DEG C.
Description
Technical field
The utility model belongs to shock-absorption device field, is specifically related to railway train air spring for automobile, particularly relates to a kind of pneumatic spring be applied on the cold-resistant motor train unit train of high speed.
Background technique
Pneumatic spring a kind ofly in the rubber pneumatic bag of flexibility, is filled with pressurized air, utilizes the compressibility of air, realize the nonmetal spring of elastic reaction.Air spring rubber air chamber itself and connection part must have good normal temperature and low temperature airtightness energy, and existing pneumatic spring uses in cold area exists certain defect.This is because, pneumatic spring is in the winter time under low temperature, rubber elasticity reduces, and along with long-time utilization, rubber produces compression set, easily there is air leakage at the position that is sealed and matched of air bag and miscellaneous part, the vibration characteristics of train and travelling comfort can not be guaranteed, affect train time serious and normally run.
Model utility content
For the problem existing for existing pneumatic spring, the utility model provides a kind of pneumatic spring be applied on the cold-resistant motor train unit train of high speed.Described pneumatic spring has novel sealing structure, is applicable to low temperature environment.
The technical solution of the utility model is: high and cold rail motor set pneumatic spring, comprise capsule, upper cover, clasp, lower seat and auxiliary rubber spring, described clasp is arranged on the lower surface of upper cover, and the inside circumference of described clasp is provided with bayonet socket, and the upper rim of the mouth of described capsule is flush-mounted in the bayonet socket of clasp.The lower rim of the mouth of described capsule is flush-mounted in the circumference outer end of lower seat, and described auxiliary rubber spring is arranged on the downside of lower seat.Cover on described and be provided with suction port, on described capsule, the upper surface in rim of the mouth is provided with sealed muscle, and described sealed muscle is the protruding structure of ring.The quantity of described sealed muscle is 2-4 circle, and described seal ring is of a size of 1.5-3 mm.Upper cover, air bag and clasp three are fastened by bolts mode and connect as one, and by arranging groove on air bag vulcanization die, on air bag, upper surface sulfuration in rim of the mouth forms low temperature seal muscle.By arranging sealed muscle in the upper-end surface in upper rim of the mouth, the low temperature seal performance of pneumatic spring obviously can be improved.Fitting surface between lower rim of the mouth and lower seat to be angle of inclination the be inclined-plane of 50-80 °, and be designed with suitable magnitude of interference between the two, pneumatic spring air pressure inside is larger, and under capsule, rim of the mouth coordinates tightr with lower seat, thus realizes selfsealings between the two.
Wherein, described auxiliary rubber spring comprises conical rubber spring and laminated rubber spring, and described conical rubber spring is inverted hollow cone mesa-shaped, and described laminated rubber spring is cirque body shape; The inner side of described conical rubber spring is provided with mandrel, and is fixedly linked by mandrel and lower seat, and the outside of described conical rubber spring is provided with overcoat; The upside of described laminated rubber spring is provided with top board, and by top board and overcoat clamping, the downside of described laminated rubber spring is provided with base plate; Described base plate and mandrel are fixedly linked by bolt I and lower seat, thus conical rubber spring and laminated rubber spring are fixed on lower seat.The setting of auxiliary rubber spring, ensure that pneumatic spring is when capsule goes wrong, and still can play the effect of pneumatic spring.
The upper-end surface of the periphery of described lower seat is provided with locks boss in, described in lock the periphery that boss is raised in lower seat in; The described external diameter locking boss in is greater than the internal diameter in rim of the mouth under described capsule, the clamping of locking rim of the mouth under boss and capsule in of described lower seat, thus avoid lower seat and the conical rubber spring be fixed on lower seat and laminated rubber spring under gravity and between capsule disengaging.
Wherein, described upper cover, clasp and air bag are fixedly linked by bolt II; The upper-end surface of described lower seat is provided with brake pad, and described brake pad and lower seat are fixedly linked by bolt III.
Wherein, the quantity of described suction port is two, and described two suction ports are symmetrically distributed on upper cover (4), and the outside of described suction port is provided with O RunddichtringO.
The beneficial effects of the utility model: the utility model is simple and reasonable, functional, the advantages such as air-tightness is good under low temperature environment.Pneumatic spring is made to have excellent air-tightness at low ambient temperatures by the reliable sealing means in the upper and lower rim of the mouth of air bag, can meet when train runs under normal temperature environment condition vertical, transverse direction and air-tightness, especially there is excellent low temperature airtightness energy, can meet and not leak under the environmental conditions of-40 DEG C.
Accompanying drawing explanation
Accompanying drawing 1 is cross-sectional view of the present utility model;
Accompanying drawing 2 is the partial enlarged drawing of part A in the utility model;
Accompanying drawing 3 is the partial enlarged drawing of part B in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1:
High and cold rail motor set pneumatic spring, comprise capsule 1, upper cover 4, clasp 5, lower seat 6 and auxiliary rubber spring, clasp 5 is arranged on the lower surface of upper cover 4, and the inside circumference of clasp 5 is provided with bayonet socket.Upper cover 4 is provided with two symmetrical suction ports, and the outside of suction port is provided with O RunddichtringO.Air spring upper cover 4 is connected with train body by two symmetrical intake interfaces, and lower seat central position is provided with locating stud and is connected with train bogie.
The upper rim of the mouth 13 of capsule 1 is flush-mounted in the bayonet socket of clasp 5, and the lower rim of the mouth 14 of capsule is flush-mounted in the circumference outer end of lower seat 6, and auxiliary rubber spring is arranged on the downside of lower seat 6.Auxiliary rubber spring comprises conical rubber spring 2 and laminated rubber spring 3, and conical rubber spring 2 is inverted hollow cone mesa-shaped, and laminated rubber spring 3 is cirque body shape.The inner side of conical rubber spring 2 is provided with mandrel 18, and is fixedly linked by mandrel 18 and lower seat 6, and the outside of conical rubber spring 2 is provided with overcoat 17.The upside of laminated rubber spring 3 is provided with top board 15, and by top board 15 and overcoat 17 clamping, the downside of laminated rubber spring 3 is provided with base plate 16.Base plate 16 and mandrel 18 are fixedly linked by bolt I 8.Upper cover 4, clasp 5 and air bag 1 are fixedly linked by bolt II 9; The upper-end surface of lower seat 6 is provided with brake pad 7, and brake pad 7 and lower seat 6 are fixedly linked by bolt III 10.Compressed air suits in air bag, and being connected with auxiliary rubber spring by lower seat, provides vertical, the dynamic performance in the direction such as transverse direction and torsion.
On described capsule 1, the upper surface in rim of the mouth 13 is provided with sealed muscle 19, and described sealed muscle 19 is the protruding structure of ring.The quantity of sealed muscle 19 is 2 circles, and seal ring 19 is of a size of 2.5 mm.Fitting surface between lower rim of the mouth and lower seat to be angle of inclination the be inclined-plane of 80 °.The upper-end surface of the periphery of lower seat 6 is provided with locks boss 20 in, described in lock the periphery that boss 20 is raised in lower seat 6 in.The external diameter locking boss 20 in is greater than the internal diameter in the lower rim of the mouth 13 of capsule 1, lower rim of the mouth 13 clamping of locking boss 20 and capsule 1 in of lower seat 6.
By arranging groove on air bag vulcanization die, on air bag, upper surface sulfuration in rim of the mouth forms low temperature seal muscle.Pneumatic spring is in the winter time under low temperature, rubber elasticity reduces, and along with long-time utilization, rubber produces compression set, sealing effect is caused to reduce, occur air leakage phenomena when low temperature, the utility model passes through shape and the position equidimension of appropriate design sealed muscle, obviously can improve the low temperature seal performance of pneumatic spring.Under air bag, between rim of the mouth and lower seat, fitting surface is inclined-plane simultaneously, and is designed with suitable magnitude of interference between the two, and pneumatic spring air pressure inside is larger, and under capsule, rim of the mouth coordinates tightr with lower seat, thus realizes selfsealings between the two.The reliable sealing means in the upper and lower rim of the mouth of air bag makes pneumatic spring have excellent air-tightness at low ambient temperatures, can ensure the normal operation of train under-40 DEG C of cold environmental conditions.
Embodiment 2:
As different from Example 1, the quantity of sealed muscle 19 is 4 circles, and seal ring 19 is of a size of 1.5 mm.Fitting surface between lower rim of the mouth and lower seat to be angle of inclination the be inclined-plane of 65 °.
Embodiment 3:
As different from Example 1, the quantity of sealed muscle 19 is 3 circles, and seal ring 19 is of a size of 3 mm.Fitting surface between lower rim of the mouth and lower seat to be angle of inclination the be inclined-plane of 50 °.
Claims (6)
1. high and cold rail motor set pneumatic spring, comprise capsule (1), upper cover (4), clasp (5), lower seat (6) and auxiliary rubber spring, described clasp (5) is arranged on the lower surface of upper cover (4), the inside circumference of described clasp (5) is provided with bayonet socket, the upper rim of the mouth (13) of described capsule (1) is flush-mounted in the bayonet socket of clasp (5), the lower rim of the mouth (14) of described capsule is flush-mounted in the circumference outer end of lower seat (6), and described auxiliary rubber spring is arranged on the downside of lower seat (6); Described upper cover (4) is provided with suction port, it is characterized in that: the upper surface in the upper rim of the mouth (13) of described capsule (1) is provided with sealed muscle (19), the protruding structure that described sealed muscle (19) is ring; Fitting surface under described capsule (1) between rim of the mouth (14) and lower seat (6) to be angle of inclination the be inclined-plane of 50-80 °.
2. high and cold rail motor set pneumatic spring according to claim 1, it is characterized in that: described auxiliary rubber spring comprises conical rubber spring (2) and laminated rubber spring (3), described conical rubber spring (2) is inverted hollow cone mesa-shaped, and described laminated rubber spring (3) is cirque body shape; The inner side of described conical rubber spring (2) is provided with mandrel (18), and be fixedly linked by mandrel (18) and lower seat (6), the outside of described conical rubber spring (2) is provided with overcoat (17); The upside of described laminated rubber spring (3) is provided with top board (15), and by top board (15) and overcoat (17) clamping, the downside of described laminated rubber spring (3) is provided with base plate (16); Described base plate (16) and mandrel (18) are fixedly linked with lower seat (6) by bolt I (8).
3. high and cold rail motor set pneumatic spring according to claim 2, is characterized in that: the quantity of described sealed muscle (19) is 2-4 circle, and described sealed muscle (19) is of a size of 1.5-3mm.
4. high and cold rail motor set pneumatic spring according to claim 2, it is characterized in that: the upper-end surface of the periphery of described lower seat (6) is provided with locks boss (20) in, described in lock the periphery that boss (20) is raised in lower seat (6) in; The described external diameter locking boss (20) in is greater than the internal diameter in rim of the mouth (13) under described capsule (1), the clamping of locking boss (20) and rim of the mouth (13) under capsule (1) in of described lower seat (6).
5. the high and cold rail motor set pneumatic spring according to claim 3 or 4, is characterized in that: described upper cover (4), clasp (5) and air bag (1) are fixedly linked by bolt II (9); The upper-end surface of described lower seat (6) is provided with brake pad (7), and described brake pad (7) and lower seat (6) are fixedly linked by bolt III (10).
6. high and cold rail motor set pneumatic spring according to claim 1, is characterized in that: the quantity of described suction port is two, and described two suction ports are symmetrically distributed on upper cover (4), and the outside of described suction port is provided with O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499038.3U CN204099478U (en) | 2014-09-01 | 2014-09-01 | High and cold rail motor set pneumatic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499038.3U CN204099478U (en) | 2014-09-01 | 2014-09-01 | High and cold rail motor set pneumatic spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099478U true CN204099478U (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420499038.3U Expired - Fee Related CN204099478U (en) | 2014-09-01 | 2014-09-01 | High and cold rail motor set pneumatic spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099478U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675895A (en) * | 2015-03-17 | 2015-06-03 | 株洲时代新材料科技股份有限公司 | Upper end surface of tapered spring rubber body, and method and product for preventing folds and cracks |
| CN104675896A (en) * | 2015-03-17 | 2015-06-03 | 株洲时代新材料科技股份有限公司 | Lower end surface of tapered spring rubber body, and method and product for preventing folds and cracks |
| CN104864009A (en) * | 2015-03-17 | 2015-08-26 | 株洲时代新材料科技股份有限公司 | Method and product for greatly changing rigidity of conical spring |
| CN106641079A (en) * | 2017-01-11 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Method for sealing air bag seam allowance of large bladder type air spring |
| CN107131243A (en) * | 2017-07-04 | 2017-09-05 | 中车青岛四方车辆研究所有限公司 | Air spring |
| CN107701641A (en) * | 2017-10-27 | 2018-02-16 | 株洲时代新材料科技股份有限公司 | Combination type air spring assembly |
| CN110578768A (en) * | 2019-09-23 | 2019-12-17 | 中车青岛四方车辆研究所有限公司 | Air spring and railway vehicle |
-
2014
- 2014-09-01 CN CN201420499038.3U patent/CN204099478U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675895A (en) * | 2015-03-17 | 2015-06-03 | 株洲时代新材料科技股份有限公司 | Upper end surface of tapered spring rubber body, and method and product for preventing folds and cracks |
| CN104675896A (en) * | 2015-03-17 | 2015-06-03 | 株洲时代新材料科技股份有限公司 | Lower end surface of tapered spring rubber body, and method and product for preventing folds and cracks |
| CN104864009A (en) * | 2015-03-17 | 2015-08-26 | 株洲时代新材料科技股份有限公司 | Method and product for greatly changing rigidity of conical spring |
| CN104864009B (en) * | 2015-03-17 | 2017-06-30 | 株洲时代新材料科技股份有限公司 | The method and product of a kind of volute spring significantly variation rigidity |
| CN106641079A (en) * | 2017-01-11 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Method for sealing air bag seam allowance of large bladder type air spring |
| CN106641079B (en) * | 2017-01-11 | 2019-08-09 | 株洲时代新材料科技股份有限公司 | A kind of air bag sub-mouth sealing method of yeast bellows type air spring |
| CN107131243A (en) * | 2017-07-04 | 2017-09-05 | 中车青岛四方车辆研究所有限公司 | Air spring |
| CN107131243B (en) * | 2017-07-04 | 2018-10-09 | 中车青岛四方车辆研究所有限公司 | Air spring |
| CN107701641A (en) * | 2017-10-27 | 2018-02-16 | 株洲时代新材料科技股份有限公司 | Combination type air spring assembly |
| CN110578768A (en) * | 2019-09-23 | 2019-12-17 | 中车青岛四方车辆研究所有限公司 | Air spring and railway vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190522 Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Co-patentee after: QINGDAO SRI TECHNOLOGY Co.,Ltd. Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Chengyang District, Qingdao City, Shandong Province Patentee before: QINGDAO SRI TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 |