CN108361312A - Combined air spring system - Google Patents
Combined air spring system Download PDFInfo
- Publication number
- CN108361312A CN108361312A CN201711419542.2A CN201711419542A CN108361312A CN 108361312 A CN108361312 A CN 108361312A CN 201711419542 A CN201711419542 A CN 201711419542A CN 108361312 A CN108361312 A CN 108361312A
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- China
- Prior art keywords
- metallic sheath
- pressing sleeve
- outer metallic
- interior
- spring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of combined air spring systems, including upper cover plate, air bag, pedestal, outer metallic sheath, interior metal pressing sleeve, rubber spring group and steel spring, outer metallic sheath is mounted on the base, interior metal pressing sleeve is sleeved in outer metallic sheath and forms gap with outer metallic sheath inner wall, rubber spring group is arranged in gap, steel spring is mounted in interior metal pressing sleeve, and interior metal pressing sleeve is pressed at the top of rubber spring group and steel spring, and the periphery of upper cover plate is connect by air bag with the periphery of outer metallic sheath.The air spring system has the advantages that simple and compact for structure, lose heart heavily loaded vertical stiffness bottom, comfort and stability are high.
Description
Technical field
The invention mainly relates to bumper and absorbing shock technology more particularly to a kind of combined air spring systems.
Background technology
Present air spring needs the car load undertaken increasing, and air bag selects big curve sac type air bag, can pass through
Increase the rigidity value when space reduction air spring system inflation of auxiliary tank.But it is vertical to need secondary spring to provide when no gas
Rigidity ensures vehicle normal operation.But some vehicle zero loads are especially big, under the premise of ensureing inflation system rigidity, lose heart big
Secondary spring is required to provide the vertical stiffness of very little when load.Currently used secondary spring is mostly India-rubber spring, mainly there is hourglass
Spring, volute spring and laminated spring, vertical stiffness is relatively small when volute spring big load in three kinds of springs, some vehicles empty spring without
Secondary spring is needed to provide very small vertical stiffness when gas when big load, general rubber spring cannot all be realized.Therefore, it needs
A kind of new structure type is designed, under the premise of ensureing air spring inflation and losing heart lower product stability, reduces empty spring
Vertical stiffness lose heart to improve discouraged operation safety and comfort.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, discouraged
Heavily loaded vertical stiffness bottom, comfort and the high combined air spring system of stability.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of combined air spring system, including upper cover plate, air bag, pedestal, outer metallic sheath, interior metal pressing sleeve, rubber spring
Group and steel spring, the outer metallic sheath are mounted on the base, the interior metal pressing sleeve be sleeved in outer metallic sheath and with outer metallic sheath
Inner wall forms gap, and the rubber spring group is arranged in gap, and the steel spring is mounted in interior metal pressing sleeve, the interior metal
Pressing sleeve is pressed at the top of rubber spring group and steel spring, and the periphery of the upper cover plate is connected by the periphery of the air bag and outer metallic sheath
It connects.
As a further improvement of the above technical scheme：
The pedestal includes bottom plate and the central shaft that heart position in the soleplate is arranged, and the outer metallic sheath is mounted on bottom plate close to outer
The position on all edges, the interior metal pressing sleeve are arranged on center shaft, and the lock for locking interior metal pressing sleeve is equipped at the top of central shaft
Tight component.
The locking assembly includes clamping screw, elastic washer and metal gasket, and the clamping screw sequentially passes through cushion
It is connect with central shaft screw top after circle and metal gasket.
The outer metal is placed on bottom outside and sets outer erecting bed, and the outer erecting bed is connected by fastener and bottom plate fastening
It connects.
Sealing ring is installed between the outer metallic sheath and bottom plate.
The rubber spring group includes the low level rubber bodies for vulcanizing connection successively, intermediate folded spring and high-order rubber bodies, described
Low level rubber bodies are fastenedly connected with bottom plate.
The low level rubber bodies are equipped with interior erecting bed in bottom inside, and the interior erecting bed is fastened by fastener and bottom plate
Connection.
The top of the interior metal pressing sleeve is equipped with wearing plate.
The peripheral surface bottom of the upper cover plate is equipped with retaining ring, described air bag one end and retaining ring snapping, the other end and outer metal
The periphery self sealss connection of set.
Compared with the prior art, the advantages of the present invention are as follows：
The combined air spring system of the present invention, including upper cover plate, air bag, pedestal, outer metallic sheath, interior metal pressing sleeve, rubber
Groups of springs and steel spring, outer metallic sheath are mounted on the base, interior metal pressing sleeve be sleeved in outer metallic sheath and with outer metallic sheath inner wall
Gap is formed, rubber spring group is arranged in gap, and steel spring is mounted in interior metal pressing sleeve, and interior metal pressing sleeve is pressed on rubber spring
At the top of group and steel spring, the periphery of upper cover plate is connect by air bag with the periphery of outer metallic sheath.In the structure, steel spring passes through interior metal
The form that pressing sleeve forms precompressed is mounted in interior metal pressing sleeve, is only worked under air deflating state, on the one hand can be saved installation space,
It ensure that the simple and compact of structure, on the other hand the vertical stiffness of very little can be provided when losing heart larger unloaded；Steel spring pressure-bearing
Interior metal pressing sleeve is contacted with rubber spring group after to certain load, and rubber spring group just works at this time so that is carried in bigger
Ensure that the rigidity of steel spring spring and rubber spring group compound action steadily increases when lotus, avoids rigid collision contact, improve vehicle
In big load without gas stability；Outer metallic sheath and interior metal pressing sleeve form vertical hard backstop, avoid car body excessive convergence,
Ensure the stability of vehicle.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Each label indicates in figure：
1, upper cover plate；11, retaining ring；2, air bag；3, pedestal；31, bottom plate；32, central shaft；4, outer metallic sheath；41, outer erecting bed；
5, interior metal pressing sleeve；6, rubber spring group；61, low level rubber bodies；611, interior erecting bed；62, intermediate folded spring；63, high-order rubber
Body；7, steel spring；8, locking assembly；81, clamping screw；82, elastic washer；83, metal gasket；9, sealing ring；10, wearing plate.
Specific implementation mode
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1, a kind of embodiment of the combined air spring system of the present invention, including upper cover plate 1, air bag 2, pedestal
3, outer metallic sheath 4, interior metal pressing sleeve 5, rubber spring group 6 and steel spring 7, outer metallic sheath 4 are installed on the base 3, interior metal pressing sleeve 5
It is sleeved in outer metallic sheath 4 and forms gap with 4 inner wall of outer metallic sheath, rubber spring group 6 is arranged in gap, and steel spring 7 is installed
In interior metal pressing sleeve 5, interior metal pressing sleeve 5 is pressed on 7 top of rubber spring group 6 and steel spring, and the periphery of upper cover plate 1 passes through air bag 2
It is connect with the periphery of outer metallic sheath 4.In the structure, the form that steel spring 7 forms precompressed by interior metal pressing sleeve 5 is mounted on interior metal
In pressing sleeve 5, only works under air deflating state, on the one hand can save installation space, ensure that the simple and compact of structure, another party
Face can provide the vertical stiffness of very little when losing heart larger unloaded；Interior metal pressing sleeve 5 and rubber after steel spring 7 pressure-bearing to certain load
Groups of springs 6 contacts, and rubber spring group 6 just works at this time so that ensures 7 spring of steel spring and rubber spring group in more big load
The rigidity of 6 compound actions steadily increases, avoid rigid collision contact, improve vehicle in big load without gas stability；
Outer metallic sheath 4 and interior metal pressing sleeve 5 form vertical hard backstop, avoid car body excessive convergence, ensure the stability of vehicle.
In the present embodiment, pedestal 3 includes bottom plate 31 and the central shaft 32 in 31 center of bottom plate, outer metallic sheath 4 is arranged
Mounted on bottom plate 31 close to the position of outer periphery, interior metal pressing sleeve 5 is set on central shaft 32, and 32 top of central shaft, which is equipped with, to be used for
The locking assembly 8 of metal pressing sleeve 5 in locking.In the structure, bottom plate 31 is for carrying and installing outer metallic sheath 4 and rubber spring
Group 6, and on the one hand the setting of central shaft 32 locks interior metal pressing sleeve 5 using locking assembly 8, ensure the precompression to steel spring 7, separately
On the one hand, lose heart or when overloaded, interior metal pressing sleeve 5 can further be moved down along central shaft 32, to ensure that rigidity steadily increases.
In the present embodiment, locking assembly 8 include clamping screw 81, elastic washer 82 and metal gasket 83, clamping screw 81 according to
It is secondary to be connect with 32 screw top of central shaft after elastic washer 82 and metal gasket 83.In the structure, elastic washer 82 and metal
The setting of pad 83 can further increase the fastening effect of clamping screw 81, it is therefore prevented that raw to loosen.
In the present embodiment, outer metallic sheath 4 sets outer erecting bed 41 in bottom outside, and outer erecting bed 41 passes through fastener and bottom plate
31 are fastenedly connected.The setting of the outer erecting bed 41 improves installation effectiveness convenient for the installation of outer metallic sheath 4.
In the present embodiment, sealing ring 9 is installed between outer metallic sheath 4 and bottom plate 31.The sealing ring 9 has completely cut off outer erecting bed
Gap between 41 and bottom plate 31, plays sealing effect, prevents gas leakage.
In the present embodiment, rubber spring group 6 includes the low level rubber bodies 61 for vulcanizing connection successively, intermediate folded spring 62 and a high position
Rubber bodies 63, low level rubber bodies 61 are fastenedly connected with bottom plate 31.The low level rubber bodies 61, intermediate folded spring 62 and high-order rubber bodies 63
Setting increase the elevation of elastomer between upper cover plate 1 and bottom plate 31, that is, greatly reduce secondary spring under heavy loads
Vertical stiffness, improves the comfort under heavy loads of secondary spring, and the setting of intermediate folded spring 62 make it is increased in elevation
Meanwhile the lateral displacement of rubber spring group 6 is also increased, which folds spring 62 by low level rubber bodies 61 and high-order rubber by centre
Colloid 63 is completely separated, can avoid the Cross deformation of secondary spring, improves the stability of secondary spring lateral displacement.
In the present embodiment, low level rubber bodies 61 are equipped with interior erecting bed 611 in bottom inside, and interior erecting bed 611 passes through fastening
Part is fastenedly connected with bottom plate 31.The setting of the interior erecting bed 611 improves installation effectiveness convenient for the installation of rubber spring group 6.
In the present embodiment, the top of interior metal pressing sleeve 5 is equipped with wearing plate 10.The wearing plate 10 mainly reduces phase of losing heart
To the friction coefficient of displacement, easily lateral displacement is provided.
In the present embodiment, the peripheral surface bottom of upper cover plate 1 is equipped with retaining ring 11,2 one end of air bag and 11 snapping of retaining ring, the other end
It is connect with the periphery self sealss of outer metallic sheath 4.In the structure, 2 small rim of the mouth of air bag is connect with outer metallic sheath 4 using self sealss, is prevented
Leak-stopping gas.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, every
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (9)
1. a kind of combined air spring system, it is characterised in that：Including upper cover plate（1）, air bag（2）, pedestal（3）, outer metal
Set（4）, interior metal pressing sleeve（5）, rubber spring group（6）And steel spring（7）, the outer metallic sheath（4）Mounted on pedestal（3）On, institute
State interior metal pressing sleeve（5）It is sleeved on outer metallic sheath（4）It is interior and with outer metallic sheath（4）Inner wall forms gap, the rubber spring group
（6）It is arranged in gap, the steel spring（7）Mounted on interior metal pressing sleeve（5）It is interior, the interior metal pressing sleeve（5）It is pressed on rubber bullet
Spring group（6）And steel spring（7）Top, the upper cover plate（1）Periphery pass through the air bag（2）With outer metallic sheath（4）Periphery connect
It connects.
2. combined air spring system according to claim 1, it is characterised in that：The pedestal（3）Including bottom plate
（31）With setting in bottom plate（31）The central shaft of center（32）, the outer metallic sheath（4）Mounted on bottom plate（31）Close to outer
The position on all edges, the interior metal pressing sleeve（5）It is set in central shaft（32）On, central shaft（32）Top is equipped with for locking interior gold
Belong to pressing sleeve（5）Locking assembly（8）.
3. combined air spring system according to claim 2, it is characterised in that：The locking assembly（8）Including lock
Tight bolt（81）, elastic washer（82）And metal gasket（83）, the clamping screw（81）Sequentially pass through elastic washer（82）And gold
Belong to pad（83）Afterwards with central shaft（32）Screw top connects.
4. combined air spring system according to claim 3, it is characterised in that：The outer metallic sheath（4）In bottom
Outside sets outer erecting bed（41）, the outer erecting bed（41）Pass through fastener and bottom plate（31）It is fastenedly connected.
5. combined air spring system according to claim 4, it is characterised in that：The outer metallic sheath（4）With bottom plate
（31）Between sealing ring is installed（9）.
6. the combined air spring system according to any one of claim 2 to 5, it is characterised in that：The rubber bullet
Spring group（6）Low level rubber bodies including vulcanizing connection successively（61）, intermediate folded spring（62）With high-order rubber bodies（63）, the low level
Rubber bodies（61）With bottom plate（31）It is fastenedly connected.
7. combined air spring system according to claim 6, it is characterised in that：The low level rubber bodies（61）The bottom of in
Interior erecting bed is equipped on the inside of portion（611）, the interior erecting bed（611）Pass through fastener and bottom plate（31）It is fastenedly connected.
8. the combined air spring system according to any one of claim 2 to 5, it is characterised in that：The interior metal
Pressing sleeve（5）Top be equipped with wearing plate（10）.
9. the combined air spring system according to any one of claim 2 to 5, it is characterised in that：The upper cover plate
（1）Peripheral surface bottom be equipped with retaining ring（11）, the air bag（2）One end and retaining ring（11）Snapping, the other end and outer metallic sheath（4）
Periphery self sealss connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419542.2A CN108361312B (en) | 2017-12-25 | 2017-12-25 | Combined air spring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419542.2A CN108361312B (en) | 2017-12-25 | 2017-12-25 | Combined air spring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361312A true CN108361312A (en) | 2018-08-03 |
| CN108361312B CN108361312B (en) | 2020-06-12 |
Family
ID=63010078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711419542.2A Active CN108361312B (en) | 2017-12-25 | 2017-12-25 | Combined air spring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361312B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195758A (en) * | 2019-06-19 | 2019-09-03 | 中车青岛四方车辆研究所有限公司 | A kind of air spring and vehicle |
| CN110608259A (en) * | 2019-10-11 | 2019-12-24 | 湖南铁路科技职业技术学院 | Air spring system capable of conveniently detecting deformation of auxiliary spring and detection method |
| CN110608254A (en) * | 2019-09-26 | 2019-12-24 | 湖南铁路科技职业技术学院 | Quasi-zero stiffness axle box spring vibration reduction method and spring |
| CN110617295A (en) * | 2019-09-26 | 2019-12-27 | 湖南铁路科技职业技术学院 | Air spring system vibration reduction method capable of achieving air leakage quasi-zero stiffness and spring system |
| CN111473086A (en) * | 2020-03-17 | 2020-07-31 | 株洲时代瑞唯减振装备有限公司 | Air spring provided with pressure relief emergency device |
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| CN2159910Y (en) * | 1993-05-29 | 1994-03-30 | 铁道部科学研究院机车车辆研究所 | Air spring hanging device for double layer train car |
| JP2001287641A (en) * | 2000-04-06 | 2001-10-16 | Toyo Tire & Rubber Co Ltd | Air spring for rolling stock |
| CN201246436Y (en) * | 2008-06-23 | 2009-05-27 | 盐城市宏达人工环境工程有限公司 | Large damp heavy load vibration damper |
| CN101956779A (en) * | 2009-07-16 | 2011-01-26 | 东洋橡胶工业株式会社 | Vehicle air spring and suspender installation method thereof |
| CN202901154U (en) * | 2012-11-12 | 2013-04-24 | 嘉兴市标速汽车零部件有限公司 | Air-spring shock-absorbing airbag |
| CN105736626A (en) * | 2014-12-26 | 2016-07-06 | 东洋橡胶工业株式会社 | Air spring |
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Patent Citations (6)
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| CN2159910Y (en) * | 1993-05-29 | 1994-03-30 | 铁道部科学研究院机车车辆研究所 | Air spring hanging device for double layer train car |
| JP2001287641A (en) * | 2000-04-06 | 2001-10-16 | Toyo Tire & Rubber Co Ltd | Air spring for rolling stock |
| CN201246436Y (en) * | 2008-06-23 | 2009-05-27 | 盐城市宏达人工环境工程有限公司 | Large damp heavy load vibration damper |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195758A (en) * | 2019-06-19 | 2019-09-03 | 中车青岛四方车辆研究所有限公司 | A kind of air spring and vehicle |
| CN110608254A (en) * | 2019-09-26 | 2019-12-24 | 湖南铁路科技职业技术学院 | Quasi-zero stiffness axle box spring vibration reduction method and spring |
| CN110617295A (en) * | 2019-09-26 | 2019-12-27 | 湖南铁路科技职业技术学院 | Air spring system vibration reduction method capable of achieving air leakage quasi-zero stiffness and spring system |
| CN110617295B (en) * | 2019-09-26 | 2024-03-08 | 湖南铁路科技职业技术学院 | Air spring system capable of realizing air leakage quasi-zero stiffness |
| CN110608259A (en) * | 2019-10-11 | 2019-12-24 | 湖南铁路科技职业技术学院 | Air spring system capable of conveniently detecting deformation of auxiliary spring and detection method |
| CN111473086A (en) * | 2020-03-17 | 2020-07-31 | 株洲时代瑞唯减振装备有限公司 | Air spring provided with pressure relief emergency device |
| CN111473086B (en) * | 2020-03-17 | 2021-12-21 | 株洲时代瑞唯减振装备有限公司 | Air spring provided with pressure relief emergency device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108361312B (en) | 2020-06-12 |
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