CN110159695A - Cord integration winding enhancing rubber air spring - Google Patents
Cord integration winding enhancing rubber air spring Download PDFInfo
- Publication number
- CN110159695A CN110159695A CN201910414423.0A CN201910414423A CN110159695A CN 110159695 A CN110159695 A CN 110159695A CN 201910414423 A CN201910414423 A CN 201910414423A CN 110159695 A CN110159695 A CN 110159695A
- Authority
- CN
- China
- Prior art keywords
- flange
- cord
- air spring
- cover plate
- utricule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0409—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the wall structure
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
Abstract
The invention discloses a kind of cord integrations to wind enhancing rubber air spring, technical solution includes upper and lower flange and vulcanizes integral utricule with upper and lower compression ring, the upper flange is connect through upper fastener with upper cover plate, the lower flange is connect through lower fastener with lower cover plate, upper and lower compression ring is respectively equipped between the utricule and upper cover plate and lower cover plate, the constraint flange connecting with upper cover plate is cased with outside the utricule, the utricule is made of inner glue layer, casing play and outer glue-line, and the inner glue layer is integral with upper flange and lower flange vulcanization respectively；The outer glue-line is melted into one with upper compression ring and lower compression epithio respectively, and the cord in the casing play carries out cross network winding to inner glue layer and upper lower flange, and upper lower flange can be tied to integrated, reticular structure cord ply by formation.
Description
Technical field
The present invention relates to a kind of vibration isolation element, specifically a kind of cord integration winding enhancing rubber air spring.
Background technique
Air spring is a kind of damping element with nonlinear static, dynamic rate, it compresses non-thread using air
Vibration and impact is isolated in property rigidity and damping characteristic, has been widely used in the devices such as various power, machinery, precision instrument
Vibration isolation or actuation design.
The bearing capacity of air spring depends on intracapsular gas pressure, for applying the lesser occasion of installation space, it is necessary to
Intracapsular operating pressure is greatly improved, air spring size is reduced, uses requirements of installation space to meet.Intracapsular operating pressure it is big
Width improves that more stringent requirements are proposed to its strength of joint and air-tightness.Conventional air bellows utricule and strap joint structure type
Self-sealed (China Patent No. 201710538102.2) is generally vulcanized using utricule, bolt flange squash type (China Patent No.
201721709826.0) or crimping is self-sealed (China Patent No. 201380073617.X), but is not able to satisfy high pressure and holds greatly
Carry space-time air spring joint anti-pulling-and-doffing performance and high-air-tightness requirement.
" high-pressure large load air spring " (China Patent No. 200710051635.4) uses the connector of three integrated flanges
It is one that structure type, the i.e. casing play of utricule, which compress vulcanization by outward flange and supported flange again after a circle on spacer flanger,
Body, with an improved the joint structures of utricule and cover board, improve resistance to plucking and take off ability.But this structure is formed by flange screw casing play
Frictional force guarantee that its resistance to plucking takes off ability, when air spring is relatively large in diameter, operating pressure is further increased, or by outer
Boundary impacts in the case where utricule generation moderate finite deformation, and cord still can come out in pull-off from the flange of clamping, in addition this knot
The flange opening of structure is larger, higher to sealing requirements.
Summary of the invention
The purpose of the present invention is to solve above-mentioned technical problem, provide a kind of structure is simple, intensity is high, air-tightness is good,
The excellent cord integration winding enhancing rubber air spring of anti-pulling-and-doffing performance energy.
Technical solution includes upper and lower flange and vulcanizes integral utricule with upper and lower compression ring, and the upper flange is through upper
Fastener is connect with upper cover plate, and the lower flange is connect through lower fastener with lower cover plate, the utricule and upper cover plate and lower cover plate
Between be respectively equipped with upper and lower compression ring, the constraint flange connecting with upper cover plate is cased with outside the utricule；The utricule is by interior glue
Layer, casing play and outer glue-line are constituted, and the inner glue layer is integral with upper flange and lower flange vulcanization respectively, the outer glue-line difference
With upper compression ring and lower compression epithio chemical conversion one；Cord in the casing play carries out crossing net to inner glue layer and upper lower flange
Upper lower flange can be tied to integrated, reticular structure cord ply by shape winding, formation.
The casing play at least contains cord ply.
The casing play is made of the cord ply and rubber layer of multi-layer intercrossed arrangement.
It is provided with air inlet on the upper flange or lower flange, is provided on the corresponding cover board of flange of air inlet and is provided with stomata,
The air inlet is connect through stomata with gas nozzle.
The flange top surface for being provided with air inlet is equipped with annular convex platform, opens leachy cover board bottom surface equipped with corresponding with annular convex platform
Annular groove, ring type seal is equipped in the annular groove, the annular convex platform correspondence is caught in annular groove.
Fixed sealing element on the cover board is correspondingly provided at the air inlet of the flange, the sealing element is integral by vulcanizing
Upper rubber layer and lower metal disk constitute, the circumference of the rubber layer is equipped with the annular groove mouth that Open Side Down, the ring
The outer wall of connected in star mouth is contacted with the wall surface of the flange air inlet；Also corresponding be provided with is connected to the stomata on the sealing element
Port.
It further include having positioned at the intracorporal built-in limiter of capsule, the built-in limiter is mounted on lower flange by fastener
On.
It further include having the external limiter being located at outside constraint flange, the external limiter is mounted on lower cover by fastener
On plate；The constraint flange is equipped with the limit plate with the external limiter cooperation.
The external limiter includes limit metal frame and limit rubber layer.
The utility model has the advantages that
(1) air spring joints structure form is improved, by the way that upper lower flange is tied up into one with the integration winding of cord
It is whole, and then integrated connection property is improved, it is this to seem simple transformation, so that is overcome when pull-off is no longer flange and casing play
Between frictional force, but cord ply is to the netted winding power of upper lower flange integrated binding formula, unless cords break, otherwise will not
There is the case where utricule pull-off, greatly improves the anti-pulling-and-doffing performance energy of air spring.
(2) using integration enhancing rubber utricule structure, only a flange is provided with air inlet in upper and lower flange, can effectively protect
Demonstrate,prove whole air-tightness；In order to propose the air-tightness at step guarantee flange air inlet, using two-stage sealing structure: flange is covered with corresponding
It is sealed between plate with ring type seal；Sealing element is used at air inlet, the annular groove mouth outer wall of sealing element circumference is just against
Seam crossing between flange air inlet and corresponding cover board can locally realize self-sealing after utricule inflation.
(3) occasion more demanding to air spring impact characteristics, can install limiting device, by interior on air spring
The combination of limiter and external limiter is set, air spring three-dimensional blastic deformation can be effectively limited；By suitably adjusting limit
The structure and stiffness characteristics of device can effectively adjust the vertical compression of air spring, stretching, cross/impact of collision characterisitic parameter.
(4) air spring good integrity of the present invention, bulk is small, bearing capacity is strong, high reliablity, anti-pulling-and-doffing performance energy and
Air-tightness is good, suitable for such as membrane type, bellows or the air spring of other structures.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention (membrane type structure).
The upper and lower cover plates that Fig. 2 is Fig. 1 installs interface diagram.
Fig. 3 is the partial enlarged view in the portion A in Fig. 1.
Fig. 4 a is that upper flange cord winds schematic diagram (membrane type structure).
Fig. 4 b is that lower flange cord winds schematic diagram (membrane type structure).
Fig. 5 is the structural schematic diagram of sealing element.
Fig. 6 is the schematic diagram in A-A direction of Fig. 5.
Fig. 7 is the embodiment schematic diagram that (membrane type structure) of the invention is equipped with limiting device.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is that cord winds schematic diagram (bellows structure).
Figure 10 is bellows constructive embodiment schematic diagram of the present invention.
Figure 11 is that (bellows structure) of the invention changes embodiment schematic diagram after flange arrangement form up and down.
Wherein, the first bolt of 1-, 2- utricule, 2.1- inner glue layer, 2.2- casing play, 2.21- cord ply, 2.22- rubber layer,
2.3- outer glue-line, the second bolt of 3-, 4- upper cover plate, 4.1- stomata, 4.2- annular groove, 5- upper flange, 5.1- air inlet, 5.2-
Compression ring under annular convex platform, 6- lower cover plate, 7- lower flange, the upper compression ring of 8-, 9-, 10- constraint flange, 11- cord, 12- gas nozzle,
13- ring type seal, 14- sealing element, 14.1- port, 15- rubber layer, 15.1- annular groove mouth, 16- metal dish, 17- installation
Hole, 18- third bolt, the 4th bolt of 19-, limiter, the 5th bolt of 21-, the external limiter of 22-, 22.1- limit built in 20-
Metal frame, 22.2- limit rubber layer, the 6th bolt of 23-, 24- limit plate, 25- floor.
Specific embodiment
Explanation is further explained to the present invention with reference to the accompanying drawing:
Referring to Fig. 1 and Fig. 2, it is corresponding for installing to be reserved with multiple mounting holes 17 for upper cover plate 4 and lower cover plate 6 in the present invention
Top shock-absorption device and bottom base；Utricule 2 connects upper and lower flange 5,7 and vulcanizes therewith integral；The upper flange 5 passes through
Second bolt 3 is connect with upper cover plate 4, and the lower flange 7 is connect through third bolt 18 with lower cover plate 6, the utricule 2 and upper cover plate
It is respectively equipped with upper and lower compression ring 8,9 between 4 and lower cover plate 6, is cased with leash law orchid 10, the constraint flange 10 outside the utricule 2
It is fixed on upper cover plate 4 through the first bolt 1, air spring can be adjusted by adjusting the guide angle of constraint flange 10
The mechanical characteristics such as quiet, dynamic rate.The lower flange 7 is totally-enclosed, and the upper flange 5 is provided with air inlet 5.1, the upper cover plate 4
It is provided with stomata 4.1, the air inlet 5.1 is connect through stomata 4.1 with gas nozzle 12.
Referring to Fig. 1,5 top surface of upper flange is equipped with annular convex platform 5.2, and 4 bottom surface of upper cover plate is equipped with and shape ring convex platform
5.2 corresponding annular grooves 4.2, the annular groove 4.2 is interior to be equipped with ring type seal 13, the corresponding card of the annular convex platform 5.2
Enter in annular groove 4.2, while being sealed with ring type seal 13.
Referring to figs. 5 and 6, it is correspondingly provided at the air inlet 5.1 of the upper flange 5 and is fixed on upper cover plate through the 4th bolt 19
Sealing element 14 on 4, the sealing element 14 are constituted by vulcanizing integral upper rubber layer 15 and lower metal disk 16, the rubber
The circumference of glue-line 15 is equipped with the annular groove mouth 15.1 that Open Side Down, the outer wall and the upper flange of the annular groove mouth 15.1
The wall surface of 5 air inlets 5.1 contacts；Also correspondence is provided with the port 14.1 being connected to the stomata 4.1 on the sealing element 14, to protect
Inflation/deflation channel of the card in from gas nozzle 12 to utricule 2 is unobstructed.
The utricule 2 is made of inner glue layer 2.1, casing play 2.2 and outer glue-line 2.3, the inner glue layer 2.1 respectively with upper method
Orchid 5 and lower flange 7 vulcanize integrally；The outer glue-line 2.3 vulcanizes integrally with upper compression ring 8 and lower compression ring 9 respectively, described
Cord 11 in casing play 2.2 carries out cross network winding to inner glue layer and upper lower flange, and upper lower flange can be tied to by formation
One, reticular structure cord ply 2.21 (reticular structure being wound is shown in Fig. 4 a and Fig. 4 b).
Preferably, according to working strength needs, referring to Fig. 3, the casing play 2.2 can be only by 2.21 groups of single layer cord ply
At, can also be made of the cord ply 2.21 of multi-layer intercrossed setting and rubber layer 2.22, the laying number of plies of the cord ply 2.21 and
The winding angle of cord 11 is not particularly limited in cord ply 2.21, and those skilled in the art, which can according to need, to be designed；
The material of the cord 11 can be the other fibrous materials of high-intensitive aramid fiber or nylon, polyester etc..
Preferably, pacify for the static and dynamic performance and impact characteristics for advanced optimizing air spring meeting referring to Fig. 7-8
In the case where filling bulk requirement, limiting device can be installed on air spring:
First is that installing built-in limiter 20 inside air spring, built-in limiter 20 is mounted on down by the 5th bolt 21
On flange 7, the static and dynamic performance of the adjustable air spring of volume by changing built-in limiter 20, built in changing
The vertical compression shock characteristic of the adjustable air spring of height and stiffness characteristics of limiter 20.
Second is that can install external limiter 22 outside air spring, external limiter 22 is by 22.1 He of limit metal frame
It limits rubber layer 22.2 to form, is installed on lower cover plate 6 that (lower cover plate 6 need to adjust size and meet external limit by the 6th bolt 23
The installation requirement of position device 22)；Floor is arranged between limit plate 24 and constraint flange 10 in the welded limiting plate 24 on constraint flange 10
25；By the combination of limit plate 24 and external limiter 22, the vertical compression of air spring, stretching, horizontal/longitudinal position can be limited
It moves.Pass through thickness value (the i.e. adjusting all directions limit rubber of air layer, buffer layer during change air spring three-dimensional blastic deformation
22.2 outer surface of glue-line to the distance between limit plate 24 and limit rubber layer 22.2 thickness), vertical stretching, pressure is adjusted
Contracting, cross/impact of collision characterisitic parameter.In addition, bonding strength, external limiting device 22 between limit plate 24 and constraint flange 10
With the bonding strength between lower cover plate 6, limits the structural strength of metal frame 22.1 and limit the material property of rubber layer 22.2 all
The each of air spring can be had an impact to impact characteristics.
Above structure is the air spring of membrane type structure, and referring to Fig. 1 or Fig. 7, structure of the invention applies also for bellows structure
Air spring, Fig. 9 be bellows structural gap spring cord wind schematic diagram, Figure 10 be bellows structural gap spring structure illustrate
Figure.
The opening of upper flange 5, the closed knot of lower flange 7 are chosen in above two embodiment (membrane type structure or bellows structure)
Configuration formula, referring to Figure 11, the present invention is also able to achieve the opening of lower flange 7, the closed structure type of upper flange 5.
Membrane type structural gap spring (referring to Fig. 1) long 405mm, wide 360mm, high 228mm, specified gas in the embodiment of the present invention
Pressure is 2.5Mpa.Experiment proves that bearing capacity is 9.75~19 tons when air spring inflates 1.5~3Mpa.Air bullet
Spring has no leakage, breakage or utricule pull-off situation when being pressurized to 26Mpa.Air is depressed into 4Mpa in filling, and (only stays ring in single-stage sealing
Shape sealing ring) 90 days are stood under state, pressure drop is carried out under single/double stage sealing states for 24 hours less than 5.5% using 10 groups of model machines
Air-tight test comparison, air-tightness effect further increase 16%.Under rated service loads, at intrinsic frequency with amplitude ±
1.27mm carries out 1x106The fatigue test of secondary circulation vertical vibration, air spring is without exception during test, air after test
Spring appearance is good, carries out air-tight test for 24 hours at this time, and pressure drop is only 0.3%.With the speed of 3.0mm/s under rated condition
Vertical stretching, compression 50mm large deformation test are carried out to air spring, test cycle 10 times, air spring appearance is good, utricule
Without damage, no pull-off；Two air spring combinations are fixed on test fixture, tension and compression 30mm is carried out with the speed of 2.5mm/s
Test, test cycle 10 times, air spring appearance is good, and utricule is without damage, no pull-off.Air spring drops hammer in LC-4 type 20t
On shock machine carry out three-dimensional impact test, when drop hammer in test maximum height impact downwards when, the vertical stretching of air spring, hang down
Reaching 50mm large deformation to compression, horizontal, impact of collision reaches 30mm large deformation, twice after repetitive test, air spring appearance
Well, utricule is without damage, no pull-off.The bearing capacity of air spring in the present embodiment, resistance to plucking be de- as a result, leakproofness and can
It accesses and fully ensures that by performance.
Claims (9)
1. a kind of cord integration winding enhancing rubber air spring, including upper and lower flange and it is sulfided into upper and lower compression ring
The utricule of one, the upper flange are connect through upper fastener with upper cover plate, and the lower flange is connect through lower fastener with lower cover plate,
It is characterized in that, be respectively equipped with upper and lower compression ring between the utricule and upper cover plate and lower cover plate, be cased with outside the utricule with it is upper
The constraint flange of cover board connection；The utricule is made of inner glue layer, casing play and outer glue-line, the inner glue layer respectively with upper flange
Integral with lower flange vulcanization, the outer glue-line is melted into one with upper compression ring and lower compression epithio respectively；In the casing play
Cord cross network winding is carried out to inner glue layer and upper lower flange, upper lower flange can be tied to integrated, netted knot by formation
The cord ply of structure.
2. cord integration winding enhancing rubber air spring as described in claim 1, which is characterized in that the casing play is extremely
Contain cord ply less.
3. cord integration as claimed in claim 2 winding enhancing rubber air spring, which is characterized in that the casing play by
The cord ply and rubber layer of multi-layer intercrossed arrangement form.
4. cord integration winding enhancing rubber air spring as described in any one of claims 1-3, which is characterized in that described
It is provided with air inlet on upper flange or lower flange, is provided on the corresponding cover board of flange of air inlet and is provided with stomata, the air inlet warp
Stomata is connect with gas nozzle.
5. cord integration winding enhancing rubber air spring as claimed in claim 4, which is characterized in that be provided with air inlet
Flange top surface is equipped with annular convex platform, opens leachy cover board bottom surface equipped with annular groove corresponding with annular convex platform, the annular
Ring type seal is equipped in groove, the annular convex platform correspondence is caught in annular groove.
6. cord integration as claimed in claim 5 winding enhancing rubber air spring, which is characterized in that the flange into
Fixed sealing element on the cover board is correspondingly provided at port, the sealing element is by vulcanizing integral upper rubber layer and lower layer's gold
Belong to disk to constitute, the circumference of the rubber layer is equipped with the annular groove mouth that Open Side Down, the outer wall of the annular groove mouth with it is described
The wall surface of flange air inlet contacts；Also correspondence is provided with the port being connected to the stomata on the sealing element.
7. cord integration winding enhancing rubber air spring as described in any one of claims 1-3, which is characterized in that also wrap
It has included positioned at the intracorporal built-in limiter of capsule, the built-in limiter is mounted on lower flange by fastener.
8. cord integration winding enhancing rubber air spring as claimed in claim 7, which is characterized in that further include having to be located at
The external limiter outside flange is constrained, the external limiter is mounted on lower cover plate by fastener；On the constraint flange
Equipped with the limit plate with the external limiter cooperation.
9. line integration winding enhancing rubber air spring as claimed in claim 8, which is characterized in that the external limiter
Including limit metal frame and limit rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414423.0A CN110159695B (en) | 2019-05-17 | 2019-05-17 | Cord integrated winding reinforced rubber air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414423.0A CN110159695B (en) | 2019-05-17 | 2019-05-17 | Cord integrated winding reinforced rubber air spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159695A true CN110159695A (en) | 2019-08-23 |
| CN110159695B CN110159695B (en) | 2020-12-22 |
Family
ID=67631388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414423.0A Active CN110159695B (en) | 2019-05-17 | 2019-05-17 | Cord integrated winding reinforced rubber air spring |
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| CN (1) | CN110159695B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797108A (en) * | 2021-01-05 | 2021-05-14 | 中国人民解放军海军工程大学 | Hyperbolic membrane type low-rigidity air spring |
| CN112963481A (en) * | 2021-02-24 | 2021-06-15 | 中国第一汽车股份有限公司 | Combined type air spring |
| CN112984024A (en) * | 2021-01-22 | 2021-06-18 | 中国人民解放军92578部队 | Capsule type molecular spring vibration isolator |
| CN114483865A (en) * | 2022-01-28 | 2022-05-13 | 华中科技大学 | High-airtightness sealing structure and gas spring vibration isolator |
| CN114810901A (en) * | 2022-04-15 | 2022-07-29 | 中国人民解放军海军工程大学 | Novel air bag vibration isolator |
| WO2023103892A1 (en) * | 2021-12-07 | 2023-06-15 | 中国第一汽车股份有限公司 | Air spring airbag and preparation method therefor and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797108A (en) * | 2021-01-05 | 2021-05-14 | 中国人民解放军海军工程大学 | Hyperbolic membrane type low-rigidity air spring |
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| CN112984024A (en) * | 2021-01-22 | 2021-06-18 | 中国人民解放军92578部队 | Capsule type molecular spring vibration isolator |
| CN112984024B (en) * | 2021-01-22 | 2022-06-21 | 中国人民解放军92578部队 | Capsule type molecular spring vibration isolator |
| CN112963481A (en) * | 2021-02-24 | 2021-06-15 | 中国第一汽车股份有限公司 | Combined type air spring |
| WO2023103892A1 (en) * | 2021-12-07 | 2023-06-15 | 中国第一汽车股份有限公司 | Air spring airbag and preparation method therefor and application thereof |
| CN114483865A (en) * | 2022-01-28 | 2022-05-13 | 华中科技大学 | High-airtightness sealing structure and gas spring vibration isolator |
| CN114483865B (en) * | 2022-01-28 | 2022-11-22 | 华中科技大学 | High-airtightness sealing structure and gas spring vibration isolator |
| CN114810901A (en) * | 2022-04-15 | 2022-07-29 | 中国人民解放军海军工程大学 | Novel air bag vibration isolator |
| CN114810901B (en) * | 2022-04-15 | 2024-02-20 | 中国人民解放军海军工程大学 | Novel air bag vibration isolator |
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| CN110159695B (en) | 2020-12-22 |
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