CN109356955A - A kind of wheel hub drives the air spring for electric vehicle with multilayer auxiliary chamber - Google Patents
A kind of wheel hub drives the air spring for electric vehicle with multilayer auxiliary chamber Download PDFInfo
- Publication number
- CN109356955A CN109356955A CN201811491523.5A CN201811491523A CN109356955A CN 109356955 A CN109356955 A CN 109356955A CN 201811491523 A CN201811491523 A CN 201811491523A CN 109356955 A CN109356955 A CN 109356955A
- Authority
- CN
- China
- Prior art keywords
- auxiliary chamber
- air
- chamber
- spring
- throttle hole
- 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
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Classifications
-
- 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
- F16F9/0209—Telescopic
- F16F9/0245—Means for adjusting the length of, or for locking, the spring or dampers
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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
- F16F9/0209—Telescopic
- F16F9/0281—Details
-
- 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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- 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
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
Abstract
A kind of wheel hub drives the air spring for electric vehicle with multilayer auxiliary chamber, is mainly made of a main air chamber and an auxiliary chamber, and wherein main air chamber is membrane flexible rubber pneumatic bag structure, and auxiliary chamber is rigid multi-layer structure；It is connected between main air chamber and auxiliary chamber with gas pipeline, the adjustable throttle hole in an aperture is set on gas pipeline；Throttle hole on gas pipeline has the high-precision ability of continuously adjusting；Rigid multi-layer auxiliary chamber is made of multi-layer cavity, is connected in series between different cavitys by switch valve；Controller can simultaneously be independently controlled throttle hole and switch valve, by the Collaborative Control to throttle hole internal diameter and the combination of switch valve open and-shut mode, it can be achieved that the accurate adjusting of the air spring rigidity and damping characteristic.
Description
Technical field
The invention belongs to air spring art, refers in particular to a kind of wheel hub and drive the air for electric vehicle with multilayer auxiliary chamber
Spring.
Background technique
With the development of automobile industry, requirement of the common people for vehicle comfort is also higher and higher.Spring is outstanding as vehicle
The main buffer unit of frame is played a very important role for improving comfort.Traditional helical spring is due to having structure
Simply, the advantages that low in cost, manufacture is easy, is durable reliable, is widely used in passive suspension.But since rigidity of helical spring has
Linear characteristic and unadjustable property are not able to satisfy vehicle and increasingly improve so that it is limited for the influence of comfort
Comfort requirement.For the electric car of In-wheel motor driving, due to the installation of its spring lower hub motor, lead
Caused the congenital comfort of vehicle to be lower than other vehicles of same level, thus the electric car of In-wheel motor driving for suspension and
The more strict requirements that bearing spring has normal spiral spring to be obviously difficult to fully meet.
For normal spiral spring, though air spring has higher economic cost, on overall performance
It is substantially better than the former.Air spring rigidity has more ideal nonlinear characteristic, is not only able to satisfy buffering when judder
Stability, can also make in slight vibration that body movement is softer, and comfort is more preferably.However, normal air spring also has
There are unification design, spring performance to be unable to dynamic regulation to adapt to the limitations such as different operating conditions, also limits to a certain extent
The development of air spring.In order to pursue higher spring performance and the ability of dynamic regulation can be carried out according to different operating conditions, have
Necessity proposes a kind of air spring that performance is controllable.
Summary of the invention
The purpose of the present invention is being directed to the limitation of conventional helical spring and air spring, propose a kind of for wheel hub driving
That that electric car uses, with nonlinear characteristic, rigidity and damping characteristic can be adjusted in real time according to actual condition,
The air spring with multilayer auxiliary chamber of vehicle comfort can be effectively improved.
To solve the above problems, the present invention provides a kind of wheel hubs to drive the air for electric vehicle with multilayer auxiliary chamber
Spring is mainly made of a main air chamber and an auxiliary chamber, and wherein main air chamber is membrane flexible rubber pneumatic bag structure, is added
Gas chamber is rigid multi-layer structure；It is connected between main air chamber and auxiliary chamber with gas pipeline, an aperture is set on gas pipeline
Adjustable throttle hole；Controller can simultaneously be independently controlled throttle hole and switch valve.
The throttle hole being located on gas pipeline in the air spring has the high-precision ability of continuously adjusting, can
Any change of throttle hole internal diameter numerical value is realized in particular range.Throttle hole to flowing through the restricted effect of gas,
So that the air spring has air damping characteristic.The internal diameter in throttle hole is adjusted to be controlled by the electric signal of controller, bullet
Due to the variation of main air chamber's air pressure inside when spring vibrates, gas in main air chamber and can be added by gas pipeline and throttle hole
Gas exchanges are carried out between gas chamber, the inner diameter size by adjusting throttle hole on gas pipeline can change gas in pipelines
Mass flowrate.
The rigid multi-layer auxiliary chamber of the air spring is made of multi-layer cavity, passes through switch valve string between different cavitys
Connection connection.The opening and closing of each switch valve is by controller independent control, when the switch valve between two layers of cavity is in the open state
When, it is interconnected between two cavitys, cavity volume is considered as an entirety；It, can be with by the combination of different switch valve open and-shut modes
Obtain different auxiliary chamber volumes.
The volume of each layer cavity is different in the rigid multi-layer auxiliary chamber of the air spring, is connected directly with gas pipeline
First floor cavity directly participate in the gas exchanges between main air chamber, be considered as auxiliary chamber participate in gas exchanges initiation layer, be
Guaranteeing that auxiliary chamber participates in the primary quantity of working gas, setting first floor cavity volume is greater than remaining each layer cavity volume, remaining
Each layer cavity volume can access first floor cavity by switch valve, and then realize the change of entire auxiliary chamber volume.For
Ensure the regulating effect of auxiliary chamber volume, therefore it is equal that remaining each layer void space is arranged, and is less than first floor cavity volume.
The size arrangement that the gas pipeline of the air spring, adjustable throttle hole, switch clear valve diameter are arranged are as follows: air
The internal diameter of pipeline is greater than the internal diameter of switch valve, and the internal diameter of switch valve is greater than the maximum inner diameter in adjustable throttle hole.Aperture peace
Row's mode is protected to make influence of the adjusting of throttle hole internal diameter to gas exchanges process in Monolithic spring in the highest flight
The validity of property regulation is demonstrate,proved.
In the present invention, controller can carry out the adjusting of two aspects to the excessively described air spring, be respectively as follows: change throttling
The internal diameter of damping hole, and change the open and-shut mode combination of switch valve.Firstly, the main air chamber of the air spring is supporting part
Part, stretching and the compression of spring cause main air chamber's air pressure inside to change, and the variation of main air chamber's air pressure inside will lead to main gas
Draught head is generated between room and auxiliary chamber, the gas under the driving of draught head in air spring passes through gas pipeline and throttle block
Buddhist nun hole is flowed between main air chamber and auxiliary chamber, and when gas passes through tiny throttle hole, throttle hole is to flowing through
The restricted effect of gas so that spring has apparent air damping characteristic；And within the scope of certain pore size, throttle block
Buddhist nun hole internal diameter is smaller, bigger to gas restriction effect, and spring damping characteristic is more obvious；Throttling can precisely be changed by controller
The air damping control of spring can be realized in the internal diameter of damping hole, and since the change in aperture is also to the compressibility of inner air
Certain influence is generated, therefore can also change spring rate characteristic to a certain extent.Secondly, the multilayer of the air spring adds gas
Though room is not load bearing component, its internal air stored still can enter main gas by gas pipeline and throttle hole
The stretching and compression movement of indoor participation spring；Therefore the air capacity that the air spring with multilayer auxiliary chamber participates in work is not only wrapped
Including the air inside main air chamber further includes the air in multilayer auxiliary chamber；In the case where main air chamber's basic parameter is constant, ginseng
It is smaller with the rigidity of the more big then spring of gas volume of compression；Change the combination of switch valve open and-shut mode, Ke Yigai by controller
Become the cavity number of plies for participating in participating in work in auxiliary chamber, that is, changes the gas flow for participating in work, and then change the rigid of spring
Degree.Therefore controller by throttle hole internal diameter and switch valve open and-shut mode combination Collaborative Control, it can be achieved that the air
The accurate adjusting of spring rate and damping characteristic.
The controller of the air spring can make under normal circumstances throttle hole internal diameter be maintained at specific range it
It is interior, but under specific demand, controller is able to achieve completely closing for throttle hole, and the air spring just switchs to commonly at this time
Passive air spring works；Particularly, when controller fails, the Properties Control effect to air spring is lost completely
It afterwards, is the stability for guaranteeing air spring performance, throttle hole completely closes automatically.
Compared with conventional helical spring and normal air spring, the beneficial effects of the present invention are: 1, by multilayer add gas
The introducing of room, so that the air capacity for participating in spring works in the case where main air chamber's basic parameter is constant is more, not only further
The rigidity at spring balancing position is reduced, also makes the nonlinear curve of air spring overall stiffness more ideal；2, pass through
The setting in throttle hole, so that the spring has air damping characteristic, it can to the accurate adjusting of throttle hole internal diameter
To realize the control of spring damping；It 3, can by the open and-shut mode combination settings of switch valve between each cavity of multilayer auxiliary chamber
Change the air capacity for participating in spring works in auxiliary chamber, and then realizes the adjusting of the rigidity and damping characteristic of spring；4, pass through
Controller can change the mass flowrate of air in gas pipeline to the adjusting of throttle hole internal diameter, by controller to switch
The adjusting of valve open and-shut mode combination can change the air capacity that work is participated in auxiliary chamber, carry out coordination control to these two aspects
System can be such that spring rate and damping characteristic adjusts more accurate；5, control throttle hole, which completely closes, can make the air bullet
Spring switchs to common passive air spring, completely closes, ensure that described automatically when controller failure time flow damping hole is able to achieve
The stability of air spring.
Detailed description of the invention
Fig. 1 is single band multilayer auxiliary chamber air spring constructions schematic diagram in the present invention.
Marginal data:
1, spring bumper cover；2, main air chamber；3, adjustable throttle hole；4, gas pipeline；5, piston；6, multilayer auxiliary chamber；7,
Switch valve；8, controller.
Specific embodiment
Below with reference to the drawings and specific embodiments, invention is further described in detail.
Fig. 1 shows a kind of wheel hub of the present invention and drives the air spring constructions figure for electric vehicle with multilayer auxiliary chamber,
Wherein the multilayer auxiliary chamber number of plies is preferably three layers.The air spring is mainly by a main air chamber 2 and one 6 groups of auxiliary chamber
At wherein main air chamber 2 is membrane flexible rubber pneumatic bag structure, and auxiliary chamber 6 is rigid multi-layer structure；Main air chamber 2 and additional gas
It is connected between room 6 with gas pipeline 4, the adjustable throttle hole 3 in an aperture is set on gas pipeline 4；Controller 8 can be simultaneously
Throttle hole 3 and switch valve 7 are independently controlled.
It is located at the throttle hole 3 on gas pipeline 4 in the present embodiment, in the air spring with high-precision continuous
Regulating power can realize any change of throttle hole internal diameter numerical value in particular range.Throttle hole 3 is to flowing through gas
The restricted effect of body, so that the air spring has air damping characteristic.The internal diameter in throttle hole 3 is adjusted by controller 8
Electric signal control, due to the variation of 2 air pressure inside of main air chamber when spring vibration, gas can pass through gas pipeline 4 and throttle block
Buddhist nun hole 3 carries out gas exchanges between main air chamber 2 and auxiliary chamber 6, can change by adjusting the inner diameter size in throttle hole 3
Unsteady flow crosses the mass flowrate of air.
In the present embodiment, the rigid multi-layer auxiliary chamber 6 of the air spring is made of multi-layer cavity, between different cavitys
It is connected in series by switch valve 7.Switch of the opening and closing of each switch valve by 8 independent control of controller, between two layers of cavity
When valve is in the open state, it is interconnected between two cavitys, cavity volume is considered as an entirety；Shape is opened and closed by different switch valves
The combination of state can obtain different auxiliary chamber volumes.
In the present embodiment, the volume of each layer cavity is different in the rigid multi-layer auxiliary chamber 6 of the air spring, with gas
The first floor cavity that pipeline 4 is connected directly directly participates in the gas exchanges between main air chamber 2, is considered as auxiliary chamber 6 and participates in gas
The initiation layer of exchange, in order to guarantee that auxiliary chamber 6 participates in the primary quantity of working gas, it is each that setting first floor cavity volume is greater than remaining
Layer cavity volume, remaining each layer cavity volume can access first floor cavity by switch valve 7, and then realize entirely additional gas
The change of room volume.To ensure the regulating effect of auxiliary chamber volume, therefore it is equal that remaining each layer void space is arranged, and is less than head
Layer cavity volume.
In the present embodiment, the gas pipeline 4 of the air spring, adjustable throttle hole 3,7 aperture of switch valve are arranged
Size arrangement are as follows: the internal diameter of air pipeline 4 is greater than the internal diameter of switch valve 7, and the internal diameter of switch valve 7 is greater than adjustable throttle hole 3
Maximum inner diameter.The aperture arrangement mode is to make the adjusting of throttle hole internal diameter to gas exchanges process in Monolithic spring
Influence in the highest flight, ensure that the validity of property regulation.
In the present embodiment, controller 8 can carry out the adjusting of two aspects to the excessively described air spring, be respectively as follows: change
The internal diameter in throttle hole 3, and change the open and-shut mode combination of switch valve 7.Firstly, the main air chamber 2 of the air spring is
Load bearing component subjects the power effect that upper end spring bumper cover 1 and lower end piston 5 are applied, to make spring that Compression and Expansion occur
Movement；The stretching of spring causes 2 air pressure inside of main air chamber to change with compression, and the variation of 2 air pressure inside of main air chamber will lead to
Draught head is generated between main air chamber 2 and auxiliary chamber 6, the gas under the driving of draught head in air spring passes through gas pipeline 4
And throttle hole 3 is flowed between main air chamber 2 and auxiliary chamber 6, and when gas passes through tiny throttle hole 3, throttling
Damping hole 3 is to the restricted effect of the gas flowed through, so that spring has apparent air damping characteristic；And in certain pore size
In range, 3 internal diameter of throttle hole is smaller, bigger to gas restriction effect, and spring damping characteristic is more obvious；Pass through controller 8
The air damping control of spring can be realized in the internal diameter that throttle hole 3 can precisely be changed, and since the change in aperture is also right
The compressibility of inner air generates certain influence, therefore can also change spring rate characteristic to a certain extent.Secondly, the air
Though the multilayer auxiliary chamber 6 of spring is not load bearing component, its internal air stored can still pass through gas pipeline 4 and section
Flow damping hole 3 enters in main air chamber the stretching and compression movement for participating in spring；Therefore the air spring ginseng with multilayer auxiliary chamber
Air capacity with work not only includes that the air inside main air chamber 2 further includes air inside multilayer auxiliary chamber 6；In main air chamber
In the case that 2 basic parameters are constant, the rigidity for participating in the more big then spring of gas volume of compression is smaller；Changed by controller 8
Switch valve open and-shut mode combination, thus it is possible to vary participate in the cavity number of plies for participating in work in auxiliary chamber, that is, change participation work
Gas flow, and then change spring rigidity.Therefore controller 8 passes through to throttle hole internal diameter and the combination of switch valve open and-shut mode
Collaborative Control, it can be achieved that the air spring rigidity and damping characteristic accurate adjusting.
In the present embodiment, the controller 8 of the air spring can be such that the internal diameter in throttle hole 3 keeps under normal circumstances
Within particular range, but under specific demand, controller 8 is able to achieve completely closing for throttle hole 3, at this time the air
Spring just switchs to common passive air spring and works；Particularly, it when controller 8 fails, is lost completely to air spring
Properties Control effect after, for guarantee air spring performance stability, throttle hole 3 completely closes automatically.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It is noted that for the art
Those of ordinary skill for, the improvements and modifications in the case where not departing from the principle of the invention, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (7)
1. a kind of wheel hub drives the air spring for electric vehicle with multilayer auxiliary chamber, it is characterised in that: the air spring
It is made of a main air chamber (2) and an auxiliary chamber (6), wherein main air chamber (2) is membrane flexible rubber pneumatic bag structure, is added
Gas chamber (6) is rigid multi-layer structure；It is connected between main air chamber (2) and auxiliary chamber (6) with gas pipeline (4), gas pipeline (4)
The adjustable throttle hole (3) in one aperture of upper setting；Controller (8) can simultaneously to throttle hole (3) and switch valve (7) into
Row independent control.
2. a kind of wheel hub according to claim 1 drives the air spring for electric vehicle with multilayer auxiliary chamber, special
Sign is: the internal diameter for being located at the throttle hole (3) on gas pipeline (4) can be changed as needed.
3. a kind of wheel hub according to claim 1 drives the air spring for electric vehicle with multilayer auxiliary chamber, special
Sign is: rigid multi-layer auxiliary chamber (6) is made of multi-layer cavity, is connected in series between different cavitys by switch valve (7)；Often
The opening and closing of a switch valve (7) can control；Different switch valve (7) open and-shut mode combinations, can obtain different auxiliary chambers (6)
Volume.
4. a kind of wheel hub according to claim 1 or 3 drives the air spring for electric vehicle with multilayer auxiliary chamber,
Be characterized in that: the volume of every layer of cavity of rigid multi-layer auxiliary chamber (6) is different, wherein be connected directly with gas pipeline (4)
First floor cavity volume is maximum, other each layer cavity volumes are equal, but is less than the volume of first floor cavity.
5. a kind of wheel hub according to claim 1 or 2 or 3 drives the air bullet for electric vehicle with multilayer auxiliary chamber
Spring, it is characterised in that: the gas pipeline (4) of the air spring, adjustable throttle hole (3), switch valve (7) aperture are arranged
Size arrangement are as follows: the internal diameter of air pipeline (4) is greater than the internal diameter of switch valve (7), and the internal diameter of switch valve (7) is greater than adjustable throttle block
The maximum inner diameter in Buddhist nun hole (3).
6. a kind of wheel hub according to claim 1 or 2 or 3 drives the air bullet for electric vehicle with multilayer auxiliary chamber
Spring, it is characterised in that: controller (8) is by adjusting the aperture of throttle hole (3) and the open and-shut mode group of switch valve (7)
It closes, realizes the change of air spring rigidity and damping.
7. a kind of wheel hub according to claim 1 or 2 drives the air spring for electric vehicle with multilayer auxiliary chamber,
Be characterized in that: under the control of controller (8), throttle hole (3) can be completely closed；When controller (8) fails, throttle
Hole (3) completely closes automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491523.5A CN109356955B (en) | 2018-12-07 | 2018-12-07 | Air spring with multilayer additional air chambers for hub-driven electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491523.5A CN109356955B (en) | 2018-12-07 | 2018-12-07 | Air spring with multilayer additional air chambers for hub-driven electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356955A true CN109356955A (en) | 2019-02-19 |
| CN109356955B CN109356955B (en) | 2021-09-10 |
Family
ID=65331623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811491523.5A Active CN109356955B (en) | 2018-12-07 | 2018-12-07 | Air spring with multilayer additional air chambers for hub-driven electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356955B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565923A (en) * | 2021-07-26 | 2021-10-29 | 长沙理工大学 | Broadband vibration absorber and control method thereof |
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| CN201891785U (en) * | 2010-11-19 | 2011-07-06 | 江苏大学 | Multi-cavity additional air chamber with variable volume of air spring |
| CN202612461U (en) * | 2012-04-23 | 2012-12-19 | 江苏大学 | Air spring with additional air chamber |
| JP2013068265A (en) * | 2011-09-22 | 2013-04-18 | Ihi Infrastructure Systems Co Ltd | Seismic isolator |
| JP2014211202A (en) * | 2013-04-19 | 2014-11-13 | 株式会社エーエス | Apparatus for base isolation mechanism |
| CN205350182U (en) * | 2015-10-21 | 2016-06-29 | 中国电子工程设计院 | Variable appended gas chamber air spring structure |
| RU166886U1 (en) * | 2016-02-16 | 2016-12-10 | федеральное государственное унитарное предприятие "Федеральный научно-производственный центр "Прогресс" (ФГУП "ФНПЦ "Прогресс") | PNEUMATIC VIBRATION ISOLATING SUPPORT |
| CN108266486A (en) * | 2017-12-18 | 2018-07-10 | 宁波中倚机电科技发展有限公司 | Volume has the adjustable air spring additional air chamber of grade |
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2018
- 2018-12-07 CN CN201811491523.5A patent/CN109356955B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891785U (en) * | 2010-11-19 | 2011-07-06 | 江苏大学 | Multi-cavity additional air chamber with variable volume of air spring |
| JP2013068265A (en) * | 2011-09-22 | 2013-04-18 | Ihi Infrastructure Systems Co Ltd | Seismic isolator |
| CN202612461U (en) * | 2012-04-23 | 2012-12-19 | 江苏大学 | Air spring with additional air chamber |
| JP2014211202A (en) * | 2013-04-19 | 2014-11-13 | 株式会社エーエス | Apparatus for base isolation mechanism |
| CN205350182U (en) * | 2015-10-21 | 2016-06-29 | 中国电子工程设计院 | Variable appended gas chamber air spring structure |
| RU166886U1 (en) * | 2016-02-16 | 2016-12-10 | федеральное государственное унитарное предприятие "Федеральный научно-производственный центр "Прогресс" (ФГУП "ФНПЦ "Прогресс") | PNEUMATIC VIBRATION ISOLATING SUPPORT |
| CN108266486A (en) * | 2017-12-18 | 2018-07-10 | 宁波中倚机电科技发展有限公司 | Volume has the adjustable air spring additional air chamber of grade |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113565923A (en) * | 2021-07-26 | 2021-10-29 | 长沙理工大学 | Broadband vibration absorber and control method thereof |
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|---|---|
| CN109356955B (en) | 2021-09-10 |
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