CN110219929A - A kind of variable damping damper of variable volume - Google Patents

A kind of variable damping damper of variable volume Download PDF

Info

Publication number
CN110219929A
CN110219929A CN201910638632.3A CN201910638632A CN110219929A CN 110219929 A CN110219929 A CN 110219929A CN 201910638632 A CN201910638632 A CN 201910638632A CN 110219929 A CN110219929 A CN 110219929A
Authority
CN
China
Prior art keywords
spring
injection valve
compressed gas
wall
valve
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.)
Pending
Application number
CN201910638632.3A
Other languages
Chinese (zh)
Inventor
何水龙
汤涛
叶明松
刘夫云
郑伟光
伍建伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin University of Electronic Technology
Original Assignee
Guilin University of Electronic Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guilin University of Electronic Technology filed Critical Guilin University of Electronic Technology
Priority to CN201910638632.3A priority Critical patent/CN110219929A/en
Publication of CN110219929A publication Critical patent/CN110219929A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/26Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
    • F16F13/266Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding a passage between working and equilibration chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2222/00Special physical effects, e.g. nature of damping effects
    • F16F2222/12Fluid damping
    • F16F2222/126Fluid damping using gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00Materials; Material properties
    • F16F2224/02Materials; Material properties solids
    • F16F2224/0208Alloys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00Materials; Material properties
    • F16F2224/02Materials; Material properties solids
    • F16F2224/025Elastomers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00Materials; Material properties
    • F16F2224/04Fluids
    • F16F2224/046Fluids pneumatic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00Purpose; Design features
    • F16F2230/0005Attachment, e.g. to facilitate mounting onto confer adjustability
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00Purpose; Design features
    • F16F2230/06Fluid filling or discharging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00Purpose; Design features
    • F16F2230/08Sensor arrangement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2238/00Type of springs or dampers
    • F16F2238/02Springs
    • F16F2238/026Springs wound- or coil-like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention discloses a kind of variable damping dampers of variable volume, including upper support seat and lower support base, the upper surface of upper support seat is equipped with pressure sensor patch, support column is equipped between upper support seat and lower support base, support column is segmental structure, spring-damping element is equipped between every two adjacent segmentation support column, the periphery of each spring-damping element is equipped with compressed gas cabin, compressed gas cabin is equipped with the air outlet valve and intake valve being connected to the snorkel inside spring-damping element, the outer wall in compressed gas cabin is rubber layer, rubber layer band outer wall, outer wall is equipped with the first intake valve, second intake valve, first with being electrically integrated beam port and second with being electrically integrated beam port, outer wall and upper support seat junction are equipped with upper support seat seal washer, outer wall and lower support base junction are equipped with lower support base seal washer.This variable damping damper can bear different load, realize that damping is adjustable, at low cost, reliability and sensitivity are preferable.

Description

A kind of variable damping damper of variable volume
Technical field
The present invention relates to mechanical antivibration area, the variable damping damper of specially a kind of variable volume.
Background technique
In recent years, damper is gradually sent out in the machinery fields such as the manufacture of automobile, ship, navigation and precision instrument and observing and controlling Wave irreplaceable role.Constantly bringing forth new ideas and extend with technical matters, the damper of different types is by opening gradually It issues, common damper includes: spring damper, hydraulic vibration absorber and inflatable vibration damper etc., wherein due to bullet The manufacturing cost of spring damper is cheap, and fabrication cycle is short and seating means are simple, therefore is widely used in various test products and opens In hair and testing field.However, conventional springs damper due to manufacturing process limitation meeting so that spring damping value be limited, and Sudden and excess load load excitation meeting is so that spring generates irreversible deformation, so that the maintenance cost that enterprise institution is additional It greatly increases, does not meet the design requirement of sustainability.Although having expert and technical research personnel to spring manufacturing process at present It proposes including processing methods such as case-carbonizings, overstriking, and addition yttrium, greatly strengthens the rigidity of spring Value, but it is still not ideal enough in the promotion effect of damping vibration attenuation characteristic level.
Therefore, it to overcome this defect, on the basis of original spiral metal spring, provides a kind of close using assisting The variable volume variable damping damper for chamber design philosophy of holding one's breath, can be according to the excitation of paroxysmal load, in conjunction with electronic control unit Autonomous intelligenceization completes the control to compressed gas, and it is limited in damping value to make up original spring for service hoisting resistance of shock absorber value Defect, in addition, for further promoted rigidity value, multiple springs of being connected using support column damping unit, realize structure it is integrally rigid The dual promotion of degree and damping value, avoids the weakness and excessive deformation that prototype structure is likely to occur and causes spring distortion The problem of.
Summary of the invention
The purpose of the present invention in view of the deficiencies of the prior art, and provides a kind of variable damping damper of variable volume.It is this Variable damping damper can bear different load, realize that damping is adjustable, at low cost, reliability and sensitivity are preferable.
Realizing the technical solution of the object of the invention is:
A kind of variable damping damper of variable volume, unlike the prior art, including upper support seat and lower support base, upper branch The upper surface for supportting seat is equipped with pressure sensor patch, and support column is equipped between upper support seat and lower support base, and support column is segmentation Structure, is equipped with spring-damping element between every two adjacent segmentation support column, and all segmentation support columns are by one group of spring damping Unit is connected in series, and the periphery of each spring-damping element is equipped with compressed gas cabin, and compressed gas cabin is equipped with and spring damping list The air outlet valve and intake valve of snorkel connection inside member, the outer wall in compressed gas cabin are rubber layer, and rubber layer is equipped with the first note Enter valve, the second injection valve, third injection valve, the 4th injection valve, the 5th injection valve and the 6th injection valve, rubber layer is with outer wall, outside Wall is equipped with the first intake valve, the second intake valve, first with being electrically integrated beam port and second with being electrically integrated beam port, outer wall with it is upper Support base junction is equipped with upper support seat seal washer, and outer wall and lower support base junction are equipped with lower support base seal washer.
First injection valve, the second injection valve, third injection valve, the 4th injection valve, the 5th injection valve and the 6th injection The structure of valve is consistent, including cavity, and cavity is equipped with intake valve and energization end, and inside cavity is gas, and inside cavity is equipped with electricity Magnetic coil is connect with energization end, and the bottom of cavity is additionally provided with gas delivery port, is equipped with iron core, each injection valve at gas delivery port Pass through the external pressure sensor of the electronic control unit of automobile.
The spring-damping element is cavity, and chamber outer wall is equipped with sliding sheet rubber, and spring is equipped in cavity and is wrapped The rubber bodies of spring, there is gap between spring and rubber bodies, gap is connected to by passing through the snorkel of cavity with compressed gas cabin.
Compressed gas cabin internal gas passes in and out spring damping list by compressed gas cabin air outlet valve and compressed gas cabin intake valve First internal ventilation pipe, compressed gas cabin adjust injection valve by adjusting injection valve regulation injection and absorbing compressed gas cabin memory storing gas Gas is inculcated by inlet end, the inlet channel inside injection valve is inserted into compressed gas cabin.
The spring-damping element has sliding friction film, slides up and down vertical, guarantees that spring-damping element can be with Stress intensity variation carry out inside Free Compression.
The spring-damping element is connected in series by support column, and proof load stress can uniformly be distributed to each In spring-damping element.
The compressed gas cabin is circumferentially in spring unit surrounding, by compressed gas cabin air outlet valve and compressed gas cabin intake valve To adjust the storage capacity and the gas degree of compression of compressed gas cabin internal gas.
By the spring-damping element internal ventilation pipe that is matched with metal coil spring to spring inside the compressed gas cabin Rubber clearance inflation.
The compression adjustment injection valve and internal electromagnetic coil can carry out concentrating ventilation and energization respectively, by electronic control unit Streaming current size in electromagnetic coil is determined, to maintain electromagnetic coil to generate suitable electromagnetic force.
The compressed gas cabin adjusts injection valve and enters compressed gas cabin across rubber layer, to keep good air-tightness.
The technical program utilizes gas-filled shock absorber nonlinear dampling characteristic and conventional metals bullet from damper internal combination The high-intensitive stiffness characteristics of spring enhance whole damping and rigidity value using combination, furthermore using the spring resistance of segmentation Buddhist nun's unit is conducive to reduce the huge deflection of spring, avoids stress intensity excessive and influences the defect of the service life of spring.
The technical program, which combines, uses circumferentially distributed compressed gas cabin, by the pressure sensor at the top of damper to automatically controlled Unit transmits pressure signal, electronic control unit and then the size of current that electromagnetic coil is controlled by upper total integrated beam port, to lower end Gas delivery port carries out feedback regulation, realizes the intelligentized control method of the degree of compression to spring-compressed space.
The technical program beneficial effect is: high-intensitive advantage of the technical program based on conventional helical spring, for biography The defects such as the deflection of system spring is big, and intelligence is low with sensitivity, use multi-stage gasbag compression space and helical spring compresses Combined method, enable damper that can keep entire bullet according to the degree of compression of the autonomous control air bag of the size of load Property and damping are maintained at optimal state, and manufacturing cost and maintenance cost are cheap, and reliability and sensitivity are preferable.
This variable damping damper can bear different load, realize and damp adjustable, at low cost, reliability and sensitivity Preferably.
Detailed description of the invention
Fig. 1 is the variable damping damper structure sectional view of variable volume of the present invention;
Fig. 2 is local spring-damping element diagrammatic cross-section;
Fig. 3 is that compressed gas cabin adjusts injection valve cross-sectional view of the structure;
In figure: 1. upper support seats 2. first are with being electrically integrated 3. first injection valve of beam port, 4. outer wall, 5. second injection valve 6. Third injection valve 7. second is with being electrically integrated the 4th injection valve of 9. second intake valve 10. of support base seal washer under beam port 8. 11. 15. pressure sensor of the 6th 13. first intake valve of injection valve, 14. upper support seat seal washer of the 5th injection valve 12. pastes 21. gas delivery port of piece 16. intake valve, 17. cavity, 18. gas, 19. electromagnetic coil, 20. iron core, 22. energization end 23. Slide 26. air outlet valve of sheet rubber, 27. intake valve, 28. support column, 29. spring damping list in 24. compressed gas cabin 25. of snorkel Lower 33. spring of support base of first 30. rubber layer, 31. rubber bodies 32..
Specific embodiment
Further explaination is made to the contents of the present invention with reference to the accompanying drawings and examples, but is not to limit of the invention It is fixed.
Embodiment:
Referring to Fig.1, the variable damping damper of a kind of variable volume, including upper support seat 1 and lower support base 32, upper support seat 1 Upper surface is equipped with pressure sensor patch 15, and support column 28 is equipped between upper support seat 1 and lower support base 32, and support column 28 is point Segment structure is equipped with spring-damping element 29 between every two adjacent segmentation support column 28, and all segmentation support columns 28 are by one group Spring-damping element 29 is connected in series, and the periphery of each spring-damping element 29 is equipped with compressed gas cabin 24, compressed gas cabin 24 Equipped with the air outlet valve 26 and intake valve 27 being connected to the snorkel 23 inside spring-damping element 29, the outer wall in compressed gas cabin 24 is Rubber layer 30, rubber layer 30 are equipped with the first injection valve 3, the second injection valve 5, third injection valve 6, the 4th injection valve the 10, the 5th Injection valve 11 and the 6th injection valve 12, for rubber layer 30 with outer wall 4, outer wall 4 is equipped with the first intake valve 13, the second intake valve 9, the One with beam port 2 and second is electrically integrated with beam port 7 is electrically integrated, and outer wall 4 is sealed with 1 junction of upper support seat equipped with upper support seat Washer 14, outer wall 4 and lower 32 junction of support base are equipped with lower support base seal washer 8.
First injection valve 3, the second injection valve 5, third injection valve 6, the 4th injection valve 10, the 5th injection valve 11 and The structure of six injection valves 12 is consistent, including cavity 17, and cavity 17 is equipped with intake valve 16 and energization end 22, is gas inside cavity 17 Body 18 is equipped with electromagnetic coil 19 inside cavity 17 and connect with energization end 22, and the bottom of cavity 17 is additionally provided with gas delivery port 21, Iron core 20 is equipped at gas delivery port 21, each injection valve passes through the external pressure sensor of electronic control unit of automobile.
The spring-damping element 29 is cavity, and chamber outer wall is equipped with sliding sheet rubber 25, is equipped with 33 He of spring in cavity The rubber bodies 31 for wrapping spring 33, there is gap between spring 33 and rubber bodies 31, gap passes through the snorkel 23 across cavity It is connected to compressed gas cabin 24.
24 internal gas of compressed gas cabin passes in and out spring by compressed gas cabin air outlet valve 26 and compressed gas cabin intake valve 27 Damping unit internal ventilation pipe 23, compressed gas cabin adjust injection compressed gas cabin memory gas storage by the intake valve 16 that cavity 17 is equipped with The pressure of body, inculcates gas by intake valve 16 on cavity 17, and gas is inserted into compressed gas cabin 24 by internal snorkel 23 It is interior.
The spring-damping element 29 has sliding sheet rubber 25, slides up and down vertical, guarantees spring-damping element Inside Free Compression can be carried out as stress intensity changes.
The spring-damping element 29 carries out spaced series connection by support column 28, and proof load stress can uniformly divide It is scattered in each spring-damping element.
The compressed gas cabin 24 is circumferentially in spring unit two sides, by the air outlet valve 26 and intake valve in compressed gas cabin 24 27 adjust the storage capacity and the gas degree of compression of 24 internal gas of compressed gas cabin.
29 internal ventilation pipe of spring-damping element inside the compressed gas cabin 24 by being matched with metal coil spring 33 23 pairs of spring-rubber gap inflations.
Intake valve 16 and energization end 22 on the cavity 17 are respectively by the second intake valve 9, the first intake valve 13 and first It carries out concentrating ventilation and energization with the concentration of beam port 7 is electrically integrated with beam port 2, second is electrically integrated, electromagnetism is determined by electronic control unit Streaming current size in coil, so that iron core 20 be attracted to move up, is closed with maintaining electromagnetic coil 19 to generate suitable electromagnetic force Suitable vent openings.
The compressed gas cabin 24 passes through rubber layer 30 by cavity 17 and enters compressed gas cabin, to keep good air-tightness.
This example utilizes the height of gas-filled shock absorber nonlinear dampling characteristic and conventional metals spring from damper internal combination Intensity and toughness characteristic enhances whole damping and rigidity value using combination, furthermore using the spring-damping element of segmentation The huge deflection for being conducive to reduce spring, avoids stress intensity excessive and influences the defect of the service life of spring.
This example, which combines, uses circumferentially distributed compressed gas cabin, is passed by the pressure sensor at the top of damper to electronic control unit Pressure signal, electronic control unit and then the size of current that electromagnetic coil is controlled by upper total integrated beam port are passed, it is defeated to lower end gas Outlet carries out feedback regulation, realizes the intelligentized control method of the degree of compression to spring-compressed space.
Referring to Fig. 1, when load is by upper support seat 1, the pressure sensor piece 15 on 1 surface of upper support seat loads perception The size of pressure and by pressure signal feedback to electronic control unit, first with being electrically integrated beam port 2 and the second intake valve 9 is used for pair Compressed gas cabin first adjusts injection valve 3, the second injection valve of compressed gas cabin 5, compressed gas cabin third injection valve 6, compression in damper In the electromagnetic coil 19 of the 4th injection valve 10 of gas cabin, the 5th injection valve 11 of compressed gas cabin and the installation of the 6th injection valve 12 of compressed gas cabin Portion's electric current is controlled, the first intake valve 13 and the second intake valve 9 be used for the injection valve 3 in compressed gas cabin 24 in damper, The second injection valve of compressed gas cabin 5, compressed gas cabin third injection valve 6, the 4th injection valve 10 of compressed gas cabin, compressed gas cabin 24 the 5th Number injection valve 11 and 12 gas of the 6th injection valve in compressed gas cabin are controlled and are inputted.
First of compressed gas cabin inside the damper adjusts injection valve 3, second injection valve 5 in compressed gas cabin, compression Gas cabin third injection valve 6, the 4th injection valve 10 of compressed gas cabin, the 5th injection valve 11 of compressed gas cabin and the 6th injection valve of compressed gas cabin Should have good air-tightness between 12 and rubber layer 30, and the rigidity value of rubber layer 30 should be arranged than internal spring cooperation The problem of rubber bodies 31 are big, and guarantee is not in deformation gas leakage generation, the rigidity that the rubber bodies 31 of internal spring cooperation have Value should need the rigidity value for making to have certain under the premise of not influencing camber of spring, which can test by air-leakage test It determines.
The lower support base seal washer 8 and upper support seat seal washer 14 of the damper can be before guaranteeing air-tightness It puts, prevents from influencing the running of internal structure and the physical life of damper entirety because of the entrance of extraneous sandstone and dust.
Referring to fig. 2, the cavity 17 of the damper is equipped with intake valve 16 and energization end 22, to guarantee 24 He of compressed gas cabin Has sufficient gas pressure output in the snorkel 23 of rubber bodies 31.Touching for load is perceived in pressure sensor piece 15 Afterwards, can it is continual by real-time pressure signal transmission to electronic control unit, electronic control unit passes through scheduled signal analysis program The grade of sensed pressure will be obtained after processing, and the energization end 22 on damper cavity 17 is indirectly controlled on electromagnetic coil 19 Electric current, electromagnetic coil attract upwards since galvanomagnetic-effect generates suction, by iron core 20, the inlet channel 18 inside injection valve it is defeated Body supply gas also because of the variation of air inlet iron core and pipeline gap, indirectly controls the gas conveying capacity of lower end gas delivery port 21, It ensure that gas flow and the degree of compression in compressed gas cabin can be in suitable numberical range.
Referring to Fig. 3, under the action of load, upper support seat 1 and lower support base 32 can two-way inside extruding spring, spring by Internally contact squeeze deformation can be carried out between 31 meeting of rubber bodies and spring 33 in the process by deformable squeeze in pressure effect, Metamorphosis closes the snorkel 23 inside spring-damping element, forms the air seal compression chamber of Internal Small-scale and matches Close the combination of dampings vibration insulating system that spring forms gas damping and spring damping damping.
Between each spring-damping element 29 of damper by support column 28 be supported reinforcing connection, it is ensured that by It when to biggish bearing load power, can have stronger stiffness characteristics between spring-damping element, guarantee mutual movement not Interference and dislocation can be generated, the danger of fracture and transversely deforming that conventional springs occur when by biggish loading force is overcome Danger.
Sliding sheet rubber 25 is equipped between the spring-damping element 29 and side wall of the damper, which can guarantee During spring is inwardly compressed, guarantees that spring-damping element 29 is whole and be capable of the deformation of spring and change is inwardly compressed Change, should have good sliding property and flexibility between sliding friction film 25 and inner wall, rigidity value should be smaller.
Cavity 17 inside the damper can inject gas to compressed gas cabin 24, and compressed gas cabin 24 is as gas buffer Intermediate primarily serves gas savings and release action, when needed, can be at any time by intake valve 27 and air outlet valve 26 to spring Gas flow in compound rubber sealant is adjusted, and the size of intake valve 27 and air outlet valve 26 is too small in setting Shi Buying, with It avoids generating howling when gas passes through.

Claims (3)

1. a kind of variable damping damper of variable volume, characterized in that including upper support seat and lower support base, upper support seat it is upper Surface is equipped with pressure sensor patch, and support column is equipped between upper support seat and lower support base, and support column is segmental structure, and every two Spring-damping element is equipped between a adjacent segmentation support column, all segmentation support columns connect one group of spring-damping element series connection It picks up and, the periphery of each spring-damping element is equipped with compressed gas cabin, and compressed gas cabin is equipped with and leading to inside spring-damping element The air outlet valve and intake valve of tracheae connection, the outer wall in compressed gas cabin are rubber layer, and rubber layer is equipped with the first injection valve, the second note Enter valve, third injection valve, the 4th injection valve, the 5th injection valve and the 6th injection valve, rubber layer band outer wall, outer wall is equipped with first Intake valve, the second intake valve, first are with being electrically integrated beam port and second with being electrically integrated beam port, outer wall and upper support seat junction Equipped with upper support seat seal washer, outer wall and lower support base junction are equipped with lower support base seal washer.
2. the variable damping damper of variable volume according to claim 1, characterized in that first injection valve, second Injection valve, third injection valve, the 4th injection valve, the structure of the 5th injection valve and the 6th injection valve are consistent, including cavity, on cavity Equipped with intake valve and energization end, inside cavity is gas, and inside cavity is equipped with electromagnetic coil and connect with energization end, the bottom of cavity It is additionally provided with gas delivery port, iron core is equipped at gas delivery port, each injection valve is passed by the external pressure of electronic control unit of automobile Sensor.
3. the variable damping damper of variable volume according to claim 1, characterized in that the spring-damping element is chamber Body, chamber outer wall are equipped with sliding sheet rubber, are equipped with spring in cavity and wrap the rubber bodies of spring, between spring and rubber bodies There is gap, gap is connected to by passing through the snorkel of cavity with compressed gas cabin.
CN201910638632.3A 2019-07-16 2019-07-16 A kind of variable damping damper of variable volume Pending CN110219929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910638632.3A CN110219929A (en) 2019-07-16 2019-07-16 A kind of variable damping damper of variable volume

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910638632.3A CN110219929A (en) 2019-07-16 2019-07-16 A kind of variable damping damper of variable volume

Publications (1)

Publication Number Publication Date
CN110219929A true CN110219929A (en) 2019-09-10

Family

ID=67812464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910638632.3A Pending CN110219929A (en) 2019-07-16 2019-07-16 A kind of variable damping damper of variable volume

Country Status (1)

Country Link
CN (1) CN110219929A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765600A (en) * 1985-11-13 1988-08-23 Metzeler Kautschuk Gmbh Pneumatic spring element
DE20219921U1 (en) * 2002-12-23 2004-04-29 Baumgartner, Gerold Spring-damping system for vehicle has spring unit in parallel with spring-damper unit with support, movable pressure mounting plate, at least one coil spring, guide arrangement, clamping arrangement
CN102207164A (en) * 2011-05-27 2011-10-05 山东理工大学 Electromagnetic damping shock absorber
WO2012054537A1 (en) * 2010-10-18 2012-04-26 Firestone Industrial Products Company, Llc Gas spring and gas damper assembly and method
CN104747650A (en) * 2015-01-21 2015-07-01 杨富云 Shock absorbing method and shock absorber thereof
CN105020327A (en) * 2015-06-30 2015-11-04 重庆长安汽车股份有限公司 Air spring type semi-active engine mount
CN108662069A (en) * 2018-07-29 2018-10-16 陈刚 A kind of support damping device
CN109372925A (en) * 2018-12-19 2019-02-22 中国航发控制系统研究所 A kind of high temperature resistance and long service life metal rubber shock absorber bearing three directional loads
CN210565985U (en) * 2019-07-16 2020-05-19 桂林电子科技大学 Variable-volume variable-damping shock absorber

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765600A (en) * 1985-11-13 1988-08-23 Metzeler Kautschuk Gmbh Pneumatic spring element
DE20219921U1 (en) * 2002-12-23 2004-04-29 Baumgartner, Gerold Spring-damping system for vehicle has spring unit in parallel with spring-damper unit with support, movable pressure mounting plate, at least one coil spring, guide arrangement, clamping arrangement
WO2012054537A1 (en) * 2010-10-18 2012-04-26 Firestone Industrial Products Company, Llc Gas spring and gas damper assembly and method
CN102207164A (en) * 2011-05-27 2011-10-05 山东理工大学 Electromagnetic damping shock absorber
CN104747650A (en) * 2015-01-21 2015-07-01 杨富云 Shock absorbing method and shock absorber thereof
CN105020327A (en) * 2015-06-30 2015-11-04 重庆长安汽车股份有限公司 Air spring type semi-active engine mount
CN108662069A (en) * 2018-07-29 2018-10-16 陈刚 A kind of support damping device
CN109372925A (en) * 2018-12-19 2019-02-22 中国航发控制系统研究所 A kind of high temperature resistance and long service life metal rubber shock absorber bearing three directional loads
CN210565985U (en) * 2019-07-16 2020-05-19 桂林电子科技大学 Variable-volume variable-damping shock absorber

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
SUN S, ET AL.: ""A compact variable stiffness and damping shock absorber for vehicle suspension"", 《IEEE/ASME TRANSACTIONS ON MECHATRONICS》, vol. 20, no. 5, pages 2621 - 2629, XP011668059, DOI: 10.1109/TMECH.2015.2406319 *
何水龙: ""磁悬浮低频减振器"", 《桂林电子科技大学会议成果》, pages 1 - 2 *
由旭华, 于士军: ""汽车可调阻尼减振器设计研究"", 《河北农机》, no. 09, pages 48 - 49 *

Similar Documents

Publication Publication Date Title
CN106662187B (en) Bracket and carriage assembly and end component assembly, and gas spring and damper assembly including these components
FI112190B (en) Semi-active shock absorber
CN208331091U (en) A kind of hydro-pneumatic spring of passive suspension system
CN106662186B (en) Gas spring and gas damper assembly and the suspension system including it
US8322497B2 (en) Magneto-rheological dampers for semi-active suspension systems
CN101900146B (en) Cylinder apparatus
NZ606896A (en) Air spring for a heavy-duty vehicle with damping features
WO2008136851A2 (en) Magneto-rheological dampers for semi-active suspension systems
US8807576B2 (en) Gas spring piston assembly as well as gas spring assembly and suspension system including same
CN105065544B (en) A kind of band shares dual air spring, its control method and the application of auxiliary chamber
CN108662069B (en) Support vibration damper
CN110017349A (en) A kind of automobile-used rigidity controllable magnetic rheology damper and rigidity regulate and control method
US20180370316A1 (en) Air spring connecting device seal
CN105090315B (en) Real-time adjusting device for pressure of air spring and auxiliary air chamber
CN110219929A (en) A kind of variable damping damper of variable volume
CN108468803A (en) A kind of cuboid-type normal pressure pressure vessel
CN210565985U (en) Variable-volume variable-damping shock absorber
CN106573516B (en) Hold component assembly and gas spring assembly and the suspension system including this end component assembly and gas spring assembly
CN206571889U (en) A kind of high speed motor car is with external adjustable resistance of shock absorber system
CN108423020A (en) A kind of high-speed EMUs elastic sealing car body and car body stiffness reliability method
CN108953453B (en) Pipeline-variable air spring with additional air chamber
CN103115154B (en) Hydraulic drive pressure reducing valve for wind tunnel
JPS57205208A (en) Shock absorber
CN207131790U (en) Binary channels shock absorber and automobile
CN207297989U (en) Biogas air inlet valve of screw compressor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination