CN105020328B - Magnetorheological vibration isolating suspension based on mixed mode - Google Patents
Magnetorheological vibration isolating suspension based on mixed mode Download PDFInfo
- Publication number
- CN105020328B CN105020328B CN201510443157.6A CN201510443157A CN105020328B CN 105020328 B CN105020328 B CN 105020328B CN 201510443157 A CN201510443157 A CN 201510443157A CN 105020328 B CN105020328 B CN 105020328B
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- CN
- China
- Prior art keywords
- support bar
- pedestal
- magnetorheological
- vibration
- outer sleeve
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units 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
- F16F13/26—Units 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
- F16F13/30—Units 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 varying fluid viscosity, e.g. of magnetic or electrorheological fluids
- F16F13/305—Units 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 varying fluid viscosity, e.g. of magnetic or electrorheological fluids magnetorheological
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
Abstract
The present invention relates to a kind of magnetorheological vibration isolating suspension based on mixed mode, including the pedestal for the support bar being connected with by vibration insolation means and for being connected with vibration source, and for producing the magnet exciting coil in magnetic field, magnetorheological clay is provided between the support bar and pedestal, the magnetorheological clay is packaged in elastic cuff, the upper and lower ends of the elastic cuff respectively with support bar, pedestal is fixedly connected, outer sleeve is fixed with the pedestal, the support bar is located in the inner chamber of outer sleeve, the upper end of support bar overhangs outer sleeve, magnetic rheology elastic body is fixed between the support bar and outer sleeve.The magnetorheological vibration isolating suspension can be disturbed according to extraneous vibration, and vibrational excitation is effectively followed the trail of and responded to the magnetic field intensity of real-time regulation vibration isolating suspension, and vibration interference is effectively isolated in wide frequency range.
Description
Technical field
The invention belongs to vibration isolation technique field, it is related to a kind of magnetorheological vibration isolating suspension based on mixed mode.
Background technology
Vibration is ubiquitous in production and living, and usual mechanical oscillation are for engineering structure, plant equipment, instrument and meter
It is harmful.For instrument and equipment：One side mechanical oscillation can loosen the fastener in tester, destroy its normal
Work；On the other hand vibrating easily makes instrument produce shake, causes measurement error larger；Other electronic component is for a long time in machine
Being worked under tool vibration environment easily makes it produce mechanical fatigue, or even causes damage.Accordingly, it would be desirable to take certain measure to reduce have
The influence of evil vibration.By reducing by vibration insolation means to vibration source in vibration source and by isolation mounting is connected between vibration insolation means
Response, is the practices well for reducing hazard of vibration at present.
It is usually used in the vibration isolating suspension mainly metal isolator and rubber shock absorber of mini-plant vibration isolation.These vibration isolators exist
Noenergy input, is a kind of passive vibration isolation device during work, and low production cost.But the passive vibration isolation device of certain fixing model is generally only
Can be in the frequency range of feature using just with good effectiveness in vibration suppression.When extraneous exciting mode changes, Jiu Hui great
The anti-vibration performance of the vibration isolator is reduced greatly, or even system is produced " resonance " phenomenon.Therefore some required precisions instrument higher is needed
Want a kind of new isolation mounting that can change with extraneous vibration.
The content of the invention
The purpose of the present invention is directed to the deficiency of prior art presence, there is provided a kind of magnetorheological vibration isolation based on mixed mode
Bearing, the magnetorheological vibration isolating suspension can be disturbed according to extraneous vibration, the magnetic field intensity of real-time regulation vibration isolating suspension, effectively be followed the trail of
And vibrational excitation is responded, vibration interference is effectively isolated in wide frequency range.
The purpose of the present invention is realized using following proposal：A kind of magnetorheological vibration isolating suspension based on mixed mode, bag
The support bar for being connected with by vibration insolation means and the pedestal for being connected with vibration source are included, and for producing the excitation wire in magnetic field
Circle, is provided with magnetorheological clay between the support bar and pedestal, the magnetorheological clay is packaged in elastic cuff, the bullet
Property cuff upper and lower ends be fixedly connected with support bar, pedestal respectively, be fixed with outer sleeve on the pedestal, the support bar position
In the inner chamber of outer sleeve, the upper end of support bar overhangs outer sleeve, is fixed between the support bar and outer sleeve magnetorheological
Elastomer, the pedestal is provided with projection, and the elastic cuff is fixed in the projection of pedestal, and the support bar is fixed on elasticity
In cuff, the magnet exciting coil be wound in pedestal projection on, magnet exciting coil be powered after, pedestal, outer sleeve, magnet exciting coil,
Elastic cuff, magnetic rheology elastic body, support bar, magnetorheological clay constitute the double field circuits of closure.
The elastic cuff is that one kind is up and down plane, and surrounding is the closed structure of arc.
The elastic cuff is made of elastomeric material.
The pedestal, outer sleeve, support bar are all made using high permeability material.
The both sides of the support bar bond magnetic rheology elastic body, other side and the outer sleeve phase of magnetic rheology elastic body respectively
Even.
The overcoat nozzle end gradually extends to inner side closes up, and overcoat nozzle end end face is gradually drawn close to support bar.Institute
State and fix magnetic rheology elastic body between overcoat nozzle end end face and support bar.
The support bar top is provided with the internal thread hole for being connected with by vibration insolation means, and the outer rim of the pedestal is provided with use
In the fixing hole being connected with vibration source.
Present invention has the advantage that：Magnetorheological vibration isolating suspension of the invention magnet exciting coil energization after, pedestal, overcoat
Cylinder, magnet exciting coil, elastic cuff, magnetic rheology elastic body, support bar, magnetorheological clay constitute the double field circuits of closure, in real time
The mechanical property of magnetic rheology elastic body and magnetorheological clay is adjusted, the excitation of significant response extraneous vibration is realized disturbing micro-vibration
Isolation with suppress.The present invention can be disturbed according to extraneous vibration, the magnetic field intensity of real-time regulation vibration isolating suspension, effectively be followed the trail of simultaneously
Response vibrational excitation, is effectively isolated in wide frequency range to vibration interference.
And vibration isolating suspension of the invention make use of the shearing work pattern and magnetorheological clay of magnetic rheology elastic body simultaneously
Extruding mode of operation, due to effective supporting role of magnetorheological clay, can avoid magnetic rheology elastic body magnetic control mechanical property with
The fluctuation of strain.
Damper structure of the invention is compact, can be applied to the occasion of wideband vibration a little.
Brief description of the drawings
Fig. 1 is the structural representation of the magnetorheological vibration isolating suspension based on mixed mode of the invention；
Fig. 2 is closed magnetic loop schematic diagram of the invention.
In figure, 1 is pedestal, and 11 is projection, and 12 is fixing hole, and 2 is outer sleeve, and 3 is magnet exciting coil, and 4 is elastic cuff, 5
It is magnetic rheology elastic body, 6 is support bar, and 61 is internal thread hole, and 7 is magnetorheological clay.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, detailed implementation method and specific is given
Operating process, below in conjunction with accompanying drawing, the present invention is described in further detail：
Referring to Fig. 1 to Fig. 2, a kind of magnetorheological vibration isolating suspension based on mixed mode, including for connecting with by vibration insolation means
The support bar 6 for connecing and the pedestal 1 for being connected with vibration source, and for producing the magnet exciting coil 3 in magnetic field.Mixed mode is to utilize
The shearing work pattern and the extruding mode of operation of magnetorheological clay of the magnetic rheology elastic body.The support bar top is provided with
For the internal thread hole 61 being connected with by vibration insolation means, the outer rim of the pedestal is provided with the fixing hole 12 for being connected with vibration source.
Magnetorheological clay 7 is provided between the support bar and pedestal, the magnetorheological clay is packaged in elastic cuff 4.The bullet
Property cuff be it is a kind of be up and down plane, surrounding is the closed structure of arc.The elastic cuff is made of elastomeric material.Magnetic current
Become confined space of the clay 7 full of whole elasticity cuff 4, then elastic cuff 4 is fully sealed, the elastic cuff 4 after sealing
It is fixed between support bar 6 and pedestal 1 by way of bonding.The upper and lower ends of the elastic cuff respectively with support bar, base
Seat is fixedly connected, and outer sleeve 2 is fixed with the pedestal, and the support bar is located in the inner chamber of outer sleeve, the upper end of support bar
Outer sleeve is overhang, magnetic rheology elastic body 5 is fixed between the support bar and outer sleeve.Glue respectively the both sides of the support bar
Knot magnetic rheology elastic body 5, the other side of magnetic rheology elastic body is connected with outer sleeve.Gradually prolong to inner side at the overcoat nozzle end
Closing in is stretched, overcoat nozzle end end face is gradually drawn close to support bar, magnetic is fixed between the overcoat nozzle end end face and support bar
Magnetorheological elastomer, can reduce magnetic rheology elastic body because of the strain produced by the dead load of vibration isolation thing.It is magnetic rheology elastic body, magnetorheological
Clay is all known magnetorheological materials, the material as described in patent CN201310364584.6 and CN201210495593.4
Material.
The pedestal 1 is provided with raised 11, and the elastic cuff is fixed in the projection of pedestal, and the support bar is fixed on
Elastomeric bladder is put, and magnet exciting coil 3 is wound in the projection of pedestal 1, and the magnetic field that magnet exciting coil 3 is produced after energization will directly pass through
Pedestal 1 is conducted to miscellaneous part, finally by pedestal 1, outer sleeve 2, magnet exciting coil 3, elastic cuff 4, magnetic rheology elastic body 5, branch
Strut 6, magnetorheological clay 7 constitute the double field circuits of closure.Closed magnetic loop schematic diagram is as shown in Fig. 2 pass through closed magnetic circuit
Foundation, can effectively strengthen mechanical property controlled range of the magnetic rheology elastic body 5 with magnetorheological clay 7 under magnetic fields, it is real
Existing more preferable wideband vibration isolating effect.The pedestal, outer sleeve, support bar are all made using high permeability material.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, it is clear that those skilled in the art
Member can carry out various changes and modification without departing from the spirit and scope of the present invention to the present invention.So, if of the invention
These modifications and modification belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising these
Including change and modification.
Claims (7)
1. a kind of magnetorheological vibration isolating suspension based on mixed mode, it is characterised in that：Including for being connected with by vibration insolation means
Support bar and the pedestal for being connected with vibration source, and for producing the magnet exciting coil in magnetic field, between the support bar and pedestal
Be provided with magnetorheological clay, the magnetorheological clay is packaged in elastic cuff, the upper and lower ends of the elastic cuff respectively with
Support bar, pedestal are fixedly connected, and outer sleeve is fixed with the pedestal, and the support bar is located in the inner chamber of outer sleeve, support
The upper end of bar overhangs outer sleeve, and magnetic rheology elastic body is fixed between the support bar and outer sleeve, and the pedestal is provided with
Projection, the elastic cuff is fixed in the projection of pedestal, and the magnet exciting coil is wound in the projection of pedestal, magnet exciting coil
After energization, pedestal, outer sleeve, magnet exciting coil, elastic cuff, magnetic rheology elastic body, support bar, magnetorheological clay constitute closure
Double field circuits.
2. the magnetorheological vibration isolating suspension based on mixed mode according to claim 1, it is characterised in that：The elastic cuff
It is that one kind is up and down plane, surrounding is the closed structure of arc.
3. the magnetorheological vibration isolating suspension based on mixed mode according to claim 2, it is characterised in that：The elastic cuff
It is made of elastomeric material.
4. the magnetorheological vibration isolating suspension based on mixed mode according to claim 1, it is characterised in that：It is the pedestal, outer
Sleeve, support bar are all made using high permeability material.
5. the magnetorheological vibration isolating suspension based on mixed mode according to claim 1, it is characterised in that：On the support bar
Magnetic rheology elastic body is bonded, the other side of magnetic rheology elastic body is connected with outer sleeve.
6. the magnetorheological vibration isolating suspension of mixed mode is based on according to claim 1 or 5, it is characterised in that：The overcoat
Nozzle end gradually extends to inner side closes up, and overcoat nozzle end end face is gradually drawn close to support bar, the overcoat nozzle end end face
Magnetic rheology elastic body is fixed between support bar.
7. the magnetorheological vibration isolating suspension based on mixed mode according to claim 1, it is characterised in that：The support bar top
Portion is provided with the internal thread hole for being connected with by vibration insolation means, and the outer rim of the pedestal is provided with the fixation for being connected with vibration source
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443157.6A CN105020328B (en) | 2015-07-24 | 2015-07-24 | Magnetorheological vibration isolating suspension based on mixed mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443157.6A CN105020328B (en) | 2015-07-24 | 2015-07-24 | Magnetorheological vibration isolating suspension based on mixed mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020328A CN105020328A (en) | 2015-11-04 |
| CN105020328B true CN105020328B (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510443157.6A Active CN105020328B (en) | 2015-07-24 | 2015-07-24 | Magnetorheological vibration isolating suspension based on mixed mode |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321702A (en) * | 2016-10-27 | 2017-01-11 | 中国海洋大学 | Compression-shear mixed multi-layer magnetorheological elastomer shock absorber |
| CN109505917B (en) * | 2018-12-04 | 2020-09-18 | 重庆理工大学 | Vibration isolation device based on magnetic control rigidity and damping |
| CN110043598B (en) * | 2019-04-30 | 2020-12-11 | 中北大学 | Active vibration isolator based on compounding of magnetorheological cement and metal rubber |
| CN110067220A (en) * | 2019-05-06 | 2019-07-30 | 重庆邮电大学 | A kind of type rotary anti-collision guardrail based on magnetorheological glue |
| CN110439954A (en) * | 2019-08-12 | 2019-11-12 | 南京理工大学 | A kind of more free magneto-rheological grease vibration isolators |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2927757A1 (en) * | 1979-07-10 | 1981-02-05 | Continental Gummi Werke Ag | Elastic mounting with spring body - has metal powder stiffened by magnetic field to form damping component |
| JPH07119790A (en) * | 1993-10-20 | 1995-05-09 | Nissan Motor Co Ltd | Vibration absorbing device |
| CN2747412Y (en) * | 2004-11-16 | 2005-12-21 | 中国船舶重工集团公司第七○二研究所 | Active-passive vabrition damper |
| CN201173268Y (en) * | 2008-01-18 | 2008-12-31 | 湖南工程学院 | MR elastomer vibration isolator |
| CN103727167B (en) * | 2014-01-23 | 2015-11-18 | 重庆大学 | A kind of intelligent vibration isolator for micro-vibration control |
| CN104747651B (en) * | 2015-01-28 | 2016-07-20 | 合肥工业大学 | A kind of paralleling model semi-active vibration-isolating device |
| CN104675905A (en) * | 2015-03-10 | 2015-06-03 | 中国科学技术大学 | Buffer using magneto-rheological cement gum |
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2015
- 2015-07-24 CN CN201510443157.6A patent/CN105020328B/en active Active
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| CN105020328A (en) | 2015-11-04 |
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