CN106438823A - Self-power electrorheological fluid damping vibration isolator - Google Patents
Self-power electrorheological fluid damping vibration isolator Download PDFInfo
- Publication number
- CN106438823A CN106438823A CN201610979901.9A CN201610979901A CN106438823A CN 106438823 A CN106438823 A CN 106438823A CN 201610979901 A CN201610979901 A CN 201610979901A CN 106438823 A CN106438823 A CN 106438823A
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- CN
- China
- Prior art keywords
- piston
- cylinder body
- laminated plates
- vibration isolator
- piezoelectric laminated
- 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.)
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/532—Electrorheological [ER] fluid dampers
Abstract
The invention discloses a self-power electrorheological fluid damping vibration isolator which comprises a working table, a piezoelectric layer plywood, a seal ring, a spring, a piston connecting rod, a piston, an insulated coating, an electrorheological fluid and a cylinder block. The vibration isolator has the advantages that external vibration energy can be converted into electric energy, and the viscosity of the electrorheological fluid is adjusted, so that the damping degree of the self-power electrorheological fluid damping vibration isolator is adjusted. The vibration isolator does not need to be externally connected with a controller and a power source, and is convenient to mount, and the working state is self-adaptively adjusted according to the change of the working environment.
Description
Technical field
The invention belongs to, and in particular to self energizing type ER fluid damping isolator, especially should in mechanical oscillation mechanics field
For the vibration damping in precision instrument and the industrial equipment course of work.
Background technology
Vibration isolator is the flexible member being placed between precision instrument or industrial equipment and basis, in order to reduce and eliminate by
Equipment is delivered to the active force on basis or the vibration being delivered to precision instrument or equipment by basis.Traditional damping and amortization vibration isolator
Damping and rigidity are all constant, and working band is narrower, and amplitude is wider, and the effect of vibration isolation is not very good, under certain situation
The actual needs of engineering cannot be met；And current adaptive active control vibration isolator needs the factors such as external controller, power supply,
Expensive, install complicated, using simultaneously inconvenient.
Content of the invention
For the problems referred to above, the invention provides a kind of self energizing type ER fluid damping isolator, this vibration isolator has
Structure is simple, easy for installation, without external power supply, sensor and controller the advantages of, can be according to the change of itself working environment
Change, be adaptively adjusted damping.
In order to solve the above problems, the scheme that the present invention provides is：
Self energizing type ER fluid damping isolator, it includes vibration isolator work top, Piezoelectric Laminated Plates, sealing ring, bullet
Spring, piston rod, piston, insulating coating, ER fluid, cylinder body.
Described piston and piston rod are carbon fiber or the non-conducting material similar with carbon fiber；Described sealing ring is
U-shaped sealing ring, or the rubber seal such as L-type sealing ring or J-type sealing ring or V-shaped seal ring；Described Piezoelectric Laminated Plates are
Lead titanate piezoelectric ceramics PZT is made with carbon fiber；Described cylinder body makes for metal material.
Described vibration isolator work top is used for installing equipment or the device needing vibration damping；Described cylinder body is used for installing
Piezoelectric Laminated Plates, piston and spring；The bottom of described piston rod is connected with piston, the top of piston rod and vibration isolator work
Make table top to connect；Described Piezoelectric Laminated Plates have two pieces, are the generation electric energy unit of vibration isolator, are separately mounted to cylinder interior
Top and bottom, and the bottom on the top, bottom Piezoelectric Laminated Plates and cylinder body of top Piezoelectric Laminated Plates and cylinder body to have certain
Gap；Described spring has two, is connected in respectively between the top of piston and top Piezoelectric Laminated Plates, the bottom of piston and bottom
Between the Piezoelectric Laminated Plates of end, described spring is the Flexible element of vibration isolator.
Described piston, spring, Piezoelectric Laminated Plates are arranged in cylinder body；Described ER fluid is the damping list of vibration isolator
Unit, the gap full of whole cylinder body；Described sealing ring is installed between cylinder body top and piston rod, is used for preventing electric current from becoming
Liquid is revealed；Described insulating coating uniformly fills the inside of cylinder body, prevents leakage of current.
The self energizing type ER fluid damping isolator operation principle of the present invention is：When vibration isolator work top opposing cylinder
During motion, vibration isolator work top is moved back and forth in cylinder body by piston rod band piston, and piston driving ER fluid exists
Back and forth flow in cylinder body, ER fluid can produce the active force of alternation to the Piezoelectric Laminated Plates of top and bottom；Made by alternation
Piezoelectric Laminated Plates firmly produce alternating voltage, and alternating voltage causes and produces electric current in ER fluid body；In the presence of electric current,
The shear yield strength of ER fluid can increase, and viscosity also can strengthen；Thus, the resistance meeting of the relative motion of piston opposing cylinder
Increase, the damping of whole system can increase with rigidity.The acceleration of the relative motion of piston opposing cylinder is bigger, Piezoelectric Laminated Plates
The alternating voltage producing is bigger, and the electric current in ER fluid is bigger, and the viscosity of ER fluid can be bigger, thus whole self energizing type
ER fluid damping isolator constitutes a self-regulation damping system.
Compared with prior art, the invention has the advantages that：
(1) self electric energy can be provided, without externally fed；
(2) can be to the change of working environment, self adjustment damps and rigidity, without peripheral control unit regulation and control；
(3) structure is simple, cheap, easy for installation.
Brief description
Fig. 1 is self energizing type ER fluid damping isolator structural representation.
In figure：1st, vibration isolator work top, 2, top Piezoelectric Laminated Plates, 3, sealing ring, 4, top spring, 5, piston even
Bar, 6, piston, 7, insulating coating, 8, bottom spring, 9, ER fluid, 10, cylinder body, 11, bottom Piezoelectric Laminated Plates.
Specific embodiment
Below in conjunction with the accompanying drawings the specific implementation method of the present invention is described further.
As shown in figure 1, the self energizing type ER fluid damping isolator of the present invention includes vibration isolator work top 1, top
Piezoelectric Laminated Plates 2, sealing ring 3, top spring 4, piston rod 5, piston 6, insulating coating 7, bottom spring 8, ER fluid 9,
Cylinder body 10, bottom Piezoelectric Laminated Plates 11.Piston rod 5 connects vibration isolator work top 1 and piston 6, constitutes self energizing type electricity
The moving cell of rheology liquid damping isolator, piston rod 5 using screw thread or can be welded to connect with piston 6；Piston rod 5 with
Vibration isolator work top 1 is threaded.Sealing ring 3 is arranged between cylinder body 10 and piston rod 5, and its function is to prevent electric current
Become liquid 9 to reveal.Top Piezoelectric Laminated Plates 2 are arranged on cylinder body 10 inner tip, retain certain gap with cylinder body 10 inner tip；
Bottom Piezoelectric Laminated Plates 11 are arranged on cylinder body 10 inner bottom, retain certain gap with cylinder body 10 inner bottom.Top piezoelectricity
Laminate 2 and bottom Piezoelectric Laminated Plates 11 are electric supply installation, and it is subject to applied external force can produce electric energy when acting on.Top spring 4
It is arranged between top Piezoelectric Laminated Plates 2 and the top of piston 6, bottom spring 8 is arranged on bottom Piezoelectric Laminated Plates 11 and piston 6
Bottom between, they be self energizing type ER fluid damping isolator linear elasticity unit.ER fluid 9 is full of whole cylinder
Body 10, in the presence of electric field, its viscosity can change, and the damping of system also can change, and it is that self energizing type ER fluid damps
The performance element of vibration isolator.
Above example technological thought only to illustrate the invention is it is impossible to limit protection scope of the present invention with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, each fall within the scope of the present invention
Within.
Claims (4)
1. self energizing type ER fluid damping isolator is it is characterised in that include vibration isolator work top, Piezoelectric Laminated Plates, close
Seal, spring, piston rod, piston, insulating coating, ER fluid, cylinder body.
2. self energizing type ER fluid damping isolator according to claim 1 is it is characterised in that described piston and work
Plug connecting rod is carbon fiber or the non-conducting material similar with carbon fiber；Described sealing ring is U-shaped sealing ring, or L-type sealing ring,
Or the rubber seal such as J-type sealing ring or V-shaped seal ring；Described Piezoelectric Laminated Plates are lead titanate piezoelectric ceramics PZT and carbon
Fiber makes；Described cylinder body makes for metal material.
3. self energizing type ER fluid damping isolator according to claim 1 and 2 is it is characterised in that described vibration isolation
Device work top is used for installing equipment or the device needing vibration damping；Described cylinder body be used for installing Piezoelectric Laminated Plates, piston and
Spring；The bottom of described piston rod is connected with piston, and the top of piston rod is connected with vibration isolator work top；Described
Piezoelectric Laminated Plates have two pieces, are the generation electric energy unit of vibration isolator, are separately mounted to top and the bottom of cylinder interior, and top
Piezoelectric Laminated Plates will have certain gap with the bottom on the top, bottom Piezoelectric Laminated Plates and cylinder body of cylinder body；Described spring has
Two, it is connected in respectively between the top of piston and top Piezoelectric Laminated Plates, between the bottom of piston and bottom Piezoelectric Laminated Plates,
Described spring is the Flexible element of vibration isolator.
4. the self energizing type ER fluid damping isolator according to right 1 or 2 is it is characterised in that described piston, bullet
Spring, Piezoelectric Laminated Plates are arranged in cylinder body；Described ER fluid is the damping unit of vibration isolator, full of between whole cylinder body
Gap；Described sealing ring is installed between cylinder body top and piston rod, is used for preventing ER fluid from revealing；Described insulation applies
Layer uniformly fills the inside of cylinder body, prevents leakage of current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979901.9A CN106438823A (en) | 2016-11-08 | 2016-11-08 | Self-power electrorheological fluid damping vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979901.9A CN106438823A (en) | 2016-11-08 | 2016-11-08 | Self-power electrorheological fluid damping vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438823A true CN106438823A (en) | 2017-02-22 |
Family
ID=58207756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610979901.9A Pending CN106438823A (en) | 2016-11-08 | 2016-11-08 | Self-power electrorheological fluid damping vibration isolator |
Country Status (1)
| Country | Link |
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| CN (1) | CN106438823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116352565A (en) * | 2023-05-31 | 2023-06-30 | 靖江市三鑫汽配科技有限公司 | Batch polishing device for automobile fasteners |
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| US4923057A (en) * | 1988-09-20 | 1990-05-08 | Lord Corporation | Electrorheological fluid composite structures |
| CN2296934Y (en) * | 1997-04-04 | 1998-11-11 | 赵晓鹏 | Rotor vibration controlled combined adaptive damper |
| CN2318453Y (en) * | 1996-09-23 | 1999-05-12 | 赵晓鹏 | Current variable liquid and piezoelectric ceramic composited self-adaption damper |
| CN2318452Y (en) * | 1996-11-15 | 1999-05-12 | 赵晓鹏 | Wedge force applied self-adaption damper |
| CN1492161A (en) * | 2002-10-21 | 2004-04-28 | 西北工业大学 | Self coupling electric rheological liquid damper without external power |
| CN103615491A (en) * | 2013-09-29 | 2014-03-05 | 湖南工程学院 | Intelligent self-energized absorber |
| CN103836107A (en) * | 2014-01-04 | 2014-06-04 | 北京理工大学 | Electrorheological buffer |
| KR20140067857A (en) * | 2012-11-27 | 2014-06-05 | 에스티엑스조선해양 주식회사 | Anti-vibration mount for vessel using piezo-electric element and er fluid in ship |
| CN104154169A (en) * | 2014-07-18 | 2014-11-19 | 湘潭大学 | Self-powered electrorheological elastomer damper |
| CN104165204A (en) * | 2014-07-25 | 2014-11-26 | 华侨大学 | Energy feedback type damper combining piezoelectric ceramic and magnetorheological fluid |
| CN104819234A (en) * | 2015-05-06 | 2015-08-05 | 常州大学 | Magnetic suspension and electric combination three-way decoupling based self-adaptive equal-stiffness vibration isolator |
| CN104895992A (en) * | 2015-04-28 | 2015-09-09 | 江苏大学 | Piezoelectric ceramics-based energy feeding damper system |
| CN205278220U (en) * | 2015-12-15 | 2016-06-01 | 西安科技大学 | Present and to become elastomer vibration damper by formula magnetic current based on electricity generation of piezoelectricity module |
-
2016
- 2016-11-08 CN CN201610979901.9A patent/CN106438823A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923057A (en) * | 1988-09-20 | 1990-05-08 | Lord Corporation | Electrorheological fluid composite structures |
| CN2318453Y (en) * | 1996-09-23 | 1999-05-12 | 赵晓鹏 | Current variable liquid and piezoelectric ceramic composited self-adaption damper |
| CN2318452Y (en) * | 1996-11-15 | 1999-05-12 | 赵晓鹏 | Wedge force applied self-adaption damper |
| CN2296934Y (en) * | 1997-04-04 | 1998-11-11 | 赵晓鹏 | Rotor vibration controlled combined adaptive damper |
| CN1492161A (en) * | 2002-10-21 | 2004-04-28 | 西北工业大学 | Self coupling electric rheological liquid damper without external power |
| KR20140067857A (en) * | 2012-11-27 | 2014-06-05 | 에스티엑스조선해양 주식회사 | Anti-vibration mount for vessel using piezo-electric element and er fluid in ship |
| CN103615491A (en) * | 2013-09-29 | 2014-03-05 | 湖南工程学院 | Intelligent self-energized absorber |
| CN103836107A (en) * | 2014-01-04 | 2014-06-04 | 北京理工大学 | Electrorheological buffer |
| CN104154169A (en) * | 2014-07-18 | 2014-11-19 | 湘潭大学 | Self-powered electrorheological elastomer damper |
| CN104165204A (en) * | 2014-07-25 | 2014-11-26 | 华侨大学 | Energy feedback type damper combining piezoelectric ceramic and magnetorheological fluid |
| CN104895992A (en) * | 2015-04-28 | 2015-09-09 | 江苏大学 | Piezoelectric ceramics-based energy feeding damper system |
| CN104819234A (en) * | 2015-05-06 | 2015-08-05 | 常州大学 | Magnetic suspension and electric combination three-way decoupling based self-adaptive equal-stiffness vibration isolator |
| CN205278220U (en) * | 2015-12-15 | 2016-06-01 | 西安科技大学 | Present and to become elastomer vibration damper by formula magnetic current based on electricity generation of piezoelectricity module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116352565A (en) * | 2023-05-31 | 2023-06-30 | 靖江市三鑫汽配科技有限公司 | Batch polishing device for automobile fasteners |
| CN116352565B (en) * | 2023-05-31 | 2023-08-18 | 靖江市三鑫汽配科技有限公司 | Batch polishing device for automobile fasteners |
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Application publication date: 20170222 |