CN107013073B - Composite-structure magnetorheological elastomer isolator - Google Patents
Composite-structure magnetorheological elastomer isolator Download PDFInfo
- Publication number
- CN107013073B CN107013073B CN201710182094.2A CN201710182094A CN107013073B CN 107013073 B CN107013073 B CN 107013073B CN 201710182094 A CN201710182094 A CN 201710182094A CN 107013073 B CN107013073 B CN 107013073B
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- magnetic
- pedestal
- isolator
- magnetizer
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses laminated construction, magnetic rheology elastic body, magnetizer, magnetic core, sleeve, coil and connectors made of a kind of composite-structure magnetorheological elastomer isolator, including pedestal, shock insulation platform, magnetic rheology elastic body piece and pure iron piece alternately bonded；Pedestal is located at the lowermost end of entire isolator, and laminated construction is mounted on the boss structure of pedestal, and magnetic core is mounted on laminated construction upper end；The boss structure of pedestal upper end, laminated construction and magnetic core lower end cylindrical structure three are nested together by sleeve；Coil is wrapped in excircle of sleeve；Magnetizer is mounted on the cylindrical structure of pedestal lower end, and is located at the outermost end of entire isolator radial direction；Annular gap is equipped between magnetizer and magnetic core upper end cylindrical structure, magnetic rheology elastic body is ring structure, is embedded into the annular gap between magnetizer and magnetic core upper end cylindrical structure；Shock insulation platform is located at the top of entire isolator, is connected by connector with magnetic core；Isolator structure of the present invention is simple, and shock insulation controllability is good, adaptable.
Description
Technical field
The invention belongs to base isolation equipment, especially a kind of composite-structure magnetorheological elastomer isolator.
Background technique
The generation of earthquake has uncertain and unpredictability, just because of in this way, can just bring big prestige
The side of body.The main reason for earthquake damages is that the huge energy of Seismic input is released in the form of wave, causes building acute
Strong shaking destroys component.Studies have shown that the key of earthquake shock insulation is that the seismic origin is isolated, and dissipation seismic energy is not lain in
Amount.Optimal isolating affection is that the building that deformation only occurs in shock isolation system or above shock isolation system moves integrally, from
And reduce the relative storey displacement of building to the greatest extent.
Optimal shock isolation system should have enough vertical bearing capacities, suitable rigidity and have good reset function
Can, realize that the mode of optimal shock insulation is exactly the main unwanted frequencies for allowing the intrinsic frequency for building itself to avoid earthquake in real time
Range achievees the purpose that shock insulation antidetonation so as to avoid resonating.However, traditional passive shock isolation system and variable resistance damping system
This purpose cannot be all realized well.
Magnetic rheology elastic body is a new branch of magnetorheological materials, it is by soft ferromagnetic particle and polymeric matrix
Composition can be by adjusting magnetic since it responds fast (ms magnitude), good reversibility (after removing magnetic field, and restPosing)
Size is come performances consecutive variations such as the mechanics, electricity, the magnetics that control material, the advantages of having magnetorheological materials and elastomer concurrently,
The disadvantages of magnetorheological fluid is easily settled, stability is poor, thus the preparation of magnetic rheology elastic body, mechanism and application in recent years are overcome again
More and more paid attention to, becomes a hot spot of magnetorheological materials research.Magnetic rheology elastic body
(Magnetorheological Elastomer, MRE) has the features such as real-time variable rigidity and small required energy, can change in real time
The rigidity of change system, to change the intrinsic frequency of system in real time, cutting extraneous vibration is transmitted to the approach of internal system, from root
Achieve the purpose that Civil Structrual Isolation in sheet.Therefore, magnetic rheology elastic body shock insulation is set under the conditions of designing high-mechanic and complex conditions
It is standby, to can realize that intelligent shock-isolation plays an important role.
Currently, the problem of traditional laminated rubber damping bearing can only play function of shock insulation to the earthquake of specific frequency frequency range；It is existing
There is magnetic rheology elastic body isolator designed by technology to be mainly used in thin tail sheep, small acceleration, the occasion of small load, substantially
Do not have the ability for bearing large-scale load；Also, overwhelming majority isolator is variable merely with magnetorheological modulus of shearing at present
Or the characteristic that compression modulus can be changed more makes full use of the rigidity of magnetic rheology elastic body without combining two kinds of characteristics
Controllability.Therefore, the strong composite construction isolator of a suitable bearing capacity is designed to be of great significance.
Summary of the invention
Technical problem solved by the invention is to provide a kind of composite-structure magnetorheological elastomer isolator, overcome at present
Magnetic rheology elastic body isolator does not have the ability for bearing large-scale load and most isolators will not be magnetorheological at present
The characteristic that modulus of shearing is variable or compression modulus is variable combines the problem of making full use of.
The technical solution for realizing the aim of the invention is as follows:
A kind of composite-structure magnetorheological elastomer isolator, including pedestal, shock insulation platform, magnetic rheology elastic body piece and pure iron
Laminated construction made of piece alternately bonded, magnetic rheology elastic body, magnetizer, magnetic core, sleeve, coil and connector；
The pedestal is located at the lowermost end of entire isolator, the cylindrical boss knot of cylindrical structure and upper end including lower end
Structure；The laminated construction is mounted on the boss structure of pedestal, and magnetic core is mounted on laminated construction upper end, and the magnetic core is that upper end is big
The small step cylindrical structure in lower end；The sleeve is by the boss structure of pedestal upper end, laminated construction and magnetic core lower end cylinder knot
Structure three is nested together；The coil is wrapped in excircle of sleeve；The magnetizer is circular cylindrical cavity structure, is mounted on pedestal
On the cylindrical structure of lower end, and it is located at the outermost end of entire isolator radial direction；The magnetizer and magnetic core upper end cylindrical structure it
Between be equipped with annular gap, the magnetic rheology elastic body be ring structure, be embedded between magnetizer and magnetic core upper end cylindrical structure
Annular gap in；The shock insulation platform is located at the top of entire isolator, is connected by connector with magnetic core.
Compared with prior art, the present invention its remarkable advantage:
(1) magnetic rheology elastic body selects the magnetic-particle with big magnetostriction coefficient and low magnetocrystalline anisotropy as magnetic
Property filler particles, considerably increase its relative permeability, so that shock insulation control effect becomes apparent from.
(2) it using laminated construction and magnetic rheology elastic body as controlled member, can be carried and two so that horizontal and vertical
The elasticity modulus in a direction is controllable, and bearing capacity is strong, increases the adaptability of shock insulation.
(3) magnetic structure is simple, and magnetic energy utilization rate is high, and each design of part is simple, facilitates processing, save the cost, part it
Between mostly use threaded connection, high reliablity is easy assembly.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the overall structure diagram of composite-structure magnetorheological elastomer isolator of the invention.
Fig. 2 is base vertical view of the invention.
Fig. 3 is annular magnetic rheology elastic body schematic diagram of the invention.
Fig. 4 is schematic diagram of laminated structure of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
In conjunction with Fig. 1-Fig. 4, a kind of composite-structure magnetorheological elastomer isolator of the invention, including pedestal 1, shock insulation platform
7, laminated construction 11, magnetic rheology elastic body 5, magnetizer 2, magnetic made of 13 alternately bonded of magnetic rheology elastic body piece 12 and pure iron piece
Core 6, sleeve 4, coil 3 and connector.
The pedestal 1 is located at the lowermost end of entire isolator, the cylindrical boss of cylindrical structure and upper end including lower end
Structure；The laminated construction 11 is mounted on the boss structure of pedestal 1, and magnetic core 6 is mounted on 11 upper end of laminated construction, the magnetic core
6 be small top and big bottom step cylindrical structure；The sleeve 4 is by the boss structure of 1 upper end of pedestal, laminated construction 11 and magnetic
6 lower end cylindrical structure three of core is nested together；The coil 3 is wrapped in 4 outer circle of sleeve；The magnetizer 2 is cylindrical cavity
Body structure is mounted on the cylindrical structure of 1 lower end of pedestal, and is located at the outermost end of entire isolator radial direction；The magnetizer 2 with
Annular gap is equipped between 6 upper end cylindrical structure of magnetic core, the magnetic rheology elastic body 5 is ring structure, is embedded into 2 He of magnetizer
In annular gap between 6 upper end cylindrical structure of magnetic core；The shock insulation platform 7 is located at the top of entire isolator, passes through company
Fitting is connected with magnetic core 6.
To be easily installed, preferably, 6 upper end of the magnetic core is equipped with threaded hole, it is heavy to be equipped among 7 lower end of shock insulation platform
Head bore, the connector include screw 8, the first nut 9, the second nut 10；8 upper end of screw is mounted on the countersunk head of shock insulation platform 7
In hole, 8 lower end of screw is mounted in the threaded hole of magnetic core 6；First nut 9 is mounted on the upper end of screw 8, and is located at shock insulation
The lower end of platform 7；Second nut 10 is mounted on the lower end of screw 8, and is located at the upper end of magnetic core 6；First nut, 9 He
Second nut 10 is used to limit the relative position of shock insulation platform 7 and magnetic core 6.
Further, the quantity of the pure iron piece 13 is N (N >=1), and the quantity of the magnetic rheology elastic body piece 12 is M (M
=N+1).
Preferably, the magnetic rheology elastic body piece 12 and pure iron piece 13 are circular configuration, and diameter is identical；One
In a little embodiments, the magnetic rheology elastic body 12 and pure iron piece 13 are also possible to rectangle.By elastomeric sheets 12 and pure iron piece
Variation rigidity shift frequency control when laminated construction 11 made of 13 alternately bondeds can provide high-mechanic and earthquake, and guarantee earthquake after
Shake pedestal is able to achieve effective lateral shifting movements and remains stationary superstructure or fine motion.The magnetic rheology elastic body piece 12
It is made of the magnetic rheology elastic body of laminated structure.
Preferably, the safe carrying capacity of the coil 3 is 5~10A, diameter is selected as 0.8~1.5mm, and the number of turns is
1000~1500；It can reach magnetic current according to the size of magnetic field strength in the relevant parameter of some other embodiment, coil 3
The magnetic saturation intensity for becoming elastomer 5 is adjusted.The electric current for being passed through coil 3 is provided by external controllable direct current power supply, DC power supply
Output voltage amplitude, frequency and phase are adjustable, to control magnetic field strength.
Further, the magnetic rheology elastic body 5 selects the magnetic with big magnetostriction coefficient and low magnetocrystalline anisotropy
Property particle as magnetic filler particles；If Tb1-xDyxFe2 alloy is as magnetic filler particles, using 704 silicon rubber as matrix, with
Dimethicone is additive, is remarkably improved relative permeability.
Further, the pedestal 1, magnetizer 2, magnetic core 6 and pure iron piece 13 are all made of electrical pure iron DT4A, have preferable
Demagnetization characteristic and permeance, pedestal 1, magnetizer 2, magnetic core 6 and pure iron piece 13 and magnetic rheology elastic body piece 12, magnetorheological bullet
Property body 5 collectively form toroid, magnetic structure is simple, and magnetic energy utilization rate is high.
As the further improvement to above embodiment, the 1 upper end boss structure of pedestal and 1 lower end cylinder knot of pedestal
By round-corner transition between structure, to reduce magnetic flux leakage and structural stress.
Further, it is uniformly equipped with 3~6 through-holes on the 1 lower end cylindrical structure of pedestal, is used for entire isolator
It is fixed with ground.
When work, the pedestal 1 is connected in the structure foundation bottom, and shock insulation platform 7 and shock insulation object are connected and with it
Vibration, when relative displacement up and down occurs for magnetic core 6 and magnetizer 2, magnetic rheology elastic body 5 is in by shearing condition, and works as magnetic core 6
When lateral inclination occurs, annular magnetic rheology elastic body 5 is in lateral loading state again；Annular magnetic rheology elastic body during vibration
5 lateral bearings, longitudinal to be sheared, 11 longitudinal load-bearing of laminated construction is laterally sheared；Laminated construction 11 of the invention has used for reference biography
The stratified energy mechanism of the laminated rubber bases of system, advantage is that the load of larger vertical direction can be born, and passes through friendship
The intensity of magnetic flux can be improved for bonding pure iron material.
After providing a certain size direct current signal to coil 3, the change of 3 electric current of hot-wire coil is along with magnetic field strength
Change；The rigidity and damping of magnetic rheology elastic body 5 and laminated construction 11 all change, and change the intrinsic frequency of system
Become, that is, the phenomenon that shift frequency occurs, to avoid exciting signal frequency resonance region, play the role of building shock insulation.
From the foregoing, it will be observed that magnetic rheology elastic body isolator structure of the invention is simple, shock insulation controllability is good, adaptable, horizontal
It can be carried and the elasticity modulus of both direction is controllable to longitudinal, can be applied to building shock insulation occasion.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (7)
1. a kind of composite-structure magnetorheological elastomer isolator, which is characterized in that including pedestal (1), shock insulation platform (7), magnetic current
Become laminated construction (11), magnetic rheology elastic body (5), magnetizer made of elastomeric sheets (12) and pure iron piece (13) alternately bonded
(2), magnetic core (6), sleeve (4), coil (3) and connector；
The pedestal (1) is located at the lowermost end of entire isolator, the cylindrical boss knot of cylindrical structure and upper end including lower end
Structure；The laminated construction (11) is mounted on the boss structure of pedestal (1), and magnetic core (6) is mounted on laminated construction (11) upper end, institute
Stating magnetic core (6) is small top and big bottom step cylindrical structure；The sleeve (4) is by the boss structure of pedestal (1) upper end, folded
Layer structure (11) and magnetic core (6) lower end cylindrical structure three is nested together；The coil (3) is wrapped in sleeve (4) outer circle；Institute
Stating magnetizer (2) is circular cylindrical cavity structure, is mounted on the cylindrical structure of pedestal (1) lower end, and is located at entire isolator diameter
To outermost end；Annular gap, the magnetorheological elasticity are equipped between the magnetizer (2) and magnetic core (6) upper end cylindrical structure
Body (5) is ring structure, is embedded into the annular gap between magnetizer (2) and magnetic core (6) upper end cylindrical structure；The shock insulation
Platform (7) is located at the top of entire isolator, is connected by connector with magnetic core (6)；Magnetic core (6) upper end is equipped with screw thread
Hole, shock insulation platform (7) lower end centre are equipped with counter sink, and the connector includes screw (8), the first nut (9), the second nut
(10)；Screw (8) upper end is mounted in the counter sink of shock insulation platform (7), and screw (8) lower end is mounted on the threaded hole of magnetic core (6)
It is interior；First nut (9) is mounted on the upper end of screw (8), and is located at the lower end of shock insulation platform (7)；Second nut
(10) it is mounted on the lower end of screw (8), and is located at the upper end of magnetic core (6).
2. composite-structure magnetorheological elastomer isolator as described in claim 1, which is characterized in that the number of the pure iron piece (13)
Amount is N, N >=1；The quantity of the magnetic rheology elastic body piece (12) is M, M=N+1.
3. composite-structure magnetorheological elastomer isolator as described in claim 1, which is characterized in that the safety of the coil (3)
Current-carrying capacity is 5~10A, and diameter is selected as 0.8~1.5mm, and the number of turns is 1000~1500.
4. composite-structure magnetorheological elastomer isolator as described in claim 1, which is characterized in that the magnetic rheology elastic body
(5) selecting has the magnetic-particle of big magnetostriction coefficient and low magnetocrystalline anisotropy as magnetic filler particles.
5. composite-structure magnetorheological elastomer isolator as claimed in claim 4, which is characterized in that it is described magnetism filler particles be
Tb1-xDyxFe2 alloy, using 704 silicon rubber as matrix, using dimethicone as additive.
6. composite-structure magnetorheological elastomer isolator as described in claim 1, which is characterized in that the pedestal (1), magnetizer
(2), magnetic core (6) and pure iron piece (13) are all made of electrical pure iron DT4A.
7. composite-structure magnetorheological elastomer isolator as described in claim 1, which is characterized in that pedestal (1) upper end is convex
Pass through round-corner transition between platform structure and pedestal (1) lower end cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182094.2A CN107013073B (en) | 2017-03-24 | 2017-03-24 | Composite-structure magnetorheological elastomer isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182094.2A CN107013073B (en) | 2017-03-24 | 2017-03-24 | Composite-structure magnetorheological elastomer isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107013073A CN107013073A (en) | 2017-08-04 |
| CN107013073B true CN107013073B (en) | 2019-05-31 |
Family
ID=59445101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710182094.2A Active CN107013073B (en) | 2017-03-24 | 2017-03-24 | Composite-structure magnetorheological elastomer isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013073B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317207A (en) * | 2018-04-13 | 2018-07-24 | 西安科技大学 | The MR elastomer vibration isolator of the multi-direction vibration control of vertical-horizontal can be achieved |
| CN109972667B (en) * | 2019-03-20 | 2020-09-25 | 南京理工大学 | Composite-structure magnetorheological elastomer negative-stiffness shock isolator |
| CN110344435A (en) * | 2019-07-12 | 2019-10-18 | 沈阳建筑大学 | A kind of neritic area blower foundation using bladder-type magnetic rheology elastic body |
| CN112761032A (en) * | 2019-09-20 | 2021-05-07 | 南安市董山尾机械科技有限公司 | Track vibration isolator and method |
| CN111946127B (en) * | 2020-08-19 | 2021-07-30 | 天津城建大学 | Magnetorheological elastomer intelligent shock insulation support with high vertical bearing capacity |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228851A (en) * | 2008-03-25 | 2009-10-08 | Toyo Tire & Rubber Co Ltd | Lamination layer rubber for seismic isolation |
| CN102182258A (en) * | 2011-03-31 | 2011-09-14 | 东南大学 | Double-layer multi-dimensional shock isolation/absorption device |
| CN102733483A (en) * | 2012-07-02 | 2012-10-17 | 大连理工大学 | Variable rigidity shock insulation integral intelligent support seat |
| CN104153478A (en) * | 2014-08-12 | 2014-11-19 | 中国十七冶集团有限公司 | Intelligent multi-dimensional seismic mitigation and isolation support |
| CN104265826A (en) * | 2014-09-11 | 2015-01-07 | 合肥工业大学 | Bidirectional regulation type multilayer magneto-rheological elastomer shock absorber |
| CN105485241B (en) * | 2015-12-31 | 2017-09-29 | 浙江科技学院 | Magnetic rheology elastic body shock absorber |
| CN205315605U (en) * | 2016-01-15 | 2016-06-15 | 山东科技大学 | Novel isolator based on magnetic current becomes elastomer |
| CN105780930B (en) * | 2016-02-15 | 2018-03-23 | 沈阳建筑大学 | A kind of STF highly energy-consumings slip support abutment |
| CN106321702A (en) * | 2016-10-27 | 2017-01-11 | 中国海洋大学 | Compression-shear mixed multi-layer magnetorheological elastomer shock absorber |
-
2017
- 2017-03-24 CN CN201710182094.2A patent/CN107013073B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107013073A (en) | 2017-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107013073B (en) | Composite-structure magnetorheological elastomer isolator | |
| CN101513924B (en) | Magnetorheological elastomer intelligent vibration absorber used for ships | |
| CN101446117B (en) | High-energy consumption self-decoupling magnetorheological damper | |
| CN104595402B (en) | A kind of electromagnetism branch circuit damping absorber adopting annular permanent magnet | |
| CN108716521B (en) | Vibration energy collecting device based on nonlinear energy trap | |
| CN102733483A (en) | Variable rigidity shock insulation integral intelligent support seat | |
| CN101586641B (en) | Laminated intelligent shock-isolation bearing capable of self-adaptively regulating cutting performance | |
| CN109972667B (en) | Composite-structure magnetorheological elastomer negative-stiffness shock isolator | |
| CN207032558U (en) | Multidimensional tunes electromagnetic energy-consumption vibration absorber | |
| CN107084218B (en) | A kind of adaptive controllable electromagnetic damper | |
| CN111042370A (en) | Semi-active negative stiffness multidimensional vibration damper | |
| CN107268824A (en) | Multidimensional tunes electromagnetic energy-consumption vibration absorber | |
| CN106639468B (en) | A kind of fiber magnetic rheological body particle three-dimensional shock isolating pedestal | |
| CN106321702A (en) | Compression-shear mixed multi-layer magnetorheological elastomer shock absorber | |
| CN107327535A (en) | A kind of laminated type metal-rubber shock isolating pedestal for Substation Electric Equipment | |
| CN107769622A (en) | A kind of axial magnetic formula motor | |
| CN104879431A (en) | Combined intelligent isolation bearing of magnetorheological elastomer | |
| CN102619293A (en) | Semi-active particle vibration damping device with truss structure | |
| CN206256734U (en) | Eddy current damper damping control device | |
| CN105178467A (en) | Wide-range-adjustable magnetic-sensitive rubber support of coextrusion-shear modes | |
| CN107763131A (en) | A kind of magnetic rheology elastic body actuator suppressed for oscillation of rotary machine rotor | |
| CN202510616U (en) | Vibration damping device of magnetorheological elastomeric bearing | |
| CN106639472A (en) | Eddy current tuned mass damper | |
| CN110094449A (en) | A kind of low-power consumption MR mount based under shear mode | |
| CN106382325B (en) | Based on MR elastomer vibration isolator under shearing-compression combined pattern |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |