CN104791411B - A kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper - Google Patents
A kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper Download PDFInfo
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- CN104791411B CN104791411B CN201510189716.5A CN201510189716A CN104791411B CN 104791411 B CN104791411 B CN 104791411B CN 201510189716 A CN201510189716 A CN 201510189716A CN 104791411 B CN104791411 B CN 104791411B
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- antivibrator
- cylinder
- compensation
- platform
- vibration
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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
- F16F9/535—Magnetorheological [MR] fluid dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper, including solid platform, moving platform, antivibrator, cross over pipe, piston rod and compensation cylinder, described cross over pipe is fixed on solid platform, described cross over pipe is criss-cross construction, including a compensation cylinder interface being positioned at center and four antivibrator interfaces being positioned at surrounding, described compensation cylinder and compensation cylinder orifice, described antivibrator is provided with four, respectively with four antivibrator orifice, described piston-rod lower end is connected in antivibrator, upper end is slidably connected with moving platform.Vibration-isolating platform of the present invention not only solves difficult problem when conventional linear vibrating isolation system isolation low frequency or superlow frequency vibrating, also avoids the shortcomings such as vibration-isolating platform structure complexity, manufacturing cost height and power consumption；Vibration-isolating platform has simple in construction, damping step-less adjustment, it is adaptable to wide frequency domain vibration isolation, can be widely applied to the precision equipment strict to vibration isolation requirement, has good engineering adaptability.
Description
Technical field
The present invention relates to a kind of vibration-isolating platform, especially relate to a kind of height based on communication type magnetic rheological liquid damper
Sensitivity vibration-isolating platform, belongs to the vibration damping in mechanical engineering, vibration isolation technique field.
Background technology
Along with high speed development and the lifting at full speed of people's living standard of engineering science technology, people are to some
The vibration isolation technique of equipment requires more and more higher.Under many circumstances, vibration is considered as negative factor.Such as, shake
The dynamic function that can affect precision instrument and equipment, reduces machining accuracy, the fatigue of aggravation component and abrasion, thus shortens
The service life of its works.Vibration is also possible to cause the large deformation of structure to destroy, and some bridges once collapsed because of vibration
Ruin；The tremor of aircraft wing, the buffeting of wheel often result in accident；The vibration in car, ship and cabin can deteriorate carrying
Condition.
Vibration isolation refers to by using spare system to keep apart vibration source with controll plant to reach the vibration to controll plant
The purpose of suppression.In modern society, vibration environment, product are carried further by people with the requirement of vibration characteristics
Height, when such as measuring, optics vibration-isolating platform is to the vibration isolation protection of high-accuracy optical instrument, the vibration damping of underwater navigation submarine
Noise reductions etc., all requirement to vibration isolation technique are more and more stricter.But, conventional linear vibration isolator gradually exposes
Limitation, such as linear vibrating isolation system scrambling rate the most outside is more than vibration isolator natural frequencyTimes time just can have
Vibration isolating effect, processes vibration control effect when disturbing outside local, low frequency and by structure space and ensures that stability etc. limits.
Current existing vibration-isolating platform, has good vibration isolating effect to big displacement vibration, and its defect is when being adjusted to
Behind equilbrium position, if being produced micro breadth oscillation by device for vibration insutation, such as the vibration of 0.1mm-1mm, then do not reach pre-
The vibration isolating effect of phase.Being applied in vibration-isolating platform by magnetic rheological liquid damper, the performance of vibration-isolating platform will have bigger
The lifting of amplitude.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of based on communication type
The high sensitivity vibration-isolating platform of magnetic rheological liquid damper, the vibration-isolating platform of the present invention is capable of local and system
Control, make vibration reduction platform have both higher static rigidity and relatively low dynamic rate and stiffness and damping is stepless adjustable.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper, including solid platform, moving platform,
Antivibrator, cross over pipe, piston rod and compensation cylinder, described cross over pipe is fixed on solid platform, described UNICOM
Pipe is criss-cross construction, including a compensation cylinder interface being positioned at center and four antivibrators being positioned at surrounding
Interface, described compensation cylinder and compensation cylinder orifice, described antivibrator is provided with four, respectively with four
Antivibrator orifice, described piston-rod lower end is connected in antivibrator, and upper end is slidably connected with moving platform.
Described moving platform lower surface offers circular ring type sliding tray, and described piston rod upper end is provided with spherical groove,
Being provided with roller ball in spherical groove, described roller ball is located in sliding tray, and the path of sliding tray specification roller ball.
Described cross over pipe is assembled by four branch pipe(tube)s and forms criss-cross construction, and the inner of four branch pipe(tube)s is connected
Being formed and compensate cylinder interface, the outer end of four branch pipe(tube)s is antivibrator interface, and the inside of four branch pipe(tube)s is connected
Form cross over pipe passage, every branch pipe(tube) is respectively provided with the unicom pipeline permanent-magnetic clamp matched and unicom pipeline is encouraged
Magnetic coil, it is simple to Partial controll.
Described antivibrator includes antivibrator liquid storage cylinder, antivibrator permanent-magnetic clamp, antivibrator magnet exciting coil, piston component
And damper cover, described antivibrator liquid storage cylinder is connected formation cylinder body with damper cover, and described piston component is located at
In cylinder body, and cylinder body is divided into the first working cylinder and the second working cylinder, described piston component and antivibrator liquid storage cylinder
Form annular gap between inwall, in described piston-rod lower end stretches into the body of rod and be connected with piston component, described
Damper cover offers the connecting pipe interface with antivibrator orifice, and described antivibrator permanent-magnetic clamp is contained in damping
The outer ring of device liquid storage cylinder, had both been possible to prevent magnetic flow liquid to precipitate, in turn ensure that fail safe；Described antivibrator
Magnet exciting coil is contained in the inner ring of antivibrator liquid storage cylinder, big through the damping of the magnetic flow liquid of annular gap for controlling
Little.
Described piston component is respectively equipped with 4 compression compensation valve passages and 4 stretch compensation valve passages, is respectively
Compression and stretching travel shunt, and are respectively equipped with recuperation valve in described compression compensation valve passage and stretch compensation valve passage
Bar, is arranged with recuperation valve spring compensating on valve rod.
Described compensation cylinder includes compensating cylinder shell, compensation cylinder moves piston and compensates cylinder head, described benefit
Repaying cylinder shell and be connected with compensating cylinder head, described compensation cylinder moves piston and is located in compensation cylinder shell, and will mend
Repay and inside cylinder shell, be divided into nitrogen chamber and magnetorheological sap cavity, described compensation cylinder shell offers and connects with nitrogen chamber
Aerating valve port, aerating valve port is arranged compensation cylinder seal plug, described compensation cylinder head offers and magnetic
The compensation cylinder head opening of rheology sap cavity connection, this compensation cylinder head opening and compensation cylinder orifice.
Described compensation cylinder moves and is provided with sealing ring between piston and compensation cylinder shell.
Described magnetic flow liquid intracavity is equipped with magnetic flow liquid.
Described solid platform upper surface offers the fixing groove coincideing with cross over pipe shape, and described cross over pipe is fixed on
In fixing groove.
The described magnetorheological sap cavity compensating cylinder by cross over pipe respectively working cylinder with four antivibrators be connected,
The magnetic flow liquid making magnetic flow liquid intracavity can circulate in compensating cylinder and four antivibrators so that magnetic flow liquid
Circulation path form a stable grid, it is simple to loading corresponding electric current, to carry out the damping force of control system big
Little, increase system stability.
In the present invention, compensating cylinder centrally-disposed, effect is when being necessary by the volume in nitrogen chamber
Change changes the volume of magnetorheological sap cavity, makes magnetic flow liquid be rapidly achieved steady statue, and then makes system quickly reach
To steady statue.
The high sensitivity vibration-isolating platform of the present invention can ensure that the revolute pair in four degree of freedom of moving platform, respectively edge
The moving sets of X, Y, Z axis and revolute pair about the z axis.
Compared with prior art, vibration-isolating platform of the present invention not only solve conventional linear vibrating isolation system isolation low frequency or
Difficult problem during superlow frequency vibrating, also avoids the shortcomings such as vibration-isolating platform structure complexity, manufacturing cost height and power consumption；Vibration isolation
Platform has simple in construction, damping step-less adjustment, it is adaptable to wide frequency domain vibration isolation, can be widely applied to vibration isolation requirement
Strict precision equipment, has good engineering adaptability.Specifically, have the following advantages and beneficial effect:
1, the magnetic flow liquid channel design of communication type, adds piston component and is provided with compression compensation valve passage and draws
Stretch recuperation valve passage, accelerate the response speed of system, improve sensitivity, it is ensured that working in coordination with between each several part
Work；
2, the stiffness and damping of each antivibrator is stepless adjustable；
3, Partial controll and system control to carry out simultaneously, compensate the effect of cylinder in addition, are suitable for multiple frequency domain；
4, the application of permanent-magnetic clamp, can avoid magnetic flow liquid generation sedimentation phenomenon, remain certain damping force,
Fail safe is high.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the present invention；
Fig. 2 is the structural representation two of the present invention；
Fig. 3 is the axial complete section structural representation of the present invention；
Fig. 4 is the moving platform perspective view of the present invention；
Fig. 5 is the axial complete section structural representation of the moving platform of the present invention；
Fig. 6 is piston rod construction schematic diagram；
Fig. 7 is the overall work cavity configuration schematic diagram of the present invention；
Fig. 8 is the cross over pipe perspective view of the present invention；
Fig. 9 is the axial complete section structural representation of the cross over pipe of the present invention；
Figure 10 is the horizontal cross-sectional structural representation of the cross over pipe of the present invention；
Figure 11 is the axial complete section structural representation of the antivibrator of the present invention；
Figure 12 is the axial complete section structural representation compensating cylinder of the present invention；
Figure 13 is that the compensation cylinder of the present invention moves piston structure schematic diagram；
Figure 14 is the solid platform structure schematic diagram of the present invention；
Figure 15 is the four-degree-of-freedom displaying figure of the present invention.
Being labeled as in figure: 1, moving platform, 101, sliding tray, 2, piston rod, 21, roller ball, 3, first
Antivibrator, 31, antivibrator liquid storage cylinder, 32, antivibrator permanent-magnetic clamp, 33 antivibrator magnet exciting coils, 34, piston
Assembly, 341, compression compensation valve passage, 342, stretch compensation valve passage, 343, compensate valve rod, 344, compensate
Valve spring, 35, damper cover, the 36, first working cylinder, the 37, second working cylinder, 38, connecting pipe interface,
39, annular gap, the 4, second antivibrator, 5, fixed platform, 51, fixing groove, 6, object placed side, 7,
4th antivibrator, 8, compensate cylinder assembly, 81, compensate cylinder seal plug, 82, compensate cylinder shell, 83, mend
Repay cylinder and move piston, 84, compensate cylinder head, 85, magnetorheological sap cavity, 86, aerating valve port, 87, nitrogen chamber,
88, sealing ring, 89, compensate cylinder head opening, the 9, the 3rd antivibrator, 10, cross over pipe, 102, unicom pipeline
Permanent-magnetic clamp, 103, unicom pipeline magnet exciting coil, 104, antivibrator interface, 105, compensate cylinder interface, 106,
Cross over pipe passage.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper, as shown in FIG. 1 to 3, bag
Include solid platform 5, moving platform 1, antivibrator, cross over pipe 10, piston rod 2 and compensate cylinder 8, cross over pipe 10
Being fixed on solid platform 5, cross over pipe 10 is criss-cross construction, connects including a compensation cylinder being positioned at center
Mouth 105 and four antivibrator interfaces 104 being positioned at surrounding, compensate cylinder 8 and connect with compensating cylinder interface 105,
Antivibrator is provided with four, the respectively first antivibrator the 3, second antivibrator the 4, the 3rd antivibrator 9 and the 4th damping
Device 7, four antivibrators connect with four antivibrator interfaces 104 respectively, and piston rod 2 lower end is connected in antivibrator,
Upper end is slidably connected with moving platform 1, and moving platform 1 upper surface is object placed side 6.
As shown in Figure 4 to 7, moving platform 1 lower surface offers circular ring type sliding tray 101, and piston rod 2 upper end sets
Having spherical groove, be provided with roller ball 21 in spherical groove, roller ball 21 is located in sliding tray 101, and sliding tray
The path of 101 specification roller balls 21.
As shown in Fig. 7～Figure 10, cross over pipe 10 is assembled by four branch pipe(tube)s and forms criss-cross construction, four
The inner of pipeline is connected to be formed and compensates cylinder interface 105, and the outer end of four branch pipe(tube)s is antivibrator interface 104,
The inside of four branch pipe(tube)s is connected formation cross over pipe passage 106, is respectively provided with and matches on every branch pipe(tube)
Unicom pipeline permanent-magnetic clamp 102 and unicom pipeline magnet exciting coil 103, it is simple to Partial controll.
As shown in Fig. 3, Figure 11, antivibrator includes antivibrator liquid storage cylinder 31, antivibrator permanent-magnetic clamp 32, antivibrator
Magnet exciting coil 33, piston component 34 and damper cover 35, antivibrator liquid storage cylinder 31 is connected shape with damper cover 35
Becoming cylinder body, piston component 34 is located in cylinder body, and cylinder body is divided into the first working cylinder 36 and the second working cylinder 37,
Forming annular gap 39 between piston component 34 and antivibrator liquid storage cylinder 31 inwall, bar is stretched in piston rod 2 lower end
Internal and be connected with piston component 34, damper cover 35 offers the connecting pipe connected with antivibrator interface 104
Interface 38, antivibrator permanent-magnetic clamp 32 is contained in the outer ring of antivibrator liquid storage cylinder 31, has both been possible to prevent magnetic flow liquid to sink
Form sediment, in turn ensure that fail safe；Antivibrator magnet exciting coil 33 is contained in the inner ring of antivibrator liquid storage cylinder 31, is used for
The damping size of the control magnetic flow liquid through annular gap 39.
Piston component 34 is respectively equipped with 4 compression compensation valve passages 341 and 4 stretch compensation valve passages 342,
It is respectively compression and stretching travel shunts, set respectively in compression compensation valve passage 341 and stretch compensation valve passage 342
There is compensation valve rod 343, be arranged with recuperation valve spring 344 compensating on valve rod 343.
As shown in Figure 12 and Figure 13, compensate cylinder 8 and include that compensation cylinder shell 82, compensation cylinder move piston 83
And compensate cylinder head 84, and compensating cylinder shell 82 and be connected with compensating cylinder head 84, compensation cylinder moves piston 83 and sets
In compensating cylinder shell 82, and it is divided into nitrogen chamber 87 and magnetorheological sap cavity 85 by internal for compensation cylinder shell 82, mends
Repay and in cylinder shell 82, offer the aerating valve port 86 connected with nitrogen chamber 87, aerating valve port 86 arranges compensation
Cylinder seal plug 81, compensates and offers, in cylinder head 84, the compensation cylinder head opening connected with magnetorheological sap cavity 85
89, this compensation cylinder head opening 89 connects with compensating cylinder interface 105.Compensate cylinder to move piston 83 and compensate
Sealing ring 88 it is provided with between cylinder shell 82.Magnetorheological sap cavity 85 is built with magnetic flow liquid.
As shown in figure 14, Gu platform 5 upper surface offers the fixing groove 51 coincideing with cross over pipe 10 shape, connection
Siphunculus 10 is fixed in fixing groove 51, arranges fixing groove 51 and is easy to the circulation of magnetic flow liquid.
The high sensitivity vibration-isolating platform of the present invention can ensure that the revolute pair in four degree of freedom of moving platform, respectively edge
The moving sets of X, Y, Z axis and revolute pair about the z axis, as shown in figure 15.
The described magnetorheological sap cavity 85 compensating cylinder 8 by cross over pipe 10 respectively with the working cylinder of four antivibrators
It is connected so that the magnetic flow liquid in magnetorheological sap cavity 85 can circulate in compensating cylinder 8 and four antivibrators,
The circulation path making magnetic flow liquid forms a stable grid, it is simple to loads corresponding electric current and controls and is
The damping force size of system, increases system stability.Compensating cylinder 8 centrally-disposed, effect is necessary
Time changed the volume of magnetorheological sap cavity 85 by the change in volume in nitrogen chamber 87, make magnetic flow liquid be rapidly achieved
Steady statue, and then make system be rapidly achieved steady statue.
The compression of single antivibrator, stretching travel operation principle are as follows:
The compression travel of antivibrator: after energising, when piston rod 2 is stressed F effect, is in compressive state,
Piston component 34 moves to the second working chamber 37 direction, and the magnetic flow liquid part in the second working chamber 37 is passed through
Unicom pipeline interface 38 flows to communicating pipe 10, and a part flows to the first work through annular gap 39 (2mm)
Chamber 36, stable in order to be rapidly achieved, also can flow to through compression compensation valve passage 341 by some magnetic flow liquid
First working chamber 36, the magnetic field that now antivibrator permanent-magnetic clamp 32 and antivibrator magnet exciting coil 33 produce can act on
Both rear so that it is state changes, thus antivibrator has certain incompressible damping force.
The stretching travel of antivibrator: after energising, when piston rod 2 is by pulling force F effect, is in extended state,
Piston component 34 moves to the first working chamber 36 direction, and the magnetic flow liquid part in the first working chamber 36 is passed through
Annular gap 39 (2mm) flows to the second working chamber 37, stable in order to be rapidly achieved, also can some magnetic current
Become liquid stretched recuperation valve passage 342 and flow to the second working chamber 37, now antivibrator permanent-magnetic clamp 32 and antivibrator
The magnetic field that magnet exciting coil 33 produces can act on this two parts magnetic flow liquid so that it is state changes, thus hinders
Buddhist nun's utensil has certain stretch-proof damping force.
Owing to system is to be made up of the antivibrator in parallel of 4 UNICOMs, so when by different active force, can produce
Raw different vibration isolating effect.4 antivibrators may be simultaneously in stretching or compressive state, it is also possible to a part is in
Extended state, a part is in compressive state, regardless of situation, due to cross over pipe and the effect of compensation cylinder,
The system meeting respective relation of real time coordination so that it is reach steady statue as early as possible.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use to send out
Bright.These embodiments obviously easily can be made various amendment by person skilled in the art, and at this
The General Principle illustrated is applied in other embodiments without through performing creative labour.Therefore, the present invention does not limits
In above-described embodiment, those skilled in the art are according to the announcement of the present invention, without departing from changing that scope is made
Entering and revise all should be within protection scope of the present invention.
Claims (9)
1. a high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper, it is characterised in that include
Gu platform (5), moving platform (1), antivibrator, cross over pipe (10), piston rod (2) and compensation cylinder (8),
Described cross over pipe (10) is fixed on solid platform (5), and described cross over pipe (10) is criss-cross construction,
Including compensation cylinder interface (105) being positioned at center and four antivibrator interfaces (104) being positioned at surrounding,
Described compensation cylinder (8) connects with compensating cylinder interface (105), and described antivibrator is provided with four, respectively
Connecting with four antivibrator interfaces (104), described piston rod (2) lower end is connected in antivibrator, upper end with
Moving platform (1) is slidably connected.
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 1 is put down
Platform, it is characterised in that described moving platform (1) lower surface offers circular ring type sliding tray (101), described
Piston rod (2) upper end is provided with spherical groove, is provided with roller ball (21), described roller ball (21) in spherical groove
It is located in sliding tray (101), and the path of sliding tray (101) specification roller ball (21).
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 1 is put down
Platform, it is characterised in that described cross over pipe (10) is assembled by four branch pipe(tube)s and forms criss-cross construction, four
The inner of branch pipe(tube) is connected to be formed and compensates cylinder interface (105), and the outer end of four branch pipe(tube)s is antivibrator interface
(104), the inside of four branch pipe(tube)s is connected and forms cross over pipe passage (106), fills respectively on every branch pipe(tube)
There is the unicom pipeline permanent-magnetic clamp (102) and unicom pipeline magnet exciting coil (103) matched.
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 1 is put down
Platform, it is characterised in that described antivibrator includes antivibrator liquid storage cylinder (31), antivibrator permanent-magnetic clamp (32), resistance
Buddhist nun's device magnet exciting coil (33), piston component (34) and damper cover (35), described antivibrator liquid storage cylinder (31)
Be connected formation cylinder body with damper cover (35), described piston component (34) is located in cylinder body, and is divided by cylinder body
Become the first working cylinder (36) and the second working cylinder (37), described piston component (34) and antivibrator liquid storage cylinder
(31) forming annular gap (39) between inwall, described piston rod (2) lower end is stretched in the body of rod and and piston
Assembly (34) connects, and described damper cover (35) offers the connection connected with antivibrator interface (104)
Pipe joint (38), described antivibrator permanent-magnetic clamp (32) is contained in the outer ring of antivibrator liquid storage cylinder (31), institute
The antivibrator magnet exciting coil (33) stated is contained in the inner ring of antivibrator liquid storage cylinder (31).
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 4 is put down
Platform, it is characterised in that described piston component (34) be respectively equipped with 4 compression compensation valve passages (341) and
4 stretch compensation valve passages (342), are respectively compression and stretching travel shunts, described compression compensation valve passage
(341) and it is respectively equipped with compensation valve rod (343) in stretch compensation valve passage (342), compensates valve rod (343)
On be arranged with recuperation valve spring (344).
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 1 is put down
Platform, it is characterised in that described compensation cylinder (8) includes compensating cylinder shell (82), compensation cylinder moves piston
(83) and compensate cylinder head (84), described compensation cylinder shell (82) with compensation cylinder head (84) be connected,
Described compensation cylinder moves piston (83) and is located in compensation cylinder shell (82), and will compensate cylinder shell (82)
Inside is divided into nitrogen chamber (87) and magnetorheological sap cavity (85), described compensation cylinder shell (82) offers with
The aerating valve port (86) that nitrogen chamber (87) connects, arranges compensation cylinder seal plug (81) on aerating valve port (86),
Compensation cylinder head opening (89) connected with magnetorheological sap cavity (85) is offered in described compensation cylinder head (84),
This compensation cylinder head opening (89) connects with compensating cylinder interface (105).
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 6 is put down
Platform, it is characterised in that described compensation cylinder moves and is provided with between piston (83) and compensation cylinder shell (82)
Sealing ring (88).
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 6 is put down
Platform, it is characterised in that described magnetorheological sap cavity (85) is built with magnetic flow liquid.
A kind of high sensitivity vibration isolation based on communication type magnetic rheological liquid damper the most according to claim 1 is put down
Platform, it is characterised in that described solid platform (5) upper surface offers and consolidating that cross over pipe (10) shape is coincide
Determining groove (51), described cross over pipe (10) is fixed in fixing groove (51).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510189716.5A CN104791411B (en) | 2015-04-20 | 2015-04-20 | A kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper |
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| CN201510189716.5A CN104791411B (en) | 2015-04-20 | 2015-04-20 | A kind of high sensitivity vibration-isolating platform based on communication type magnetic rheological liquid damper |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1767255A1 (en) * | 1990-12-13 | 1992-10-07 | Научно-исследовательский институт электронных вычислительных машин | Damping device |
| US5573088A (en) * | 1994-05-10 | 1996-11-12 | Daniels; John J. | Controllable resistance device and force dampener, and vehicle utilizing the same |
| JPH09137849A (en) * | 1995-11-14 | 1997-05-27 | Kawasaki Heavy Ind Ltd | Base isolator |
| CN101476611B (en) * | 2008-10-24 | 2010-06-16 | 北京航空航天大学 | Six-freedom large-amplitude vibration active isolation platform |
| CN101526118A (en) * | 2009-01-13 | 2009-09-09 | 上海微电子装备有限公司 | Vibration damping supporting device |
| DK2325522T3 (en) * | 2009-11-20 | 2013-03-25 | Eads Deutschland Gmbh | Shock-insulating structure |
| CN104214484B (en) * | 2014-08-01 | 2016-04-27 | 安徽工程大学 | A kind of six-degree-of-freedom parallel connection mechanism vibration reduction platform |
| CN104500646B (en) * | 2014-12-22 | 2016-08-24 | 东莞中国科学院云计算产业技术创新与育成中心 | Boats and ships intelligence vibrationproof 3D printer |
-
2015
- 2015-04-20 CN CN201510189716.5A patent/CN104791411B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749799A (en) * | 2018-06-15 | 2018-11-06 | 孔李南 | A kind of vehicle-mounted vacuum pump damping device |
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| CN104791411A (en) | 2015-07-22 |
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