CN104776153B - MR mount based on unidirectionally extruded pattern - Google Patents
MR mount based on unidirectionally extruded pattern Download PDFInfo
- Publication number
- CN104776153B CN104776153B CN201510192148.4A CN201510192148A CN104776153B CN 104776153 B CN104776153 B CN 104776153B CN 201510192148 A CN201510192148 A CN 201510192148A CN 104776153 B CN104776153 B CN 104776153B
- Authority
- CN
- China
- Prior art keywords
- flow liquid
- magnetic flow
- core assembly
- connecting rod
- coil base
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of MR mount based on unidirectionally extruded pattern, including housing, it is plugged in rubber spring at housing tip opening, the reinforcing plate being embedded in rubber spring top surface and the connecting rod running through whole suspension；It is characterized in that housing is to be fixedly connected, by upper bracket, lower carriage and intermediate base, the framework constituting；It is provided with core assembly, including the reverse mounted coil base in upper bracket bottom surface, magnet exciting coil is embedded in the groove in coil base in framework；One magnetic flow liquid chamber that is airtight and being full of magnetic flow liquid is collectively forming with the bottom end face of lower carriage and intermediate base and core assembly, the extruding disk being fixed in connecting rod is located in magnetic flow liquid chamber, and magnetic flow liquid is operated in suspension springback process with unidirectionally extruded pattern.The present invention can realize larger dynamic stiffness range of accommodation and less null field dynamic stiffness, is effectively improved suspension system high-frequency vibration isolation performance and low frequency relative displacement control performance.
Description
Technical field
The present invention relates to the use of the technical field that magnetic flow liquid carries out vibration damping, more particularly, to one kind is used for automobile, steamer, work
The magnetic flow liquid extruding suspension of the Engine Mounting Systems such as journey machinery.
Background technology
Magnetic flow liquid is a kind of intellectual material with rheological behavior, that is, under extraneous the action of a magnetic field, magnetorheological fluid materials
Attribute, especially viscosity can quick between Newtonian fluid and semi-solid state, reversibly adjust.MR mount is magnetic
Rheology liquid typical case application one of, this half active actuators have the response speed of Millisecond, damping force is big, structure is simple,
Good endurance, power consumption be low and substituting good feature, under external magnetic field control, it is possible to achieve MR mount rigidity and
The real-time regulation of damping.
Common MR mount is operated in flow pattern mostly, on the basis of conventional hydraulic suspension, using magnetic current
Become liquid and substitute intracavity hydraulic oil, by the design of additional magnetic circuit, realize the regulation of suspension damping.This flow pattern magnetorheological
Liquid suspends, and on the one hand needs to increased the production cost of suspension using substantial amounts of magnetic flow liquid；On the other hand even with decoupling
Device, be also not fee from during dither because fluid inertia act on and increase the damping of suspension, deteriorate suspension anti-vibration performance, simultaneously by
Relatively small in engine luggine amplitude, suspension damping force adjustable extent is smaller.
Based on this, Chinese invention patent " magnetorheological hydraulic engine mount based on squeeze mode ", publication number：
A kind of extruding suspension of the magnetic flow liquid for automobile power assembly suspension system is disclosed, in this suspension in CN103148158A
It is provided with extruding pole plate and inertia channel and decoupling film up and down it is achieved that control to top clearance magnetic field intensity, and then to control
The dynamic stiffness of suspension, but the inertia channel structure adopting in suspension can produce magnetic flow liquid high-frequency resonance phenomenon, deteriorates suspension
High-frequency vibration isolation performance.Chinese invention patent " magnetorheological hydraulic engine mount based on mixed model ", publication number：
A kind of magnetorheological hydraulic engine mount of mixed model is disclosed, in extruding pole plate and extruding coil holder in CN104088955A
Between form squeezed air-damping passage, form flow damping passage between outer magnetic core and flowing coil holder, using flow pattern and
The mixed model structure of squeeze mode, increased the adjustable extent of damping force, improving the vibration isolation capability suspending, but damp channel
Using the high-frequency vibration isolation performance that also can deteriorate suspension, and magnetic flow liquid squeeze mode is operated in suspension compression process, unfavorable
Control in suspension relative displacement.Both the above patent all employ substantial amounts of magnetic flow liquid, reduces the use of magnetic flow liquid
Efficiency, improves production cost.
Content of the invention
The present invention is for avoiding the weak point existing for above-mentioned prior art, provide a kind of based on unidirectionally extruded pattern
MR mount, makes to be suspended at while have larger dynamic stiffness range of accommodation, possesses less null field dynamic stiffness, improves
The high-frequency vibration isolation performance of suspension system.
The present invention is to solve technical problem to adopt the following technical scheme that：
The version of the MR mount based on unidirectionally extruded pattern for the present invention is including the housing of top end opening, envelope
Block up the rubber spring at housing tip opening, be embedded in the reinforcing plate with top union joint of rubber spring top surface and pass through
Wear the connecting rod of whole suspension；
The present invention is structurally characterized in that：Described housing be by upper bracket, lower carriage and be located at upper bracket and lower carriage it
Between tubular intermediate base be bolted to connection the framework of composition；It is provided with core assembly in described framework, described magnetic
Core assembly includes by the reverse mounted coil base in upper bracket bottom surface of screw, and magnet exciting coil embeds from the bottom surface of coil base
In the groove in described coil base, closure pad is set in the bottom of described magnet exciting coil, to block pad and coil base
The bottom surface of seat collectively forms the bottom end face of core assembly；Described lower carriage is set to the bathtub construction in inner concave, with described
The bottom end face of the inner concave of lower carriage and the bottom end face of intermediate base and core assembly be collectively forming one airtight and fill
The magnetic flow liquid chamber of full magnetic flow liquid；The extruding disk being fixedly installed in connecting rod is located in described magnetic flow liquid chamber,
Form effective top clearance between described extruding disk and the bottom end face of core assembly, magnetic flow liquid is with unidirectionally extruded pattern
It is operated in suspension springback process.
The construction featuress of the MR mount based on unidirectionally extruded pattern for the present invention lie also in：
Described coil base and extruding disk are all made up of high permeability material, by described extruding disk and lower carriage
No magnetic field in the top clearance that top surface is formed；Described connecting rod is made up of non-magnet material, the top screw thread of described connecting rod
It is connected in reinforcing plate, the bottom intercalation of connecting rod is at the Pen Di center of described lower carriage.
Liquid injection hole with magnetorheological chamber insertion and steam vent are respectively provided with the basin bottom of described lower carriage.
Thicken the basin bottom of setting lower carriage, and described basin bottom is set to externally threaded connection end, using described company
Connect end to be fixedly connected suspension with the screwed hole with setting angle.
Another version of the MR mount based on unidirectionally extruded pattern for the present invention is the shell including top end opening
Body, the reinforcing plate with top union joint being plugged in rubber spring at housing tip opening, being embedded in rubber spring top surface
And run through the whole connecting rod suspending, it is characterized in that：Described housing is by upper bracket and the back cover pedestal with cylindrical cavity
It is bolted to connection the framework of composition；Core assembly is placed in the cylindrical cavity of back cover pedestal, described core assembly bag
Include the coil base being placed on described cylindrical cavity bottom, magnet exciting coil is inlaid in described coil base from the top surface of coil base
In groove in, the top of described magnet exciting coil arrange closure pad, with the common structure of top surface blocking pad and coil base
Become the top end face of core assembly；Top by the top end face, the bottom surface of upper bracket and back cover pedestal of described core assembly
Inner peripheral surface is collectively forming a magnetic flow liquid chamber that is airtight and being full of magnetic flow liquid；It is fixedly installed on the extruding in connecting rod
Disk is located in described magnetic flow liquid chamber, is formed and effectively extrude between described extruding disk and the top end face of core assembly
Gap, magnetic flow liquid is operated in suspension compression process with unidirectionally extruded pattern.
Described coil base and extruding disk are all made up of high permeability material, by described extruding disk and upper bracket
No magnetic field in the top clearance that bottom surface is formed；Described connecting rod is made up of non-magnet material, the top screw thread of described connecting rod
It is connected in reinforcing plate, the bottom intercalation of connecting rod is in described coil base.
It is respectively provided with the liquid injection hole with magnetic flow liquid chamber insertion and steam vent in the side wall of described back cover pedestal.
Compared with the prior art, the present invention has the beneficial effect that：
1st, the present invention has been equipped with gum elastic assembly and magnetic flow liquid extruding assembly, big according to magnetic flow liquid extruding force
Feature, have matched rigidity and damp less rubber spring so that in semi-active control aystem, MR mount has
Larger dynamic stiffness range of accommodation and less null field dynamic stiffness are so that suspension system has good anti-vibration performance and suspension phase
To displacement control performance；
2nd, the present invention setting core assembly be connected by screw reverse mounted on upper bracket, the unidirectionally extruded mould of magnetic flow liquid
Formula is operated in suspension springback process, is beneficial to suspend the control of relative displacement；
3rd, the present invention has abandoned the structure that conventional hydraulic suspends two hydraulic cavities, only comprises one by intermediate base, magnetic core
Assembly and the confining liquid room of lower carriage composition, reduce the loading of magnetic flow liquid, improve the service efficiency of magnetic flow liquid, keep away
Exempt from because fluid high-frequency resonance produces larger suspension damping and deteriorated the anti-vibration performance of suspension；
4th, in the present invention, magnet exciting coil is fixed in the groove of coil base, so can more easily protect electromagnetic wire
Circle, will not lead to the fatigue damage of magnet exciting coil or lead due to the reciprocating motion of connecting rod；
5th, the bottom of lower carriage is thickened and be provided with the connection end with installation screw thread so that the suspension of the present invention can be with band
The screwed hole having setting angle is fixedly connected it is easy to assemble.
Brief description
Fig. 1 a is first embodiment of the invention Standard top view；Fig. 1 b is the A-A profile of Fig. 1 a；
Fig. 2 a is the upward view of lower carriage in invention first embodiment；Fig. 2 b is the B-B profile of Fig. 2 a；
Fig. 3 a is invention first embodiment coil pedestal upward view；Fig. 3 b is the C-C profile of Fig. 3 a；
Fig. 4 a is intermediate base top view in invention first embodiment；Fig. 4 b is the D-D profile of Fig. 4 a；
Fig. 5 a is second embodiment of the invention Standard top view；Fig. 5 b is the E-E profile of Fig. 5 a.
In figure label：1 lower carriage, 2 extruding disks, 3 second bolts, 4 is O-ring seal, 5 coil base, 6 excitation wire
Circle, 7 upper brackets, 8 connecting rods, 9 reinforcing plates, 10 rubber springs, 11 first bolts, 12 screws, 13 intermediate bases, 14 first is U-shaped
Sealing ring, 15 rubber sheet gaskets, 16 closure pads, 17 liquid injection holes, 18 second U-shaped sealing rings, 19 steam vents, 20 back cover pedestals.
Specific embodiment
Referring to Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, Fig. 3 a, Fig. 3 b, Fig. 4 a and Fig. 4 b, in the present embodiment, it is based on unidirectionally extruded mould
The MR mount of formula, including the housing of top end opening, is plugged in rubber spring 10 at housing tip opening, is embedded in rubber
The reinforcing plate 9 with top union joint of the main spring of glue 10 top surface, and run through the connecting rod 8 of whole suspension；In the present embodiment, such as
Shown in Fig. 1 b, housing is by upper bracket 7, lower carriage 1 and to be located at the tubular intermediate base 13 between upper bracket 7 and lower carriage 1
It is bolted to connection the framework of composition, be fixedly connected with the first bolt 11 including between upper bracket 7 and intermediate base 13,
It is fixedly connected with the second bolt 3 between lower carriage 1 and intermediate base 13；It is provided with core assembly, core assembly in framework
Including by the reverse mounted coil base 5 in upper bracket 7 bottom surface of screw 12, magnet exciting coil 6 embeds from the bottom surface of coil base 5
In the groove in coil base 5, there are multiple screwed holes in the bottom of groove, magnet exciting coil 6 is to be connected to by screw 12
On support 7, closure pad 16 is set in the bottom of magnet exciting coil 6, closure pad 16 interference fit is arranged in groove in order to solid
Determine magnet exciting coil 6, collectively form the bottom end face of core assembly with the bottom surface blocking pad 16 and coil base 5；As Fig. 2 b institute
Show, lower carriage 1 is set to the bathtub construction in inner concave, with the bottom end face of the inner concave of lower carriage 1 and intermediate base 13, with
And the bottom end face of core assembly be collectively forming one airtight and full of magnetic flow liquid magnetic flow liquid chamber, magnetic flow liquid with
Between rubber spring 10, obstruct is formed by core assembly, intermediate base 13 and upper bracket 7；It is fixedly installed in connecting rod 8
Extruding disk 2 is located in magnetic flow liquid chamber, is formed between effectively extruding between extruding disk 2 and the bottom end face of core assembly
Gap, magnetic flow liquid is operated in suspension springback process with unidirectionally extruded pattern；In order to avoid magnetic flow liquid leakage, in intermediate base
Install rubber sheet gasket 15 between 13 and lower carriage 1 additional, the first U-shaped sealing ring 14 is set between coil base 5 and connecting rod 8,
Between lower carriage 1 and connecting rod 8, second U-shaped sealing ring 18 is set, between the outer circumference surface and intermediate base 13 of coil base 5
Setting O-ring seal 4.
In being embodied as, coil base 5 and extruding disk 2 are all made up of high permeability material, by extruding disk 2 with
No magnetic field in the top clearance that the top surface of support 1 is formed；Connecting rod 8 is made up of non-magnet material, the top screw thread of connecting rod 8
It is connected in reinforcing plate 9, the bottom intercalation of connecting rod 8, at the Pen Di center of described lower carriage 1, divides on the basin bottom of lower carriage 1
She Zhi not be with the liquid injection hole 17 of magnetorheological chamber insertion and steam vent 19；Thicken the basin bottom of setting lower carriage 1, and basin bottom is arranged
It is with externally threaded connection end, using connection end, suspension is fixedly connected with the screwed hole with setting angle.
Because same motor body is to be rigidly connected, the vibration of electromotor can drive extruding disk 2 extruding magnetic flow liquid,
Under the external excitation function of current, when connecting rod 8 moves downward, extruding disk 2 extruding bottom magnetic flow liquid, now only produce stream
Bulk viscosity damping action, suspension has less damping, and when connecting rod 8 is moved upwards, extruding disk 2 extruding top is magnetorheological
Liquid, now not only produces fluid viscosity damping action, also includes the extruding mode of operation of magnetic flow liquid, and suspension has larger resistance
Buddhist nun.
Extruding disk 2 depends on suspension system with the initial compression gap of core assembly lower end, and is confined to suspension
Static load displacement, under suspension overall dimensions constraint, top clearance is less, and suspension damping force is bigger.
Fig. 5 a and Fig. 5 b show another embodiment structural representation, and it includes the housing of top end opening, is plugged in shell
Rubber spring 10 at body top end opening, it is embedded in the reinforcing plate 9 with top union joint of rubber spring 10 top surface and passes through
Wear the connecting rod 8 of whole suspension；In structure shown in Fig. 5 b, housing is by upper bracket 7 and the back cover pedestal 20 with cylindrical cavity
It is bolted to connection the framework of composition；Core assembly is placed in the cylindrical cavity of back cover pedestal 20, and core assembly includes
It is placed on the coil base 5 of cylindrical cavity bottom, magnet exciting coil 6 is inlaid in recessed in coil base 5 from the top surface of coil base 5
In groove, closure pad 16 is set at the top of magnet exciting coil 6, magnetic is collectively formed with the top surface blocking pad 16 and coil base 5
The top end face of core assembly；Top inner periphery by the top end face, the bottom surface of upper bracket 7 and back cover pedestal 20 of core assembly
Face be collectively forming one airtight and full of magnetic flow liquid magnetic flow liquid chamber, between magnetic flow liquid and rubber spring 10 by
Support 7 forms and intercepts；Be fixedly installed on extruding disk 2 in connecting rod 8 to be located in magnetic flow liquid chamber, extruding disk 2 with
Form effective top clearance, it is compressed that magnetic flow liquid is operated in suspension with unidirectionally extruded pattern between the top end face of core assembly
Cheng Zhong；In present embodiment, coil base 5 and extruding disk 2 are all made up of high permeability material, by extruding disk 2 with
No magnetic field in the top clearance that the bottom surface of support 7 is formed；Connecting rod 8 is made up of non-magnet material, the top screw thread of connecting rod 8
Be connected in reinforcing plate 9, the bottom intercalation of connecting rod 8 in coil base 5, be respectively provided with the side wall of back cover pedestal 20 with
The liquid injection hole 17 of magnetic flow liquid chamber insertion and steam vent 19.
Claims (5)
1. a kind of MR mount based on unidirectionally extruded pattern, including the housing of top end opening, is plugged in housing tip and opens
Mouthful at rubber spring (10), be embedded in the reinforcing plate (9) with top union joint of rubber spring (10) top surface and run through
The connecting rod (8) of whole suspension；It is characterized in that：Described housing is by upper bracket (7), lower carriage (1) and to be located at upper bracket (7)
Tubular intermediate base (13) and lower carriage (1) between is bolted to connection the framework of composition；Arrange in described framework
There is core assembly, described core assembly includes by the reverse mounted coil base (5) in upper bracket (7) bottom surface of screw (12),
Magnet exciting coil (6) is embedded in the groove in described coil base (5) from the bottom surface of coil base (5), in described magnet exciting coil
(6) bottom setting closure pad (16), collectively forms core assembly with the bottom surface blocking pad (16) and coil base (5)
Bottom end face；Described lower carriage (1) is set to the bathtub construction in inner concave, with the inner concave of described lower carriage (1) and centre
The bottom end face of the bottom end face of pedestal (13) and core assembly is collectively forming a magnetic current that is airtight and being full of magnetic flow liquid
Become sap cavity room；The extruding disk (2) being fixedly installed in connecting rod (8) is located in described magnetic flow liquid chamber, in described extruding
Disk (2) forms effective top clearance and the bottom end face of core assembly between, and magnetic flow liquid is operated in unidirectionally extruded pattern
In suspension springback process；
Described coil base (5) and extruding disk (2) be all made up of high permeability material, by described extruding disk (2) with
No magnetic field in the top clearance that the top surface of support (1) is formed；Described connecting rod (8) is made up of non-magnet material, described connection
The top of bar (8) is threaded in reinforcing plate (9), and the bottom intercalation of connecting rod (8) is in the basin bottom of described lower carriage (1)
The heart.
2. the MR mount based on unidirectionally extruded pattern according to claim 1, is characterized in that：In described lower carriage
(1) liquid injection hole (17) with magnetic flow liquid chamber insertion and steam vent (19) are respectively provided with basin bottom.
3. the MR mount based on unidirectionally extruded pattern according to claim 1 and 2, is characterized in that：Thicken setting
The basin bottom of lower carriage (1), and described basin bottom is set to, with externally threaded connection end, will suspend and band using described connection end
The screwed hole having setting angle is fixedly connected.
4. a kind of MR mount based on unidirectionally extruded pattern, including the housing of top end opening, is plugged in housing tip and opens
Mouthful at rubber spring (10), be embedded in the reinforcing plate (9) with top union joint of rubber spring (10) top surface and run through
The connecting rod (8) of whole suspension, is characterized in that：Described housing is by upper bracket (7) and the back cover pedestal with cylindrical cavity
(20) it is bolted to connection the framework of composition；Core assembly is placed in the cylindrical cavity of back cover pedestal (20), described magnetic
Core assembly includes the coil base (5) being placed on described cylindrical cavity bottom, the top surface from coil base (5) for the magnet exciting coil (6)
It is inlaid in the groove in described coil base (5), closure pad (16) is set at the top of described magnet exciting coil (6), to seal
The top surface of stifled pad (16) and coil base (5) collectively forms the top end face of core assembly；Top by described core assembly
The top inner peripheral surface of end face, the bottom surface of upper bracket (7) and back cover pedestal (20) be collectively forming one airtight and be full of magnetic current
Become the magnetic flow liquid chamber of liquid；The extruding disk (2) being fixedly installed in connecting rod (8) is located in described magnetic flow liquid chamber,
Form effective top clearance between described extruding disk (2) and the top end face of core assembly, magnetic flow liquid is with unidirectionally extruded
Pattern is operated in suspension compression process；
Described coil base (5) and extruding disk (2) be all made up of high permeability material, by described extruding disk (2) with upper
No magnetic field in the top clearance that the bottom surface of support (7) is formed；Described connecting rod (8) is made up of non-magnet material, described connection
The top of bar (8) is threaded in reinforcing plate (9), and the bottom intercalation of connecting rod (8) is in described coil base (5).
5. the MR mount based on unidirectionally extruded pattern according to claim 4, is characterized in that：In described back cover base
It is respectively provided with liquid injection hole (17) and the steam vent (19) with magnetic flow liquid chamber insertion in the side wall of seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192148.4A CN104776153B (en) | 2015-04-21 | 2015-04-21 | MR mount based on unidirectionally extruded pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192148.4A CN104776153B (en) | 2015-04-21 | 2015-04-21 | MR mount based on unidirectionally extruded pattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104776153A CN104776153A (en) | 2015-07-15 |
| CN104776153B true CN104776153B (en) | 2017-03-08 |
Family
ID=53617811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192148.4A Active CN104776153B (en) | 2015-04-21 | 2015-04-21 | MR mount based on unidirectionally extruded pattern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104776153B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594159B (en) * | 2016-12-16 | 2019-05-31 | 合肥工业大学 | A kind of magneto-rheological combined suspension for realizing three-dimensional vibration isolation |
| CN110259873B (en) * | 2019-06-28 | 2021-03-02 | 重庆交通大学 | Mixed-mode magneto-rheological vibration isolator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE817978C (en) * | 1950-08-22 | 1951-10-22 | Werner Genest | Vibration damper |
| JP4638921B2 (en) * | 2008-03-26 | 2011-02-23 | 本田技研工業株式会社 | Damping force variable device |
| CN101324257B (en) * | 2008-07-11 | 2010-04-07 | 重庆大学 | Controllable vibration isolator based on magnetic current change elastic element and damping element coupled action |
| CN104266821B (en) * | 2014-10-17 | 2016-09-21 | 吉林大学 | A kind of bellows magnetic flow liquid extruding flowing dynamics characteristic test device |
| CN104458203B (en) * | 2014-11-05 | 2017-01-25 | 吉林大学 | Piston type testing device for squeezing flow dynamic characteristics of magnetorheological fluid |
-
2015
- 2015-04-21 CN CN201510192148.4A patent/CN104776153B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104776153A (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106594159B (en) | A kind of magneto-rheological combined suspension for realizing three-dimensional vibration isolation | |
| CN102367858B (en) | Magneto-rheological friction type hybrid damper | |
| CN104595412B (en) | Double-barrel structure magneto-rheological vibration damper based on flow pattern | |
| CN101324257A (en) | Controllable vibration isolator based on magnetic current change elastic element and damping element coupled action | |
| CN107956835B (en) | Controllable damping molecule spring vehicle suspension | |
| CN104088955A (en) | Engine magneto-rheological hydraulic mount based on mixed mode | |
| CN107882915B (en) | Integrated magneto-rheological damper with built-in distance sensor for displacement detection | |
| CN104776153B (en) | MR mount based on unidirectionally extruded pattern | |
| WO2018177102A1 (en) | Vibration damper and laundry machine comprising same | |
| CN106438807A (en) | Rod type solid particle friction damper | |
| CN103470674A (en) | Inner-channel vehicle suspension system magnetorheological damper | |
| CN201037520Y (en) | Magnetorheological fluids vibration damper for automobile engine | |
| CN106402254B (en) | A kind of valve type magneto-rheological fluid suspension of internal bypass road | |
| CN202220821U (en) | Magneto-rheological type and friction type mixed damper | |
| CN204025493U (en) | A kind of half active particles damping rubber suspension for automobile power assembly | |
| KR20090055930A (en) | Hydraulic engine mounting unit | |
| CN206592473U (en) | A kind of packing machine damping device | |
| CN108105313A (en) | Air cushion shock absorber based on magnet controlled damping | |
| CN102777531B (en) | Pressure-stabilizing variable frequency damper | |
| CN218935125U (en) | Asymmetric magneto-rheological damper without mechanical valve | |
| CN115263992A (en) | Three-way wide-frequency large-load vibration reduction device based on frequency-adjustable vibration absorption and active vibration isolation | |
| CN208138376U (en) | A kind of interior wound MR damper of multi-cylinder cylinder linkage | |
| CN206617498U (en) | Simultaneously using double sleeve shock absorbers of two kinds of working medias of hydraulic oil and magnetic flow liquid | |
| CN108547908B (en) | A kind of interior wound MR damper of multi-cylinder cylinder linkage | |
| CN207330148U (en) | A kind of lifting equipment damping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |