CN104776153A - Magnetorheological fluid suspension based on unidirectional pressing mode - Google Patents
Magnetorheological fluid suspension based on unidirectional pressing mode Download PDFInfo
- Publication number
- CN104776153A CN104776153A CN201510192148.4A CN201510192148A CN104776153A CN 104776153 A CN104776153 A CN 104776153A CN 201510192148 A CN201510192148 A CN 201510192148A CN 104776153 A CN104776153 A CN 104776153A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- core assembly
- face
- lower support
- magnetic flow
- 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.)
- Granted
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 magnetorheological fluid suspension based on a unidirectional pressing mode, which comprises a housing, a rubber spring, a reinforcing plate and a connecting rod, wherein the rubber spring is plugged in the opening of the top end of the housing, the reinforcing plate is embedded in the top surface of the rubber spring, and the connecting rod runs through the entire suspension. The magnetorheological fluid suspension is characterized in that the housing is a frame which comprises an upper support, a lower support and a middle base fixedly connected with one another; a magnet core assembly is arranged in the frame, the magnet core assembly comprises a coil base which is mounted upside down at the bottom of the upper support, and an excitation coil is embedded in a groove in the coil base; the lower support, the middle base and the bottom surface of the magnet core assembly jointly define a magnetorheological fluid chamber which is closed and filled up with magnetorheological fluid, a pressing disk fixed on the connecting rod is located in the magnetorheological fluid chamber, and the magnetorheological fluid works in the unidirectional pressing mode in the process of suspension resilience. The magnetorheological fluid suspension can realize a wide dynamic stiffness adjustment range and low zero-field dynamic stiffness and effectively improve the high-frequency vibration isolation performance and low-frequency relative displacement control performance of a suspension system.
Description
Technical field
The present invention relates to the technical field utilizing magnetic flow liquid to carry out vibration damping, particularly relate to a kind of magnetic flow liquid for Engine Mounting Systems such as automobile, steamer, engineering machinery extruding suspension.
Background technique
Magnetic flow liquid is a kind of intellectual material with rheological properties, and namely under extraneous magnetic fields, magnetorheological fluid materials attribute, especially viscosity can regulate fast, reversibly between Newtonian fluid and semi-solid state.MR mount is one of typical apply of magnetic flow liquid, this half active actuators have Millisecond speed of response, damping force is large, structure is simple, good endurance, power consumption are low and substituting good feature, under extraneous Magnetic control, the real-time adjustment of MR mount rigidity and damping can be realized.
Common MR mount is operated in flow pattern mostly, on the basis of conventional hydraulic suspension, utilizes hydraulic oil in magnetic flow liquid alternative cavity, by the design of additional magnetic circuit, realizes the adjustment of suspension damping.The MR mount of this flow pattern, needs on the one hand to use a large amount of magnetic flow liquids, adds the cost of production of suspension; Even if on the other hand use decoupler, increase the damping of suspension when also keeping away unavoidable dither because of fluid inertia effect, worsen suspension anti-vibration performance, simultaneously because engine luggine amplitude is relatively little, suspension damping force adjustable extent is smaller.
Based on this, Chinese invention patent " magnetorheological hydraulic engine mount based on squeeze mode ", publication number: in CN103148158A, disclose a kind of magnetic flow liquid for automobile power assembly suspension system extruding suspension, be provided with in this suspension and extrude pole plate and inertia channel and decoupling zero film up and down, achieve the control to top clearance magnetic intensity, and then control the dynamic stiffness of suspension, but the inertia channel structure adopted in suspension can produce magnetic flow liquid high-frequency resonance phenomenon, worsen the high-frequency vibration isolation performance of suspension.Chinese invention patent " magnetorheological hydraulic engine mount based on mixed mode ", publication number: the magnetorheological hydraulic engine mount disclosing a kind of mixed mode in CN104088955A, squeezed air-damping passage is formed between extruding pole plate and extruded threads ring support, flow damping passage is formed outside between magnetic core and line of flow ring support, adopt the mixed mode structure of flow pattern and squeeze mode, add the adjustable extent of damping force, improve the vibration isolation capability of suspension, but the use of damp channel also can worsen the high-frequency vibration isolation performance of suspension, and magnetic flow liquid squeeze mode is operated in suspension compression process, be unfavorable for the control suspending relative displacement.Above two kinds of patents all employ a large amount of magnetic flow liquids, reduce the utilization efficiency of magnetic flow liquid, improve cost of production.
Summary of the invention
The present invention is the deficiency for avoiding existing for above-mentioned prior art, a kind of MR mount based on unidirectionally extruded pattern is provided, while making to be suspended at and having larger dynamic stiffness regulation range, possess less null field dynamic stiffness, improve the high-frequency vibration isolation performance of suspension system.
The present invention is that technical solution problem adopts following technological scheme:
The structural type that the present invention is based on the MR mount of unidirectionally extruded pattern be comprise open-topped housing, be plugged in housing tip opening rubber spring, be embedded in the stiffening plate with top connecting head of rubber spring end face and run through the connecting rod of whole suspension;
Structural feature of the present invention is: described housing is bolted to connection by upper bracket, lower support frame and the tubular intermediate base between upper bracket and lower support frame the framework formed; Core assembly is provided with in described framework, described core assembly comprises is inverted by screw the coil base being arranged on upper bracket bottom surface, field coil is embedded in the groove in described coil base from the bottom surface of coil base, shutoff pad is set in the bottom of described field coil, is jointly formed the bottom end face of core assembly with the bottom surface of shutoff pad and coil base; Described lower support frame is set to the bathtub construction in inner concave, with the inner concave of described lower support frame and the bottom end face of intermediate base and the bottom end face of core assembly jointly formed one airtight and be full of the magnetic flow liquid chamber of magnetic flow liquid; The extruding disk be fixedly installed on connecting rod is arranged in described magnetic flow liquid chamber, between described extruding disk and the bottom end face of core assembly, form effective top clearance, and magnetic flow liquid is suspending in springback process with unidirectionally extruded work pattern.
The structural feature that the present invention is based on the MR mount of unidirectionally extruded pattern is also:
Described coil base and extruding disk are all be made up of high permeability material, without magnetic field in the top clearance that the end face by described extruding disk and lower support frame is formed; Described connecting rod is made up of non-magnet material, and the top of described connecting rod is threaded on stiffening plate, and the bottom intercalation of connecting rod is at the Pen Di center of described lower support frame.
On at the bottom of the basin of described lower support frame, the liquid filling hole through with magnetorheological chamber and exhaust port are set respectively.
Thicken at the bottom of the basin that lower support frame is set, and will be set to externally threaded connecting end at the bottom of described basin, utilize described connecting end suspension to be fixed with the tapped hole with setting angle and be connected.
Another structural type that the present invention is based on the MR mount of unidirectionally extruded pattern be comprise open-topped housing, be plugged in housing tip opening rubber spring, be embedded in the stiffening plate with top connecting head of rubber spring end face and run through the connecting rod of whole suspension, it is characterized in that: described housing is bolted to connection by upper bracket and the back cover pedestal with cylindrical cavity the framework formed; Core assembly is placed in the cylindrical cavity of back cover pedestal, described core assembly comprises the coil base be placed on bottom described cylindrical cavity, field coil is inlaid in the groove in described coil base from the end face of coil base, shutoff pad is set at the top of described field coil, is jointly formed the top end face of core assembly with the end face of shutoff pad and coil base; By the top inner peripheral surface of the top end face of described core assembly, the bottom surface of upper bracket and back cover pedestal jointly formed one airtight and be full of the magnetic flow liquid chamber of magnetic flow liquid; The extruding disk be fixedly installed on connecting rod is arranged in described magnetic flow liquid chamber, between described extruding disk and the top end face of core assembly, form effective top clearance, and magnetic flow liquid is suspending in compression process with unidirectionally extruded work pattern.
Described coil base and extruding disk are all be made up of high permeability material, without magnetic field in the top clearance that the bottom surface by described extruding disk and upper bracket is formed; Described connecting rod is made up of non-magnet material, and the top of described connecting rod is threaded on stiffening plate, and the bottom intercalation of connecting rod is in described coil base.
In the sidewall of described back cover pedestal, the liquid filling hole through with magnetic flow liquid chamber and exhaust port are set respectively.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention has been equipped with elastic caoutchouc assembly and magnetic flow liquid extruding assembly, the feature large according to magnetic flow liquid extruding force, have matched rigidity and the less rubber spring of damping, make in semi-active control aystem, MR mount has larger dynamic stiffness regulation range and less null field dynamic stiffness, makes suspension system have good anti-vibration performance and suspension relative displacement control performance;
2, the present invention arranges core assembly and is connected by screw inversion and is arranged on upper bracket, and the unidirectionally extruded work pattern of magnetic flow liquid, at suspension springback process, is of value to the control of suspension relative displacement;
3, the present invention has abandoned the structure that conventional hydraulic suspends two hydraulic pressure cavity, only comprise a closed liquid chamber be made up of intermediate base, core assembly and lower support frame, reduce the loading of magnetic flow liquid, improve the utilization efficiency of magnetic flow liquid, avoid the anti-vibration performance worsening suspension because fluid high-frequency resonance produces larger suspension damping;
4, in the present invention, field coil is fixed in the groove of coil base, more easily can protect electromagnetic coil like this, can not cause the fatigue damage of field coil or lead-in wire due to the to-and-fro motion of connecting rod;
5, the bottom of lower support frame thickened and be provided with the connecting end that screw thread installed by band, suspension of the present invention can being fixed with the tapped hole with setting angle and being connected, being easy to assembling.
Accompanying drawing explanation
Fig. 1 a is first embodiment of the invention Standard plan view; Fig. 1 b is the A-A sectional drawing of Fig. 1 a;
Fig. 2 a is the worm's eye view of lower support frame in invention first embodiment; Fig. 2 b is the B-B sectional drawing of Fig. 2 a;
Fig. 3 a is invention first embodiment coil pedestal worm's eye view; Fig. 3 b is the C-C sectional drawing of Fig. 3 a;
Fig. 4 a is intermediate base plan view in invention first embodiment; Fig. 4 b is the D-D sectional drawing of Fig. 4 a;
Fig. 5 a is second embodiment of the invention Standard plan view; Fig. 5 b is the E-E sectional drawing of Fig. 5 a.
Number in the figure: 1 lower support frame, 2 extruding disks, 3 second bolts, 4 is O RunddichtringO, 5 coil base, 6 field coils, 7 upper brackets, 8 connecting rods, 9 stiffening plates, 10 rubber springs, 11 first bolts, 12 screws, 13 intermediate bases, 14 first U-shaped seal rings, 15 rubber sheet gaskets, 16 shutoff pads, 17 liquid filling holes, 18 second U-shaped seal rings, 19 exhaust ports, 20 back cover pedestals.
Embodiment
See 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, based on the MR mount of unidirectionally extruded pattern in the present embodiment, comprise the housing of open-topped, be plugged in the rubber spring 10 of housing tip opening, be embedded in the stiffening plate 9 with top connecting head of rubber spring 10 end face, and run through the connecting rod 8 of whole suspension; In the present embodiment, as shown in Figure 1 b, housing is bolted to connection by upper bracket 7, lower support frame 1 and the tubular intermediate base 13 between upper bracket 7 and lower support frame 1 framework formed, be included between upper bracket 7 with intermediate base 13 and be fixedly connected with the first bolt 11, be fixedly connected with the second bolt 3 between lower support frame 1 with intermediate base 13; Core assembly is provided with in framework, core assembly comprises is inverted by screw 12 coil base 5 being arranged on upper bracket 7 bottom surface, field coil 6 is embedded in the groove in coil base 5 from the bottom surface of coil base 5, multiple tapped hole is had in the bottom of groove, field coil 6 is connected on upper bracket 7 by screw 12, in the bottom of field coil 6, shutoff pad 16 is set, shutoff pad 16 interference fit is arranged in order to fixed excitation coil 6 in groove, is jointly formed the bottom end face of core assembly with the bottom surface of shutoff pad 16 and coil base 5; As shown in Figure 2 b, lower support frame 1 is set to the bathtub construction in inner concave, with the inner concave of lower support frame 1 and the bottom end face of intermediate base 13 and the bottom end face of core assembly jointly formed one airtight and be full of the magnetic flow liquid chamber of magnetic flow liquid, between magnetic flow liquid and rubber spring 10, form obstruct by core assembly, intermediate base 13 and upper bracket 7; The extruding disk 2 be fixedly installed on connecting rod 8 is arranged in magnetic flow liquid chamber, between extruding disk 2 and the bottom end face of core assembly, form effective top clearance, and magnetic flow liquid is suspending in springback process with unidirectionally extruded work pattern; In order to avoid magnetic flow liquid leaks, rubber sheet gasket 15 is installed additional between intermediate base 13 and lower support frame 1, first U-shaped seal ring 14 is set between coil base 5 and connecting rod 8, second U-shaped seal ring 18 is set between lower support frame 1 and connecting rod 8, O RunddichtringO 4 is set between the outer peripheral surface and intermediate base 13 of coil base 5.
In concrete enforcement, coil base 5 and extruding disk 2 are all be made up of high permeability material, without magnetic field in the top clearance formed by extruding disk 2 and the end face of lower support frame 1; Connecting rod 8 is made up of non-magnet material, the top of connecting rod 8 is threaded on stiffening plate 9, the bottom intercalation of connecting rod 8, at the Pen Di center of described lower support frame 1, arranges the liquid filling hole 17 through with magnetorheological chamber and exhaust port 19 at the bottom of the basin of lower support frame 1 respectively; Thicken at the bottom of the basin that lower support frame 1 is set, and will be set to externally threaded connecting end at the bottom of basin, utilize connecting end suspension to be fixed with the tapped hole with setting angle and be connected.
Because same motor body is for being rigidly connected, the vibration of motor can drive extruding disk 2 to extrude magnetic flow liquid, under outside field current effect, when connecting rod 8 moves downward, extruding disk 2 extrudes bottom magnetic flow liquid, now only produce fluid viscosity damping function, suspension has less damping, when connecting rod 8 moves upward, extruding disk 2 extrudes top magnetic flow liquid, now not only produce fluid viscosity damping function, also comprise the extruding mode of operation of magnetic flow liquid, suspension has larger damping.
Extruding disk 2 depends on suspension system with the initial compression gap of core assembly lower end, and is confined to the static load displacement of suspension, and under the constraint of suspension overall dimensions, top clearance is less, and suspension damping force is larger.
Fig. 5 a and Fig. 5 b is depicted as another mode of execution structural representation, it comprise open-topped housing, be plugged in housing tip opening rubber spring 10, be embedded in the stiffening plate 9 with top connecting head of rubber spring 10 end face and run through the connecting rod 8 of whole suspension; In structure shown in Fig. 5 b, housing is bolted to connection by upper bracket 7 and the back cover pedestal 20 with cylindrical cavity the framework formed; Core assembly is placed in the cylindrical cavity of back cover pedestal 20, core assembly comprises the coil base 5 be placed on bottom cylindrical cavity, field coil 6 is inlaid in the groove in coil base 5 from the end face of coil base 5, shutoff pad 16 is set at the top of field coil 6, is jointly formed the top end face of core assembly with the end face of shutoff pad 16 and coil base 5; By the top inner peripheral surface of the top end face of core assembly, the bottom surface of upper bracket 7 and back cover pedestal 20 jointly formed one airtight and be full of the magnetic flow liquid chamber of magnetic flow liquid, between magnetic flow liquid and rubber spring 10, form obstruct by upper bracket 7; The extruding disk 2 be fixedly installed on connecting rod 8 is arranged in magnetic flow liquid chamber, between extruding disk 2 and the top end face of core assembly, form effective top clearance, and magnetic flow liquid is suspending in compression process with unidirectionally extruded work pattern; In present embodiment, coil base 5 and extruding disk 2 are all be made up of high permeability material, without magnetic field in the top clearance formed by extruding disk 2 and the bottom surface of upper bracket 7; Connecting rod 8 is made up of non-magnet material, and the top of connecting rod 8 is threaded on stiffening plate 9, and the bottom intercalation of connecting rod 8, in coil base 5, arranges the liquid filling hole 17 through with magnetic flow liquid chamber and exhaust port 19 respectively in the sidewall of back cover pedestal 20.
Claims (7)
1. based on a MR mount for unidirectionally extruded pattern, the stiffening plate with top connecting head (9) of rubber spring (10) end face that comprises the housing of open-topped, is plugged in the rubber spring (10) of housing tip opening, is embedded in and run through the connecting rod (8) of whole suspension; It is characterized in that: described housing is bolted to connection by upper bracket (7), lower support frame (1) and the tubular intermediate base (13) be positioned between upper bracket (7) and lower support frame (1) framework formed; Core assembly is provided with in described framework, described core assembly comprises is inverted by screw (12) coil base (5) being arranged on upper bracket (7) bottom surface, field coil (6) is embedded in the groove in described coil base (5) from the bottom surface of coil base (5), shutoff pad (16) is set in the bottom of described field coil (6), is jointly formed the bottom end face of core assembly with the bottom surface of shutoff pad (16) and coil base (5); Described lower support frame (1) is set to the bathtub construction in inner concave, with the inner concave of described lower support frame (1) and the bottom end face of intermediate base (13) and the bottom end face of core assembly jointly formed one airtight and be full of the magnetic flow liquid chamber of magnetic flow liquid; The extruding disk (2) be fixedly installed on connecting rod (8) is arranged in described magnetic flow liquid chamber, between described extruding disk (2) and the bottom end face of core assembly, form effective top clearance, magnetic flow liquid is suspending in springback process with unidirectionally extruded work pattern.
2. the MR mount based on unidirectionally extruded pattern according to claim 1, it is characterized in that: described coil base (5) and extruding disk (2) are all be made up of high permeability material, without magnetic field in the top clearance formed by described extruding disk (2) and the end face of lower support frame (1); Described connecting rod (8) is made up of non-magnet material, the top of described connecting rod (8) is threaded on stiffening plate (9), and the bottom intercalation of connecting rod (8) is at the Pen Di center of described lower support frame (1).
3. the MR mount based on unidirectionally extruded pattern according to claim 2, is characterized in that: arrange the liquid filling hole (17) through with magnetorheological chamber and exhaust port (19) respectively at the bottom of the basin of described lower support frame (1).
4. the MR mount based on unidirectionally extruded pattern according to claim 1,2 or 3, it is characterized in that: thicken at the bottom of the basin that lower support frame (1) is set, and will be set to externally threaded connecting end at the bottom of described basin, utilize described connecting end suspension to be fixed with the tapped hole with setting angle and be connected.
5. the MR mount based on unidirectionally extruded pattern, comprise the housing of open-topped, be plugged in the rubber spring (10) of housing tip opening, be embedded in rubber spring (10) end face the stiffening plate with top connecting head (9) and run through the connecting rod (8) of whole suspension, it is characterized in that: described housing is bolted to connection by upper bracket (7) and the back cover pedestal (20) with cylindrical cavity the framework formed; Core assembly is placed in the cylindrical cavity of back cover pedestal (20), described core assembly comprises the coil base (5) be placed on bottom described cylindrical cavity, field coil (6) is inlaid in the groove in described coil base (5) from the end face of coil base (5), shutoff pad (16) is set at the top of described field coil (6), is jointly formed the top end face of core assembly with the end face of shutoff pad (16) and coil base (5); By the top inner peripheral surface of the top end face of described core assembly, the bottom surface of upper bracket (7) and back cover pedestal (20) jointly formed one airtight and be full of the magnetic flow liquid chamber of magnetic flow liquid; The extruding disk (2) be fixedly installed on connecting rod (8) is arranged in described magnetic flow liquid chamber, between described extruding disk (2) and the top end face of core assembly, form effective top clearance, magnetic flow liquid is suspending in compression process with unidirectionally extruded work pattern.
6. the MR mount based on unidirectionally extruded pattern according to claim 5, it is characterized in that: described coil base (5) and extruding disk (2) are all be made up of high permeability material, without magnetic field in the top clearance formed by described extruding disk (2) and the bottom surface of upper bracket (7); Described connecting rod (8) is made up of non-magnet material, and the top of described connecting rod (8) is threaded on stiffening plate (9), and the bottom intercalation of connecting rod (8) is in described coil base (5).
7. the MR mount based on unidirectionally extruded pattern according to claim 5, is characterized in that: in the sidewall of described back cover pedestal, arrange the liquid filling hole (17) through with magnetic flow liquid chamber and exhaust port (19) respectively.
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 true CN104776153A (en) | 2015-07-15 |
| CN104776153B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594159A (en) * | 2016-12-16 | 2017-04-26 | 合肥工业大学 | Magnetorheological composite suspension capable of achieving three-direction vibration isolation |
| CN110259873A (en) * | 2019-06-28 | 2019-09-20 | 重庆交通大学 | Mixed mode magnetic rheological isolator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE817978C (en) * | 1950-08-22 | 1951-10-22 | Werner Genest | Vibration damper |
| CN101324257A (en) * | 2008-07-11 | 2008-12-17 | 重庆大学 | Controllable vibration isolator based on magnetic current change elastic element and damping element coupled action |
| EP2105630A1 (en) * | 2008-03-26 | 2009-09-30 | Honda Motor Co., Ltd. | Damping force variator |
| CN104266821A (en) * | 2014-10-17 | 2015-01-07 | 吉林大学 | Bag type testing device for extrusion flow dynamics characteristics of magnetorheological fluid |
| CN104458203A (en) * | 2014-11-05 | 2015-03-25 | 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE817978C (en) * | 1950-08-22 | 1951-10-22 | Werner Genest | Vibration damper |
| EP2105630A1 (en) * | 2008-03-26 | 2009-09-30 | Honda Motor Co., Ltd. | Damping force variator |
| CN101324257A (en) * | 2008-07-11 | 2008-12-17 | 重庆大学 | Controllable vibration isolator based on magnetic current change elastic element and damping element coupled action |
| CN104266821A (en) * | 2014-10-17 | 2015-01-07 | 吉林大学 | Bag type testing device for extrusion flow dynamics characteristics of magnetorheological fluid |
| CN104458203A (en) * | 2014-11-05 | 2015-03-25 | 吉林大学 | Piston type testing device for squeezing flow dynamic characteristics of magnetorheological fluid |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594159A (en) * | 2016-12-16 | 2017-04-26 | 合肥工业大学 | Magnetorheological composite suspension capable of achieving three-direction vibration isolation |
| 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 |
| CN110259873A (en) * | 2019-06-28 | 2019-09-20 | 重庆交通大学 | Mixed mode magnetic rheological isolator |
| CN110259873B (en) * | 2019-06-28 | 2021-03-02 | 重庆交通大学 | Mixed-mode magneto-rheological vibration isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104776153B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106594159B (en) | A kind of magneto-rheological combined suspension for realizing three-dimensional vibration isolation | |
| CN203926577U (en) | Magnetorheological fluid shock absorber | |
| CN102829127B (en) | Magneto-rheological damper of automobile engine suspension system | |
| CN201651156U (en) | Semi-active control type engine hydraulic pressure suspension | |
| CN104088955A (en) | Engine magneto-rheological hydraulic mount based on mixed mode | |
| CN101670776A (en) | Semiactive suspending device with electromagnetic valve | |
| CN102364152B (en) | External electromagnetic throttling valve type double-air-chamber adjustable damp shock absorber | |
| CN102146979B (en) | Leakage-free current variant damper | |
| CN103470674B (en) | A kind of Inner-channel vehicle suspension system magnetorheological damper | |
| CN201922881U (en) | Semi-active control magnetorheological hydraulic suspension for automobile power assembly | |
| CN104595412A (en) | Double-barrel-structure magneto-rheological shock absorber based on flow mode | |
| CN105003585A (en) | Variable-section piston type magnetorheological vibration reducer | |
| CN102434619B (en) | Engine suspension device using electro-magneto-rheological fluid | |
| CN106402254B (en) | A kind of valve type magneto-rheological fluid suspension of internal bypass road | |
| CN110056599A (en) | A kind of active magneto-rheological vibration damper of bitubular based on route-variable under shear mode | |
| CN201535341U (en) | Engine supporting structure | |
| CN104776153A (en) | Magnetorheological fluid suspension based on unidirectional pressing mode | |
| WO2023279748A1 (en) | Hybrid damping mode-based high-output-force vibration isolation mount | |
| CN102364154B (en) | Passive damping adjustable magneto-rheological fluid shock absorber | |
| KR20090055930A (en) | Hydraulic engine mounting unit | |
| CN203832224U (en) | Engine suspension device with rigidity and damping adjustable | |
| CN110878807B (en) | Built-in mixed mode magneto-rheological damper | |
| CN104832587A (en) | Container crane magneto-rheological intelligent damping device | |
| CN115263992A (en) | Three-way wide-frequency large-load vibration reduction device based on frequency-adjustable vibration absorption and active vibration isolation | |
| CN204921827U (en) | Speed displacement twin -lock voltage limiting formula viscous damper |
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 |