CN107131244A - Magneto-rheological - Google Patents
Magneto-rheological Download PDFInfo
- Publication number
- CN107131244A CN107131244A CN201710351349.3A CN201710351349A CN107131244A CN 107131244 A CN107131244 A CN 107131244A CN 201710351349 A CN201710351349 A CN 201710351349A CN 107131244 A CN107131244 A CN 107131244A
- Authority
- CN
- China
- Prior art keywords
- plate
- inner cylinder
- cylinder tube
- magneto
- piston
- 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.)
- Pending
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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/062—Bi-tubular units
-
- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/066—Units characterised by the partition, baffle or like element
- F16F9/067—Partitions of the piston type, e.g. sliding pistons
-
- 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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
- F16F9/3484—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of the annular discs per se, singularly or in combination
-
- 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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
- F16F9/3485—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of supporting elements intended to guide or limit the movement of the annular discs
- F16F9/3487—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of supporting elements intended to guide or limit the movement of the annular discs with spacers or spacing rings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of magneto-rheological, including outer cylinder, inner cylinder tube, piston and piston rod, inner cylinder tube coordinates with outer cylinder gap, and piston, which is placed in inner cylinder tube and the inner chamber of inner cylinder tube is divided into upper and lower working chamber, inner cylinder tube and outer shell tube inner chamber, is filled with magnetic flow liquid；Inner cylinder tube includes the intracavity inter-connection of blind end and open end, open end and outer cylinder；Also include being arranged at the circumferential damp channel of multistage inside open end and the magnetic field generator for adjusting damping force size；The present invention can provide different damping forces in the case of different vibrational excitations, can be quickly applied in conventional damper structure, and extended capability is strong, and fast response time, with good stability and reliability；And when in use, because the open end of inner cylinder tube is located at bottom, the circumferential damp channel of multistage of the shock absorber is acted as a throttle valve, and according to vibrational excitation size in the presence of controller, applies different exciting currents, so as to realize that damping force is controllable.
Description
Technical field
It is more particularly to a kind of to can be used for vehicle, space flight and aviation, heavy-duty machinery and weapons the present invention relates to buffer technology field
Deng magneto-rheological.
Background technology
Buffer is led in automotive suspension, undercarriage, Gun Anti-Recoil Mechanism, elevator device, sliding seat system etc.
Vital effect is played in domain, the shock absorber based on magnetic flow liquid is study hotspot in recent years, common magnetic flow liquid subtracts
Shake device configurations, for magnetic field generator component, there is built-in and two kinds of structures of external.It is so-called it is built-in be magnetic field hair
Raw device is placed on piston, and is moved up and down with piston, and the piston of this structure is the electromagnetic piston that multistage magnetic circuit is constituted, and coil leads to
Cross piston rod drilling to draw outside shock absorber, manufacturability is poor, and magnetic field utilization rate is low, and the scope of the damping force of generation is restricted；
Outlet structure is that magnetic field generator is placed on inner casing drum outer wall, " has ring-shaped external magnetic field as disclosed in CN101319699A
The MR fluid shock absorber of generator ", and " one kind is based on multistage circumferential flow disclosed in patent publication No. CN103511546A
The automobile-used MR fluid shock absorber of pattern ".The characteristics of wherein CN101319699A is that the magnetic flow liquid that piston movement is arranged is whole
Magnetic field generator damp channel is flowed through, and CN103511546A uses the cubage compensation of floating piston arrangement, their common spy
Point is that magnetic field generator is distributed between interior outer cylinder, and axially distributed, and structure is relative complex, installs inconvenience.
The content of the invention
In view of this, the present invention provides a kind of magnetic flow liquid buffer, can be provided in the case of different vibrational excitations
Different damping forces, can be quickly applied in conventional damper structure, and extended capability is strong, and fast response time, with good
Good stability and reliability.
The magneto-rheological of the present invention, including outer cylinder, inner cylinder tube, piston and piston rod, inner cylinder tube are arranged at outer shell
Coordinate in cylinder and with outer cylinder inwall gap, piston is placed in inner cylinder tube and the inner chamber of inner cylinder tube is divided into upper and lower working chamber, living
Stopper rod, which is fixedly connected with the piston and passed from upper working chamber in inner cylinder tube, inner cylinder tube and outer shell tube inner chamber, is filled with magnetic flow liquid；
Inner cylinder tube includes blind end and open end, and blind end is fixedly connected with outer cylinder, the inner chamber of open end and outer cylinder
It is connected, magneto-rheological also includes being arranged at the circumferential damp channel of multistage inside open end and circumferentially damping is logical with multistage
Road coordinates the magnetic field generator for adjusting damping force size.
Further, the sleeve and winding that magnetic field generator is set including locating shaft, overcoat locating shaft are arranged on locating shaft
And positioned at the magnet exciting coil between locating shaft and sleeve.
Further, multistage circumferential damp channel is fixed on the outside of its circumference including multiple positioning and gap coordinates vertically
Toroidal membrane, connection adjacent annular is provided with the plate body of each toroidal membrane every the intercommunicating pore of inter-plate gap, adjacent annular
Connection hole site on dividing plate is relative in 180 ° of settings.
Further, intercommunicating pore is the U-shaped hole being arranged on the plate body outer edge of toroidal membrane.
Further, Multi-stage damping passage also includes setting in locating shaft along outer shaft sleeve and corresponds to the axial two ends of sleeve respectively and supports
Upper location-plate and lower location-plate by setting, upper location-plate and lower location-plate are corresponded to respectively matches somebody with somebody with adjacent toroidal membrane gap
Close；The plate body of lower location-plate and the port of blind end form circular contact and coordinated, and are respectively provided with upper location-plate and lower location-plate
There is at least one to be used for the liquid pass hole that magnetic flow liquid circulates.
Further, between adjacent toroidal membrane and between upper location-plate and lower location-plate and adjacent toroidal membrane
Add the annular gasket of overcoat sleeve setting.
Further, the tip inside of the open end of outer cylinder correspondence inner cylinder tube is formed with positioning convex, and locating shaft is with will be upper
Location-plate, sleeve, toroidal membrane, annular gasket and lower location-plate formation axial locking and with by lower location-plate and positioning convex shape
Coordinate into the mode stood tightly against with outer cylinder.
Further, locating shaft stretches out the end setting of outer cylinder；The damping for connecting upper and lower working chamber is provided with piston
Hole.
Further, the inner chamber of outer cylinder is also filled with compensation gas, and the inner chamber of outer cylinder is divided into filling magnetic flow liquid and multistage
Being provided with the sap cavity of circumferential damp channel connection and the air cavity that gas compensation is carried out for being passed through inert gas, outer cylinder is used for
With the unilaterally connected one-way vent valve of air cavity.
Beneficial effects of the present invention：The magneto-rheological of the present invention, due to setting multistage circumferential damping logical in open end
Road and magnetic field generator, different damping forces can be provided in the case of different vibrational excitations, tradition can be quickly applied to
In damper structure, extended capability is strong, and fast response time, with good stability and reliability；And when in use, by
It is located at bottom in the open end of inner cylinder tube, the circumferential damp channel of multistage of the shock absorber is acted as a throttle valve, according to vibration
Encourage size in the presence of controller, apply different exciting currents, change the flow behavior of magnetic flow liquid, so that controlling stream
Mobility status through circumferential damp channel, and then realize controllable damping force.
Meanwhile, magnetic field generator is located at cylinder barrel bottom, passes through detailed design, it is possible to achieve magnetic field generator assembly module
Change, individually assembled after processing coiling with shock absorber body, substantially improve the manufacturability of MR fluid shock absorber；It is relatively existing
For shock absorber for vehicle, structural modification is minimum, is matched with existing vehicle structure best, can at utmost utilize existing production bar
Part and equipment, simple in construction, characteristics of compact layout.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the toroidal membrane structural representation in the present invention；
Fig. 3 is the upper location-plate structural representation in the present invention；
Fig. 4 is the lower positioning plate structure schematic diagram in the present invention.
Embodiment
Fig. 1 is schematic structural view of the invention, and Fig. 2 is the toroidal membrane structural representation in the present invention, and Fig. 3 is in the present invention
Upper location-plate structural representation, Fig. 4 for the present invention in lower positioning plate structure schematic diagram, as shown in the figure：The magnetic of the present embodiment
Rheology buffer, including outer cylinder 1, inner cylinder tube 2, piston rod 4 and piston 5, inner cylinder tube 2 are arranged in outer cylinder 1 and and outer shell
1 inwall gap of cylinder coordinates, and piston 5 is placed in inner cylinder tube 2, and the inner chamber of inner cylinder tube 2 is divided into upper working chamber 3, lower working chamber 6,
Piston rod 4, which is fixedly connected with piston 5 and passes intracavitary in inner cylinder tube 2, inner cylinder tube 2 and outer cylinder 1 from upper working chamber 3, is filled with magnetic
Rheology liquid.
Inner cylinder tube 2 includes blind end and open end, and blind end is fixedly connected with outer cylinder 1, and open end is interior with outer cylinder 1
Chamber is connected, and magneto-rheological also includes being arranged at the circumferential damp channel of multistage inside open end and circumferentially damped with multistage
Passage coordinates the magnetic field generator for adjusting damping force size；Piston 5 by the working chamber of inner cylinder tube 2 be divided into above and below two parts, under
Working chamber 6 is communicated by multistage circumferential damp channel with the inner chamber of outer cylinder 1.
As shown in figure 1, in the present embodiment, when in use, the blind end of inner cylinder tube 2 is top, and open end is lower section, its
In, outer cylinder 1 includes upper end cover 1-1, cylinder 1-2 and bottom end cover 1-3, and inner cylinder tube 2 coordinates with the coaxial inner sleeve of outer cylinder 1, inner casing
The seal 22 of inner upper end of the upper end (i.e. blind end) of cylinder 2 with being fixed on outer cylinder 1 is fixedly connected, piston rod itself
Inside and outside cylinder barrel is passed, lower end (i.e. open end) place of inner cylinder tube 2 sets multistage circumferential damp channel and magnetic field generator, made
Used time, when exciting current is zero, the magnetic flow liquid in multistage circumference damp channel is not affected by magnetic fields, good fluidity, piston 5
Mobile, magnetic flow liquid enters other end working chamber from one end working chamber of piston 5, and flows through the magnetic flow liquid of circumferential damp channel
The variable quantity of working chamber magnetic flow liquid volume caused by inner cylinder tube 2 is passed in and out for piston rod 4, now the flow of pore of piston 5 is provided
Less damping force；When applying larger exciting current, the magnetic flow liquid in circumferential damp channel is affected by magnetic fields, occurs magnetic current
Change effect, mobility is deteriorated, so as to hinder piston 5, there is provided larger damping force for the movement of piston rod 4.
In the present embodiment, magnetic field generator includes sleeve 10 and the winding setting that locating shaft 12, overcoat locating shaft 12 are set
On locating shaft 12 and positioned at the magnet exciting coil 15 between locating shaft 12 and sleeve 10, multistage circumference damp channel is formed at sleeve
Between 10 and the inwall of inner cylinder tube 2, the magnetic field that magnet exciting coil 15 is produced passes perpendicularly through multistage circumferential damp channel；Magnet exciting coil 15
It is around on locating shaft 12, coil lead is drawn by wire guide, the magnet exciting coil 15 of magnetic field generator is around on locating shaft 12, is made
The circumferential damp channel of the magnetic flow liquid outside magnet exciting coil 15 must be located to be completely in the control in magnetic field.
In the present embodiment, multistage circumference damp channel includes multiple being fixed on the outside of sleeve 10 and gap cooperation vertically
The intercommunicating pore 11 in the gap of connection adjacent annular dividing plate 8, adjacent annular are provided with toroidal membrane 8, the plate body of each toroidal membrane 8
The position of intercommunicating pore 11 on dividing plate 8 is relative in 180 ° of settings.In the present embodiment, toroidal membrane 8 be enclosed on the outside of sleeve 10 and with
Circumference is close to set, and the excircle of toroidal membrane 8 is contacted with the inwall of inner cylinder tube 2, and the gap between adjacent annular dividing plate 8 passes through
Intercommunicating pore 11 is connected, because the position of intercommunicating pore 11 on adjacent annular dividing plate 8 is relative in 180 ° of settings so that adjacent annular dividing plate
Passage between 8, which is formed, is collectively forming multistage circumferential damp channel between circumferential annular damper passage, multiple toroidal membranes 8.Wherein,
0 ° of -180 ° of any relative angle may be selected in the position of intercommunicating pore 11 on adjacent annular dividing plate 8.
In the present embodiment, intercommunicating pore 11 is the U-shaped hole being arranged on the plate body outer edge of toroidal membrane 8, and U-shaped hole refers to set
Put toroidal membrane 8 and formed between the hole of rim openings, U-shaped hole and the inwall of inner cylinder tube 2 for magnetic flow liquid annular every
The passage of 8 gap circulations of plate.
In the present embodiment, Multi-stage damping passage also includes setting and corresponding to respectively the axle of sleeve 10 in locating shaft 12 along outer shaft sleeve
To two ends against the upper location-plate 7 of setting and lower location-plate 14, upper location-plate 7 and lower location-plate 14 are corresponded to and adjacent ring respectively
The gap of shape dividing plate 8 coordinates.
The plate body of lower location-plate 14 and the port of blind end form circular contact and coordinated, upper location-plate 7 and lower location-plate
At least one is provided with 14 is used for the liquid pass hole (being liquid pass hole 16 and liquid pass hole 16a in figure) that magnetic flow liquid circulates；Such as Fig. 1
It is shown, be formed with convex shoulder on the inwall of inner cylinder tube 2, upper location-plate 7, which is supported, terminates in formation location fit at convex shoulder, all annular every
Plate 8 is located between upper location-plate 7 and lower location-plate 14, and the two ends of upper location-plate 7 and lower location-plate 14 and sleeve 10 are formed tightly
Tight against by.
In the present embodiment, between adjacent toroidal membrane 8 and upper location-plate 7 and lower location-plate 14 and adjacent annular
The annular gasket 9 of the setting of overcoat sleeve 10 is added between dividing plate 8.
In the present embodiment, the tip inside of the open end of the correspondence inner cylinder tube 2 of outer cylinder 1 is formed with positioning convex 13, positions
Axle 12 with by upper location-plate 7, sleeve 10, toroidal membrane 8, annular gasket 9 and lower location-plate 14 formed axial locking and with will under
The mode that location-plate 14 is stood tightly against with the formation of positioning convex 13 coordinates with outer cylinder 1；Locating shaft 12 is the place of coil winding
Permeability magnetic material is selected, sleeve 10, annular gasket 9 must select non-magnet material, and toroidal membrane 8 must use good magnetic conduction material
Material, it is ensured that magnetic line of force almost all passes perpendicularly through circumferential passageway, and acts on magnetic flow liquid therein, and whole inner cylinder tube 2 is necessary
Select non-magnet material, it is to avoid a large amount of magnetic lines of force weaken the magnetic field intensity of circumferential passageway via inner cylinder tube 2.
In the present embodiment, the end that locating shaft 12 stretches out outer cylinder 1 is set, and the external part of locating shaft 12 is fixed with suspension ring
23；Connection upper working chamber 3, the damping hole 17 of lower working chamber 6 are provided with piston 5；Damping hole 17 is normal open hole, the hole in normal open hole
Footpath size and number is set according to actual needs, is not limited in design example, and normal open hole will ensure that desired flow is special
Property, the damping capacity that excessive flow will weaken under large impact speed；Illustrate herein, it is necessary in work for vehicle use
The circulation valve arrangement realized compression and restore non-symmetrical features is installed on plug 5；In addition, the piston 5 in the present invention is with very big
Dynamic range, and the two ends pressure difference of piston 5 caused by piston 5 is not controlled without magnetic flow liquid yield stress by flowing, will not
Cause cubage compensation not enough because of controlled, it is to avoid indicator card aberration problems.
In the present embodiment, the inner chamber of outer cylinder 1 is divided into the sap cavity that filling magnetic flow liquid is connected with multistage circumferential damp channel
18 and the air cavity 20 of gas compensation is carried out for being passed through inert gas, be provided with outer cylinder 1 for unilaterally connected with air cavity
One-way vent valve 21；I.e. the passage of outer cylinder 1 is provided with gas compensation chamber, for volume compensation, improves buffer response speed etc., leads to
Cross one-way vent valve and be filled with the inert gas of outer cylinder 1 and be located at top in working condition, it shows as gas-liquid interface 19, passed through
Its compressibility realizes cubage compensation function caused by the turnover cylinder barrel of piston rod 4.
Due to buffer control flowing compensation passage, when not applying exciting current, buffer can realize the resistance of very little
Buddhist nun, and apply after exciting current equivalent to partial cut compensation passage, very big damping can be provided, thus it is of the present invention
Controlled bottom valve magnetic flow liquid buffer there is very big dynamic range；Simultaneously as piston 5 is provided with throttling passage, therefore
The two ends pressure difference of piston 5 is small, will not form the compensation idle running problem produced under the conditions of traditional magneto-rheological vibration damper high current.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (9)
1. a kind of magneto-rheological, it is characterised in that：Including outer cylinder, inner cylinder tube, piston and piston rod, the inner cylinder tube is set
It is placed in outer cylinder and has gap between outer cylinder inwall and constitute cavity, the piston is placed in inner cylinder tube and by inner cylinder tube
Chamber is divided into upper and lower working chamber, and the piston rod is fixedly connected with the piston and passes inner cylinder tube from upper working chamber, the inner cylinder tube and
Magnetic flow liquid is filled with the outer shell tube inner chamber；
The inner cylinder tube includes blind end and open end, and the blind end is fixedly connected with outer cylinder, the open end and outer shell
The intracavity inter-connection of cylinder, the magneto-rheological also include being arranged at the circumferential damp channel of multistage inside the open end and
Coordinate the magnetic field generator for adjusting damping force size with multistage circumferential damp channel.
2. magneto-rheological according to claim 1, it is characterised in that：The magnetic field generator includes locating shaft, outer
The sleeve and winding that set locating shaft is set are arranged on the locating shaft and positioned at the magnet exciting coil between locating shaft and sleeve, institute
State multistage circumferential damp channel to be formed between the sleeve and the inwall of inner cylinder tube, the magnetic field that the magnet exciting coil is produced is vertical
Through the multistage circumferential damp channel.
3. magneto-rheological according to claim 2, it is characterised in that：The multistage circumferential damp channel includes multiple
It is fixed on the company of being provided with the toroidal membrane that on the outside of its circumference and gap coordinates vertically, the plate body of each toroidal membrane
Connection hole site on the intercommunicating pore of logical adjacent annular spacer gap, adjacent annular dividing plate is relative in 180 ° of settings.
4. magneto-rheological according to claim 3, it is characterised in that：The intercommunicating pore is to be arranged at toroidal membrane
U-shaped hole on plate body outer edge.
5. magneto-rheological according to claim 3, it is characterised in that：The Multi-stage damping passage also includes along outside axle
Locating shaft is placed on to set and correspond to the axial two ends of sleeve respectively against the upper location-plate and lower location-plate of setting, the upper location-plate
Correspond to and coordinate with adjacent toroidal membrane gap respectively with the lower location-plate；
The port of the plate body of the lower location-plate and the blind end forms circular contact and coordinated, the upper location-plate and described
At least one is provided with lower location-plate is used for the liquid pass hole that magnetic flow liquid circulates.
6. magneto-rheological according to claim 5, it is characterised in that：Between the adjacent toroidal membrane and
The annular gasket for being coated at sleeve setting is provided between the upper location-plate and the lower location-plate and adjacent toroidal membrane.
7. magneto-rheological according to claim 6, it is characterised in that：The tip inside of the open end of the inner cylinder tube
It is formed with positioning convex, the locating shaft is with by upper location-plate, sleeve, toroidal membrane, annular gasket and lower location-plate formation axle
Coordinate to locking, and in the way of lower location-plate and positioning convex formation to be stood tightly against with outer cylinder.
8. magneto-rheological according to claim 7, it is characterised in that：The locating shaft stretches out the end of the outer cylinder
Portion is set；The damping hole for connecting upper and lower working chamber is provided with the piston.
9. magneto-rheological according to claim 8, it is characterised in that：The inner chamber of the outer cylinder is filled with indifferent gas
Body, in working condition its be located at inner cavity top, by its compressibility realize piston rod pass in and out cylinder barrel caused by cubage compensation
Being provided with function, the outer cylinder is used for and the unilaterally connected one-way vent valve of air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351349.3A CN107131244A (en) | 2017-05-18 | 2017-05-18 | Magneto-rheological |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351349.3A CN107131244A (en) | 2017-05-18 | 2017-05-18 | Magneto-rheological |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131244A true CN107131244A (en) | 2017-09-05 |
Family
ID=59732957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710351349.3A Pending CN107131244A (en) | 2017-05-18 | 2017-05-18 | Magneto-rheological |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131244A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196353A (en) * | 2020-02-07 | 2020-05-26 | 任年栋 | Undercarriage magneto-rheological buffer control device |
| CN112503131A (en) * | 2020-12-29 | 2021-03-16 | 福州大学 | Anti-impact hydraulic actuator based on multi-stage valve type magnetorheological damper |
| CN112555326A (en) * | 2020-11-03 | 2021-03-26 | 西安交通大学 | Double-annular damping gap magneto-rheological damper |
| CN112762127A (en) * | 2021-01-25 | 2021-05-07 | 长安大学 | Composite energy dissipation and vibration reduction device |
| CN113027978A (en) * | 2021-04-30 | 2021-06-25 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
| CN113339444A (en) * | 2020-03-01 | 2021-09-03 | 重庆大学 | High-efficiency self-bearing magnetorheological controllable damping device |
| CN113757292A (en) * | 2021-09-16 | 2021-12-07 | 昆明理工大学 | Multi-channel aircraft landing gear magneto-rheological shimmy damper, control method, system and application |
| CN114321256A (en) * | 2020-09-29 | 2022-04-12 | 汪丽 | Asymmetric damping force magneto-rheological shock absorber piston |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4819772A (en) * | 1987-04-11 | 1989-04-11 | Robert Bosch Gmbh | Motion-damping apparatus for a vehicle |
| KR100507756B1 (en) * | 1999-02-10 | 2005-08-10 | 주식회사 만도 | Apparatus for adjusting a damping force of a shock absorber using magnetoreological fluid |
| KR20090131479A (en) * | 2008-06-18 | 2009-12-29 | 현대모비스 주식회사 | Magneto-rheological damper |
| CN101797910A (en) * | 2010-04-06 | 2010-08-11 | 重庆大学 | Collision energy dissipation component based on magnetorhrologic grease and device |
| CN103322113A (en) * | 2013-05-31 | 2013-09-25 | 重庆大学 | Controllable torque device based on magnetorheological materials |
| CN104595412A (en) * | 2015-01-08 | 2015-05-06 | 重庆材料研究院有限公司 | Double-barrel-structure magneto-rheological shock absorber based on flow mode |
| CN204324641U (en) * | 2014-12-15 | 2015-05-13 | 重庆和航科技股份有限公司 | The elevator cushion system of forward and reverse damping |
| CN205956289U (en) * | 2016-05-31 | 2017-02-15 | 长春孔辉汽车科技股份有限公司 | Controllable shock absorber of magnetorheological valve accuse damping |
-
2017
- 2017-05-18 CN CN201710351349.3A patent/CN107131244A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4819772A (en) * | 1987-04-11 | 1989-04-11 | Robert Bosch Gmbh | Motion-damping apparatus for a vehicle |
| KR100507756B1 (en) * | 1999-02-10 | 2005-08-10 | 주식회사 만도 | Apparatus for adjusting a damping force of a shock absorber using magnetoreological fluid |
| KR20090131479A (en) * | 2008-06-18 | 2009-12-29 | 현대모비스 주식회사 | Magneto-rheological damper |
| CN101797910A (en) * | 2010-04-06 | 2010-08-11 | 重庆大学 | Collision energy dissipation component based on magnetorhrologic grease and device |
| CN103322113A (en) * | 2013-05-31 | 2013-09-25 | 重庆大学 | Controllable torque device based on magnetorheological materials |
| CN204324641U (en) * | 2014-12-15 | 2015-05-13 | 重庆和航科技股份有限公司 | The elevator cushion system of forward and reverse damping |
| CN104595412A (en) * | 2015-01-08 | 2015-05-06 | 重庆材料研究院有限公司 | Double-barrel-structure magneto-rheological shock absorber based on flow mode |
| CN205956289U (en) * | 2016-05-31 | 2017-02-15 | 长春孔辉汽车科技股份有限公司 | Controllable shock absorber of magnetorheological valve accuse damping |
Non-Patent Citations (1)
| Title |
|---|
| 吴笃华: "环形通道与旁通小孔并联型磁流变减振器", 《中国优秀硕士学位论文全文数据库工程技术II辑》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196353A (en) * | 2020-02-07 | 2020-05-26 | 任年栋 | Undercarriage magneto-rheological buffer control device |
| CN113339444A (en) * | 2020-03-01 | 2021-09-03 | 重庆大学 | High-efficiency self-bearing magnetorheological controllable damping device |
| CN114321256A (en) * | 2020-09-29 | 2022-04-12 | 汪丽 | Asymmetric damping force magneto-rheological shock absorber piston |
| CN112555326A (en) * | 2020-11-03 | 2021-03-26 | 西安交通大学 | Double-annular damping gap magneto-rheological damper |
| CN112503131A (en) * | 2020-12-29 | 2021-03-16 | 福州大学 | Anti-impact hydraulic actuator based on multi-stage valve type magnetorheological damper |
| CN112503131B (en) * | 2020-12-29 | 2021-09-28 | 福州大学 | Anti-impact hydraulic actuator based on multi-stage valve type magnetorheological damper |
| CN112762127A (en) * | 2021-01-25 | 2021-05-07 | 长安大学 | Composite energy dissipation and vibration reduction device |
| CN113027978A (en) * | 2021-04-30 | 2021-06-25 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
| CN113027978B (en) * | 2021-04-30 | 2022-11-04 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
| CN113757292A (en) * | 2021-09-16 | 2021-12-07 | 昆明理工大学 | Multi-channel aircraft landing gear magneto-rheological shimmy damper, control method, system and application |
| CN113757292B (en) * | 2021-09-16 | 2022-11-11 | 昆明理工大学 | Multi-channel aircraft landing gear magneto-rheological shimmy damper, control method, system and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107131244A (en) | Magneto-rheological | |
| US9186951B2 (en) | Height adjustable damping device | |
| WO2021104185A1 (en) | Self-sensing separated dual-cylinder magnetorheological damper | |
| CN203926577U (en) | Magnetorheological fluid shock absorber | |
| CN101802440B (en) | Semi third tube design | |
| CN105102847B (en) | Arrangement is guided for the bar of electrically-controlled valve application | |
| CN105240442B (en) | Oil damper | |
| US6959796B2 (en) | Adjustable damper with valve mounted in-line | |
| CN104565176A (en) | Piston valve assembly for shock absorber | |
| CN104421371B (en) | Hydraulic oil control variable-damping shock | |
| US11280380B2 (en) | Magnetorheological hydraulic damper with passive damping chamber | |
| CN110836236B (en) | Rotary magnetorheological damper capable of outputting asymmetric damping | |
| CN103470674B (en) | A kind of Inner-channel vehicle suspension system magnetorheological damper | |
| CN206545666U (en) | The twin coil MR damper of effective damping gap length can be extended | |
| CN107091293A (en) | A kind of electromagnetic type damps continuously adjustabe shock absorber | |
| CN103775557B (en) | A kind of adjustable shock absorber | |
| CN206958148U (en) | A kind of new bitubular list goes out pole magnetorheological damper | |
| US10076941B2 (en) | Hydraulic shock absorber and cover member | |
| CN108506403A (en) | A kind of large hydraulic damper | |
| CN102686902A (en) | Hydraulic damper assembly | |
| CN202612463U (en) | High and low speed two-way damping adjustable mechanical-type shock absorber | |
| CN102678810B (en) | High/low speed bidirectional damping adjustable mechanical damper | |
| CN110822009A (en) | Separated double-cylinder magnetorheological damper | |
| JP2012092944A (en) | Front fork | |
| CN104411999A (en) | Suspension device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170905 |