CN102052423B - Magnetorheological torsion damping device - Google Patents
Magnetorheological torsion damping device Download PDFInfo
- Publication number
- CN102052423B CN102052423B CN2009102218043A CN200910221804A CN102052423B CN 102052423 B CN102052423 B CN 102052423B CN 2009102218043 A CN2009102218043 A CN 2009102218043A CN 200910221804 A CN200910221804 A CN 200910221804A CN 102052423 B CN102052423 B CN 102052423B
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- stator
- rotor
- vibration damper
- torsional vibration
- disk
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- 238000013016 damping Methods 0.000 title description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002441 reversible effect Effects 0.000 description 5
- 239000006249 magnetic particle Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a magneto-rheological torsion vibration damper, which is connected between power equipment and load equipment and comprises a magneto-rheological torsion vibration damper, an angular velocity sensor and an electric control unit; one end of the magneto-rheological torsion damper is connected with power equipment in a transmission way, the other end of the magneto-rheological torsion damper is connected with an angular velocity sensor in a transmission way through a coupler, the angular velocity sensor is also connected with load equipment in a transmission way through the coupler, and the electric control unit is connected to the angular velocity sensor. The magneto-rheological torsional damper comprises a rotor, a stator and magneto-rheological fluid, wherein the rotor is movably embedded in the stator, a gap is formed between the rotor and the stator, the magneto-rheological fluid fills the gap between the rotor and the stator, and an electrified magnet exciting coil is wound on the stator. The magnetorheological torsion vibration damper is used for controlling the torsion vibration of a mechanism for making rotary motion, and can realize the control of the torsion vibration in real time, continuously, reversibly and with low energy consumption.
Description
Technical field
The present invention relates to a kind of vibration damping equipment, relate in particular to a kind of magnetorheological torsional vibration damper.
Background technique
Magnetic flow liquid is by high magnetic permeability, the small soft magnetic particles of low magnetic hysteresis property and the suspension that the non-magnetic liquid mixing forms.The particle size distribution of this suspension magnetic flow liquid under zero magnetic field condition is mixed and disorderly, demonstrates low viscous Newtonian fluid characteristic; But under the effect in magnetic field, but be well-regulated and arrange, produced the characteristic of type solid, become difficult plasticity Ben-Hur (Bingham) fluid that flows of high viscosity by the runny Newtonian fluid of little viscosity along magnetic direction chaining or chain pencil.Because the rheology of magnetic flow liquid under the action of a magnetic field be moment, reversible, and the shear yield strength after its rheology and magnetic intensity have stable corresponding relation.Therefore, can reach the purpose of the shear yield strength of control magnetic flow liquid through the size of controlling magnetic field intensity, thereby the moving element that is in the magnetic flow liquid is produced variable control moment, realize initiatively in good time, reversible continuous Torque Control.
Summary of the invention
The object of the invention, exactly for provide a kind of can be in real time, the magnetorheological torsional vibration damper of the torsional vibration of highi degree of accuracy, continuous, reversible, low energy consumption ground control load equipment.
In order to achieve the above object, the present invention has adopted following technological scheme: a kind of magnetorheological torsional vibration damper, be connected between power equipment and the load equipment, and comprise magnetorheological torsional vibration damper, angular-rate sensor and ECU; One end of magnetorheological torsional vibration damper links to each other with the power equipment transmission, and the other end links to each other with the angular-rate sensor transmission through coupling, and angular-rate sensor also links to each other with the load equipment transmission through coupling, and ECU is connected on the angular-rate sensor;
Described magnetorheological torsional vibration damper comprises rotor, stator and magnetic flow liquid, and the rotor activity is inlaid in the stator and also and between the stator is provided with the gap, and magnetic flow liquid is full of the gap between rotor and the stator, on stator, is wound with the energising field coil.
Described rotor comprises that rotating shaft and even interval are connected a plurality of disks in the rotating shaft, and each disk tilts to intersect with horizontal plane respectively and is parallel to each other, and an end of rotor links to each other with the power equipment transmission, and the other end links to each other with the angular-rate sensor transmission through coupling; Described stator comprises cylindrical shell and a plurality of annulus that evenly are connected cylinder inboard wall at interval, and each annulus has the angle of inclination identical with epitrochanterian each disk and is provided with at interval with epitrochanterian each disk is staggered.
The angle of inclination of each annulus on described epitrochanterian each disk and the stator is 5 degree, and the disk number is Duoed one than the annulus number on the stator on the rotor.
Each annulus on described epitrochanterian each disk and the stator is respectively along the through hole that circumferentially is provided with a plurality of axial perforations in different radius.
Be provided with a ring cavity in the cylindrical shell of described stator, and the passage that is provided with a plurality of inclinations is communicated with ring cavity with stator and gap between rotor.
Magnetorheological torsional vibration damper of the present invention is used to control the torsional vibration of the mechanism of doing rotation motion, can realize in real time, highi degree of accuracy, initiatively continuous, reversible, low energy consumption ground its torsional vibration of control.It adopts intellectual material to realize the control of damping torque, and the control magnetic circuit is arranged simple, and the big I of control moment is selected as required.Having solved traditional torsional vibration damper damping torque can not be in real time, highi degree of accuracy, the defective of continuous control initiatively.
Mechanical structure of the present invention is simple, and control system is easy to integrated, applied range, and temperature influence is less, and low cost of manufacture easily is automated.
Description of drawings
Fig. 1 is the structural representation of the magnetorheological torsional vibration damper of the present invention.
Embodiment
Referring to Fig. 1, magnetorheological torsional vibration damper of the present invention is connected between power equipment (not shown come out) and the load equipment 1, comprises magnetorheological torsional vibration damper 2, angular-rate sensor 3 and ECU 4.Magnetorheological torsional vibration damper 2 comprises rotor 21, stator 22 and magnetic flow liquid 23; Rotor 21 activities are inlaid in the stator 22 and also and between the stator are provided with the gap; Magnetic flow liquid 23 is full of the gap between rotor and the stator, on stator 22, is wound with energising field coil 24.Rotor 21 comprises rotating shaft 211 and evenly is connected a plurality of disks 212 in the rotating shaft at interval; Each disk 212 tilts to intersect with horizontal plane respectively and is parallel to each other; One end of rotor links to each other with the power equipment transmission, and the other end links to each other with angular-rate sensor 3 transmissions through coupling 51; Stator 22 comprises cylindrical shell 221 and a plurality of annulus 222 that evenly are connected cylinder inboard wall at interval, and each annulus has the angle of inclination identical with epitrochanterian each disk and is provided with at interval with epitrochanterian each disk is staggered.Angular-rate sensor 3 also links to each other with load equipment 1 transmission through coupling 52, and ECU 4 is connected on the angular-rate sensor 3.
Epitrochanterian each disk 212 among the present invention and the angle of inclination of each annulus 222 on the stator are 5 degree, and epitrochanterian disk number is Duoed one than the annulus number on the stator.
Each annulus 222 on epitrochanterian each disk 212 among the present invention and the stator is respectively along the through hole 2121 and 2221 that circumferentially is provided with a plurality of axial perforations in different radius.
Be provided with a ring cavity 2211 in the cylindrical shell 221 of the stator 22 among the present invention, and the passage 2212 that is provided with a plurality of inclinations is communicated with ring cavity with stator and gap between rotor.
Shown in the figure, 6 is bearing, and 7 is the magnetic line of force.
Working principle of the present invention is; Twining hot-wire coil as field coil in the cylindrical shell of stator, the magnetic line of force that field coil produces in the inside of stator along the center steering axle, through annulus and disk and gap; Perpendicular to disk and annulus radially, form even magnetic circuit.The magnetic field that field coil energising back produces is through the gap between annulus and the disk; Make the magnetic-particle in the magnetic flow liquid of gap location radially be arranged in " chain "; When rotor sways; The direction of its linear velocity radially is arranged in the direction of " chain " with magnetic-particle vertical, " chain " in the magnetic flow liquid sheared, and the shear yield strength of magnetic flow liquid and magnetic induction intensity has corresponding relation; The size of magnetic induction intensity then can be confirmed to the electric current in the ECU control field coil through the information transmission of angular-rate sensor collection; So just can reach the purpose of the shear yield strength of control magnetic flow liquid through the size of electric current in the control coil, thereby make magnetic flow liquid produce variable control moment, realize in good time, reversible continuous Torque Control rotor.
The present invention along circumferentially being provided with through hole in different radius, is provided with a ring cavity respectively in the cylindrical shell of stator on each annulus of each disk of rotor and stator, and the passage that is provided with a plurality of inclinations is communicated with ring cavity with stator and gap between rotor.During rotor rotation,, back and forth flow along the passage in the stator more afterwards owing to have angle that magnetic flow liquid is radially flowed with substantially horizontal.
Claims (4)
1. a magnetorheological torsional vibration damper is connected between power equipment and the load equipment, it is characterized in that: comprise magnetorheological torsional vibration damper, angular-rate sensor and ECU; One end of magnetorheological torsional vibration damper links to each other with the power equipment transmission, and the other end links to each other with the angular-rate sensor transmission through coupling, and angular-rate sensor also links to each other with the load equipment transmission through coupling, and ECU is connected on the angular-rate sensor;
Described magnetorheological torsional vibration damper comprises rotor, stator and magnetic flow liquid, and the rotor activity is inlaid in the stator and also and between the stator is provided with the gap, and magnetic flow liquid is full of the gap between rotor and the stator, on stator, is wound with the energising field coil;
Described rotor comprises that rotating shaft and even interval are connected a plurality of disks in the rotating shaft, and each disk tilts to intersect with horizontal plane respectively and is parallel to each other, and an end of rotor links to each other with the power equipment transmission, and the other end links to each other with the angular-rate sensor transmission through coupling; Described stator comprises cylindrical shell and a plurality of annulus that evenly are connected cylinder inboard wall at interval, and each annulus has the angle of inclination identical with epitrochanterian each disk and is provided with at interval with epitrochanterian each disk is staggered.
2. magnetorheological torsional vibration damper as claimed in claim 1 is characterized in that: the angle of inclination of each annulus on described epitrochanterian each disk and the stator is 5 degree, and the disk number is Duoed one than the annulus number on the stator on the rotor.
3. magnetorheological torsional vibration damper as claimed in claim 1 is characterized in that: each annulus on described epitrochanterian each disk and the stator is respectively along the through hole that circumferentially is provided with a plurality of axial perforations in different radius.
4. magnetorheological torsional vibration damper as claimed in claim 1 is characterized in that: be provided with a ring cavity in the cylindrical shell of described stator, and the passage that is provided with a plurality of inclinations is communicated with ring cavity with stator and gap between rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102218043A CN102052423B (en) | 2009-11-10 | 2009-11-10 | Magnetorheological torsion damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102218043A CN102052423B (en) | 2009-11-10 | 2009-11-10 | Magnetorheological torsion damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102052423A CN102052423A (en) | 2011-05-11 |
| CN102052423B true CN102052423B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102218043A Expired - Fee Related CN102052423B (en) | 2009-11-10 | 2009-11-10 | Magnetorheological torsion damping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102052423B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821871B (en) * | 2014-03-06 | 2016-05-11 | 武汉理工大学 | A kind of braking of the intelligent heavy-load for crane rotation mechanism damper |
| CN104482035B (en) * | 2014-11-03 | 2017-12-29 | 联想(北京)有限公司 | A kind of rotating shaft and electronic equipment |
| CN104896000B (en) * | 2015-04-08 | 2016-11-23 | 重庆大学 | Many shear surfaces magneto-rheological torsion damper and automotive seat thereof |
| CN105041955A (en) * | 2015-07-20 | 2015-11-11 | 常州大学 | Double-pole multistage diffraction passive single-control variable-damping magneto-rheological damper |
| CN105065554A (en) * | 2015-07-20 | 2015-11-18 | 常州大学 | Multi-stage diffractive active single-control variable-damping magnetorheological damper with single rod |
| CN105114526B (en) * | 2015-09-23 | 2017-03-29 | 广东工业大学 | A kind of intelligent adjustable damping unit of damping force |
| CN106870621B (en) * | 2017-03-15 | 2019-01-18 | 上海工程技术大学 | A kind of self-adaptation type magnetorheological fluid torsional vibration damper |
| CN109630596B (en) * | 2018-12-26 | 2020-09-11 | 嘉兴学院 | Rotary type damping-adjustable silicone oil-magnetorheological torsional vibration damper |
| CN109654162B (en) * | 2019-02-01 | 2024-04-12 | 青岛理工大学 | Active composite damping-variable rotation control device |
| CN110985589B (en) * | 2019-12-02 | 2021-01-22 | 江苏科技大学 | Magnetorheological fluid turbine damper |
| CN111173880B (en) * | 2020-01-13 | 2021-07-06 | 上海理工大学 | Magnetorheological fluid particle collision damper |
| US11603891B2 (en) * | 2020-11-13 | 2023-03-14 | Ho Chi Minh City University Of Technology (Hutech) | Bidirectional magneto-rheological actuator |
| CN114673750B (en) * | 2022-03-11 | 2024-06-11 | 嘉兴学院 | Liquid-cooled magnetorheological fluid torsional vibration damper |
| CN114776753B (en) * | 2022-03-11 | 2024-06-14 | 嘉兴学院 | Rotary type linear vibration damping magnetorheological fluid damper |
| CN115653995A (en) * | 2022-10-18 | 2023-01-31 | 北京工业大学 | Electric control liquid damping hinge |
-
2009
- 2009-11-10 CN CN2009102218043A patent/CN102052423B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102052423A (en) | 2011-05-11 |
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