CN105065555A - Single-rod multistage diffraction active double-control variable damping magneto-rheological damper - Google Patents
Single-rod multistage diffraction active double-control variable damping magneto-rheological damper Download PDFInfo
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- CN105065555A CN105065555A CN201510426859.3A CN201510426859A CN105065555A CN 105065555 A CN105065555 A CN 105065555A CN 201510426859 A CN201510426859 A CN 201510426859A CN 105065555 A CN105065555 A CN 105065555A
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- coil
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- diffraction
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- module
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a single-rod multistage diffraction active double-control variable damping magneto-rheological damper and belongs to the field of variable damping magneto-rheological fluid instruments. The single-rod multistage diffraction active double-control variable damping magneto-rheological damper comprises a rheological hydraulic cylinder block module, a left end cover, a right end cover module, a diffraction piston module mounted in the rheological hydraulic cylinder block module, magneto-rheological fluid and a power supply. The rheological hydraulic cylinder block module comprises a coil cylinder block, a master control coil mounted in a groove in the outer wall of the coil cylinder block and a shielding layer. The coil cylinder block is a hollow cylinder with the constant inner diameter. The diffraction piston module comprises a piston, a piston rod, an auxiliary coil mounted in a groove in the outer wall of the piston, a coil protective layer and an S-shaped bent gradual change diffraction hole with the inner diameter gradually changing, and the S-shaped bent gradual change diffraction hole is formed in the piston. The magneto-rheological damper is compact and reasonable in structure, variable in working gap and double-coil control damping and capable of outputting huge damping force and can be controlled more accurately.
Description
Technical field
The present invention relates to mutative damp magnetic flow liquid instrument field, refer in particular to the multistage diffraction of a kind of single pole active dual control mutative damp MR damper.
Background technique
The MR damper adopting magnetic flow liquid to make can realize the mutual conversion of Newtonian fluid, Bingham semi-solid fluid under magnetic fields within the millisecond time, has the features such as volume is little, response is fast, damping force is adjustable.The MR damper of prior art is the magnetic field utilizing field coil to produce, and changes the viscosity of the magnetic flow liquid flowed in constant operation gap, realizes the control of damping force.Although the MR damper of prior art achieves mutative damp, still there is certain defect: adopt the constant working clearance to be difficult to export huge damping force; Single field coil is not good to the control effects of damping force.
Summary of the invention
The technical problem that the present invention need solve is: the technical problem existed for prior art, the invention provides a kind of compact structure rationally, become the working clearance and twin coil control damping, huge damping force can be exported and can be more precisely controlled MR damper.
In order to solve the problem, the solution that the present invention proposes is: the multistage diffraction of single pole active dual control mutative damp MR damper, it comprise stream become liquid cylinder module, be installed in described stream become liquid cylinder module left end left end cap, be installed in described stream become liquid cylinder module right-hand member right end cap module, be installed in described stream and become the diffraction piston modules of liquid cylinder inside modules, magnetic flow liquid and power supply.
Stream of the present invention becomes that liquid cylinder module comprises coil cylinder body, the master control coil be installed in described coil outer wall of cylinder block groove, be installed in the screen layer of described master control coil outer; Described coil cylinder body is the hollow cylinder of constant inner diameter; Described right end cap module comprises right end cap, is located at the bearing hole of described right end cap center, the bearing be installed in described bearing hole, be installed in the seal arrangement described right end cap sealing described bearing hole; Described diffraction piston modules comprises piston, one end be equiped with the described piston the other end by described seal arrangement and bearing reach described stream become liquid cylinder module-external piston rod, the ancillary coil be installed in described piston outer wall groove, be installed in the coil protect layer of described ancillary coil outside, be opened in the gradual change diffraction hole of serpentine bend internal diameter gradual change on described piston; The diameter of described piston equals the internal diameter of described coil cylinder body.
One end perforate internal diameter in described gradual change diffraction hole of the present invention is comparatively large, and be working clearance large mouth, the other end perforate internal diameter is less is working clearance osculum; The described coil cylinder body being full of magnetic flow liquid is divided into stream and becomes the left room of liquid and Liu Bian liquid right ventricle by described piston; Large mouth of described working clearance becomes the left room of liquid be connected with described stream, and described working clearance osculum is connected with described Liu Bian liquid right ventricle; Described power supply is installed on described right end cap, and is connected with described master control coil, ancillary coil with wire.
Compared with prior art, the invention has the advantages that: the multistage diffraction of single pole of the present invention active dual control mutative damp MR damper is provided with master control coil and ancillary coil, can realize controlling more accurately magnetic field; The present invention is also provided with gradual change diffraction hole, and magnetic flow liquid becomes the left room of liquid by gradual change diffraction hole at stream, Liu Bian liquid flows between right ventricle mutually, produces huge damping force.It can thus be appreciated that the present invention is rational in infrastructure, can export huge damping force, damping force is more precisely controlled.
Accompanying drawing explanation
Fig. 1 is the multistage diffraction of single pole of the present invention active dual control mutative damp MR damper structure principle chart.
Fig. 2 is the cross-sectional structure schematic diagram that the stream being full of magnetic flow liquid of the present invention becomes liquid cylinder module.
In figure, 1-stream becomes liquid cylinder module; 11-coil cylinder body; 12-master control coil; 13-screen layer; 2-left end cap; 3-right end cap module; 31-right end cap; 32-bearing hole; 33-bearing; 34-seal arrangement; 4-diffraction piston modules; 41-piston; 42-piston rod; 43-gradual change diffraction hole; 431-working clearance large mouth; 432-working clearance osculum; 44-ancillary coil; 45-coil protect layer; 51-stream becomes the left room of liquid; 52-Liu Bian liquid right ventricle; 6-power supply; 7-magnetic flow liquid.
Embodiment
Below with reference to the drawings and specific embodiments, the present invention is described in further detail.
Shown in Fig. 1 and Fig. 2, the multistage diffraction of single pole of the present invention active dual control mutative damp MR damper, comprise stream become liquid cylinder module 1, be installed in stream become liquid cylinder module 1 left end left end cap 2, be installed in stream become liquid cylinder module 1 right-hand member right end cap module 3, be installed in stream and become the diffraction piston modules 4 of liquid cylinder module 1 inside, magnetic flow liquid 7 and power supply 6.
Shown in Fig. 1 and Fig. 2, stream becomes that liquid cylinder module 1 comprises coil cylinder body 11, the master control coil 12 be installed in coil cylinder body 11 unit with grooves in outer wall, be installed in the screen layer 13 of master control coil 12 outside; Coil cylinder body 11 is the hollow cylinder of constant inner diameter; Right end cap module 3 comprises right end cap 31, is located at the bearing hole 32 of right end cap 31 center, the bearing 33 be installed in bearing hole 32, be installed in the seal arrangement 34 of seal shaft bearing bore 32 on right end cap 31; Diffraction piston modules 4 comprises piston 41, one end be equiped with piston 41 the other end by seal arrangement 34 and bearing 33 reach stream become liquid cylinder module 1 outside piston rod 42, the ancillary coil 44 be installed in piston 41 unit with grooves in outer wall, be installed in the coil protect layer 45 of ancillary coil 44 outside, be opened in the gradual change diffraction hole 43 of serpentine bend internal diameter gradual change on piston 41.
Shown in Fig. 1 and Fig. 2, the diameter of piston 41 equals the internal diameter of coil cylinder body 11; One end perforate internal diameter in gradual change diffraction hole 43 is comparatively large, and be working clearance large mouth 431, the other end perforate internal diameter is less is working clearance osculum 432; The coil cylinder body 11 being full of magnetic flow liquid 7 is divided into stream and becomes the left room 51 of liquid and Liu Bian liquid right ventricle 52 by piston 41; Working clearance large mouth 431 becomes the left room 51 of liquid with stream and is connected, and working clearance osculum 432 is connected with Liu Bian liquid right ventricle 52; Power supply 6 is installed on right end cap 31, and is connected with master control coil 12, ancillary coil 44 with wire.
Mutative damp principle: when diffraction piston modules 4 moves right, magnetic flow liquid 7 flows into gradual change diffraction hole 43 by Liu Bian liquid right ventricle 52 through working clearance osculum 432, and then flow into by working clearance large mouth 431 and become in the left room 51 of liquid, damping force enlarges markedly; When diffraction piston modules 4 is to left movement, magnetic flow liquid 7 becomes the left room of liquid 51 by stream and flows into the gradual change working clearance 43 through working clearance large mouth 431, and then flow into Liu Bian liquid right ventricle 52 by working clearance osculum 432, damping force significantly reduces; In diffraction piston modules 4 movement process, master control coil 12 can be started, ancillary coil 44 changes magnetic field, and then more accurately control damping force.
Claims (1)
1. the multistage diffraction of single pole active dual control mutative damp MR damper, is characterized in that: comprise stream become liquid cylinder module (1), be installed in described stream become liquid cylinder module (1) left end left end cap (2), be installed in described stream become liquid cylinder module (1) right-hand member right end cap module (3), be installed in described stream and become the inner diffraction piston modules (4) of liquid cylinder module (1), magnetic flow liquid (7) and power supply (6), described stream becomes that liquid cylinder module (1) comprises coil cylinder body (11), the master control coil (12) be installed in described coil cylinder body (11) unit with grooves in outer wall, be installed in the outside screen layer (13) of described master control coil (12), the hollow cylinder that described coil cylinder body (11) is constant inner diameter, described right end cap module (3) comprises right end cap (31), is located at the bearing hole (32) of described right end cap (31) center, the bearing (33) be installed in described bearing hole (32), be installed in the seal arrangement (34) of described right end cap (31) the described bearing hole of upper sealing (32), described diffraction piston modules (4) comprises piston (41), one end is equiped with described piston (41) the other end and reaches by described seal arrangement (34) and bearing (33) piston rod (42) that described stream becomes liquid cylinder module (1) outside, be installed in the ancillary coil (44) in described piston (41) unit with grooves in outer wall, be installed in the coil protect layer (45) that described ancillary coil (44) is outside, be opened in the gradual change diffraction hole (43) of the upper serpentine bend internal diameter gradual change of described piston (41), the diameter of described piston (41) equals the internal diameter of described coil cylinder body (11), one end perforate internal diameter of described gradual change diffraction hole (43) is comparatively large, and be the working clearance large mouth (431), the other end perforate internal diameter is less is working clearance osculum (432), the described coil cylinder body (11) being full of magnetic flow liquid (7) is divided into stream and becomes the left room of liquid (51) and Liu Bian liquid right ventricle (52) by described piston (41), large mouth of the described working clearance (431) becomes the left room of liquid (51) be connected with described stream, and described working clearance osculum (432) is connected with described Liu Bian liquid right ventricle (52), described power supply (6) is installed on described right end cap (31), and is connected with described master control coil (12), ancillary coil (44) with wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426859.3A CN105065555A (en) | 2015-07-20 | 2015-07-20 | Single-rod multistage diffraction active double-control variable damping magneto-rheological damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426859.3A CN105065555A (en) | 2015-07-20 | 2015-07-20 | Single-rod multistage diffraction active double-control variable damping magneto-rheological damper |
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| CN105065555A true CN105065555A (en) | 2015-11-18 |
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| CN201510426859.3A Pending CN105065555A (en) | 2015-07-20 | 2015-07-20 | Single-rod multistage diffraction active double-control variable damping magneto-rheological damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605141A (en) * | 2015-11-27 | 2016-05-25 | 上海工程技术大学 | Multi-barrel magnetorheological damping shock absorber capable of achieving cooperative work |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466514A (en) * | 1979-12-18 | 1984-08-21 | Stabilus Gmbh | Cylinder-piston device |
| DE3716819A1 (en) * | 1986-05-27 | 1987-12-03 | Volkswagen Ag | Telescopic Shock Absorber for Vehicles, especially telescopic shock absorber of a shock-absorber or spring strut |
| CN102128232A (en) * | 2011-02-25 | 2011-07-20 | 谭和平 | Multilevel retractable type magnetorheological damping device |
| CN102141108A (en) * | 2011-03-11 | 2011-08-03 | 王靖 | External electromagnet retractable type magnetorheological damper |
| CN202132434U (en) * | 2011-05-31 | 2012-02-01 | 安徽奥泰粉末冶金有限公司 | Piston for damper |
| CN202144849U (en) * | 2011-06-30 | 2012-02-15 | 西格玛集团有限公司 | MR vibration damper |
| CN102661353A (en) * | 2012-05-30 | 2012-09-12 | 石家庄铁道大学 | Magnetorheological damper with convenience in assembly and disassembly of coil component |
| CN203051609U (en) * | 2013-01-29 | 2013-07-10 | 谭晓婧 | Combined cylinder double-outlet-rod magneto-rheological damper |
| CN103511547A (en) * | 2013-10-28 | 2014-01-15 | 重庆大学 | Self-sensing magnetorheological damper adopting spiral damping channel |
| CN203685963U (en) * | 2014-02-05 | 2014-07-02 | 吉林大学 | Multistage spiral magneto-rheological shock absorber piston assembly |
| CN104033526A (en) * | 2014-06-27 | 2014-09-10 | 谭晓婧 | Magnetorheological damper with float ring and double outlet rods |
| CN203926577U (en) * | 2014-06-27 | 2014-11-05 | 四川工程职业技术学院 | Magnetorheological fluid shock absorber |
-
2015
- 2015-07-20 CN CN201510426859.3A patent/CN105065555A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466514A (en) * | 1979-12-18 | 1984-08-21 | Stabilus Gmbh | Cylinder-piston device |
| DE3716819A1 (en) * | 1986-05-27 | 1987-12-03 | Volkswagen Ag | Telescopic Shock Absorber for Vehicles, especially telescopic shock absorber of a shock-absorber or spring strut |
| CN102128232A (en) * | 2011-02-25 | 2011-07-20 | 谭和平 | Multilevel retractable type magnetorheological damping device |
| CN102141108A (en) * | 2011-03-11 | 2011-08-03 | 王靖 | External electromagnet retractable type magnetorheological damper |
| CN202132434U (en) * | 2011-05-31 | 2012-02-01 | 安徽奥泰粉末冶金有限公司 | Piston for damper |
| CN202144849U (en) * | 2011-06-30 | 2012-02-15 | 西格玛集团有限公司 | MR vibration damper |
| CN102661353A (en) * | 2012-05-30 | 2012-09-12 | 石家庄铁道大学 | Magnetorheological damper with convenience in assembly and disassembly of coil component |
| CN203051609U (en) * | 2013-01-29 | 2013-07-10 | 谭晓婧 | Combined cylinder double-outlet-rod magneto-rheological damper |
| CN103511547A (en) * | 2013-10-28 | 2014-01-15 | 重庆大学 | Self-sensing magnetorheological damper adopting spiral damping channel |
| CN203685963U (en) * | 2014-02-05 | 2014-07-02 | 吉林大学 | Multistage spiral magneto-rheological shock absorber piston assembly |
| CN104033526A (en) * | 2014-06-27 | 2014-09-10 | 谭晓婧 | Magnetorheological damper with float ring and double outlet rods |
| CN203926577U (en) * | 2014-06-27 | 2014-11-05 | 四川工程职业技术学院 | Magnetorheological fluid shock absorber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605141A (en) * | 2015-11-27 | 2016-05-25 | 上海工程技术大学 | Multi-barrel magnetorheological damping shock absorber capable of achieving cooperative work |
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Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |