CN102297231A - Rotary magneto-rheological damper - Google Patents
Rotary magneto-rheological damper Download PDFInfo
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- CN102297231A CN102297231A CN2011102406641A CN201110240664A CN102297231A CN 102297231 A CN102297231 A CN 102297231A CN 2011102406641 A CN2011102406641 A CN 2011102406641A CN 201110240664 A CN201110240664 A CN 201110240664A CN 102297231 A CN102297231 A CN 102297231A
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Abstract
The invention discloses a rotary magneto-rheological damper which comprises an outer shell and a rotating shaft; a disc-shaped support is arranged in the outer shell; the center of the disc-shaped support is connected with the rotating shaft; a circular damping ring is connected onto the disc-shaped support; outer loop-type excitation coils are inlaid on the outer circumference of the circular damping ring, and inner loop-type excitation coils are inlaid on the inner circumference of the circular damping ring; an external magneto-rheological fluid flow gap is formed between the outer circle of the circular damping ring and the inner wall of the outer shell; an inner layered circular barrel is connected onto a right end cover in a sealed way; the inner layered circular barrel is arranged in the circular damping ring; a power transmission shaft is fixedly connected to the center of the bottom of the inner layered circular barrel; and internal magneto-rheological fluid flow gap is formed between the inner layered circular barrel and the circular damping ring; and magneto-rheological fluid is fully filled in the magneto-rheological damper. Because one damping gap is added, the rotary magneto-rheological damper can obtain larger damping force, so that the defects of the prior art that the magnetic field efficiency and the working efficiency of the rotary magneto-rheological damper are low are overcome.
Description
Technical field
The present invention relates to a kind of damper, particularly a kind of rotation MR damper.
Background technique
The rotating machinery of existing revolving type magnetic rheologic damper mostly is disc type or cylindrical, as Chinese patent application number be: the rotating machinery of 200510040890.X " high performance, multiple plates, revolving type magnetic rheologic damper " is disc type, this disc type rotation MR damper will obtain bigger damping force, the quantity that needs to improve the radial dimension of disk or increase disk, people are improved to cylindrical with the rotating machinery of revolving type magnetic rheologic damper again, as Chinese patent application number be: the rotating machinery of 01113721.3 " revolving type magnetic rheologic damper " is cylindrical, although this cylindrical rotation MR damper is compared with disc type rotation MR damper, under identical diameter condition, can provide bigger damping force, but still have the not high and ineffective deficiency of magnetic field utilization ratio.
Summary of the invention
Purpose of the present invention is exactly at the deficiencies in the prior art, and a kind of not high and ineffective rotation MR damper of magnetic field efficient that overcomes is provided.
For achieving the above object, the present invention adopts following technological scheme:
A kind of rotation MR damper, comprise shell, the rotating shaft of solid of rotation, and the left end cap, the right end cap that are connected two ends, the shell left and right sides, it is characterized in that: be provided with discoid support in the enclosure, the center of discoid support is connected with rotating shaft, and the center hole that the other end of rotating shaft passes left end cap places the outside of left end cap; On discoid support, be connected with the ring damping ring, the ring damping ring is located at the opposite side relative with rotating shaft, ring-like field coil outside on the excircle of ring damping ring, being inlaid with, on the inner circumference of ring damping ring, be inlaid with the inner ring type field coil, form the mobile gap of outer magnetic flow liquid between the cylindrical of ring damping ring and the outer casing inner wall, the mobile gap of this outer magnetic flow liquid is outer magnetorheological damping passage; The airtight internal layer drum that is connected with on right end cap, the internal layer drum places the ring damping ring, and with ring damping ring concentric, bucket end center fixation at the internal layer drum is connected with power transmission shaft, the other end of power transmission shaft passes right end cap, power transmission shaft is used to connect the pto of motive power outputting apparatus, the mobile gap of magnetic flow liquid in forming between internal layer drum and ring damping ring, magnetorheological damping passage in the mobile gap of interior magnetic flow liquid is; Be provided with damping ring lighting outlet passage on the ring damping ring, the two ends of damping ring lighting outlet passage are communicated with the power line Outlet of outer ring-like field coil, inner ring type field coil respectively; On discoid support, be provided with discoid support lighting outlet extraction channel, on the axis of rotating shaft, be provided with rotating shaft lighting outlet passage, rotating shaft lighting outlet through hole is communicated with discoid support lighting outlet extraction channel, discoid support lighting outlet extraction channel and damping ring lighting outlet channel connection, the power line that is connected with power supply passes rotating shaft lighting outlet passage, discoid support lighting outlet extraction channel, damping ring lighting outlet passage and is connected with outer ring-like field coil, inner ring type field coil respectively, has been full of magnetic flow liquid in MR damper.
Owing to taked technique scheme, owing to make beyond the magnetorheological damping passage reservation between shell and the ring damping ring having increased the internal layer drum, also increased the interior magnetorheological damping passage between ring damping ring and the internal layer drum, therefore bigger damping force be can obtain, magnetic field efficient and working efficiency improved.
Preferably, be provided with in the center hole of described left end cap seal ring and and axial lubricating bearings, seal ring and axial lubricating bearings are used for countershaft) and shell between seal.
A kind of rotation MR damper beneficial effect of the present invention is, because rotation MR damper of the present invention has increased a damping gap, compare with existing revolving type magnetic rheologic damper and can obtain bigger damping force, overcome efficient not high and inefficiency defective in revolving type magnetic rheologic damper magnetic field in the prior art.
Description of drawings
Fig. 1 is the structural representation that the present invention rotates MR damper;
Fig. 2 is an A-A sectional view among Fig. 1;
Fig. 3 is the present invention and the structural representation that is connected motive power outputting apparatus 27 connections.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing, but therefore do not limit the present invention among the described scope of embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of rotation MR damper, comprise shell 7, the rotating shaft 1 of solid of rotation, and the left end cap 15, the right end cap 12 that are connected two ends, shell 7 left and right sides, it is characterized in that: in shell 7, be provided with discoid support 17, the center of discoid support 17 is connected with rotating shaft 1, and the center hole 20 that the other end of rotating shaft 1 passes left end cap 15 places the outside of left end cap 15; On discoid support 17, be connected with ring damping ring 14, ring damping ring 14 is located at the opposite side relative with rotating shaft 1, ring-like field coil 9 outside on the excircle of ring damping ring 14, being inlaid with, on the inner circumference of ring damping ring 14, be inlaid with inner ring type field coil 23, form the mobile gap 8 of outer magnetic flow liquid between the cylindrical of ring damping ring 14 and shell 7 inwalls, the mobile gap 8 of this outer magnetic flow liquid is outer magnetorheological damping passage; The airtight internal layer drum 21 that is connected with on right end cap 12, internal layer drum 21 places ring damping ring 14, and with ring damping ring 14 concentrics, the bucket ends 13 center fixation at internal layer drum 21 is connected with power transmission shaft 11, the other end of power transmission shaft 11 passes right end cap 12, power transmission shaft 11 is used to connect the pto of motive power outputting apparatus 27, the mobile gap 10 of magnetic flow liquid between internal layer drum 21 and ring damping ring 14, forming, magnetorheological damping passage in the mobile gap 10 of interior magnetic flow liquid is; Be provided with damping ring lighting outlet passage 6 on ring damping ring 14, the two ends of damping ring lighting outlet passage 6 are communicated with the power line Outlet of outer ring-like field coil 9, inner ring type field coil 23 respectively; On discoid support 17, be provided with discoid support lighting outlet extraction channel 5, on the axis of rotating shaft 1, be provided with rotating shaft lighting outlet passage 2, rotating shaft lighting outlet through hole 2 is communicated with discoid support lighting outlet extraction channel 5, discoid support lighting outlet extraction channel 5 is communicated with damping ring lighting outlet passage 6, the power line 18 that is connected with power supply 19 passes rotating shaft lighting outlet passage 2, discoid support lighting outlet extraction channel 5, damping ring lighting outlet passage 6 and is connected with outer ring-like field coil 9, inner ring type field coil 23 respectively, has been full of magnetic flow liquid 16 in MR damper.
Be provided with in the center hole 20 of described left end cap 15 seal ring 4 and and axial lubricating bearings 3, seal ring 4 and axially lubricating bearings 3 be used for sealing between countershaft 1 and the shell 7.
Working principle
After will having the rotating shaft 1 of center hole fixing, when motive power outputting apparatus drives power transmission shaft 11 rotations, the power transmission shaft 11 of rotation will drive shell 7 rotations, when controlling the not inner ring type field coil 23 on ring damping ring 14 inside and outside circle perisporiums of power supply 19, when outer ring-like field coil 9 is switched on, all there is not electromagnetic field in the gap between the internal and external layer cylinder of ring damping ring 14 and shell 7, at this moment, magnetic flow liquid 16 between the internal diameter of the external diameter of ring damping ring 14 and shell 7 outer cylinders, and the viscosity that the magnetic flow liquid between the external diameter of the internal diameter of damping ring and shell inner layer cylinder 21 16 flows is minimum, and motive power outputting apparatus 27 drives the suffered damping due to rotation power minimum of power transmission shaft 11;
When control power supply 19 passes through the inner ring type field coil 23 of lighting outlet 18 on ring damping ring 14 inside and outside circle perisporiums, after switching on when outer ring-like field coil 9 is switched on, in the gap certain electromagnetic field intensity has been arranged all between the inboard bucket wall of ring damping ring 14 and shell 7 and the internal layer drum 21, the viscosity that magnetic flow liquid 16 between the external diameter of the internal diameter of magnetic flow liquid 16 between the internal diameter of the external diameter of ring damping ring 14 and shell 7 and ring damping ring 14 and internal layer drum 21 flows is improved, make motive power outputting apparatus 27 drive power transmission shafts 11 suffered damping due to rotation power and increase.
Adjustment is input to the inner ring type field coil 23 on the ring damping ring 14 inside and outside circle perisporiums, the size of current in the outer ring-like field coil 9, can adjust the size of rotation MR damper output damping force, thereby realize control rotation MR damper output damping force; Under the same diameter condition,, compare with existing revolving type magnetic rheologic damper and can obtain bigger damping force because rotation MR damper of the present invention has increased a damping gap.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. one kind is rotated MR damper, comprise shell (7), the rotating shaft (1) of solid of rotation, and the left end cap (15), the right end cap (12) that are connected shell (7) two ends, the left and right sides, it is characterized in that: in shell (7), be provided with discoid support (17), the center of discoid support (17) is connected with rotating shaft (1), and the center hole (20) that the other end of rotating shaft (1) passes left end cap (15) places the outside of left end cap (15); On discoid support (17), be connected with ring damping ring (14), ring damping ring (14) is located at and the relative opposite side of rotating shaft (1), ring-like field coil (9) outside on the excircle of ring damping ring (14), being inlaid with, on the inner circumference of ring damping ring (14), be inlaid with inner ring type field coil (23), form the mobile gap (8) of outer magnetic flow liquid between the cylindrical of ring damping ring (14) and shell (7) inwall, the mobile gap (8) of this outer magnetic flow liquid is outer magnetorheological damping passage; Go up the airtight internal layer drum (21) that is connected with at right end cap (12), internal layer drum (21) places ring damping ring (14), and with ring damping ring (14) concentric, the bucket end (13) center fixation at internal layer drum (21) is connected with power transmission shaft (11), the other end of power transmission shaft (11) passes right end cap (12), power transmission shaft (11) is used to connect the pto of motive power outputting apparatus (27), the magnetic flow liquid gap (10) of flowing in forming between internal layer drum (21) and ring damping ring (14), the interior magnetic flow liquid gap (10) of flowing is interior magnetorheological damping passage; Be provided with damping ring lighting outlet passage (6) on ring damping ring (14), the two ends of damping ring lighting outlet passage (6) are communicated with the power line Outlet of outer ring-like field coil (9), inner ring type field coil (23) respectively; On discoid support (17), be provided with discoid support lighting outlet extraction channel (5), on the axis of rotating shaft (1), be provided with rotating shaft lighting outlet passage (2), rotating shaft lighting outlet through hole (2) is communicated with discoid support lighting outlet extraction channel (5), discoid support lighting outlet extraction channel (5) is communicated with damping ring lighting outlet passage (6), the power line (18) that is connected with power supply (19) passes rotating shaft lighting outlet passage (2), discoid support lighting outlet extraction channel (5), damping ring lighting outlet passage (6) respectively with outer ring-like field coil (9), inner ring type field coil (23) connects, and has been full of magnetic flow liquid (16) in MR damper.
2. a kind of rotation MR damper according to claim 1, it is characterized in that: be provided with in the center hole (20) of described left end cap (15) seal ring (4) and and axial lubricating bearings (3), seal ring (4) and axial lubricating bearings (3) are used for sealing between countershaft (1) and the shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102406641A CN102297231A (en) | 2011-08-22 | 2011-08-22 | Rotary magneto-rheological damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102406641A CN102297231A (en) | 2011-08-22 | 2011-08-22 | Rotary magneto-rheological damper |
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| CN102297231A true CN102297231A (en) | 2011-12-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537192A (en) * | 2012-02-24 | 2012-07-04 | 谭晓婧 | Rotary damper with magnetorheological elastomer |
| CN102562923A (en) * | 2012-02-08 | 2012-07-11 | 谢宁 | Rotary magnetorheological damper with magnetorheological elastomer |
| CN104896000A (en) * | 2015-04-08 | 2015-09-09 | 重庆大学 | A multi-shearing surface magnetorheological torsion damper and a car seat with the same |
| CN105570374A (en) * | 2014-10-17 | 2016-05-11 | 株洲时代新材料科技股份有限公司 | Rotary magneto-rheological damper |
| CN107340783A (en) * | 2017-07-12 | 2017-11-10 | 华南农业大学 | Two degrees of freedom haptic remote control and its control method based on magnetic flow liquid |
| CN109826904A (en) * | 2019-03-20 | 2019-05-31 | 华东交通大学 | A kind of double drum revolving type magnetic rheologic dampers |
| CN114877009A (en) * | 2022-05-16 | 2022-08-09 | 郑州大学 | Intelligent magnetorheological damper with anti-settling function and method for controlling damping force output |
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| US5573088A (en) * | 1994-05-10 | 1996-11-12 | Daniels; John J. | Controllable resistance device and force dampener, and vehicle utilizing the same |
| US5878997A (en) * | 1997-09-10 | 1999-03-09 | Lucent Technologies Inc. | Compact low-inductance magnetorheological damper |
| CN1727720A (en) * | 2005-06-30 | 2006-02-01 | 中国科学技术大学 | High performance, multiple plates, revolving type magnetic rheologic damper |
| JP2008202744A (en) * | 2007-02-22 | 2008-09-04 | Kayaba Ind Co Ltd | Rotary damper |
| CN101718324A (en) * | 2009-12-29 | 2010-06-02 | 重庆仪表材料研究所 | Wobble wheel rotary magneto-rheological damper |
| CN102022472A (en) * | 2010-12-23 | 2011-04-20 | 上海应用技术学院 | Rotary foam metal magnetorheological fluid damper |
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2011
- 2011-08-22 CN CN2011102406641A patent/CN102297231A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5573088A (en) * | 1994-05-10 | 1996-11-12 | Daniels; John J. | Controllable resistance device and force dampener, and vehicle utilizing the same |
| US5878997A (en) * | 1997-09-10 | 1999-03-09 | Lucent Technologies Inc. | Compact low-inductance magnetorheological damper |
| CN1727720A (en) * | 2005-06-30 | 2006-02-01 | 中国科学技术大学 | High performance, multiple plates, revolving type magnetic rheologic damper |
| JP2008202744A (en) * | 2007-02-22 | 2008-09-04 | Kayaba Ind Co Ltd | Rotary damper |
| CN101718324A (en) * | 2009-12-29 | 2010-06-02 | 重庆仪表材料研究所 | Wobble wheel rotary magneto-rheological damper |
| CN102022472A (en) * | 2010-12-23 | 2011-04-20 | 上海应用技术学院 | Rotary foam metal magnetorheological fluid damper |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562923A (en) * | 2012-02-08 | 2012-07-11 | 谢宁 | Rotary magnetorheological damper with magnetorheological elastomer |
| CN102537192A (en) * | 2012-02-24 | 2012-07-04 | 谭晓婧 | Rotary damper with magnetorheological elastomer |
| CN102537192B (en) * | 2012-02-24 | 2013-10-02 | 谭晓婧 | Rotary damper with magnetorheological elastomer |
| CN105570374A (en) * | 2014-10-17 | 2016-05-11 | 株洲时代新材料科技股份有限公司 | Rotary magneto-rheological damper |
| CN105570374B (en) * | 2014-10-17 | 2019-03-15 | 株洲时代新材料科技股份有限公司 | A kind of revolving type magnetic rheologic damper |
| CN104896000A (en) * | 2015-04-08 | 2015-09-09 | 重庆大学 | A multi-shearing surface magnetorheological torsion damper and a car seat with the same |
| CN104896000B (en) * | 2015-04-08 | 2016-11-23 | 重庆大学 | Many shear surfaces magneto-rheological torsion damper and automotive seat thereof |
| CN107340783A (en) * | 2017-07-12 | 2017-11-10 | 华南农业大学 | Two degrees of freedom haptic remote control and its control method based on magnetic flow liquid |
| CN107340783B (en) * | 2017-07-12 | 2020-04-17 | 华南农业大学 | Two-degree-of-freedom touch remote controller based on magnetorheological fluid and control method thereof |
| CN109826904A (en) * | 2019-03-20 | 2019-05-31 | 华东交通大学 | A kind of double drum revolving type magnetic rheologic dampers |
| CN114877009A (en) * | 2022-05-16 | 2022-08-09 | 郑州大学 | Intelligent magnetorheological damper with anti-settling function and method for controlling damping force output |
| CN114877009B (en) * | 2022-05-16 | 2024-02-23 | 郑州大学 | Intelligent magnetorheological damper with anti-sedimentation function and method for controlling damping force output |
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Application publication date: 20111228 |