CN103953667B - Efficiently magnetic current changing brake device - Google Patents
Efficiently magnetic current changing brake device Download PDFInfo
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- CN103953667B CN103953667B CN201410111419.4A CN201410111419A CN103953667B CN 103953667 B CN103953667 B CN 103953667B CN 201410111419 A CN201410111419 A CN 201410111419A CN 103953667 B CN103953667 B CN 103953667B
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- end cap
- brake
- gear
- magnetic
- reducing gear
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Abstract
The open a kind of efficiently magnetic current changing brake device of the present invention.Heretofore described first order reducing gear includes small Spur gear and the large straight gear engaged with small Spur gear；The second described reducing gear includes bevel pinion and the bevel gear wheel engaged with bevel pinion；Described arrestment mechanism is to use drum type brake magnetic rheological brake；Described drum type brake magnetic rheological brake is multi-barrel structure, mainly include magnet exciting coil, rotary shaft, left end cap, right end cap, bolt, every magnetic annulus, sealing ring, brake drum, keyway and bearing.The present invention is capable of the indirect braking by two reduction gear, improves braking ability.
Description
Technical field
The present invention relates to a kind of brake unit, particularly relate to a kind of magnetic current changing brake device.
Background technology
Magnetic flow liquid is a kind of SMART FLUID material, and it is by high magnetic permeability, low hysteresis made small soft magnetic granules and the suspended substance mixed of non-magnetic liquid.
Magnetic rheological brake is one of application of magnetic flow liquid, and it has the advantages such as volume is little, energy consumption is low, dynamic response is fast, has prospect of quoting widely.At present for the application of magnetic rheological brake, domestic disclosed a lot of patented technology, Patent publication No is that " impeller type magneto rheological fluid brake for vehicle " of CN 102401046 A provides a kind of magnetic rheological brake being applied to general-utility car, and Patent publication No is that " a kind of magnetorheological braking executive device for electric automobile " of CN 103057427 A provides a kind of magnetic current changing brake device being applied to electric automobile.But the application being similar to above-mentioned brake is all the drive shaft for high speed rotating directly brakes, and this mode of braking can make the amount of heat that brake produces, and affects the braking ability of magnetic rheological brake, and brakes unstable.
Summary of the invention
The present invention is directed to the problem that prior art exists, it is provided that a kind of efficiently magnetic current changing brake device.
The technical solution used in the present invention is: a kind of efficiently magnetic current changing brake device, including first order reducing gear, second level reducing gear and arrestment mechanism.Wherein said first order reducing gear includes small Spur gear and the large straight gear engaged with small Spur gear；The second described reducing gear includes bevel pinion and the bevel gear wheel engaged with bevel pinion；Described arrestment mechanism is to use drum type brake magnetic rheological brake；Described drum type brake magnetic rheological brake is multi-barrel structure, mainly include magnet exciting coil, rotary shaft, left end cap, right end cap, bolt, every magnetic annulus, sealing ring, brake drum, keyway and bearing.Described rotary shaft is provided with keyway；Described brake drum includes outer cylinder and two drag friction cylinder faces of inner cylinder, and brake drum is fixed on the rotating shaft by bonded；Described magnet exciting coil is arranged on magnetic annulus；Together with described left end cap is bolted with right end cap；Cavity is formed between described left end cap and right end cap；Described brake drum is arranged in cavity, there is the working clearance of 1mm between brake drum and left end cap and right end cap；Internal full magnetic flow liquid of described working clearance；It is provided with sealing ring between described left end cap and right end cap；It is provided with bearing between described left end cap, right end cap and rotary shaft.
Described drive shaft is connected by the first shaft coupling with the first reducing gear, and the first described reducing gear and the second reducing gear are connected by the second shaft coupling, and the second described reducing gear is connected by the 3rd shaft coupling with arrestment mechanism.
The present invention is compared with traditional brake, and its advantage is to have employed the drum type brake magnetic rheological brake of multi-barrel, and braking moment is big, dynamic response is fast, energy consumption is low, pollution-free.The present invention is capable of the indirect braking by two reduction gear, it is to avoid the directly braking to high-speed driving axle, the amount of heat produced when not only reducing braking, and reduces braking time.
Accompanying drawing explanation
Fig. 1 is the magnetic current changing brake device structural representation of the present invention.
Fig. 2 is the cylindrical magnetic rheology brake structural figure of the present invention.
Fig. 3 is the brake drum structural representation of the drum type brake magnetic rheological brake of the present invention.
In figure: 1. large straight gear 2. drive shaft 3. first shaft coupling 4. small Spur gear 5. second shaft coupling 6. bevel pinion 7. bevel gear wheel 8. the 3rd shaft coupling 9. drum type brake magnetic rheological brake 10. right end cap 11. rotary shaft 12. brake drum 12-1. outer cylinder 12-2. inner cylinder 13. is every magnetic annulus 14. sealing ring 15. bolt 16. magnet exciting coil 17. left end cap 18. keyway 19. bearing.
Detailed description of the invention
It is embodied as being further described to the present invention below in conjunction with the accompanying drawings.
A kind of efficiently magnetic current changing brake device of the present invention as shown in Figure 1, Figure 2 and Figure 3, including first order reducing gear, second level reducing gear and arrestment mechanism.Wherein said first order reducing gear includes small Spur gear 4 and the large straight gear 1 engaged with small Spur gear 4；The second described reducing gear includes bevel pinion 6 and the bevel gear wheel 7 engaged with bevel pinion 6；Described arrestment mechanism is to use drum type brake magnetic rheological brake 9.Described drum type brake magnetic rheological brake is multi-barrel structure, mainly include magnet exciting coil 16, rotary shaft 11, left end cap 17, right end cap 10, bolt 15, every magnetic annulus 13, sealing ring 14, brake drum 12, keyway 18 and bearing 19.Described rotary shaft 11 is provided with keyway 18；Described brake drum 12 includes outer cylinder 12-1 and two drag friction cylinder faces of inner cylinder 12-2, and brake drum is fixed in rotary shaft 11 by bonded；Described magnet exciting coil 16 is arranged on magnetic annulus 13；Described left end cap 17 is linked together by bolt 15 with right end cap 10；Cavity is formed between described left end cap 17 and right end cap 10；Described brake drum 12 is arranged in cavity, there is the working clearance of 1mm between brake drum and left end cap 17 and right end cap 10；Internal full magnetic flow liquid of described working clearance；It is provided with sealing ring 14 between described left end cap 17 and right end cap 10；It is provided with bearing 19 between described left end cap 17, right end cap 10 and rotary shaft 11.
Described drive shaft 2 is connected by the first shaft coupling 3 with the first reducing gear, and the first described reducing gear and the second reducing gear are connected by the second shaft joint 5, and the second described reducing gear is connected by the 3rd shaft coupling 8 with arrestment mechanism.
The operation principle of brake unit of the present invention is as follows:
In work process, during drive shaft high-speed rotation, the rotation of small Spur gear 4 is driven by the first shaft coupling 3, small Spur gear 4 drives the rotation of large straight gear 1 by gear engagement, large straight gear 1 drives the rotation of bevel pinion 6 by the second shaft coupling 5, bevel pinion 6 drives the rotation of bevel gear wheel 7 by gear engagement, bevel gear wheel 7 drives the work of drum type brake magnetic rheological brake 9 by the 3rd shaft coupling 8, due to the effect of two reduction gear, the rotating speed relative drive shaft 2 of drum type brake magnetic rheological brake 9 internal detent cylinder 12 is less.When this device needs braking, drum type brake magnetic rheological brake 9 impressed current, magnet exciting coil 16 produces magnetic field, and magnetic flow liquid is changed into the Bingham body of high viscosity, lazy flow under the action of a magnetic field by Newtonian fluid state, brake drum 12 is produced shear stress, is finally reached braking effect.
Claims (1)
1. efficient magnetic current changing brake device, including the first reducing gear, the second reducing gear and brake
Structure, it is characterised in that: the first described reducing gear include small Spur gear (4) and with small Spur gear (4)
The large straight gear (1) of engagement；The second described reducing gear includes bevel pinion (6) and and small bevel gear
The bevel gear wheel (7) that wheel (6) engages；Drive shaft (2) and the first reducing gear are by the first shaft coupling
(3) being connected, the first described reducing gear and the second reducing gear are connected by the second shaft joint (5)
Connecing, the second described reducing gear is connected by the 3rd shaft coupling (8) with arrestment mechanism；Described
Arrestment mechanism uses drum type brake magnetic rheological brake (9)；Described drum type brake magnetic rheological brake (9)
For multi-barrel structure, mainly include magnet exciting coil (16), rotary shaft (11), left end cap (17),
Right end cap (10), bolt (15), every magnetic annulus (13), sealing ring (14), brake drum (12),
Keyway (18) and bearing (19)；Described rotary shaft (11) is provided with keyway (18)；Described brake drum
(12) including outer cylinder (12-1) and two drag friction cylinder faces of inner cylinder (12-2), brake drum passes through key
It is fastened in rotary shaft (11)；Described magnet exciting coil (16) is arranged on magnetic annulus (13)；Institute
The left end cap (17) stated is linked together by bolt (15) with right end cap (10)；Described left end cap (17)
And form cavity between right end cap (10)；Described brake drum (12) is arranged in cavity, braking
The working clearance is there is between cylinder (12) and left end cap (17) and right end cap (10)；Described work
Inner space is full of magnetic flow liquid；It is provided with sealing between described left end cap (17) and right end cap (10)
Circle (14)；It is provided with axle between described left end cap (17), right end cap (10) and rotary shaft (11)
Hold (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111419.4A CN103953667B (en) | 2014-03-24 | 2014-03-24 | Efficiently magnetic current changing brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111419.4A CN103953667B (en) | 2014-03-24 | 2014-03-24 | Efficiently magnetic current changing brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953667A CN103953667A (en) | 2014-07-30 |
| CN103953667B true CN103953667B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410111419.4A Active CN103953667B (en) | 2014-03-24 | 2014-03-24 | Efficiently magnetic current changing brake device |
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| CN (1) | CN103953667B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404898B (en) * | 2014-12-02 | 2016-03-16 | 四川大学 | The magnetorheological deceleration strip of passive self-adaptive |
| CN105398902B (en) * | 2015-12-25 | 2018-06-29 | 辽宁优力安机电设备有限公司 | The detection device and method of elevator magnetorheological fluid brake braking moment |
| CN108443360A (en) * | 2018-04-26 | 2018-08-24 | 南京工业职业技术学院 | A kind of baby carriage speed limiting device and perambulator |
| CN108980260B (en) * | 2018-10-11 | 2024-04-02 | 中国船舶重工集团公司第七一三研究所 | Magnetorheological damper and magnetorheological fluid filling method |
| CN109826904A (en) * | 2019-03-20 | 2019-05-31 | 华东交通大学 | A kind of double drum revolving type magnetic rheologic dampers |
| CN109973559B (en) * | 2019-04-04 | 2020-09-04 | 诸暨市傲雨机械配件厂 | Electrorheological fluid type automobile braking device |
| CN110873147B (en) * | 2019-11-07 | 2021-08-13 | 东南大学 | Symmetrical multi-cylinder rotary magnetorheological damper |
| CN115949696A (en) * | 2022-12-26 | 2023-04-11 | 东华大学 | Magnetorheological damper for intelligent transmission joint of robot |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3144921A (en) * | 1960-12-30 | 1964-08-18 | Pure Oil Co | Electrofluid coupling |
| US5524743A (en) * | 1991-01-24 | 1996-06-11 | British Technology Group Ltd. | Quick-acting drive devices |
| DE19737766A1 (en) * | 1996-09-03 | 1998-03-05 | Peter Kobler | Visco-coupling used in planetary gearing |
| KR100562767B1 (en) * | 1998-03-04 | 2006-03-20 | 보그-워너 인코포레이티드 | Motor vehicle transfer case assembly and differential assembly inculding a magnetorheological fluid clutch |
| KR100323363B1 (en) * | 1998-12-01 | 2002-04-17 | 박호군 | Electro-rheological clutch type pneumatic pressure drive reversible motor |
| CN101225859A (en) * | 2007-12-30 | 2008-07-23 | 江苏技术师范学院 | Magneto-rheologic liquid brake |
| CN102359513B (en) * | 2011-10-31 | 2013-01-02 | 徐州五洋科技股份有限公司 | Water-cooled magnetorheological soft start device |
| JP2013242014A (en) * | 2012-05-22 | 2013-12-05 | Somic Ishikawa Inc | Braking device |
| CN203836032U (en) * | 2014-03-24 | 2014-09-17 | 杭州电子科技大学 | High-efficient magneto-rheological braking device |
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2014
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| CN103953667A (en) | 2014-07-30 |
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Effective date of registration: 20210521 Address after: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. Address before: 310018 No. 2 street, Xiasha Higher Education Zone, Hangzhou, Zhejiang Patentee before: HANGZHOU DIANZI University |
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Effective date of registration: 20220117 Address after: 215100 floors 1-3, plant 1, building 4, No. 4425, Wuzhong Avenue, Hengjing street, Wuzhong Economic Development Zone, Suzhou, Jiangsu Province Patentee after: Zhongke Masco (Jiangsu) Intelligent Technology Co.,Ltd. Address before: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Patentee before: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. |