CN104565120B - A kind of magnetic flow liquid becomes torquer - Google Patents
A kind of magnetic flow liquid becomes torquer Download PDFInfo
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- CN104565120B CN104565120B CN201410743694.8A CN201410743694A CN104565120B CN 104565120 B CN104565120 B CN 104565120B CN 201410743694 A CN201410743694 A CN 201410743694A CN 104565120 B CN104565120 B CN 104565120B
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- magnetic conductive
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- magnetic
- right rotation
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- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a kind of magnetic flow liquid becomes torquer, belong to technical field of mechanical power transfer.Magnet exciting coil (12) is in the groove that anticlockwise magnetic conductive board (1) and right rotation magnetic conductive board (9) are constituted；The single disc-type drive mechanism series connection being made up of multiple anticlockwise magnetic conductive board (1), right rotation magnetic conductive board (9), magnet exciting coil (12) and drive plate (8), and be fixedly connected by the connection ring (10)；Full of magnetic flow liquid driving medium in gap between drive plate (8) and anticlockwise magnetic conductive board (1) and right rotation magnetic conductive board (9), between each drive mechanism, there is air flow gap, form the air-cooled drive mechanism of array.This magnetic flow liquid becomes torquer transmitting torque greatly, and radiating effect is obviously improved, and radial dimension is little, it is adaptable to the high pulling torque power transmission occasion required by radial dimension；The drive mechanism can be used on the occasion that cannot adopt current cooling without the need for cooling water using from wind-cooling heat dissipating.
Description
Technical field
The present invention relates to a kind of magnetic flow liquid device, specifically a kind of magnetic flow liquid change torquer, belong to machine power
Transfer Technology field.
Background technology
Magnetic flow liquid (Magnetorheological Fluids, MRF) is a kind of typical intelligent material, mainly by
Soft magnetic particles, base load liquid and the additive composition on soft magnetic particles surface is wrapped in, magnetic flow liquid viscosity has field controllable
Characteristic.Essential characteristic is：Under additional magnetic fields, the particle in magnetic flow liquid forms the chain of fiber bundle-like along magnetic direction,
The free-flowing of base load liquid is hindered, makes magnetic flow liquid be changed into the viscoplastic fluid with certain shearing force from Newtonian fluid,
There is strong " solidification " phenomenon；And when externally-applied magnetic field disappears, magnetic flow liquid returns to free-flowing (liquid).Magnetic current
Become liquid when certain externally-applied magnetic field is acted on, the characteristic such as its visco-plasticity will produce change, referred to as magnetic rheology effect.Last century 90
Age, magnetic flow liquid correlation technology of preparing are broken through, and application technical research starts to rise so as to applies fast development, exists
The fields such as damper, shock absorber, change torquer (clutch, brake etc.), burnishing device, composite component have obtained extensively should
With having broad application prospects.Wherein, it is developed as driving medium with magnetic flow liquid that magnetic flow liquid becomes torquer
New type power Transfer Technology is planted, and magnetic flow liquid becomes torquer and is divided into two parts of principal and subordinate, and magnetic flow liquid is full of between principal and subordinate part
Driving medium, the method by changing magnetic field intensity suffered by magnetic flow liquid, changes the viscosity of magnetic flow liquid, to realize principal and subordinate part
Between torque stepless control；Compared with becoming torquer with tradition, with small volume, low, the little, noise of abrasion that consumes energy is low and responds speed
The advantages of spending fast.
At present, the patent of relevant magnetic flow liquid change torquer has a lot, such as：China disclosed in 16 days January in 2002
Patent " radially self-pressurizing clutch with magnetic rheologic liquid " (application number：00104451.6), the magnetic rheological clutch does not consider that radiating is asked
Topic, radiating effect are poor.Chinese patent " magneto-rheological stepless speed changer " (application number disclosed in August in 2010 4 days：
201010121882.9), the magnetic rheological clutch repeats stacked system transmitting torque using polydisc, although can transmit larger torsion
Square, but which adopts the continuous stacked system of polydisc, and radiating effect is poor.A kind of 2 months 2012 Chinese patent " water-cooleds disclosed in 22 days
Formula magnetic rheological soft startor " (application number：201110334597.X), the device is radiated using water-cooling pattern, but current cooling
Passage easily causes the increase of magnetic circuit reluctance, reduces transmitting torque and needs substantial amounts of cooling water, it is impossible to for water shortage occasion, with
When structural volume huge.
Content of the invention
For the problem that above-mentioned prior art is present, the present invention provides a kind of magnetic flow liquid and becomes torquer, and device is radially
Size is little, transmitting torque is big；Significantly improve radiating effect, it is adaptable to the air-cooled transmission occasion of high pulling torque that radial dimension is required.
To achieve these goals, this magnetic flow liquid becomes torquer includes the driving part on bearing block, with
And coordinate the slave unit that installs with the driving part, magnetic flow liquid driving medium is full of between principal and subordinate's dynamic component；
Driving part includes driving shaft, anticlockwise magnetic conductive board, right rotation magnetic conductive board, connection ring and magnet exciting coil；
Slave unit includes driven shaft, drive plate, wide sleeve and narrow sleeve, and drive plate is fixed on described driven by spline
On axle, each drive plate is separated on the driven shaft by the wide sleeve set successively；
The magnet exciting coil is in the groove that anticlockwise magnetic conductive board is constituted with right rotation magnetic conductive board；
The single disc-type transmission being made up of multiple anticlockwise magnetic conductive boards, right rotation magnetic conductive board, magnet exciting coil and drive plate
Structures in series, and be fixedly connected by the connection ring；
It is situated between full of magnetic flow liquid transmission in gap between the drive plate and anticlockwise magnetic conductive board and right rotation magnetic conductive board
, there is air flow gap in matter, form the air-cooled drive mechanism of array between each drive mechanism.
Further, narrow sleeve is fixedly mounted by screw on the driven shaft.
Further, the gap between the drive plate and anticlockwise magnetic conductive board and right rotation magnetic conductive board is close by sealing ring
Envelope.
Further, thermal expansion hole is opened up on the anticlockwise magnetic conductive board and right rotation magnetic conductive board at two ends.
Compared with prior art, this magnetic flow liquid becomes torquer using single-deck axial direction array drive mechanism, will be multiple
There is air flow gap between the series connection of single disc-type drive mechanism and single disc-type structure, transmitting torque is big, and radiating effect is shown
The lifting of work, and radial dimension is little, it is adaptable to for the high pulling torque power that radial dimension is required transmits occasion；Additionally, the biography
Dynamic structure can be used on the occasion that cannot adopt current cooling without the need for cooling water using from wind-cooling heat dissipating.
Description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention；
In figure：1st, anticlockwise magnetic conductive board, 2, driven shaft, 3, driving shaft, 4, collector ring, 5, sealing ring, 6, bearing block, 7, heat
Inflation port, 8, drive plate, 9, right rotation magnetic conductive board, 10, connection ring, 11, wide sleeve, 12, magnet exciting coil, 13, narrow sleeve, 14,
End cap.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, this magnetic flow liquid becomes torquer includes the driving part on bearing block 6, and with institute
State driving part and coordinate the slave unit that installs, between principal and subordinate's dynamic component, be full of magnetic flow liquid driving medium；
Driving part includes driving shaft 3, anticlockwise magnetic conductive board 1, right rotation magnetic conductive board 9, connection ring 10 and magnet exciting coil 12；
Slave unit includes that driven shaft 2, drive plate 8, wide sleeve 11 and narrow sleeve 13, drive plate 8 are fixed on by spline
On the driven shaft 2, the wide sleeve 11 is sleeved on the driven shaft 2 and separates each drive plate 8 successively；
The magnet exciting coil 12 is in the groove that anticlockwise magnetic conductive board 1 is constituted with right rotation magnetic conductive board 9；
The single disc-type being made up of multiple anticlockwise magnetic conductive boards 1, right rotation magnetic conductive board 9, magnet exciting coil 12 and drive plate 8
Drive mechanism is connected, and is fixedly connected by the connection ring 10；
It is driven full of magnetic flow liquid in gap between the drive plate 8 and anticlockwise magnetic conductive board 1 and right rotation magnetic conductive board 9
, there is air flow gap in medium, form the air-cooled drive mechanism of array between each drive mechanism.Radial dimension is little, and transmission is turned round
Square is big, good heat dissipation effect.
When magnet exciting coil 12 is powered by collector ring 4, variable magnetic field can be produced in the magnetic flow liquid working clearance, magnetorheological
Liquid viscosity under magnetic fields becomes big, and driving part drives slave unit rotation by the magnetic flow liquid of variable viscosity, realizes not
Transmission with moment of torsion.According to the requirement of transmission power, can arbitrarily increase and decrease the quantity of series circuit.
Further, narrow sleeve 13 is fixedly mounted by screw on the driven shaft 2.To prevent 8 or so play of drive plate.
Further, the gap between the drive plate 8 and anticlockwise magnetic conductive board 1 and right rotation magnetic conductive board 9 passes through sealing ring 5
Sealing.
Further, thermal expansion hole 7 is opened up on the anticlockwise magnetic conductive board 1 and right rotation magnetic conductive board 9 at two ends.When the array
When formula magnetic flow liquid change torquer is in running order, the magnetic flow liquid of working clearance is produced heat, temperature by frictional force effect
Degree is raised, and magnetic flow liquid volume expands, and magnetic flow liquid, is prevented to offset the volumetric expansion of being heated of magnetic flow liquid by thermal expansion hole
The leakage of magnetic flow liquid is only produced.
In sum, this magnetic flow liquid becomes torquer using single-deck axial direction array drive mechanism, by multiple single disc-types
There is air flow gap between drive mechanism series connection and single disc-type structure, transmitting torque is big, and radiating effect has obtained significantly carrying
Rise, and radial dimension is little, it is adaptable to for the high pulling torque power that radial dimension is required transmits occasion；Additionally, the drive mechanism
Without the need for cooling water, using from wind-cooling heat dissipating, the occasion that cannot adopt current cooling is can be used on.
Claims (4)
1. a kind of magnetic flow liquid becomes torquer, including the driving part on bearing block (6), and with the initiative part
Part coordinates the slave unit that installs；
Driving part includes driving shaft (3), anticlockwise magnetic conductive board (1), right rotation magnetic conductive board (9), connection ring (10) and excitation wire
Circle (12)；
Slave unit includes that driven shaft (2), drive plate (8), wide sleeve (11) and narrow sleeve (13), drive plate (8) pass through spline
It is fixed on the driven shaft (2), wide sleeve (11) are sleeved on each drive plate (8) on the driven shaft (2) successively
Separate；
Characterized in that, described magnet exciting coil (12) are recessed with what right rotation magnetic conductive board (9) was constituted installed in anticlockwise magnetic conductive board (1)
In groove；
The list being made up of multiple anticlockwise magnetic conductive board (1), right rotation magnetic conductive board (9), magnet exciting coil (12) and drive plate (8)
Disc type drive mechanism is connected, and is fixedly connected by the connection ring (10), there is air stream between each single disc-type drive mechanism
Dynamic gap, forms the air-cooled drive mechanism of array；
Pass full of magnetic flow liquid in gap between drive plate (8) and anticlockwise magnetic conductive board (1) and right rotation magnetic conductive board (9)
Dynamic medium.
2. a kind of magnetic flow liquid according to claim 1 becomes torquer, it is characterised in that
Narrow sleeve (13) is fixedly mounted by screw on driven shaft (2).
3. a kind of magnetic flow liquid according to claim 1 becomes torquer, it is characterised in that
It is located at the drive plate (8) at two ends and the gap between anticlockwise magnetic conductive board (1) and right rotation magnetic conductive board (9) passes through sealing ring
(5) seal.
4. a kind of magnetic flow liquid according to claim 1 becomes torquer, it is characterised in that
It is located on the anticlockwise magnetic conductive board (1) and right rotation magnetic conductive board (9) at two ends and opens up thermal expansion hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743694.8A CN104565120B (en) | 2014-12-08 | 2014-12-08 | A kind of magnetic flow liquid becomes torquer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743694.8A CN104565120B (en) | 2014-12-08 | 2014-12-08 | A kind of magnetic flow liquid becomes torquer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104565120A CN104565120A (en) | 2015-04-29 |
| CN104565120B true CN104565120B (en) | 2017-03-15 |
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ID=53081932
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410743694.8A Active CN104565120B (en) | 2014-12-08 | 2014-12-08 | A kind of magnetic flow liquid becomes torquer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299086A (en) * | 2015-10-16 | 2016-02-03 | 中国矿业大学 | Water cooling type multi-plate magneto-rheological clutch |
| CN106838062B (en) * | 2017-03-30 | 2018-11-27 | 东北大学 | A kind of Y type brake disc magnetic rheological brake |
| CN111697785B (en) * | 2020-07-20 | 2024-06-11 | 中国矿业大学 | Non-contact magnetorheological fluid transmission device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390748A (en) * | 1966-12-27 | 1968-07-02 | Borg Warner | Fluid shear coupling |
| US5823309A (en) * | 1997-05-23 | 1998-10-20 | General Motors Corporation | Magnetorheological transmission clutch |
| CN2575371Y (en) * | 2002-07-12 | 2003-09-24 | 华侨大学 | Internal differential hydraulic cylinder |
| CN1295453C (en) * | 2003-09-08 | 2007-01-17 | 重庆大学 | Magnetorheological continuously variable transmission |
| CN103807329B (en) * | 2014-02-27 | 2016-05-04 | 福州大学 | A kind of electric vortex buffering apparatus based on magnetic rheology effect |
| CN204371988U (en) * | 2014-12-08 | 2015-06-03 | 中国矿业大学 | Magnetic flow liquid becomes torquer |
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Application publication date: 20150429 Assignee: JIANGSU TIANWO HEAVY INDUSTRY TECHNOLOGY CO.,LTD. Assignor: CHINA University OF MINING AND TECHNOLOGY Contract record no.: X2022980015964 Denomination of invention: A Magnetorheological Fluid Variable Torque Device Granted publication date: 20170315 License type: Common License Record date: 20220926 |
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