CN110159672A - Multipole superposing type magnetic rheological clutch - Google Patents
Multipole superposing type magnetic rheological clutch Download PDFInfo
- Publication number
- CN110159672A CN110159672A CN201910364583.9A CN201910364583A CN110159672A CN 110159672 A CN110159672 A CN 110159672A CN 201910364583 A CN201910364583 A CN 201910364583A CN 110159672 A CN110159672 A CN 110159672A
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- Prior art keywords
- cylindrical shell
- input
- multipole
- right casing
- output
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
- F16D37/008—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive the particles being carried by a fluid, to vary viscosity when subjected to electric change, i.e. electro-rheological or smart fluids
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
- F16D2037/001—Electric arrangements for clutch control
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Multipole superposing type magnetic rheological clutch, the input shaft including being fixed with input disk are fixed with several input cylindrical shells on input disk；Input disk by rolling bearing respectively with left outside shell, one end of output shaft is rotatablely connected, support annulus and right casing are fixed on output shaft circumference, on a left side, intermediate case is equipped between right casing, output cylindrical shell is equipped on right casing, two sides are descended to be respectively equipped with outer rotor and internal rotor on it, outside, horizontal edge one end of internal rotor is each attached on right casing, the other end is equipped with oil scraper ring, vertical edge respectively with intermediate case, support annulus is fixedly connected, input cylindrical shell setting alternate with output cylindrical shell, outside, exterior loop is respectively equipped on internal rotor, interior loop, it inputs in the peripheral clearance of cylindrical shell and output cylindrical shell and is filled with magnetorheological fluid.The present invention is based on magnetic field superposition principles, transmit torque using the magnetorheological fluid in the multilayer radial working clearance, it is convenient to have many advantages, such as that torque transfer capability is high, compact-sized, coil changes.
Description
Technical field
The present invention relates to a kind of magnetic rheological clutch, especially a kind of two magnetic field superpositions generated using inside and outside coil
Multipole superposing type magnetic rheological clutch.
Background technique
Clutch is the device that mechanical movement and power are transmitted using "Off" and " conjunction ".For a long time, frictionally from
Clutch is to apply to obtain the most wide and a kind of clutch of history at most, but it is easy that fever, easy to wear, noise is big.In order to improve from
, there is magnetic powder cluth, this kind of clutch later in the reliability of clutch transmission and the weight for mitigating clutch transmission
It is by adding magnetic powder between the driving link and driven member of transmission device, in no power, magnetic powder is in loose condition (of surface), actively
Part and driven member are in "Off" state, and when being powered, magnetic powder is combined, and so that driving link and driven member is in " conjunction " state, to realize
The interruption and transmitting of movement and power between master and slave moving part.The clutch torque of magnetic powder cluth may be implemented controllably, but its torque
Keep stability it is poor, and be easy to generate heat, magnetic powder it is easy to aging.
Magnetorheological fluid is a kind of novel intelligent material, it by high magnetic permeability ferromagnetic particle, carrier fluid and additive according to
The suspension liquid that certain volume ratio is uniformly mixed.In null field, it is good that magnetorheological fluid shows as mobile performance
Liquid, apparent viscosity very little；Two quantity can be increased in short time (Millisecond) interior apparent viscosity under strong magnetic field action
Grade or more, and class solid property is presented；And this variation be it is continuous, reversible, that is, remove behind magnetic field and be restored to original
State.Since magnetorheological fluid has good controllability and invertibity, in power transmitting, vibration damping, soft start, variable speed etc.
Aspect has a wide range of applications space.Magnetic rheological clutch is exactly to add magnetic current between the driving link and driven member of transmission device
Become liquid, the size by controlling applied field strengths realizes the combination of clutch, discrete state, it might even be possible to realize that torque transmits
Stepless variation control.It overcomes the deficiencies of conventional clutch noise is big, torque is unstable, control system is complicated, structure
Simply, the advantages that noise is small, the response time is short, low energy consumption, control system is simple and stepless speed regulation may be implemented.But magnetic
The little problem of the shear yield stress of rheology liquid annoyings always the development of magnetorheological fluid materials and technology, according to existing magnetic
Single loop coil is used only in the magnetic rheological clutch of rheology liquid shear yield stress design, and therefore, the torque of transmitting is smaller
And it is bulky, it can not be widely used.In terms of high-power transmission, such as Chinese patent " one disclosed on June 26th, 2013
(application number: 201210269440.8) and China disclosed on December 18th, 2013 is special for kind multi-disc type magnetorheological fluid clutch "
Sharp " the high-power magnetic rheological clutch of cooled in a discharge plate " (application number: being all to utilize axial gap 201310393621.6)
In magnetorheological fluid carry out work, cause the axial dimension of device very big.Chinese patent disclosed on July 15th, 2015 is " radial
Multiple field magnetic rheological clutch " (application number: 201510160450.1), is proposed using the magnetorheological fluid in radial clearance come work
Make, but there are magnetic circuits it is uncertain, process and assemble is complicated the problems such as.
Summary of the invention
In order to overcome existing magnetic rheological clutch transmitting torque compared with small, axial dimension is big, the uncertain deficiency of magnetic circuit, this hair
It is bright disclose a kind of two magnetic field superpositions generated using inner-outer coil, transmitting torque is big, coil can be changed flexibly multipole is folded
Add formula magnetic rheological clutch.
The technical solution adopted by the invention is as follows:
Multipole superposing type magnetic rheological clutch, including input shaft (1) are fixedly connected in input shaft (1) outer circumference defeated
Enter disk (6), input disk (6) on be fixed with it is several perpendicular to input disk (6) and be parallel to input shaft (1) input circle
Column shell (7)；In input disk (6) close to the one end of input shaft (1), connected by rolling bearing II (3b) and left outside shell (5) rotation
It connects, be rotatablely connected by the one end of rolling bearing I (3a) and output shaft (19), is fixedly connected in output shaft (19) outer circumference
Annulus (18) and right casing (12) are supported, wherein support annulus (18) and right casing (12) are mutually perpendicular to, in left outside shell (5), the right side
Intermediate case (11) are equipped between shell (12), on right casing (12), output is equipped with input cylindrical shell (7) corresponding position and justifies
Column shell (14) is respectively equipped with inverted T shaped outer rotor (9) and T-type internal rotor (16) in the two sides up and down of output cylindrical shell (14), T
One end of the horizontal edge (10) of type outer rotor (9) is fixed on right casing (12), is equipped with gear between the other end and intermediate case (11)
Oil ring II (4b), vertical edge are fixedly connected with intermediate case (11), and one end of the horizontal edge (15) of T-type internal rotor (16) is fixed on outside the right side
Oil scraper ring I (4a), vertical edge is equipped on shell (12), between the other end and support annulus (18) to be fixedly connected with annulus (18) are supported,
The input cylindrical shell (7) and the alternate setting of output cylindrical shell (14), divide on inverted T shaped outer rotor (9) and T-type internal rotor (16)
Not She You exterior loop (8), interior loop (17), it is described input cylindrical shell (7) with output cylindrical shell (14) peripheral clearance in fill out
Filled with magnetorheological fluid (13).
Further, the inverted T shaped outer rotor (9) and T-type internal rotor (16) are equably set along respective circumferencial direction respectively
Even number is set, and internal rotor is equal with the quantity of outer rotor.
Further, the input cylindrical shell (7) is equipped with 1~5, and the output cylindrical shell (14) is equipped with 1~5.
Further, one and only one interior loop (17) and an exterior loop (8) are radially set along same, and same
Interior loop (17) radially and exterior loop (8) around to identical.
Further, two neighboring interior loop (17) or two neighboring exterior loop (8) around to opposite.
Further, retaining ring (2) are equipped in the side of rolling bearing I (3a) to be positioned.
Further, aluminium block I (20), two adjacent inverted T shaped outer is equipped between two adjacent T-type internal rotors (16)
Aluminium block II (21) is equipped between rotor (9).
Further, the aluminium block I (20), aluminium block II (21) are un-conducted magnetic material, T-type internal rotor (16), inverted T shaped outer
Rotor (9), intermediate case (11), input cylindrical shell (7), output cylindrical shell (14), support annulus (18) are permeability magnetic material.
Beneficial effects of the present invention:
1, multipole superposing type magnetic rheological clutch of the present invention, using radial cylindrical gap come work, compared to biography
The disk structure of system, under same outer dimension, the torque of multipole superposing type structure transmitting of the invention is bigger；Compared to more
Pole separate room gap structure, the multilayer gap that the present invention is arranged have higher torque transfer capability.
2, multipole superposing type magnetic rheological clutch of the present invention, multiple interior loops and multiple outside lines circumferentially
Circle, the magnetic field that coil is generated act on the magnetorheological fluid in all working gap, increase the magnetic current of magnetic fields
Become the area of liquid.
3, multipole superposing type magnetic rheological clutch of the present invention is based on magnetic field superposition principle, enhances magnetic in gap
The magnetic field strength of rheology liquid, and then increase the torque of transmitting.
4, multipole superposing type magnetic rheological clutch of the present invention, circumferentially arranged multiple internal rotors multiple outer turn
Son and multiple input cylindrical shells, the multiple output cylindrical shells being disposed radially, can determine rotor number according to design requirement
Different output torques is obtained with cylindrical shell number, can also obtain different output torques by changing axial dimension,
Output torque can be controlled with the size of electric current in regulating winding.
5, multipole superposing type magnetic rheological clutch of the present invention, the coil on the inner and outer Rotator can be neatly
It changes, is brought conveniently to the dismounting and change in later period.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multipole superposing type magnetic rheological clutch of the present invention.
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1.
In figure: 1- input shaft；2- retaining ring；3a- rolling bearing I；3b- rolling bearing II；4a- oil scraper ring I；4b- oil scraper ring
Ⅱ；The left outside shell of 5-；6- inputs disk；7- inputs cylindrical shell；8- exterior loop；The inverted T shaped outer rotor of 9-；The cross of the inverted T shaped outer rotor of 10-
Side；11- intermediate case；12- right casing；13- magnetorheological fluid；14- exports cylindrical shell；The horizontal edge of 15-T type internal rotor；16-T type
Internal rotor；17- interior loop；18- supports annulus；19- output shaft；20- aluminium block I；21- aluminium block II.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments, but the invention is not limited to the following examples.
As shown in Figure 1 and Figure 2, multipole superposing type magnetic rheological clutch, including input shaft (1), input shaft (1) outer circumference
On be fixedly connected with input disk (6), be fixed with and several disk (6) and be parallel to defeated perpendicular to input in input disk (6)
Enter the input cylindrical shell (7) of axis (1)；Input disk (6) close to input shaft (1) one end, by rolling bearing II (3b) with
Left outside shell (5) rotation connection is rotatablely connected by the one end of rolling bearing I (3a) and output shaft (19), on the outside of output shaft (19)
Support annulus (18) and right casing (12) are fixedly connected on circumference, wherein support annulus (18) and right casing (12) mutually hang down
Directly, intermediate case (11) are equipped between left outside shell (5), right casing (12), which surrounds a cavity, in right casing
(12) it is equipped with output cylindrical shell (14) on, with input cylindrical shell (7) corresponding position, in the two sides up and down of output cylindrical shell (14)
It is respectively equipped with inverted T shaped outer rotor (9) and T-type internal rotor (16), one end of the horizontal edge (10) of inverted T shaped outer rotor (9) is fixed on the right side
Oil scraper ring II (4b), vertical edge and the fixed company of intermediate case (11) are equipped on shell (12), between the other end and intermediate case (11)
It connects, one end of the horizontal edge (15) of T-type internal rotor (16) is fixed on right casing (12), sets between the other end and support annulus (18)
There are oil scraper ring I (4a), vertical edge to be fixedly connected with support annulus (18), the input cylindrical shell (7) and output cylindrical shell (14) phase
Between be arranged, exterior loop (8), interior loop (17) are respectively equipped on inverted T shaped outer rotor (9) and T-type internal rotor (16), described defeated
Enter in the peripheral clearance of cylindrical shell (7) and output cylindrical shell (14) filled with magnetorheological fluid (13).
The inverted T shaped outer rotor (9) and T-type internal rotor (16) are equably provided with six along respective circumferencial direction respectively,
It is equipped between aluminium block I (20), two adjacent inverted T shaped outer rotors (9) between two adjacent T-type internal rotors (16) and is equipped with aluminium
Block II (21) further fixes rotor by setting aluminium block and is sealed to magnetorheological fluid；The aluminium block I (20),
Aluminium block II (21) is un-conducted magnetic material, T-type internal rotor (16), inverted T shaped outer rotor (9), intermediate case (11), input cylindrical shell
(7), cylindrical shell (14) are exported, support annulus (18) is permeability magnetic material；The input cylindrical shell (7) is equipped with 3, the output
Cylindrical shell (14) is equipped with 2；One and only one interior loop (17) and an exterior loop (8) are radially set along same, and same
One interior loop (17) radially and exterior loop (8) around to identical, and two neighboring interior loop (17) or two neighboring outer
Coil (8) around to opposite；Retaining ring (2) are equipped in the side of rolling bearing I (3a) to be positioned.
In the case where all no energizations of all interior loops and all exterior loops, the magnetorheological fluid in gap is without magnetic field
Effect, viscosity very little, the mobility of magnetorheological fluid are fine, when input shaft rotation, input disk and input cylindrical shell are driven to exist
It is freely rotated in cavity, clutch is in "Off" state.
In the case where all interior loops and all exterior loops are electrified, the magnetorheological fluid in gap will will receive magnetic field
Effect becomes class solid from liquid, and the viscosity of magnetorheological fluid increases, mobility is deteriorated, at this time input shaft, input disk, input
Cylindrical shell, output cylindrical shell, support annulus, output shaft are integrally formed, when input shaft rotation, output shaft will synchronous rotary,
Clutch is in " conjunction " state.
Finally, it should be noted that part not in the detailed description of the invention is the prior art, therefore the present invention is not described in detail.This
Specific embodiment is only used for preferably illustrating the use scope that the present invention is not intended to limit the present invention.Those skilled in the art
Member it should be appreciated that technical solution of the present invention modify either equivalent replacement, without departing from spirit of the invention and model
It encloses, should all cover in protection scope of the present invention.
Claims (8)
1. multipole superposing type magnetic rheological clutch, which is characterized in that fixed in input shaft (1) outer circumference including input shaft (1)
It is connected with input disk (6), is fixed in input disk (6) and several disk (6) and is parallel to input shaft (1) perpendicular to input
Input cylindrical shell (7)；In input disk (6) close to the one end of input shaft (1), pass through rolling bearing II (3b) and left outside shell
(5) it is rotatablely connected, is rotatablely connected by the one end of rolling bearing I (3a) and output shaft (19), in output shaft (19) outer circumference
It is fixedly connected with support annulus (18) and right casing (12), wherein support annulus (18) and right casing (12) are mutually perpendicular to, on a left side
Intermediate case (11) are equipped between shell (5), right casing (12), on right casing (12), position corresponding with input cylindrical shell (7)
Equipped with output cylindrical shell (14), it is respectively equipped in inverted T shaped outer rotor (9) and T-type and turns in the two sides up and down of output cylindrical shell (14)
Sub (16), one end of the horizontal edge (10) of inverted T shaped outer rotor (9) is fixed on right casing (12), the other end and intermediate case (11)
Between be equipped with oil scraper ring II (4b), vertical edge and be fixedly connected with intermediate case (11), one end of the horizontal edge (15) of T-type internal rotor (16)
It is fixed on right casing (12), is equipped with oil scraper ring I (4a), vertical edge and support annulus (18) between the other end and support annulus (18)
It is fixedly connected, the input cylindrical shell (7) and the alternate setting of output cylindrical shell (14) turn in inverted T shaped outer rotor (9) and T-type
It is respectively equipped with exterior loop (8), interior loop (17) on sub (16), in the week of input cylindrical shell (7) and output cylindrical shell (14)
It encloses in gap filled with magnetorheological fluid (13).
2. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that the inverted T shaped outer rotor (9) and
Even number is equably arranged along respective circumferencial direction respectively in T-type internal rotor (16), and internal rotor is equal with the quantity of outer rotor.
3. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that the input cylindrical shell (7)
Equipped with 1~5, the output cylindrical shell (14) is equipped with 1~5.
4. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that be radially provided with along same and
An only interior loop (17) and an exterior loop (8), and same interior loop (17) radially and exterior loop (8) around to phase
Together.
5. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that two neighboring interior loop (17) or
The two neighboring exterior loop of person (8) around to opposite.
6. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that the one of rolling bearing I (3a)
Side is equipped with retaining ring (2) and is positioned.
7. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that turn in two adjacent T-types
It is equipped between aluminium block I (20), two adjacent inverted T shaped outer rotors (9) between sub (16) and is equipped with aluminium block II (21).
8. multipole superposing type magnetic rheological clutch as described in claim 1, which is characterized in that the aluminium block I (20), aluminium block
II (21) are un-conducted magnetic material, and T-type internal rotor (16), intermediate case (11), inputs cylindrical shell (7), is defeated inverted T shaped outer rotor (9)
Cylindrical shell (14), support annulus (18) are permeability magnetic material out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910364583.9A CN110159672A (en) | 2019-04-30 | 2019-04-30 | Multipole superposing type magnetic rheological clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910364583.9A CN110159672A (en) | 2019-04-30 | 2019-04-30 | Multipole superposing type magnetic rheological clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159672A true CN110159672A (en) | 2019-08-23 |
Family
ID=67633220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910364583.9A Pending CN110159672A (en) | 2019-04-30 | 2019-04-30 | Multipole superposing type magnetic rheological clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159672A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577787A (en) * | 2020-05-15 | 2020-08-25 | 西华大学 | Magnetorheological clutch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080135367A1 (en) * | 2004-05-17 | 2008-06-12 | Magna Drivatetrain Ag & Co Kg | Magnetorheological Clutch Having Lamination Bands |
| US20120090938A1 (en) * | 2009-03-03 | 2012-04-19 | Hochschule Ostwestfalen-Lippe | Apparatus for transmitting torque |
| CN104776132A (en) * | 2015-04-08 | 2015-07-15 | 四川大学 | Radial multilayer type magneto-rheological clutch |
| CN205780701U (en) * | 2016-07-07 | 2016-12-07 | 重庆理工大学 | A kind of temp.-controlled type arch magnetic flow liquid and marmem extruder drive |
| CN207229624U (en) * | 2017-09-30 | 2018-04-13 | 重庆理工大学 | A kind of multi-cartridge magnetic rheological clutch |
| CN109210104A (en) * | 2018-08-31 | 2019-01-15 | 恒有（苏州）精工机电有限公司 | A kind of coil arragement construction increasing magnetic rheological clutch dynamic controlled range |
-
2019
- 2019-04-30 CN CN201910364583.9A patent/CN110159672A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080135367A1 (en) * | 2004-05-17 | 2008-06-12 | Magna Drivatetrain Ag & Co Kg | Magnetorheological Clutch Having Lamination Bands |
| US20120090938A1 (en) * | 2009-03-03 | 2012-04-19 | Hochschule Ostwestfalen-Lippe | Apparatus for transmitting torque |
| CN104776132A (en) * | 2015-04-08 | 2015-07-15 | 四川大学 | Radial multilayer type magneto-rheological clutch |
| CN205780701U (en) * | 2016-07-07 | 2016-12-07 | 重庆理工大学 | A kind of temp.-controlled type arch magnetic flow liquid and marmem extruder drive |
| CN207229624U (en) * | 2017-09-30 | 2018-04-13 | 重庆理工大学 | A kind of multi-cartridge magnetic rheological clutch |
| CN109210104A (en) * | 2018-08-31 | 2019-01-15 | 恒有（苏州）精工机电有限公司 | A kind of coil arragement construction increasing magnetic rheological clutch dynamic controlled range |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577787A (en) * | 2020-05-15 | 2020-08-25 | 西华大学 | Magnetorheological clutch |
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Application publication date: 20190823 |
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