CN102916558B - Cage-shaped rotor magnetic coupling capable of regulating speed - Google Patents
Cage-shaped rotor magnetic coupling capable of regulating speed Download PDFInfo
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- CN102916558B CN102916558B CN201210441925.0A CN201210441925A CN102916558B CN 102916558 B CN102916558 B CN 102916558B CN 201210441925 A CN201210441925 A CN 201210441925A CN 102916558 B CN102916558 B CN 102916558B
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Abstract
The invention discloses a cage-shaped rotor magnetic coupling capable of regulating speed. The cage-shaped rotor magnetic coupling comprises a power input shaft, a connection device, a permanent magnet outer rotor assembly, a cage-shaped inner rotor assembly, a power output shaft and a mechanical speed regulating device, the permanent magnet outer rotor assembly is sleeved outside the cage-shaped inner rotor assembly, and even air gaps are arranged between the permanent magnet outer rotor assembly and the cage-shaped inner rotor assembly. A layout mode of permanent magnets in the permanent magnet outer rotor assembly adopts a radial layout mode or a circumferential layout mode. The cage-shaped rotor magnetic coupling adopts an inside-outside-inside sleeved mode, an outer rotor adopts a structure with alternative magnetic poles, an inner rotor adopts a squirrel-cage rotor structure in an asynchronous motor, a rotating magnetic field produced by rotation of the outer rotor is used, induced current is produced in a squirrel-cage guide strip of the inner rotor, and the rotating magnetic field and the induced current drive the inner rotor to rotate under effects of ampere force. The magnetic coupling is high in reliability and operating efficiency, and reduces design and production cost.
Description
Technical field
The present invention relates to the cage-type rotor magnetic coupling of a kind of magnetic coupling, particularly a kind of adjustable speed.
Background technology
Current speed regulating device mainly contain frequency control, slip electric motor speed governing, fluid coupling speed governing and magnetic coupling speed governing etc.All there is humorous wave interference in frequency conversion and slip electric motor speed governing, reliability is low, maintenance cost is high and the problem such as poor stability, fluid coupling occupies larger space between engine and working machine, and using oil as the medium of carry-over moment, seal easily badly, occur leakage of oil; In addition, when working machine rotating speed is when higher or lower (as higher than 7000r/min or lower than 700r/min), fluid coupling need support the use with gear box, has increased fault point.
The Lorentz force that magnetic coupling produces while utilizing between permanent magnet and conductor motion mutually realizes the transmission of torque between engine and working machine.Except having the common advantage (stopping, have overload protection function as realized soft start and the soft stop of motor) of above-mentioned speed regulating device, magnetic coupling also tool has the following advantages: (1) mechanical structure is simple, is easy to debugging, installs, and total cost is low; (2) adapt to bad working environments, substantially can accomplish non-maintaining; (3) without the humorous Electromagnetic Interference that involves, to electrical network and operating mode scene without electromagnetic impact; (4) rely on magnetic gap transmission, can not produce the oil leakage phenomenon of fluid coupling; (5) long service life, and can extend the useful life that it undertakes each critical piece of drive system.
Magnetic coupling is generally disc type at present, telescopic and cage modle is telescopic, when disc type and the operation of telescopic magnetic coupling, revolutional slip is large, in copper dish or copper sheathing, produces compared with maelstrom, causes the heat waste of coupler system large, efficiency is low, is not suitable for powerful electromechanical equipment transmission.Cage bar in the telescopic magnetic coupling of cage modle and silicon steel laminations need to redesign, and its correlated performance parameter is without a large amount of practice tests, poor reliability, and the design cycle is long, and manufacturing cost is high; In addition, the telescopic magnetic coupling of cage modle generally also need install separation sleeve additional between p-m rotor and cage rotor, except increasing design and manufacture cost, also causes the serious leakage field of p-m rotor and cage rotor interpolar, and operational efficiency is lower.
Summary of the invention
The problems referred to above that exist for solving prior art, the present invention design a kind ofly have that reliability is high, revolutional slip, operational efficiency is high, the design cycle is short and the cage-type rotor magnetic coupling of the adjustable speed of low cost of manufacture.
For achieving the above object, technical scheme of the present invention is as follows:
An adjustable speed cage-type rotor magnetic coupling, comprises power input shaft, coupling arrangement, permanent-magnetic outer rotor assembly, cage modle internal rotor assembly, power output shaft and mechanical adjustable speed drive; Described permanent-magnetic outer rotor assembly is sleeved on the outside of cage modle internal rotor assembly, has even air gap between the two; Described permanent-magnetic outer rotor assembly is connected with power input shaft by coupling arrangement, described cage modle internal rotor assembly is connected with load by power output shaft, described mechanical adjustable speed drive is arranged on the outside of left casing, can drive coupling arrangement and permanent-magnetic outer rotor assembly to axially move;
Described power input shaft is multidiameter, one end that diameter is larger has spline vertically, the one end that has spline is sleeved on motor output shaft, one end that diameter is less is slender axles, by two groups of deep groove ball bearings and one group of self-aligning ball bearing and being connected from moving sleeve in cage modle internal rotor assembly;
Described coupling arrangement comprises left casing, right casing, right casing bearing (ball) cover, right casing biserial angular contact bearing, splined sleeve and double nut, described left casing be installed on permanent-magnetic outer rotor assembly left end, by spline, accept the torque of power input shaft, and by transmission of torque to permanent-magnetic outer rotor assembly; Described right casing is installed on the right-hand member of permanent-magnetic outer rotor assembly, by double-row angular contact bal bearing, connects with splined sleeve, and double nut is for rigid bearing position; Described left casing and right casing adopt respectively hollow out design, have waist shaped heat dispersing hole on it;
In described permanent-magnetic outer rotor assembly, the layout type of permanent magnet adopts radially layout type or circumferentially layout type; While adopting radially layout type, permanent-magnetic outer rotor assembly comprises yoke, pole shoe, permanent magnet locating piece and the permanent magnet A of form of flanges, described permanent magnet A is along even circumferential layout, the pole orientation of permanent magnet A is contrary along the pole orientation of diametric(al), adjacent permanent magnet A, and the N utmost point of a permanent magnet A points to the center of circle, the S utmost point of an adjacent permanent magnet A points to the center of circle; While adopting circumferential layout type, permanent-magnetic outer rotor assembly comprises ring flange, permanent magnet B, yoke, upper magnetic isolation plate and lower magnetic isolation plate, described permanent magnet B is along even circumferential layout, and the pole orientation of permanent magnet B is relative along the pole orientation of tangent to periphery direction, adjacent permanent magnet B; Described permanent magnet locating piece is made by non-magnet material; Described ring flange is made by non-magnet material;
Described cage modle internal rotor assembly comprises mouse cage internal rotor and from moving sleeve, described is compressed on the iron core of mouse cage internal rotor by red heat interference mode from moving sleeve; Described mouse cage internal rotor adopts asychronous dynamo cage rotor;
Described mechanical adjustable speed drive comprises bearing, push rod, biserial angular contact bearing, bearing holder (housing, cover) and angular displacement actuator; Described bearing and motor side cover bolt are connected; On described bearing, have chute; One end of push rod is fixed on bearing holder (housing, cover) outside, the other end of push rod passes the chute on bearing and slides by pulling along the chute on bearing of angular displacement actuator, drive bearing holder (housing, cover) and biserial angular contact bearing to move vertically, biserial angular contact bearing drives left chassis movement by end cap;
On described power output shaft, be processed with spline.
Permanent magnet A in permanent-magnetic outer rotor assembly of the present invention, permanent magnet B adopt rare earth permanent-magnetic material, and its magnetic pole logarithm should meet following relation:
F wherein
cfor torque ripple factor; P is permanent magnet pole logarithm; n
sfor cage-type rotor sliver number; N
cfor p and n
sleast common multiple; f
cchoice criteria be the minimum value that meets above formula.
Coupling arrangement of the present invention hour only comprises left casing in through-put power, and on the cylindrical of ring flange or flange form yoke, weld triangle gusset (28), described power output shaft is optical axis, one end is connected from moving sleeve by form of flanges and cage modle internal rotor, and the other end is connected with working machine by spring coupling.
The present invention compares with existing magnetic coupling transmission device or technology, has following outstanding character and remarkable advantage:
1, the present invention adopts the form of inside and outside internal rotor suit, external rotor adopts the structure of alternating poles, and internal rotor has adopted the cage rotor structure in asynchronous machine, the rotating magnetic field of utilizing external rotor rotation to produce, in the mouse cage sliver of internal rotor, produce induced current, rotating magnetic field and induced current drive internal rotor rotation under the effect of Ampere force.It is matured product structure that internal rotor adopts the mouse cage type structure of asynchronous machine, the whirlpool that adopts silicon steel sheet compacting to form in rotor core is damaged less, and mouse cage internal rotor is for carrying out flux designs and the outer-rotor structure design of system in basis, thereby magnetic coupling of the present invention possesses higher reliability, operational efficiency is higher, and has reduced design and production cost.
2, mouse cage internal rotor assembly of the present invention adopts asychronous dynamo cage rotor, and reliability is high, slip is little, is convenient to Seriation Design and manufacture;
3, in permanent-magnetic outer rotor assembly of the present invention, no matter radially the still circumferential layout of layout all adopts rectangle permanent magnet, compares with current watt of shape permanent magnet, and processing and assembling are simple; When permanent magnet adopts while circumferentially magnetizing, two permanent magnets provide every utmost point air-gap flux jointly, with watt shape permanent magnet of same volume or radially rectangle permanent magnet compare, can significantly improve air gap flux density.
4, coupling arrangement of the present invention can be by internal rotor assembly and the organic collection connection of external rotor assembly, and its hollow hole spreading all on the casing of left and right has not only alleviated the weight of left and right casing, but also has greatly improved the radiating condition of whole coupler; In addition, because left and right casing is evenly placed in the weight of internal rotor assembly and external rotor assembly on power input shaft and power output shaft, so whole system good rigidly, intensity is high, is suitable for high speed, heavy loading mechanism.
5, the present invention when through-put power hour, the right casing in coupling arrangement can be removed, now power output shaft is also without spline, whole coupler have radially and axial dimension little, good heat dissipation, operational efficiency high.
6, mechanical adjustable speed drive of the present invention is fixed on motor outer cage, has effectively saved space; In addition, mechanical adjustable speed drive belongs to slider-crank mechanism, not only simple in structure, and force application apparatus is lever construction, i.e. during speed governing, give very little external force and can obtain larger thrust at output, not only energy-conservation, and is conducive to the accurate control of coupler speed governing.
7, when through-put power is larger, permanent-magnetic outer rotor assembly axial length will be larger, and in order to guarantee the axiality at itself and internal rotor center, the design of right shell body has increased the supporting role of opposite side, simultaneously in order to guarantee that housing, along the slip of output shaft, has increased spline on power output shaft.
Accompanying drawing explanation
13, the total accompanying drawing of the present invention, wherein:
Fig. 1 is coupler installation diagram of the present invention.
Fig. 2 is the assembling schematic diagram of the present invention under transmission power adjustment state.
Fig. 3 is power input shaft schematic diagram of the present invention.
Fig. 4 is coupling arrangement schematic diagram of the present invention.
Fig. 5 is the radially-arranged schematic diagram of permanent-magnetic outer rotor permanent magnet of the present invention.
Fig. 6 is that the A-A of Fig. 5 is to view.
Fig. 7 is the schematic diagram that permanent-magnetic outer rotor permanent magnet of the present invention circumferentially distributes.
Fig. 8 is that the A-A of Fig. 7 is to view.
Fig. 9 is cage modle internal rotor assembly schematic diagram of the present invention.
Figure 10 is power output shaft schematic diagram of the present invention.
Figure 11 is mechanical adjustable speed drive schematic diagram of the present invention.
Figure 12 is the seat structure schematic diagram of mechanical adjustable speed drive of the present invention.
Figure 13 is the coupler structure schematic diagram of smaller power of the present invention.
In figure: 1, power input shaft, 2, motor output shaft, 3, deep groove ball bearing, 4, group self-aligning ball bearing, 5, from moving sleeve, 6, left casing, 7, right casing, 8, right casing bearing (ball) cover, 9, right casing biserial angular contact bearing, 10, splined sleeve, 11, double nut, 12, the yoke of form of flanges, 13, permanent magnet A, 14, pole shoe, 15, permanent magnet locating piece, 16, ring flange, 17, permanent magnet B, 18, yoke, 19, upper magnetic isolation plate, 20, lower magnetic isolation plate, 21, mouse cage internal rotor, 22, power output shaft, 23, bearing, 24, push rod, 25, biserial angular contact bearing, 26, bearing holder (housing, cover), 27, electric motor end cap, 28, triangle gusset, 29, end cap.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.As shown in Fig. 1-13, a kind of adjustable speed cage-type rotor magnetic coupling, comprises power input shaft 1, coupling arrangement, permanent-magnetic outer rotor assembly, cage modle internal rotor assembly, power output shaft 22 and mechanical adjustable speed drive; Described permanent-magnetic outer rotor assembly is sleeved on the outside of cage modle internal rotor assembly, has even air gap between the two; Described permanent-magnetic outer rotor assembly is connected with power input shaft 1 by coupling arrangement, described cage modle internal rotor assembly is connected with load by power output shaft 22, described mechanical adjustable speed drive is arranged on the outside of left casing 6, can drive coupling arrangement and permanent-magnetic outer rotor assembly to axially move;
Described power input shaft 1 is multidiameter, one end that diameter is larger has spline vertically, the one end that has spline is sleeved on motor output shaft 2, one end that diameter is less is slender axles, by two groups of deep groove ball bearings 3 and one group of self-aligning ball bearing 4 and being connected from moving sleeve 5 in cage modle internal rotor assembly;
Described coupling arrangement comprises left casing 6, right casing 7, right casing bearing (ball) cover 8, right casing biserial angular contact bearing 9, splined sleeve 10 and double nut 11, described left casing 6 be installed on permanent-magnetic outer rotor assembly left end, by spline, accept the torque of power input shaft 1, and by transmission of torque to permanent-magnetic outer rotor assembly; Described right casing 7 is installed on the right-hand member of permanent-magnetic outer rotor assembly, by double-row angular contact bal bearing 9, connects with splined sleeve 10, and double nut 11 is for rigid bearing position; Described left casing 6 and right casing 7 adopt respectively hollow out design, have waist shaped heat dispersing hole on it;
In described permanent-magnetic outer rotor assembly, the layout type of permanent magnet adopts radially layout type or circumferentially layout type; While adopting radially layout type, permanent-magnetic outer rotor assembly comprises yoke 12, pole shoe 14, permanent magnet locating piece 15 and the permanent magnet A13 of form of flanges, described permanent magnet A13 is along even circumferential layout, the pole orientation of permanent magnet A13 is contrary along the pole orientation of diametric(al), adjacent permanent magnet A13, and the N utmost point of a permanent magnet A13 points to the center of circle, the S utmost point of an adjacent permanent magnet A13 points to the center of circle; While adopting circumferential layout type, permanent-magnetic outer rotor assembly comprises ring flange 16, permanent magnet B17, yoke 18, upper magnetic isolation plate 19 and lower magnetic isolation plate 20, described permanent magnet B17 is along even circumferential layout, and the pole orientation of permanent magnet B17 is relative along the pole orientation of tangent to periphery direction, adjacent permanent magnet B17; Described permanent magnet locating piece 15 is made by non-magnet material; Described ring flange 16 is made by non-magnet material;
Described cage modle internal rotor assembly comprises mouse cage internal rotor 21 and from moving sleeve 5, described is compressed on the iron core of mouse cage internal rotor 21 by red heat interference mode from moving sleeve 5; Described mouse cage internal rotor adopts asychronous dynamo cage rotor;
Described mechanical adjustable speed drive comprises bearing 23, push rod 24, biserial angular contact bearing 25, bearing holder (housing, cover) 26He angular displacement actuator; Described bearing 23 is connected with electric motor end cap 27 use bolts; On described bearing 23, have chute; One end of push rod 24 is fixed on bearing holder (housing, cover) 26 outsides, the other end of push rod 24 passes the chute on bearing 23 and slides by pulling along the chute on bearing 23 of angular displacement actuator, drive bearing holder (housing, cover) 26 and biserial angular contact bearing 25 to move vertically, biserial angular contact bearing 25 drives left casing 6 motions by end cap 29; On described power output shaft 22, be processed with spline.
Permanent magnet A13 in permanent-magnetic outer rotor assembly of the present invention, permanent magnet B17 adopt rare earth permanent-magnetic material, and its magnetic pole logarithm should meet following relation:
F wherein
cfor torque ripple factor; P is permanent magnet pole logarithm; n
sfor cage-type rotor sliver number; N
cfor p and n
sleast common multiple; f
cchoice criteria be the minimum value that meets above formula.
Coupling arrangement of the present invention hour only comprises left casing 6 in through-put power, and weld triangle gusset 28 on the cylindrical of ring flange 16 or flange form yoke 12, described power output shaft 22 is optical axis, one end is connected from moving sleeve 5 by form of flanges and cage modle internal rotor, and the other end is connected with working machine by spring coupling.
Operation principle of the present invention is as follows: as shown in Figure 1, motor output shaft 15 by key connecting by transmission of torque to power input shaft 1, by the spline on power input shaft 1, drive coupling arrangement to comprise left casing 4, permanent-magnetic outer rotor assembly and 7 rotations of right casing, and the formation rotating magnetic field of synchronizeing with motor output shaft 2.In cage modle internal rotor assembly, mouse cage internal rotor 21 adopts the rotor structure of common cage induction motor, the rotating magnetic field that its inner sliver cutting permanent-magnetic outer rotor assembly produces, produce induced current, this electric current is subject to the effect of Ampere force in magnetic field, cage modle internal rotor assembly is rotated with permanent-magnetic outer rotor assembly with certain revolutional slip, and by be compressed in mouse cage internal rotor 21 from moving sleeve 5 by transmission of torque in power output shaft 22, and be with dynamic load rotation.
The mechanical speed governors function of apparatus of the present invention is realized by mechanical adjustable speed drive as shown in figure 11, angular displacement governor motion pulls push rod 24 along the runner movement on bearing 23, and drive bearing holder (housing, cover) 26, biserial angular contact bearing 25 and permanent-magnetic outer rotor assembly to do axial operation along power output shaft 2, with this, change the area of magnetic gap, and then the Torque and speed of coupler transmission is regulated.
Energy conservation mode of the present invention is: generally, if according to loading condition, to the adjustment of rotational speed of power source motor operation conditions, need adopt the equipment such as frequency converter, adjustment process is complicated, and cost is higher.And apparatus of the present invention are according to the variation of load request, by changing the air gap area between external rotor assembly and internal rotor assembly, to regulate rotating speed and the torque of power output shaft 22, when load request rotating speed and torque are when larger, air gap area between external rotor assembly and internal rotor assembly is larger, and now power input to machine is larger, and the moment of torsion that power output shaft 22 of the present invention transmits is also larger, rotating speed is also higher, meets load request; If the power of extraneous load request reduces, can pass through mechanical adjustable speed drive, reduce the area of air gap, now the input power of motor output shaft 2 reduces, revolutional slip between inner and outer rotors increases simultaneously, the Torque and speed of power output shaft 22 also decreases, and can require to change according to load variations the power output of motor, thereby realize energy-conservation by this adjusting.Inner and outer rotors due to apparatus of the present invention all possesses stronger heat resistance simultaneously, can bear larger revolutional slip and higher working temperature, so apparatus of the present invention also possess the functions such as soft start and overload protection.
By mechanical adjustable speed drive, adjust the air gap area between external rotor assembly and cage modle internal rotor assembly, change moment of torsion and rotating speed that coupler transmits, to adapt to the requirement of bearing power.Installation diagram when Fig. 1 is the fully loaded operating state of coupler, the installation diagram of coupler operating state when Fig. 2 is the minimizing of load required torque, wherein the minimal-contact area of external rotor assembly and internal rotor assembly can design according to the real work situation of load.
Claims (3)
1. an adjustable speed cage-type rotor magnetic coupling, is characterized in that: comprise power input shaft (1), coupling arrangement, permanent-magnetic outer rotor assembly, cage modle internal rotor assembly, power output shaft (22) and mechanical adjustable speed drive; Described permanent-magnetic outer rotor assembly is sleeved on the outside of cage modle internal rotor assembly, has even air gap between the two; Described permanent-magnetic outer rotor assembly is connected with power input shaft (1) by coupling arrangement, described cage modle internal rotor assembly is connected with load by power output shaft (22), described mechanical adjustable speed drive is arranged on the outside of left casing (6), can drive coupling arrangement and permanent-magnetic outer rotor assembly to axially move;
Described power input shaft (1) is multidiameter, one end that diameter is larger has spline vertically, the one end that has spline is sleeved on motor output shaft (2), one end that diameter is less is slender axles, by two groups of deep groove ball bearings (3) and one group of self-aligning ball bearing (4) and being connected from moving sleeve (5) in cage modle internal rotor assembly;
Described coupling arrangement comprises left casing (6), right casing (7), right casing bearing (ball) cover (8), right casing biserial angular contact bearing (9), splined sleeve (10) and double nut (11), described left casing (6) be installed on permanent-magnetic outer rotor assembly left end, by spline, accept the torque of power input shaft (1), and by transmission of torque to permanent-magnetic outer rotor assembly; Described right casing (7) is installed on the right-hand member of permanent-magnetic outer rotor assembly, by double-row angular contact bal bearing (9), connects with splined sleeve (10), and double nut (11) is for rigid bearing position; Described left casing (6) and right casing (7) adopt respectively hollow out design, have waist shaped heat dispersing hole on it;
In described permanent-magnetic outer rotor assembly, the layout type of permanent magnet adopts radially layout type or circumferentially layout type; While adopting radially layout type, permanent-magnetic outer rotor assembly comprises yoke (12), pole shoe (14), permanent magnet locating piece (15) and the permanent magnet A(13 of form of flanges), described permanent magnet A(13) along even circumferential layout, permanent magnet A(13) pole orientation is along diametric(al), adjacent permanent magnet A(13) pole orientation contrary, i.e. a permanent magnet A(13) the N utmost point point to the center of circle, an adjacent permanent magnet A(13) the S utmost point point to the center of circle; While adopting circumferential layout type, permanent-magnetic outer rotor assembly comprises ring flange (16), permanent magnet B(17), yoke (18), upper magnetic isolation plate (19) and lower magnetic isolation plate (20), described permanent magnet B(17) pole orientation along even circumferential layout, permanent magnet B(17) is along tangent to periphery direction, adjacent permanent magnet B(17) pole orientation relative; Described permanent magnet locating piece (15) is made by non-magnet material; Described ring flange (16) is made by non-magnet material;
Described cage modle internal rotor assembly comprises mouse cage internal rotor (21) and from moving sleeve (5), described is compressed on the iron core of mouse cage internal rotor (21) by red heat interference mode from moving sleeve (5); Described mouse cage internal rotor adopts asychronous dynamo cage rotor;
Described mechanical adjustable speed drive comprises bearing (23), push rod (24), biserial angular contact bearing (25), bearing holder (housing, cover) (26) and angular displacement actuator; Described bearing (23) is connected with bolt with electric motor end cap (27); Described bearing has chute on (23); One end of push rod (24) is fixed on bearing holder (housing, cover) (26) outside, the other end of push rod (24) slides through the chute on bearing (23) and by pulling along the chute on bearing (23) of angular displacement actuator, drive bearing holder (housing, cover) (26) and biserial angular contact bearing (25) to move vertically, biserial angular contact bearing (25) drives left casing (6) motion by end cap (29);
Described power output shaft is processed with spline on (22).
2. a kind of adjustable speed cage-type rotor magnetic coupling according to claim 1, is characterized in that: the permanent magnet A(13 in described permanent-magnetic outer rotor assembly), permanent magnet B(17) adopt rare earth permanent-magnetic material, its magnetic pole logarithm should meet following relation:
F wherein
cfor torque ripple factor; P is permanent magnet pole logarithm; n
sfor cage-type rotor sliver number; N
cfor p and n
sleast common multiple; f
cchoice criteria be the minimum value that meets above formula.
3. a kind of adjustable speed cage-type rotor magnetic coupling according to claim 1, it is characterized in that: described coupling arrangement hour only comprises left casing (6) in through-put power, and weld triangle gusset (28) on the cylindrical of ring flange (16) or flange form yoke (12), described power output shaft (22) is optical axis, one end is connected from moving sleeve (5) by form of flanges and cage modle internal rotor, and the other end is connected with working machine by spring coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210441925.0A CN102916558B (en) | 2012-11-07 | 2012-11-07 | Cage-shaped rotor magnetic coupling capable of regulating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210441925.0A CN102916558B (en) | 2012-11-07 | 2012-11-07 | Cage-shaped rotor magnetic coupling capable of regulating speed |
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| Publication Number | Publication Date |
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| CN102916558A CN102916558A (en) | 2013-02-06 |
| CN102916558B true CN102916558B (en) | 2014-11-12 |
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| CN201210441925.0A Expired - Fee Related CN102916558B (en) | 2012-11-07 | 2012-11-07 | Cage-shaped rotor magnetic coupling capable of regulating speed |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103762804B (en) * | 2013-12-25 | 2016-12-07 | 沈阳揽月工业设计有限公司 | A kind of rotor moveable squirrel-cage threephase asynchronous |
| CN104006088B (en) * | 2014-06-04 | 2016-05-25 | 杭州前进联轴器有限公司 | A kind of active heat radiation type highly elastic shaft coupling |
| CN105889455A (en) * | 2014-08-23 | 2016-08-24 | 李启飞 | TF type ballscrew electric speed regulation cylinder type magnetic force coupler |
| CN106911244A (en) * | 2017-04-20 | 2017-06-30 | 大连交通大学 | Permanent magnet speed regulation device based on electric current adjusting type |
| CN109412380A (en) * | 2018-12-10 | 2019-03-01 | 杨晓伟 | Controllable output rigidity permanent magnet eddy current coupling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04166697A (en) * | 1990-10-31 | 1992-06-12 | Hitachi Ltd | magnet pump |
| JPH10225096A (en) * | 1997-02-13 | 1998-08-21 | Sawafuji Electric Co Ltd | Retarder |
| US6072258A (en) * | 1999-08-04 | 2000-06-06 | Magna Force, Inc. | Permanent magnet coupler with adjustable air gaps |
| CN201813304U (en) * | 2010-10-11 | 2011-04-27 | 西安盾安电气有限公司 | Non-contact adjustable electromagnetic coupler |
| CN102437711A (en) * | 2011-12-15 | 2012-05-02 | 南京艾凌节能技术有限公司 | Permanent magnet speed controller |
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