CN102720822B - A kind of planet magnetic engages flexible speed-regulating actuator - Google Patents
A kind of planet magnetic engages flexible speed-regulating actuator Download PDFInfo
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- CN102720822B CN102720822B CN201210219063.7A CN201210219063A CN102720822B CN 102720822 B CN102720822 B CN 102720822B CN 201210219063 A CN201210219063 A CN 201210219063A CN 102720822 B CN102720822 B CN 102720822B
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- wheel assembly
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Abstract
The present invention relates to a kind of planet magnetic and engage flexible speed-regulating actuator, comprise shell, planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly and, speed-adjustable motor and preposition gear-box, described planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly is all established in the enclosure, described speed-adjustable motor is connected with center magnet-wheel assembly, and be arranged on outside shell, described preposition gear-box is connected with planet magnet wheel assembly, and be arranged on outside shell, described planet magnet wheel assembly, corresponding bearing is provided with between outer magnetic ring assembly and center magnet-wheel assembly, make planet magnet wheel assembly, center magnet-wheel assembly, outer magnetic ring assembly is all rotatable, form three Concentric rotation axles.Compared with prior art, the present invention has and can regulate the rotation speed relation of input shaft and output shaft, low-loss, low noise continuously, has limit and turn round the advantages such as protective function.
Description
Technical field
The present invention relates to a kind of magnetic mesh gear, especially relate to a kind of planet magnetic and engage flexible speed-regulating actuator.
Background technique
Current mechanical gear is functional most popular fixed speed ratio slewing gear, but gear transmission exists mechanical friction and loss, needs auxiliary lubricating device, cooling unit and good maintenance.This external gear driving belongs to positive drive, itself can not realize turning round protection transmission to the absorption of impact moment and limit.
Compared with conventional mechanical gear transmission, magnetic engagement driving, eliminate frictional loss and the mechanical failure of tooth engagement generation, without meshing noise, do not need gear-driven oil lubrication and cooling unit, without the need to other maintenance of machine except bearing, if the regular apparatus for automatic change of configuration bearing grease, then can realize non-maintaining, thus improve transmission efficiency and functional reliability.Magnetic engagement driving is Flexible Transmission, and start-up course or impact moment can be avoided the infringement of upstream device; Magnetic engagement driving has automatic limiting and turns round function, when driving torque exceed magnetic nibble the maximum moment of transmission device time, output torque will be dropped rapidly to zero and stall, protection upstream device.
Modern transmission is more and more requires speed change, regulator drive, and conventional planet gear is fixing variable ratio transmission, and the gear ratio of general magnetic engagement driving is also fixed value, is difficult to the requirement meeting speed change, regulator drive.
Summary of the invention
Object of the present invention is exactly provide a kind of input shaft can be regulated on demand with output shaft rotation speed relation, low-loss, low noise to overcome defect that above-mentioned prior art exists, have and limit the planet magnetic turning round protective function to engage flexible speed-regulating actuator.
Object of the present invention can be achieved through the following technical solutions:
A kind of planet magnetic engages flexible speed-regulating actuator, comprise shell, planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly and, speed-adjustable motor and preposition gear-box, described planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly is all established in the enclosure, described speed-adjustable motor is connected with center magnet-wheel assembly, and be arranged on outside shell, described preposition gear-box is connected with planet magnet wheel assembly, and be arranged on outside shell, described planet magnet wheel assembly, outer magnetic ring assembly is connected respectively by bearing with center magnet-wheel assembly, make planet magnet wheel assembly, center magnet-wheel assembly, outer magnetic ring assembly is all rotatable, form three Concentric rotation axles.
Described planet magnet wheel assembly comprises the symmetrical planet magnetic wheels of input gear, planet carrier and at least three groups, described planet magnetic wheels are connected with planet carrier by bearing, described planet carrier is connected with center magnet-wheel assembly by bearing, described input gear is fixedly connected with planet carrier, described input gear engages with the parallel gears in preposition gear-box, and outside input torque is delivered to planet magnet wheel assembly.
Described planet magnetic wheels comprise multiple planet magnet wheels of axially-aligned, and described planet magnet wheel is made up of the planet wheel plate insulated and planet permanent magnet, and described planet permanent magnet is evenly distributed on the periphery of planet wheel plate by N pole, S pole alternating polarity.
Described outer magnetic ring assembly comprises multiple outer magnetic rings of outer ring framework, outer ring shaft extension and axially-aligned, and described shaft extension one end, outer ring is connected with outer ring framework, and the other end is connected with shell by bearing, and described outer magnetic ring is fixed on the framework of outer ring.
Described outer magnetic ring is made up of the outer girth sheets insulated and outer ring permanent magnet, and described outer ring permanent magnet is evenly distributed on the periphery of outer girth sheets by N pole, S pole alternating polarity.
Described center magnet-wheel assembly comprises multiple centers magnet-wheel of center-wheel arbor and axially-aligned, and described center magnet-wheel is connected with center-wheel arbor, and described center-wheel arbor is connected with speed-adjustable motor.
Described center magnet-wheel is made up of the center wheel plate insulated and center permanent magnet, and described center permanent magnet is evenly distributed on the periphery of center wheel plate by N pole, S pole alternating polarity.
Described speed-adjustable motor comprises direct current generator, asynchronous motor, permagnetic synchronous motor, brshless DC motor or switched reluctance machines, and described speed-adjustable motor is at least provided with one.
Pass between described outer magnetic ring axially-aligned number W, planet magnet wheel axially-aligned number X and center magnet-wheel axially-aligned number Z is X=W-1=Z-1 or X=W+1=Z+1, described outer magnetic ring and planet magnet wheel are axially staggered, and described planet magnet wheel and center magnet-wheel are axially staggered.
Described being staggered is provided with planet conductive magnetic yoke on outermost planet magnet wheel, and described being staggered is provided with outer magnetic ring conductive magnetic yoke on outermost outer magnetic ring, and described being staggered is provided with central guiding yoke on the magnet-wheel of outermost center.
Compared with prior art, the present invention has the following advantages:
1) have speed-regulating function, can regulate the rotation speed relation of input shaft and output shaft continuously, speed governing power is little, speed-regulating range width;
2) the present invention can be applicable to the front end speed governing of speed-variable frequency-constant wind-driven generator, speed change input can be converted into constant speed and export, and the power of speed-adjustable motor is only 1/7 of wind-driven generator rated power;
3) adopt magnetic engagement driving, eliminate frictional loss and the mechanical failure of tooth engagement generation, improve working efficiency and reliability, without meshing noise;
4) do not need gear-driven oil lubrication and cooling unit, without the need to other maintenance of machine except bearing, if the regular apparatus for automatic change of configuration bearing grease, then can realize non-maintaining;
5) permanent magnetism engagement driving is Flexible Transmission, and start-up course or impact moment can be avoided the infringement of upstream device;
6) permanent magnetism engagement driving has automatic limiting and turns round function, when driving torque exceed magnetic nibble the maximum moment of transmission device time, export average moment and will be dropped rapidly to zero and stall, protection upstream device;
7) by changing the right quantity of axial arranged magnet-wheel, can change the size of carry-over moment easily, design arrangement is flexible.
Accompanying drawing explanation
Fig. 1 is the generalized section of a kind of structure of apparatus of the present invention;
Fig. 2 is the generalized section of the another kind of structure of apparatus of the present invention;
Fig. 3 is the schematic diagram of apparatus of the present invention three groups of planet magnetic wheels;
Fig. 4 is the schematic diagram of apparatus of the present invention four groups of planet magnetic wheels.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, a kind of planet magnetic engages flexible speed-regulating actuator, comprise shell 4, planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly, speed-adjustable motor 18 and preposition gear-box 1, described planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly are all located in shell 4, described speed-adjustable motor 18 is connected with center magnet-wheel assembly, and being arranged on outside shell, described preposition gear-box 1 is connected with planet magnet wheel assembly, and is arranged on outside shell.Planet magnet wheel assembly and center magnet-wheel assembly, outer magnetic ring assembly with between be provided with corresponding bearing, center magnet-wheel assembly, outer magnetic ring assembly to be provided with corresponding bearing between shell, make planet magnet wheel assembly, center magnet-wheel assembly, outer magnetic ring assembly all rotatable, form three Concentric rotation axles.
Described planet magnet wheel assembly comprises input gear 3, planet carrier 5 and three groups of symmetrical planet magnetic wheels (as shown in Figure 3).Planet magnetic wheels are connected with planet carrier 5 by bearing, and planet carrier 5 is connected with center magnet-wheel assembly by bearing, and input gear 3 is fixedly connected with planet carrier 5.Described planet magnetic wheels comprise multiple planet magnet wheels of axially-aligned, planet magnet wheel is made up of the planet wheel plate 6 insulated and planet permanent magnet 8, the permanent magnet quantity of planet magnet wheel is Nx, be evenly distributed on the periphery of planet wheel plate 6 by N pole, S pole alternating polarity with radius R x, the distance between adjacent permanent magnet is Ax (chord length or arc length).Planet magnet wheel assembly is provided with corresponding bearing between center magnet-wheel assembly, outer magnetic ring assembly.Planet magnet wheel assembly is engaged by input gear 3 and afterbody parallel gears 2 in preposition gear-box 1, and the input torque of external prime mover is delivered to planet magnet wheel assembly.
Described outer magnetic ring assembly comprises outer ring framework 9, multiple outer magnetic ring of axially-aligned and outer ring shaft extension 12, and described outer ring shaft extension 12 one end is connected with outer ring framework 9, and the other end is connected with shell 4 by bearing.Outer magnetic ring is made up of the outer girth sheets 10 insulated and outer ring permanent magnet 11.The permanent magnet quantity of outer magnetic ring is Nw, is evenly distributed on the periphery of outer girth sheets with radius R w by N pole, S pole alternating polarity, and the distance between adjacent permanent magnet is Aw (chord length or arc length).Described outer magnetic ring is fixed on outer ring framework 9, and outer ring framework 9 has corresponding bearing between center magnet-wheel assembly, planet magnet wheel assembly and shell.Outer ring shaft extension 12 is output shaft.
Described center magnet-wheel assembly comprises multiple centers magnet-wheel of center-wheel arbor 17 and axially-aligned, and center magnet-wheel is made up of the center wheel plate 13 insulated and center permanent magnet 14, and center wheel plate 13 is connected with center-wheel arbor 17.The permanent magnet quantity of center magnet-wheel is Nz, is evenly distributed on the periphery of center wheel plate with radius R z by N pole, S pole alternating polarity, and the distance between adjacent permanent magnet is Az (chord length or arc length).Center planet magnet wheel assembly is provided with corresponding bearing between planet magnet wheel assembly, outer magnetic ring assembly and shell.
Described speed-adjustable motor 18 is connected with center-wheel arbor 17, and center-wheel arbor 17 is speed governing axle.Described speed-adjustable motor 17 can be DC speed-regulating motor, also can be by the motor of power electronic equipment speed governing, comprise asynchronous motor, permagnetic synchronous motor, brshless DC motor or switched reluctance machines.One or more equally distributed speed-adjustable motor can be set as required.A speed-adjustable motor is set in the present embodiment.
On described outer magnetic ring, planet magnet wheel and center magnet-wheel, the distance of equally distributed permanent magnet is all equal, i.e. Aw=Ax=Az, and radius to be the circle of Rx and radius the be circle of Rw is close to inscribe, and radius is the circle of Rx and radius is that the circle of Rz is close to circumscribed.
If the input speed of planet carrier 5 is n1, the rotating speed of center-wheel arbor 17 is nt, and the output speed of outer ring shaft extension 12 is n2, then the rotating speed of speed governing axle is: nt=n1* (1+Nw/Nz)-n2*Nw/Nz.The rotation speed relation of input shaft and output shaft can be regulated by controlling speed-adjustable motor.One of its purposes, be speed change input can be converted into constant speed to export, be applicable to the front end speed governing of speed-variable frequency-constant wind-driven generator, the power of speed-adjustable motor is only 1/7 of wind-driven generator rated power.
In the present embodiment, the pass between outer magnetic ring axially-aligned number W, planet magnet wheel axially-aligned number X and center magnet-wheel axially-aligned number Z is X=W-1=Z-1, W: X: Z=4: 3: 4.
Outer magnetic ring and planet magnet wheel are axially staggered, and planet magnet wheel and center magnet-wheel are axially staggered.As shown in Figure 1, be staggered in the present embodiment is provided with outer magnetic ring conductive magnetic yoke 16 on outermost outer magnetic ring, is staggered to be provided with central guiding yoke 15 on the magnet-wheel of outermost center.
The cylindrical of planet wheel plate 6 and center wheel plate 13 can solidify with high tensile strength fibrous material colligation, to strengthen the bulk strength of planet magnet wheel and center magnet-wheel.
Embodiment 2
The present embodiment is basic identical with embodiment 1, difference is: as shown in Figure 2, Figure 4 shows, the present embodiment is provided with four groups of symmetrical planet magnetic wheels, pass between outer magnetic ring axially-aligned number W, planet magnet wheel axially-aligned number X and center magnet-wheel axially-aligned number Z is X=W+1=Z+1, W: X: Z=3: 4: 3.As shown in Figure 2, being staggered in the present embodiment is provided with planet conductive magnetic yoke 7 on outermost planet magnet wheel.
Claims (4)
1. a planet magnetic engages flexible speed-regulating actuator, it is characterized in that, comprise shell, planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly, speed-adjustable motor and preposition gear-box, described planet magnet wheel assembly, outer magnetic ring assembly, center magnet-wheel assembly is all established in the enclosure, described speed-adjustable motor is connected with center magnet-wheel assembly, and be arranged on outside shell, described preposition gear-box is connected with planet magnet wheel assembly, and be arranged on outside shell, described planet magnet wheel assembly, outer magnetic ring assembly is connected respectively by bearing with center magnet-wheel assembly, make planet magnet wheel assembly, center magnet-wheel assembly, outer magnetic ring assembly is all rotatable, form three Concentric rotation axles,
Described planet magnet wheel assembly comprises the symmetrical planet magnetic wheels of input gear, planet carrier and at least three groups, described planet magnetic wheels are connected with planet carrier by bearing, described planet carrier is connected with center magnet-wheel assembly by bearing, described input gear is fixedly connected with planet carrier, described input gear engages with the parallel gears in preposition gear-box, and outside input torque is delivered to planet magnet wheel assembly;
Described planet magnetic wheels comprise multiple planet magnet wheels of axially-aligned, and each planet magnet wheel is by the planet wheel plate insulated and planet permanent magnet composition, and described planet permanent magnet is evenly distributed on the periphery of planet wheel plate by N pole, S pole alternating polarity;
Described outer magnetic ring assembly comprises multiple outer magnetic rings of outer ring framework, outer ring shaft extension and axially-aligned, and described shaft extension one end, outer ring is connected with outer ring framework, and the other end is connected with shell by bearing, and each outer magnetic ring is all fixed on the framework of outer ring;
Described center magnet-wheel assembly comprises multiple centers magnet-wheel of center-wheel arbor and axially-aligned, and each center magnet-wheel is all connected with center-wheel arbor, and described center-wheel arbor is connected with speed-adjustable motor;
Each outer magnetic ring is by the outer girth sheets insulated and outer ring permanent magnet composition, and described outer ring permanent magnet is evenly distributed on the periphery of outer girth sheets by N pole, S pole alternating polarity;
Each center magnet-wheel is by the center wheel plate insulated and center permanent magnet composition, and described center permanent magnet is evenly distributed on the periphery of center wheel plate by N pole, S pole alternating polarity.
2. a kind of planet magnetic according to claim 1 engages flexible speed-regulating actuator, it is characterized in that, described speed-adjustable motor is connected with center-wheel arbor, described speed-adjustable motor comprises direct current generator, asynchronous motor, permagnetic synchronous motor, brshless DC motor or switched reluctance machines, and described speed-adjustable motor is at least provided with one.
3. a kind of planet magnetic according to claim 1 engages flexible speed-regulating actuator, it is characterized in that, pass between described multiple outer magnetic ring axially-aligned number W, multiple planet magnet wheel axially-aligned number X and multiple center magnet-wheel axially-aligned number Z is X=W-1=Z-1 or X=W+1=Z+1, described multiple outer magnetic ring and multiple planet magnet wheel are axially staggered, and described multiple planet magnet wheel and multiple centers magnet-wheel are axially staggered.
4. a kind of planet magnetic according to claim 3 engages flexible speed-regulating actuator, it is characterized in that, be staggered and be provided with planet conductive magnetic yoke on outermost planet magnet wheel, be staggered and be provided with outer magnetic ring conductive magnetic yoke on outermost outer magnetic ring, be staggered is provided with central guiding yoke on the magnet-wheel of outermost center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219063.7A CN102720822B (en) | 2012-06-28 | 2012-06-28 | A kind of planet magnetic engages flexible speed-regulating actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219063.7A CN102720822B (en) | 2012-06-28 | 2012-06-28 | A kind of planet magnetic engages flexible speed-regulating actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720822A CN102720822A (en) | 2012-10-10 |
| CN102720822B true CN102720822B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210219063.7A Expired - Fee Related CN102720822B (en) | 2012-06-28 | 2012-06-28 | A kind of planet magnetic engages flexible speed-regulating actuator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3501753B1 (en) * | 2017-12-21 | 2021-03-31 | Guido Valentini | Hand guided and/or hand held electric or pneumatic power tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023025A1 (en) * | 1996-11-16 | 1998-05-28 | Schuessler Gerd | Magnetic planetary gear |
| CN1385635A (en) * | 2002-06-21 | 2002-12-18 | 魏乐汉 | Multi-layer magnetic engaged wheel and magnetic gearing device |
| WO2008085931A2 (en) * | 2007-01-09 | 2008-07-17 | Magnetic Torque International, Ltd. | Magnetic planetary gear system and apparatus using the same |
| CN101242129A (en) * | 2008-03-10 | 2008-08-13 | 苏州博菲利电动科技有限公司 | Dynamic transmission device for planet magnetic wheel system |
| CN101495778A (en) * | 2006-08-04 | 2009-07-29 | 本田技研工业株式会社 | Magnetic power transmission device |
| WO2010142962A2 (en) * | 2009-06-12 | 2010-12-16 | University Of Strathclyde | Magnetic gearbox |
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
-
2012
- 2012-06-28 CN CN201210219063.7A patent/CN102720822B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023025A1 (en) * | 1996-11-16 | 1998-05-28 | Schuessler Gerd | Magnetic planetary gear |
| CN1385635A (en) * | 2002-06-21 | 2002-12-18 | 魏乐汉 | Multi-layer magnetic engaged wheel and magnetic gearing device |
| CN101495778A (en) * | 2006-08-04 | 2009-07-29 | 本田技研工业株式会社 | Magnetic power transmission device |
| WO2008085931A2 (en) * | 2007-01-09 | 2008-07-17 | Magnetic Torque International, Ltd. | Magnetic planetary gear system and apparatus using the same |
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
| CN101242129A (en) * | 2008-03-10 | 2008-08-13 | 苏州博菲利电动科技有限公司 | Dynamic transmission device for planet magnetic wheel system |
| WO2010142962A2 (en) * | 2009-06-12 | 2010-12-16 | University Of Strathclyde | Magnetic gearbox |
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| CN102720822A (en) | 2012-10-10 |
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Granted publication date: 20160120 Termination date: 20180628 |