CN103475185A - Converter for linear motion and rotary motion - Google Patents
Converter for linear motion and rotary motion Download PDFInfo
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- CN103475185A CN103475185A CN2013104614347A CN201310461434A CN103475185A CN 103475185 A CN103475185 A CN 103475185A CN 2013104614347 A CN2013104614347 A CN 2013104614347A CN 201310461434 A CN201310461434 A CN 201310461434A CN 103475185 A CN103475185 A CN 103475185A
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- point permanent
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Abstract
The invention provides a converter for linear motion and rotary motion. The converter for the linear motion and the rotary motion comprises a machine shell (10), a magnetism regulation mechanism which is arranged in the machine shell and is connected with the machine shell, a rotor which is arranged in the magnetism regulation mechanism and an active cell which is arranged outside the magnetism regulation mechanism, wherein an inner air gap is formed between the magnetism regulation mechanism and the rotor, an outer air gap is formed between the magnetism regulation mechanism and the active cell, the rotor is connected with the machine shell (10) through a bearing and rotates freely around the axis, the active cell is connected with the machine shell (10) through a guide rail or an idler wheel and moves in a translational mode along a plane, the magnetism regulation mechanism comprises magnetism regulation blocks (4) and non-magnetic packing media (5), the space between every two adjacent magnetism regulation blocks (4) is filled with the non-magnetic packing media (5), and the magnetism regulation blocks (4) and the non-magnetic packing media (5) are arranged integrally in a staggered mode. The converter for the linear motion and the rotary motion has the advantages of being capable of achieving interconversion between the linear motion and the rotary motion and adjusting the relative speed of the linear motion and the rotary motion, free of contact, low in noise, high in efficiency and the like.
Description
Technical field
The present invention relates to a kind of rectilinear motion and the transducer that rotatablely moves, be applicable to Non-contact speed-changing and drive occasion, belong to the power transmission technical field.
Background technology
In fields such as industrial and agricultural production, national defence, Aeronautics and Astronautics, the motion that often rotation motion need to be in line, or rectilinear motion is become and rotatablely moves.According to the difference of application scenario, people develop various converting means or equipment meets above-mentioned requirements, such as rack-and-pinion, chain, steel wire rope, driving-belt, screw mandrel, crank connecting link, slide block mechanism, cam ejection pin mechanism etc.In these converting means, parts moving linearly and rotating moving part are in contact with one another, and have brought the problems such as friction, vibration, noise,
Permanent magnet gear is a kind of contactless transmission device, there is good reliability, stable drive, life-span long, without frictional dissipation, without lubricated, without characteristics such as greasy dirts, be applied to gradually rectilinear motion and the conversion field that rotatablely moves, to substitute traditional converting means, as the magneto gear & rack structure.Although the magneto gear & rack structure can be realized the conversion of forms of motion and the adjusting of movement velocity preferably, its torque density that can transmit is less, efficiency is lower, and this problem has limited the application of magneto gear & rack structure.
In the recent period, the permanent magnet gear topological structure based on the magnetic field modulation principle comes out, and has greatly promoted torque and efficiency that permanent magnet gear transmits.Permanent magnet gear based on the magnetic field modulation principle and the difference of traditional permanent magnet gear are to have added magnetic regulation mechanism between two movers, have realized the modulation of air-gap field, have increased energy conversion efficiency.
Summary of the invention
Goal of the invention: the present invention proposes a kind of rectilinear motion and the transducer that rotatablely moves, and is intended to, by introducing magnetic regulation mechanism, realize the modulation of air-gap field, to increase the torque density of traditional magneto gear & rack structure, provides the efficiency of power conversion.
Technical scheme: for solving the problems of the technologies described above, the invention provides a kind of rectilinear motion and the transducer that rotatablely moves, this transducer comprises casing, be placed in magnetic regulation mechanism in casing, be arranged on the rotor of magnetic regulation mechanism inside and be arranged on the mover of magnetic regulation mechanism outside; Air gap in forming between magnetic regulation mechanism and rotor, form outer air gap between magnetic regulation mechanism and mover;
Rotor is connected with casing by bearing, around axis, rotates freely, and mover crosses guide rail or roller is connected with casing, along plane translation, moves;
Wherein, magnetic regulation mechanism comprises adjustable magnetic iron block and non-magnetic filled media; Fill non-magnetic filled media between adjacent adjustable magnetic iron block, the adjustable magnetic iron block is with together with non-magnet material is staggered;
Mover comprises mover N utmost point permanent magnet, mover S utmost point permanent magnet and mover yoke; Place mover S utmost point permanent magnet between adjacent mover N utmost point permanent magnet, place mover N utmost point permanent magnet between adjacent mover S utmost point permanent magnet, mover N utmost point permanent magnet and mover S utmost point permanent magnet are staggered, and stick on mover yoke surface;
Rotor comprises rotor N utmost point permanent magnet, rotor S utmost point permanent magnet, rotor yoke and rotating shaft; Place rotor S utmost point permanent magnet between adjacent rotor N utmost point permanent magnet, place rotor N utmost point permanent magnet between adjacent rotor S utmost point permanent magnet, rotor N utmost point permanent magnet and rotor S utmost point permanent magnet are staggered, and stick on the rotor yoke surface;
In close rotor one side, magnetic regulation mechanism is the semi-circular structure of caving in, and its place axis overlaps with rotor axis, with the interior air gap of being spaced apart of rotor; In close mover one side, magnetic regulation mechanism is flat structure, and its plane, place is parallel with the mover surface, with the outer air gap of being spaced apart of mover.
Preferably, rotor yoke, adjustable magnetic iron block and mover yoke 3 are made by permeability magnetic material.
Preferably, rotor N utmost point permanent magnet, rotor S utmost point permanent magnet, mover N utmost point permanent magnet and mover S utmost point permanent magnet are made by neodymium iron boron, SmCo or other permanent magnetic material respectively.
Preferably, rotor N utmost point permanent magnet, rotor S utmost point permanent magnet, mover N utmost point permanent magnet and mover S utmost point permanent magnet are integral type structure or fraction block structure.
Preferably, rotor N utmost point permanent magnet, rotor S utmost point permanent magnet adopt surface-mount type or embedded structure to be fixed on rotor yoke.
Beneficial effect:
1) can realize rectilinear motion and the conversion and the transmission of power that rotatablely move;
2) contactless transmission has been eliminated the problems such as abrasion, vibration, noise;
3) without lubricating oil and periodic maintenance maintenance;
4) there is automatic overload protection ability, improved the reliability of system;
5), by introducing the adjustable magnetic iron block, improved power density and the energy conversion efficiency of device.
The accompanying drawing explanation
Fig. 1 is radial section schematic diagram of the present invention.
Fig. 2 a is a kind of rotor structure schematic diagram of the present invention, and magnet steel sticks on the rotor yoke surface, between rotor N utmost point permanent magnet and S utmost point permanent magnet without air gap.
Fig. 2 b is a kind of rotor structure schematic diagram of the present invention, and magnet steel sticks on the rotor yoke surface, between rotor N utmost point permanent magnet and S utmost point permanent magnet without air gap.
Fig. 3 a is a kind of rotor structure schematic diagram of the present invention, and magnet steel embeds rotor yoke inside, and magnet steel is the tile-type structure.
Fig. 3 b is a kind of rotor structure schematic diagram of the present invention, and magnet steel embeds rotor yoke inside, a kind of laying method that magnet steel is rectangular configuration.
Fig. 3 c is a kind of rotor structure schematic diagram of the present invention, and magnet steel embeds rotor yoke inside, the another kind of laying method that magnet steel is rectangular configuration.
In figure, mover arctic permanent magnet 1, mover South Pole permanent magnet 2, mover yoke 3, adjustable magnetic iron block 4, non-magnetic filled media 5, rotor arctic permanent magnet 6, rotor South Pole permanent magnet 7, rotor yoke 8, rotating shaft 9, casing 10.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Referring to Fig. 1, rectilinear motion provided by the invention and the transducer that rotatablely moves, this transducer comprises casing 10, be placed in magnetic regulation mechanism in casing 10 and that be connected with casing, be arranged on the rotor in magnetic regulation mechanism and be arranged on the mover of magnetic regulation mechanism outside; Air gap in forming between magnetic regulation mechanism and rotor, form outer air gap between magnetic regulation mechanism and mover.
Rotor is connected with casing 10 by bearing, around axis, rotates freely, and mover crosses guide rail or roller is connected with casing 10, along plane translation, moves.
Wherein, magnetic regulation mechanism comprises adjustable magnetic iron block 4 and non-magnetic filled media 5; Fill non-magnetic filled media 5 between adjacent adjustable magnetic iron block 4, adjustable magnetic iron block 4 is with together with non-magnet material 5 is staggered.
Mover comprises mover N utmost point permanent magnet 1, mover S utmost point permanent magnet 2 and mover yoke 3; Place mover S utmost point permanent magnet 2 between adjacent mover N utmost point permanent magnet 1, place mover N utmost point permanent magnet 1 between adjacent mover S utmost point permanent magnet 2, mover N utmost point permanent magnet 1 and mover S utmost point permanent magnet 2 are staggered, and stick on mover yoke 3 surfaces.
Rotor comprises rotor N utmost point permanent magnet 6, rotor S utmost point permanent magnet 7, rotor yoke 8 and rotating shaft 9; Place rotor S utmost point permanent magnet 7 between adjacent rotor N utmost point permanent magnet 6, place rotor N utmost point permanent magnet 6 between adjacent rotor S utmost point permanent magnet 7, rotor N utmost point permanent magnet 6 and rotor S utmost point permanent magnet 7 are staggered, and stick on rotor yoke 8 surfaces.
In close rotor one side, magnetic regulation mechanism is the semi-circular structure of caving in, and its place axis overlaps with rotor axis, with the interior air gap of being spaced apart of rotor; In close mover one side, magnetic regulation mechanism is flat structure, and its plane, place is parallel with the mover surface, with the outer air gap of being spaced apart of mover.
Rotor N utmost point permanent magnet 6, rotor S utmost point permanent magnet 7, mover N utmost point permanent magnet 1 and mover S utmost point permanent magnet 2 are made by neodymium iron boron, SmCo or other permanent magnetic material respectively.
Rotor N utmost point permanent magnet 6, rotor S utmost point permanent magnet 7, mover N utmost point permanent magnet 1 and mover S utmost point permanent magnet 2 are integral type structure or fraction block structure.
Rotor N utmost point permanent magnet 6, rotor S utmost point permanent magnet 7 adopt surface-mount type or embedded structure to be fixed on rotor yoke 8.
Visible, the rectilinear motion that the present invention proposes and the transducer that rotatablely moves are radial structure, and its cross section is followed successively by rotor, interior air gap, magnetic regulation mechanism, outer air gap and mover from inside to outside.Rotor and mover are moving part, and magnetic regulation mechanism and casing link together, and maintain static.
The rotor-side permanent magnet can adopt surperficial adhesive type structure or embedded structure to be fixed on rotor yoke, can adopt radial magnetizing, parallel magnetization, and the mode that magnetizes such as axial charging, also can adopt hallbach structure permanent magnet.
Described mover side permanent magnet also can adopt surperficial adhesive type structure or embedded structure to be fixed on the mover yoke, can adopt radial magnetizing, also can adopt hallbach structure permanent magnet.
Characteristics of the present invention are embodied in, and on the basis of magnetic gear and magnetic tooth bar, introduce magnetic regulation mechanism space magnetic field is modulated, and utilize the space harmonics transferring energy, have improved energy conversion efficiency, enlarge active surface.Described rotor N utmost point permanent magnet and rotor S utmost point permanent magnet can adopt surperficial adhesive type structure or embedded structure to be fixed on rotor yoke, as shown in Figures 2 and 3.
The number of pole-pairs of rotor permanent magnet number of pole-pairs and rotor permanent magnet need be carried out calculative determination according to the rotating speed no-load voltage ratio.
Rotor can be around the axis bidirectional rotation, but mover way moving on certain plane.Rotor and mover can be connected to respectively and drive or driven parts, carry out the conversion of forms of motion, moment transmission and velocity transformation.Described transducer both can have been realized rectilinear motion and the mutual conversion rotatablely moved, the relative velocity of regulating rectilinear motion and rotatablely moving, have again contactless, noise is little, the efficiency advantages of higher.
The foregoing is only better embodiment of the present invention; protection scope of the present invention is not limited with above-mentioned execution mode; in every case the equivalence that those of ordinary skills do according to disclosed content is modified or is changed, and all should include in the protection range of putting down in writing in claims.
Claims (5)
1. a rectilinear motion and the transducer that rotatablely moves is characterized in that: this transducer comprises casing (10), be placed in magnetic regulation mechanism in casing (10) and that be connected with casing, be arranged on the rotor in magnetic regulation mechanism and be arranged on the mover of magnetic regulation mechanism outside; Air gap in forming between magnetic regulation mechanism and rotor, form outer air gap between magnetic regulation mechanism and mover;
Rotor is connected with casing (10) by bearing, around axis, rotates freely, and mover crosses guide rail or roller is connected with casing (10), along plane translation, moves;
Wherein, magnetic regulation mechanism comprises adjustable magnetic iron block (4) and non-magnetic filled media (5); Fill non-magnetic filled media (5) between adjacent adjustable magnetic iron block (4), adjustable magnetic iron block (4) and non-magnet material (5) are staggered together;
Mover comprises mover N utmost point permanent magnet (1), mover S utmost point permanent magnet (2) and mover yoke (3); Place mover S utmost point permanent magnet (2) between adjacent mover N utmost point permanent magnet (1), place mover N utmost point permanent magnet (1) between adjacent mover S utmost point permanent magnet (2), mover N utmost point permanent magnet (1) and mover S utmost point permanent magnet (2) are staggered, and stick on mover yoke (3) surface;
Rotor comprises rotor N utmost point permanent magnet (6), rotor S utmost point permanent magnet (7), rotor yoke (8) and rotating shaft (9); Place rotor S utmost point permanent magnet (7) between adjacent rotor N utmost point permanent magnet (6), place rotor N utmost point permanent magnet (6) between adjacent rotor S utmost point permanent magnet (7), rotor N utmost point permanent magnet (6) and rotor S utmost point permanent magnet (7) are staggered, and stick on rotor yoke (8) surface;
In close rotor one side, magnetic regulation mechanism is the semi-circular structure of caving in, and its place axis overlaps with rotor axis, with the interior air gap of being spaced apart of rotor; In close mover one side, magnetic regulation mechanism is flat structure, and its plane, place is parallel with the mover surface, with the outer air gap of being spaced apart of mover.
2. rectilinear motion according to claim 1 and the transducer that rotatablely moves, it is characterized in that: rotor yoke (8), adjustable magnetic iron block (4) and mover yoke (3) are made by permeability magnetic material.
3. rectilinear motion according to claim 1 and the transducer that rotatablely moves, it is characterized in that: rotor N utmost point permanent magnet (6), rotor S utmost point permanent magnet (7), mover N utmost point permanent magnet (1) and mover S utmost point permanent magnet (2) are made by neodymium iron boron, SmCo or other permanent magnetic material respectively.
4. rectilinear motion according to claim 1 and the transducer that rotatablely moves, it is characterized in that: rotor N utmost point permanent magnet (6), rotor S utmost point permanent magnet (7), mover N utmost point permanent magnet (1) and mover S utmost point permanent magnet (2) are integral type structure or fraction block structure.
5. rectilinear motion according to claim 1 and the transducer that rotatablely moves, it is characterized in that: rotor N utmost point permanent magnet (6), rotor S utmost point permanent magnet (7) adopt surface-mount type or embedded structure to be fixed on rotor yoke (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104614347A CN103475185A (en) | 2013-09-30 | 2013-09-30 | Converter for linear motion and rotary motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104614347A CN103475185A (en) | 2013-09-30 | 2013-09-30 | Converter for linear motion and rotary motion |
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| Publication Number | Publication Date |
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| CN103475185A true CN103475185A (en) | 2013-12-25 |
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|---|---|---|---|
| CN2013104614347A Pending CN103475185A (en) | 2013-09-30 | 2013-09-30 | Converter for linear motion and rotary motion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158380A (en) * | 2014-09-05 | 2014-11-19 | 东南大学 | Linear and rotary motion converter for asymmetric rotor |
| CN104184299A (en) * | 2014-09-05 | 2014-12-03 | 东南大学 | Axial straight-line rotating converter |
| CN104184302A (en) * | 2014-09-05 | 2014-12-03 | 东南大学 | Linear and rotary motion converter for V-type magnetic pole |
| CN105634193A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Magnetic gear based rotating-linear variable speed motor |
| CN113991967A (en) * | 2021-09-30 | 2022-01-28 | 清华大学 | Non-contact permanent magnet supporting device |
Citations (5)
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|---|---|---|---|---|
| US750009A (en) * | 1904-01-19 | Sylvania | ||
| JPS59217057A (en) * | 1983-05-19 | 1984-12-07 | Yuji Kanzaki | Power transmission apparatus utilizing permanent magnet |
| CN1082264A (en) * | 1993-05-27 | 1994-02-16 | 王宗刚 | Permanent magnetic force rotary motion to linear motion conversion mechanism |
| CN101534044A (en) * | 2008-03-14 | 2009-09-16 | 刘新广 | Magnetic rotation conversion straight-moving mechanism |
| JP2010200721A (en) * | 2009-03-06 | 2010-09-16 | Suzuki Menko:Kk | Apparatus for twisting noodle strip and nozzle interlocking mechanism |
-
2013
- 2013-09-30 CN CN2013104614347A patent/CN103475185A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US750009A (en) * | 1904-01-19 | Sylvania | ||
| JPS59217057A (en) * | 1983-05-19 | 1984-12-07 | Yuji Kanzaki | Power transmission apparatus utilizing permanent magnet |
| CN1082264A (en) * | 1993-05-27 | 1994-02-16 | 王宗刚 | Permanent magnetic force rotary motion to linear motion conversion mechanism |
| CN101534044A (en) * | 2008-03-14 | 2009-09-16 | 刘新广 | Magnetic rotation conversion straight-moving mechanism |
| JP2010200721A (en) * | 2009-03-06 | 2010-09-16 | Suzuki Menko:Kk | Apparatus for twisting noodle strip and nozzle interlocking mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 杜世勤: "磁场调制式磁力齿轮及其有限元计算", 《上海电机学院学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158380A (en) * | 2014-09-05 | 2014-11-19 | 东南大学 | Linear and rotary motion converter for asymmetric rotor |
| CN104184299A (en) * | 2014-09-05 | 2014-12-03 | 东南大学 | Axial straight-line rotating converter |
| CN104184302A (en) * | 2014-09-05 | 2014-12-03 | 东南大学 | Linear and rotary motion converter for V-type magnetic pole |
| CN105634193A (en) * | 2016-02-29 | 2016-06-01 | 东南大学 | Magnetic gear based rotating-linear variable speed motor |
| CN113991967A (en) * | 2021-09-30 | 2022-01-28 | 清华大学 | Non-contact permanent magnet supporting device |
| CN113991967B (en) * | 2021-09-30 | 2023-07-14 | 清华大学 | Non-contact permanent magnet supporting device |
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Application publication date: 20131225 |