CN104184299A - Axial straight-line rotating converter - Google Patents
Axial straight-line rotating converter Download PDFInfo
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- CN104184299A CN104184299A CN201410452045.2A CN201410452045A CN104184299A CN 104184299 A CN104184299 A CN 104184299A CN 201410452045 A CN201410452045 A CN 201410452045A CN 104184299 A CN104184299 A CN 104184299A
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- permanent magnet
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- utmost point
- mover
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Abstract
The invention provides an axial straight-line rotating converter which can transmit torque and mechanical energy and achieve interconversion of the straight line movement and rotating movement. The converter comprises a rotating unit, a straight line unit and magnetic field modulation mechanism. The rotating unit comprises a rotor yoke and a permanent magnet, wherein the permanent magnet conducts axial magnetization and is adhered to the surface of the rotor yoke in the peripheral direction. The straight line unit comprises a rotor yoke and a permanent magnet. The magnetic field modulation is composed of magnetic field modulation iron blocks for conducting magnet, all magnetic field modulation iron blocks are arranged at intervals, are fixed together, and are placed on one side of the rotating unit and one side of the straight line unit, a certain air-gap interval is reserved between the permanent magnets and the iron blocks, the magnetic field modulation mechanism is arranged outside a moving part through the converter, the mechanical structure of the system is simplified greatly, and installation is convenient. Meanwhile, according to the converter, by the adoption of the magnetic field modulation principle, the torque density is increased, energy transmission efficiency is improved, the interconversion of the straight line movement and the rotating movement is achieved, and the converter has wide application prospects in the field of industrial transmission.
Description
Technical field
The present invention relates to a kind of axial straight line rotary converter, be applicable to contactless out-of-alignment variable speed drives occasion, belong to 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 moved.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.
Magneto rack-and-pinion is a kind of contactless transmission device, there is good reliability, stable drive, life-span long, without frictional dissipation, without lubricated, without features such as greasy dirts, be applied to gradually rectilinear motion and rotatablely move the field of conversion mutually, but its torque density that can transmit is less, energy transfer efficiency is also lower, cannot meet the needs of industrial transmission.The proposition of magnetic field modulation principle provides new approaches for improving torque density and the efficiency of permanent magnet gear.
Summary of the invention
Goal of the invention: for above-mentioned prior art, propose a kind of torque density of permanent magnet gear and axial straight line rotary converter of efficiency of improving.
Technical scheme: a kind of axial straight line rotary converter, comprises rotary unit, straight line units and magnetic regulation mechanism; Described rotary unit adopts tray type structure and is fixed on rotating shaft, comprises rotor yoke and rotor permanent magnet; Described rotor permanent magnet comprises the rotor N utmost point permanent magnet and the rotor S utmost point permanent magnet that are pasted on rotor yoke surface along circumference, and described rotor N utmost point permanent magnet and rotor S utmost point permanent magnet magnetize and interlaced setting vertically;
Described straight line units comprises mover yoke and the rotor permanent magnet magnetizing vertically, and described rotor permanent magnet space is also pasted on the surface of mover yoke along the straight line units direction of motion;
Described magnetic regulation mechanism comprises that width is identical and is disposed on the adjustable magnetic iron block on same plane, between adjacent adjustable magnetic iron block, leaves gap;
Described straight line units is arranged on tray type structure circumference one side of rotary unit, and described magnetic regulation mechanism is arranged on a side of rotary unit and straight line units place plane; Adjustable magnetic iron block is near leaving interior air gap between one end of rotary unit and the permanent magnet on rotor yoke surface, and adjustable magnetic iron block is near the outer air gap that leaves between one end of straight line units and the permanent magnet on mover yoke surface.
Further, between described adjacent adjustable magnetic iron block, fill non-magnetic medium.
Further, described rotary unit rotor permanent magnet entirety becomes annular setting, and described magnetic regulation mechanism is the aligned inside near rotating shaft near one end of rotary unit and rotor permanent magnet; Described magnetic regulation mechanism aligns near one end of straight line units and the outside away from rotary unit of rotor permanent magnet in straight line units.
Further, described rotor permanent magnet comprises the mover N utmost point permanent magnet and the mover S utmost point permanent magnet that magnetize vertically; Described mover N utmost point permanent magnet and the interlaced setting of mover S utmost point permanent magnet, leave gap between adjacent mover N utmost point permanent magnet and mover S utmost point permanent magnet.
Beneficial effect: friction has been avoided in the present invention's non-contact type magnetic transmission structurally, and then has eliminated frictional dissipation, improves energy transfer efficiency; Non-contact type magnetic transmission can also effectively reduce noise and vibration, and the stability of system is improved.
The axial straight line rotary converter that the present invention proposes, the magnetic line of force that the permanent magnet magnetizing vertically on its rotary unit produces enters in adjustable magnetic iron block through interior air gap vertically, in adjustable magnetic iron block, become radial magnetic circuit, arrive vertically again the permanent magnet of straight line units through outer air gap, the last permanent magnet of again getting back to rotary unit through adjustable magnetic iron block, thus closed-loop path formed.The main field harmonic wave that rotary unit produces becomes the harmonic wave identical with straight line units main field harmonic number through adjustable magnetic iron block, and then interacts and produce stable synchronous torque with straight line units main field; Straight line units main field harmonic wave becomes the harmonic wave identical with rotary unit main field harmonic number through adjustable magnetic iron block, and then interacts and produce stable synchronous torque with rotary unit main field; Converter has been realized the modulation to inside and outside air-gap field by magnetic regulation mechanism like this, and then makes full use of Gas-gap Magnetic Field Resonance Wave, realizes the transmission of mechanical energy between the unequal moving cell of number of magnetic poles, and the conversion of mechanical energy form; Improved the utilance of permanent magnet simultaneously.Secondly, the present invention proposes adjustable magnetic iron block interval to place, and all adjustable magnetic iron blocks are fixed together, be placed on a side of rotary unit and straight line units, and between permanent magnet, leave certain air gap separation, structure that can reducer facilitates the installation of adjustable magnetic iron block simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of straight line rotary converter;
Fig. 2 is the structural representation of rotary unit and straight line units.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done further and explained.
Embodiment 1: as shown in Figure 1, a kind of axial straight line rotary converter comprises rotary unit, straight line units and magnetic regulation mechanism.Rotary unit in the present embodiment adopts tray type structure, comprises rotor yoke 1 and rotor permanent magnet.Wherein rotor permanent magnet is five pairs of utmost points, and pole embrace is 0.6, and magnetizes vertically.Rotor N utmost point permanent magnet 2 and rotor S utmost point permanent magnet 3 are interlaced, are pasted on the surface of rotor yoke 1 along circumference.Straight line units comprises mover yoke 7 and the rotor permanent magnet magnetizing vertically.Wherein, rotor permanent magnet comprises interlaced and is pasted on mover N utmost point permanent magnet 5 and the mover S utmost point permanent magnet 6 on mover yoke 7 surfaces, between adjacent mover N utmost point permanent magnet 5 and mover S utmost point permanent magnet 6, leaves gap.Place at adjustable magnetic iron block 4 intervals, and all adjustable magnetic iron blocks are fixed together, and are placed on a side of rotary unit and straight line units, and between permanent magnet, leave certain air gap separation.The permanent magnet of permanent magnet on rotary unit, adjustable magnetic iron block 4, air gap, straight line units forms closed magnetic circuit jointly.Wherein, adjustable magnetic iron block is near one end of rotary unit and the aligned inside of the permanent magnet of the rotor yoke 1 surperficial corresponding utmost point, and the air gap between its end near rotary unit and the permanent magnet on rotor yoke 1 surface is interior air gap; Adjustable magnetic iron block aligns with the outside of mover yoke 7 surperficial permanent magnets near one end of straight line units, and the air gap between its end near straight line units and the permanent magnet on mover yoke 7 surfaces is outer air gap.
The axial straight line rotary converter that the present invention proposes, the magnetic line of force that the permanent magnet magnetizing vertically on its rotary unit produces enters in adjustable magnetic iron block through interior air gap vertically, in adjustable magnetic iron block, become radial magnetic circuit, arrive vertically again the permanent magnet of straight line units through outer air gap, the last permanent magnet of again getting back to rotary unit through adjustable magnetic iron block, thus closed-loop path formed.The main field harmonic wave that rotary unit produces becomes the harmonic wave identical with straight line units main field harmonic number through adjustable magnetic iron block, and then interacts and produce stable synchronous torque with straight line units main field; Straight line units main field harmonic wave becomes the harmonic wave identical with rotary unit main field harmonic number through adjustable magnetic iron block, and then interacts and produce stable synchronous torque with rotary unit main field; Converter has been realized the modulation to inside and outside air-gap field by magnetic regulation mechanism like this, and then makes full use of Gas-gap Magnetic Field Resonance Wave, realizes the transmission of mechanical energy between the unequal moving cell of number of magnetic poles, and the conversion of mechanical energy form.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. an axial straight line rotary converter, is characterized in that, comprises rotary unit, straight line units and magnetic regulation mechanism; Described rotary unit adopts tray type structure and is fixed on rotating shaft, comprises rotor yoke (1) and rotor permanent magnet; Described rotor permanent magnet comprises the rotor N utmost point permanent magnet (2) and the rotor S utmost point permanent magnet (3) that are pasted on rotor yoke (1) surface along circumference, and described rotor N utmost point permanent magnet (2) and rotor S utmost point permanent magnet (3) magnetize and interlaced setting vertically;
Described straight line units comprises mover yoke (7) and the rotor permanent magnet magnetizing vertically, and described rotor permanent magnet space is also pasted on the surface of mover yoke (7) along the straight line units direction of motion;
Described magnetic regulation mechanism comprises that width is identical and is disposed on the adjustable magnetic iron block (4) on same plane, between adjacent adjustable magnetic iron block (4), leaves gap;
Described straight line units is arranged on tray type structure circumference one side of rotary unit, and described magnetic regulation mechanism is arranged on a side of rotary unit and straight line units place plane; Adjustable magnetic iron block (4) is near leaving interior air gap between one end of rotary unit and the permanent magnet on rotor yoke (1) surface, and adjustable magnetic iron block (4) is near the outer air gap that leaves between one end of straight line units and the permanent magnet on mover yoke (7) surface.
2. a kind of axial straight line rotary converter according to claim 1, is characterized in that: between described adjacent adjustable magnetic iron block (4), fill non-magnetic medium.
3. a kind of axial straight line rotary converter according to claim 1, it is characterized in that: described rotary unit rotor permanent magnet entirety becomes annular setting, described magnetic regulation mechanism is the aligned inside near rotating shaft near one end of rotary unit and rotor permanent magnet; Described magnetic regulation mechanism aligns near one end of straight line units and the outside away from rotary unit of rotor permanent magnet in straight line units.
4. a kind of axial straight line rotary converter according to claim 1, is characterized in that: described rotor permanent magnet comprises the mover N utmost point permanent magnet (5) and the mover S utmost point permanent magnet (6) that magnetize vertically; Described mover N utmost point permanent magnet (5) and the interlaced setting of mover S utmost point permanent magnet (6), leave gap between adjacent mover N utmost point permanent magnet (5) and mover S utmost point permanent magnet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452045.2A CN104184299A (en) | 2014-09-05 | 2014-09-05 | Axial straight-line rotating converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452045.2A CN104184299A (en) | 2014-09-05 | 2014-09-05 | Axial straight-line rotating converter |
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| Publication Number | Publication Date |
|---|---|
| CN104184299A true CN104184299A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410452045.2A Pending CN104184299A (en) | 2014-09-05 | 2014-09-05 | Axial straight-line rotating converter |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217057A (en) * | 1983-05-19 | 1984-12-07 | Yuji Kanzaki | Power transmission apparatus utilizing permanent magnet |
| CN1310876A (en) * | 1999-04-20 | 2001-08-29 | 三菱电机株式会社 | Motor shaft for rotation/direct action converting motor and method of manufacturing the motor shaft |
| 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 |
| JP2012017776A (en) * | 2010-07-06 | 2012-01-26 | Tsubakimoto Chain Co | Magnetic driving force converter |
| CN103475185A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Converter for linear motion and rotary motion |
| US20130342057A1 (en) * | 2011-01-17 | 2013-12-26 | Lord Corporation | Linear-rotating magnet energy harvester |
-
2014
- 2014-09-05 CN CN201410452045.2A patent/CN104184299A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217057A (en) * | 1983-05-19 | 1984-12-07 | Yuji Kanzaki | Power transmission apparatus utilizing permanent magnet |
| CN1310876A (en) * | 1999-04-20 | 2001-08-29 | 三菱电机株式会社 | Motor shaft for rotation/direct action converting motor and method of manufacturing the motor shaft |
| 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 |
| JP2012017776A (en) * | 2010-07-06 | 2012-01-26 | Tsubakimoto Chain Co | Magnetic driving force converter |
| US20130342057A1 (en) * | 2011-01-17 | 2013-12-26 | Lord Corporation | Linear-rotating magnet energy harvester |
| CN103475185A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Converter for linear motion and rotary motion |
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Application publication date: 20141203 |
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| RJ01 | Rejection of invention patent application after publication |