CN103016676B - Asynchronous inducting type less-polarity-difference magnetic driving eccentric gear pair in transverse magnetic field - Google Patents
Asynchronous inducting type less-polarity-difference magnetic driving eccentric gear pair in transverse magnetic field Download PDFInfo
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- CN103016676B CN103016676B CN201110280089.8A CN201110280089A CN103016676B CN 103016676 B CN103016676 B CN 103016676B CN 201110280089 A CN201110280089 A CN 201110280089A CN 103016676 B CN103016676 B CN 103016676B
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Abstract
The invention relates to an asynchronous inducting type less-polarity-difference magnetic driving eccentric gear pair in a transverse magnetic field, which is widely applied to the fields of wind power generation, electric automobile, ship driving and other industry transmissions requiring direct driving. The asynchronous inducting type less-polarity-difference magnetic driving eccentric gear pair in the transverse magnetic field is characterized in that a pair of magnetic driving gear pairs in the transverse magnetic field are composed of a disc-shaped big magnetic plate and a disc-shaped planet gear plate, wherein 2p1 big magnetic plate permanent magnets (1) are distributed on the disc-shaped big magnetic plate; the disc-shaped planet gear plate is provided with planet gear conductor plates (2) for Z2 conductors; the fixed range between the 2p1 and Z2 is existed; two gear plates with less polarity difference are connected into an eccentric structure through an eccentric input shaft (3) mounted with a second bearing (12) and a third bearing (13); the planet gear conductor plates (2) are driven to revolve around an axis at a rotating speed n1 by the eccentric input shaft (3); and the Z2 conductors on the planet gear conductor plates (2) are moved relative to an air-gap permanent magnetic field, the current i2 is induced in the conductors, and a revolving moment is generated under the action of the air-gap permanent magnetic field, so that the planet gear plate is driven to slowly revolve around an own axis at the rotating speed n2 along a reverse direction and the revolution is outputted through a pore pin type output structure.
Description
Technical field
The present invention is a kind of few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field, it is a kind of variable speed drive utilizing magnetic gear drive technology mutually to change to realize high rotating speed Low-torque mechanical energy and slow-speed of revolution high-torque mechanical energy, directly can replace conventional mechanical change gear transmission speed system, be widely used in wind-power electricity generation, hydroelectric power, electric vehicle, ships drive and other needs the industrial transmission field of Direct driver.
Background technique
Often need to realize the mechanical energy of slow-speed of revolution high-torque and the mutual conversion of high rotating speed Low-torque mechanical energy at many transmission fields of commercial Application, such as: wind-power electricity generation and hydroelectric field need the pole slow-speed of revolution and the potential energy converting and energy of variable wind energy, water becomes high-revolving generating mechanical kinetic energy, electric vehicle and submarine drive field to need again the high speed machine power conversion of drive motor to become rotating speed very low and mechanical output that moment is very large.By the designing technique of existing routine, the pole slow-speed of revolution and high-torque can make motor volume huge, increase the materials consumption of motor per kilowatt number and make engineering work load huge; For this reason, existing known common method is to realize the slow-speed of revolution, the output of high-torque and the requirement of Constant-power speed range by mechanic gear drive technology, the citation form of mechanical gear drive technology does not change for a long time, is namely all the time to rely on the engagement of two gear teeth of mechanical gear pair to carry out transmission.This just brings some not eliminable problems to gear transmission, as mechanical fatigue, frictional loss, vibrating noise etc., although grease lubrication technology can be adopted, but above problem still cannot be eradicated, cause working service extremely loaded down with trivial details, and the theoretical efficiency of mechanical gear transmission at most also can only reach 85%, and the mechanic gear drive system efficiency of conventional transmission ratio is lower, noise is larger, reliability is very poor, and whole transmission system volume is large.The mechanical gear auxiliary driving of fixed conveyor speed ratio makes to need multistage, stepping speed regulating mechanism complex structure at more wide speed range, cannot adapt to increasing infinite variable speed drive technology requirement.
China is the country that rare earth permanent-magnetic material is the abundantest in the world, and the application greatly developing rare earth material has the meaning of reality to China.Along with the progress of control technique, rare earth permanent-magnetic material is used widely in electric drive field, all kinds of motor products that rare earth permanent-magnetic material is made, and the torque density that its per unit volume material transmits is large, efficiency of energy utilization is high and energy consumption is little, demonstrates the superiority that its rare earth material is huge.In recent years, along with the growth requirement of the new energy such as wind-power electricity generation, electric vehicle application, start both at home and abroad to realize mechanically operated technological break-through on novel magnetic drive technology, within 2004, Britain engineer completes a kind of design work of Novel radial magnetic field magnetic gear from concrete practice that is theoretical and model machine, overcome the shortcoming that permanent magnetic gear wheel driving torque is less in the past, this opens an important research direction and following application in the application of mechanical transmission fields to permanent-magnet material; But the magnetic gear structure that Englishman proposes adopts the relatively little radial magnetic field structure of carry-over moment, the specific power that the magnetic gear of this radial magnetic field structure transmits and torque density are all not as good as the magnetic gear of transverse magnetic field structure.Inventor also proposes Novel transverse respectively first to the magnetic transmission gear pair new structure of magnetic field structure and oblique magnetic field structure and its embody rule structure in multinomial patent application case (201110142746.2,201120177813.X, 201110170001.7,201120210494.8 and 201120327120.4) before.Set forth above have a common feature about the various new structure scheme of magnetic gear, namely be all adopt the magnetic field modulation principle permanent-magnetic field to the different numbers of poles of driving wheel and follower to modulate, concrete method is structurally exactly between driving wheel and follower, added a magnetic conduction grid iron core with directed fixed number do leading pole, thus on purpose isolates the drive wheel of two different numbers of poles.
Above several magnetic gear designed based on magnetic field modulation technology from theoretical principle to organization plan on there are two fatal greatly deficiencies: first, see theoretically, magnetic conduction grid pole (tooth) number unshakable in one's determination of magnetizing field modulating action must meet constraint conditio, thus cause magnetic gear to be all only in the working state of mutual magnetic Field Coupling less than the permanent magnet of half in any time of running transmission, have permanent magnet pole over half to be in idle non-coupled state, namely the utilization ratio of rare-earth permanent magnet is in theory just lower than 50%; Second, from structure, adding magnetic conduction grid iron core must make magnetic gear pair be provided with two air gaps, a large amount of magnetomotive force of rare-earth permanent magnet must be consumed, demagnetization characteristic according to Rare-Earth Magnetic material: if do not thicken magnetic pole thickness, must cause the permanent magnet flux being in coupling operational state to reduce, thus affect the torque transmitted.The amount of the expensive rare earth material that this two large defect causes the magnetic gear based on magnetic field modulation technology to consume is relatively large.So, the cost of magnetic gear drive technology be reduced, just must break through the theory constraint of magnetic field modulation technology from principle, and jump out the structural constraint of two air gap from structural design.
In the recent period, inventor it is also proposed a kind of few range magnetic transmission eccentric disc shaped gear pair (201110277432.3 and 201120350893.4) of novel transverse magnetic field, this magnetic gear pair is that the permanent-magnetic field of the two kinds of different numbers of poles utilized in two transmission wheel sets interacts, intercouple the object reaching carry-over moment and gear, in fact this is a kind of concept being similar to the synchronous driving speed change in synchronous machine magnetic field, up to now, all also nobody proposed to utilize the induction type principle of AC induction motor to improve working principle and the embody rule structure of few range magnetic transmission eccentric gear pair both at home and abroad, and the invention of such technology and structure exactly has important practical significance for the consumption reducing expensive rare earth permanent-magnetic material.
Summary of the invention
For existing machinery formula gear transmission technology Problems existing and at present known, based on two large critical defects of the magnetic transmission gear pair of magnetic field modulation technology, the object of this technological invention is to provide a kind of asynchronous induction type of transverse magnetic field few range magnetic transmission eccentric gear pair new structure.Basic conception of the present invention is, use for reference the principle of novel planet-gear transmission and the Theory of Electromagnetic Field of known inductive ac asynchronous motor of mechanical gear transmission field, the revolution inputing to the planet wheel of eccentric structure is realized the reverse asynchronous rotation of planet wheel by the magnetic field induction coupling principle of magnetic field of permanent magnet and planet wheel conductor disc, through hole-pin export structure, planet wheel rotation is exported, thus achieve mechanical contact, the transmission of frictionless power speed changing.
The theory and structure feature of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of this transverse magnetic field is described, in figure: item 1 is large disk permanent magnet, and item 2 is planet wheel conductor disc below in conjunction with Fig. 2, item 3 is eccentric input shaft, and item 4 is large disk lid, and item 5 is planet wheel iron core dish, item 6 is casing, item 7 is pin sleeve, and item 8 is rolling disc, and item 9 is clutch shaft bearing, item 10 is output shaft, item 11 is rear end cover, and item 12 is the second bearing, and item 13 is the 3rd bearing; Symbol logo in figure: N represents that polarity is the permanent magnet of N, and S represents that polarity is the permanent magnet of S, and a represents the throw of eccentric of planet wheel iron core dish 5 and large disk lid 4, D
1represent the external diameter of large disk permanent magnet 1, D
2represent the external diameter of planet wheel iron core dish 5, n
1, T
1represent input speed and the input torque of eccentric input shaft 3, n
2, T
2represent output speed and the output torque of output shaft 10,2p
1represent the distribution number of poles of large disk permanent magnet 1, Z
2represent the groove number of planet wheel iron core dish 5 and the conductor number of planet wheel conductor disc 2, d
orepresent the external diameter of pin sleeve 7, d
hrepresent the internal diameter of the pin shaft hole on rolling disc 8, i
2represent the electric current responded in the conductor of planet wheel conductor disc 2.
As can be seen from Figure 2, the working principle of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field and mechanical K-H-V type small teeth number difference planet gear similar: eccentric input shaft 3 drives planet wheel conductor disc 2 with rotating speed n by planet wheel iron core dish 5
1around spin axis revolution, the Z in the planet wheel conductor disc 2 of eccentric revolution
2the permanent-magnetic field of individual conductor and large disk permanent magnet 1 produces and mutually moves and go out current i at conductor internal induction
2, flow through current i
2conductor again the effect being subject to planar air-gap magnetic field is produced the moment reverse with direction of revolving round the sun, this moment order about planet wheel coiling own axes with rotating speed n
2reverse rotation, then the low speed rotation of planet wheel disc exports by passing hole pin export structure.As can be seen from Figure 2: first, breach the constraint of magnetic field modulation technology theoretically, eliminate magnetic conduction grid unshakable in one's determination, magnetic field on two wheel discs is in few extreme difference feature, by few extreme difference coupling, the magnetic Field Coupling area that the magnetic gear based on magnetic field modulation technology is less than 50% is brought up to more than 80%, can 90% have been reached in theory; The second, adopt the transverse magnetic field list gap structure of plane, reduce by an air gap than the magnetic gear of magnetic field modulation technology, thus greatly can reduce the thickness of permanent magnet under the condition reaching common flux; 3rd, the principle proposed than patent application case (201110277432.3 and 201120350893.4) and structure are further, the air-gap field coupling area of few extreme difference transmission is improve more than at least 10%, and rare-earth permanent magnet consumption reduce half.
The structure characteristic of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field is:
One, the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is distributed with 2p by it
1the large disk of disc of individual large disk permanent magnet 1, there is Z
2the disc planet wheel disc of the planet wheel conductor disc 2 of individual conductor and eccentric input shaft 3, second bearing 12, the 3rd bearing 13 form a pair asynchronous induction type magnetic transmission gear pair, and the permanent-magnetic field on large disk forms the transverse magnetic field of magnetic transmission gear pair through the planar air-gap two dishes; The distribution number of poles 2p of large disk permanent magnet 1
1with the conductor number Z of planet wheel conductor disc 2
2between to there is fixing number of poles poor, number of poles 2p
1with conductor number Z
2for positive integer pair, and meet following relation constraint:
2p
1> Z
2, and 1≤2p
1-Z
2≤ 4;
Two, the large disk of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field and planet wheel disc are decentered distribution structure, and by being set with the second bearing 12, two disks of few extreme difference connect into eccentric structure by the eccentric input shaft 3 of the 3rd bearing 13; Wherein, planet wheel iron core dish 5 and the throw of eccentric a of large disk lid 4, large disk permanent magnet 1 outer diameter D
1, planet wheel iron core dish 5 outer diameter D
2, and number of poles 2p
1with conductor number Z
2meet the constraint of following structural relation formula:
Three, large disk lid 4, rear end cover 11 are assembled into overall structure with casing 6 is fastening by bolt by the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field, and its way of output is that casing 6 is fixed and output shaft 10 rotary output force square T
2with rotating speed n
2, the sense of rotation of its input and output is opposite each other, and drive connection meets following relation constraint:
Wherein, the revolutional slip s span of the asynchronous rotation of planet wheel is s=-0.1 ~+0.1;
Four, be connected with pin sleeve 7, rolling disc 8, output shaft 10 around the planet wheel iron core dish 5 rear end passing hole pin export structure that eccentric input shaft 3 and central axis revolve round the sun, be the hole-pin physical dimension that the rotation of the planet wheel iron core dish 5 of a is transformed into output shaft 10 rotating center and rotates by throw of eccentric, i.e. the outside diameter d of pin sleeve 7
o, pin shaft hole on rolling disc 8 internal diameter d
h, the constraint of following structural relation must be met:
d
H＝d
o+2a。
Adopt the techno-economic effect that technique scheme reaches:
Compared with conventional machinery formula gear driving pair, the few range magnetic transmission eccentric gear pair of asynchronous induction type of the transverse magnetic field that the present invention relates to has following significantly advantage:
1. energy loss is little, and transmission efficiency is high: owing to eliminating the contact friction of conventional machinery formula gear driving pair, power transmission loss only comprises some core loss, and the highest transmission efficiency can reach 96% in theory, generally improves 10% than mechanical gear transmission;
2. the torque density of per unit volume transmission is high, 10 times for common electric machine: research shows, rare earth permanent magnet brushless motor is under natural cooling, forced air cooling, water-cooled condition, and its torque density transmitted can reach 10kN.m/m respectively
3, 20kN.m/m
3, 30kN.m/m
3, the torque density that transverse magnetic flux rare-earth permanent-magnet electric machine transmits can reach 40 ~ 80kN.m/m
3, and this Novel inclined can higher than 100kN.m/m to the torque density that the rare-earth magnetic driving gear of air-gap field transmits
3;
3. reliability is high, and the life-span is long: due to mechanical contact, therefore mechanical abrasion, without the need to lubrication, clean, without greasy dirt, dustproof and waterproof etc.;
The vibrating noise produced because teeth portion engagement contacts when 4. there is not mechanical gear transmission, the design that also there is not mechanical gear usually needs displacement to revise in design processing is processed loaded down with trivial details;
5. there is overload protective function, cutting off drive connection when transshipping at any time because of driving and driven wheel spike, load or prime mover can not be damaged, and structure is simple;
6. rotating speed velocity ratio is constant, and the dynamic momentary stabilization degree of rotating speed is high, operates steadily;
In addition, compared with the magnetic gear based on magnetic field modulation technology, also there is unrivaled advantage:
7. velocity ratio can design larger, the velocity ratio of one-level magnetic gear pair just can reach more than 100, the few range magnetic gear pair series connection of two-stage can reach more than 1000, does not have the mechanical strength of the magnetic field modulation magnetic conduction grid iron core of the magnetic gear pair of magnetic field modulation technology to restrict;
8. structure more simply, compacter, volume is little, lightweight, can reach more than 35% than the secondary weight reduction of the magnetic gear of magnetic field modulation technology
9. save the separate unit consumption of rare earth permanent-magnetic material, raising specific torque density and specific power reach more than one times, dramatically saves on the cost of unitary device.
10. the principle proposed than patent application case (201110277432.3 and 201120350893.4) and structure further, make the air-gap field coupling area of few extreme difference transmission improve more than at least 10%, and rare-earth permanent magnet consumption reduces half.
Accompanying drawing explanation
Fig. 1 is the full sectional drawing of stereochemical structure of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field.
Fig. 2 is the working principle flat topology figure of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field.
Fig. 3 is the large disk three-dimensional structure diagram of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field.
Fig. 4 is the planet wheel disc stereochemical structure compound section figure of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field.
In above figure: 1. large disk permanent magnet, 2. planet wheel conductor disc, 3. eccentric input shaft, 4. large disk lid, 5. planet wheel iron core dish, 6. casing, 7. pin sleeve, 8. rolling disc, 9. clutch shaft bearing, 10. output shaft, 11. rear end covers, 12. second bearings, 13. the 3rd bearings;
Symbol logo in figure: N represents that polarity is the permanent magnet of N, and S represents that polarity is the permanent magnet of S, and a represents the throw of eccentric of planet wheel iron core dish 5 and large disk lid 4, D
1represent the external diameter of large disk permanent magnet 1, D
2represent the external diameter of planet wheel iron core dish 5, n
1, T
1represent input speed and the input torque of eccentric input shaft 3, n
2, T
2represent output speed and the output torque of output shaft 10,2p
1represent the distribution number of poles of large disk permanent magnet 1, Z
2represent the groove number of planet wheel iron core dish 5 and the conductor number of planet wheel conductor disc 2, d
orepresent the external diameter of pin sleeve 7, d
hrepresent the internal diameter of the pin shaft hole on rolling disc 8, i
2represent the electric current responded in the conductor of planet wheel conductor disc 2.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the present invention is described further: Fig. 1 is the full sectional drawing of stereochemical structure of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field, Fig. 2 is the working principle flat topology figure of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field, Fig. 3 is the large disk three-dimensional structure diagram of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field, and Fig. 4 is the planet wheel disc stereochemical structure compound section figure of the few range magnetic transmission eccentric gear pair of asynchronous induction type of transverse magnetic field.
One, the working principle of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is as can be seen from Figure 2: eccentric input shaft 3 drives planet wheel conductor disc 2 with rotating speed n by planet wheel iron core dish 5
1around spin axis revolution, the Z in the planet wheel conductor disc 2 of eccentric revolution
2the permanent-magnetic field of individual conductor and large disk permanent magnet 1 produces and mutually moves and go out current i at conductor internal induction
2, flow through current i
2conductor again the effect being subject to planar air-gap magnetic field is produced the moment reverse with direction of revolving round the sun, this moment order about planet wheel coiling own axes with rotating speed n
2reverse rotation, then the low speed rotation of planet wheel disc exports by passing hole pin export structure.
Can find out that the inner structural features of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is as follows from Fig. 1, Fig. 3 and Fig. 4:
Two, the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is distributed with 2p by it
1the large disk of disc of individual large disk permanent magnet 1, there is Z
2the disc planet wheel disc of the planet wheel conductor disc 2 of individual conductor and eccentric input shaft 3, second bearing 12, the 3rd bearing 13 form a pair asynchronous induction type magnetic transmission gear pair, and the permanent-magnetic field on large disk forms the transverse magnetic field of magnetic transmission gear pair through the planar air-gap two dishes; The distribution number of poles 2p of large disk permanent magnet 1
1with the conductor number Z of planet wheel conductor disc 2
2between to there is fixing number of poles poor, number of poles 2p
1with conductor number Z
2for positive integer pair, and meet following relation constraint:
2p
1> Z
2, and 1≤2p
1-Z
2≤ 4.
Three, the large disk of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field and planet wheel disc are decentered distribution structure, and by being set with the second bearing 12, two disks of few extreme difference connect into eccentric structure by the eccentric input shaft 3 of the 3rd bearing 13; Wherein, planet wheel iron core dish 5 and the throw of eccentric a of large disk lid 4, large disk permanent magnet 1 outer diameter D
1, planet wheel iron core dish 5 outer diameter D
2, and number of poles 2p
1with conductor number Z
2meet the constraint of following structural relation formula:
Four, large disk lid 4, rear end cover 11 are assembled into overall structure with casing 6 is fastening by bolt by the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field, and its way of output is that casing 6 is fixed and output shaft 10 rotary output force square T
2with rotating speed n
2, the sense of rotation of its input and output is opposite each other, and drive connection meets following relation constraint:
Wherein, the revolutional slip s span of the asynchronous rotation of planet wheel is s=-0.1 ~+0.1.
Five, be connected with pin sleeve 7, rolling disc 8, output shaft 10 around the planet wheel iron core dish 5 rear end passing hole pin export structure that eccentric input shaft 3 and central axis revolve round the sun, be the hole-pin physical dimension that the rotation of the planet wheel iron core dish 5 of a is transformed into output shaft 10 rotating center and rotates by throw of eccentric, i.e. the outside diameter d of pin sleeve 7
o, pin shaft hole on rolling disc 8 internal diameter d
h, the constraint of following structural relation must be met:
d
H＝d
o+2a。
Six, the structure characteristic of the planet wheel disc of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is: eccentric and disc planet wheel disc around the revolution of rotating center axis is driving wheel, and it is by having Z
2the planet wheel conductor disc 2 of individual conductor, there is Z
2the planet wheel iron core dish 5 of individual conductor slot forms; Radiation colyliform made by planet wheel conductor disc 2 conductive material copper/or aluminum plate material, wherein Z
2individual conductor is uniformly distributed along the circumference and in radial direction radially, inside and outside circle and end ring connect into an overall structure, the Z of planet wheel conductor disc 2
2individual radial conductor is securely placed in the Z of planet wheel iron core dish 5
2in individual conductor slot; Planet wheel iron core dish 5 is processed into through machine cut by the steel plate of magnetic conduction, and it offers Z radially in radial direction
2individual conductor slot, Z
2individual conductor slot distributes at even circumferential, at the back side of planet wheel iron core dish 5, the pin sleeve 7 required for the hole-pin structure its rotation being transformed into the rotation of output shaft 10 rotating center is housed.
Seven, the feature of the large disk of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is: order about bias and be the large disk of disc around the follower that the disc planet disk of rotating center axis revolution produces rotation simultaneously, and it is by 2p
1individual large disk permanent magnet 1, large disk lid 4 form; Fan-shaped planar magnet form made by large disk permanent magnet 1 permanent-magnet material, and to install every the mode of arranged distribution by N pole S interpolar be anchored on large disk lid 4 circular planes on, large disk lid 4 is processed into through machine cut by the steel plate of magnetic conduction, large disk lid 4 double as simultaneously for end cap and casing 6 fastening be assembled into one.
Above-described is only the preferred implementation of this technological invention; for a person skilled in the art; under the prerequisite not departing from this technological invention principle; some malformation and improvement (Multi-stage speed-changing drive system can be formed as the magnetic gear that the present invention relates to pair carried out the series connection of multipole d-axis) can also be made; these also should be considered as the protection domain of this technological invention, and these all can not affect effect and the practicability of this technological invention enforcement.
Claims (3)
1. the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field, is characterized in that:
One, the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field is distributed with 2p by it
1the large disk of disc of individual large disk permanent magnet (1), there is Z
2the disc planet wheel disc of the planet wheel conductor disc (2) of individual conductor and eccentric input shaft (3), the second bearing (12), the 3rd bearing (13) form a pair asynchronous induction type magnetic transmission gear pair, and the permanent-magnetic field on large disk forms the transverse magnetic field of magnetic transmission gear pair through the planar air-gap two dishes; The distribution number of poles 2p of large disk permanent magnet (1)
1with the conductor number Z of planet wheel conductor disc (2)
2between to there is fixing number of poles poor, number of poles 2p
1with conductor number Z
2for positive integer pair, and meet following relation constraint:
2p
1> Z
2, and 1≤2p
1-Z
2≤ 4;
Two, the large disk of the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field and planet wheel disc are decentered distribution structure, and by being set with the second bearing (12), two disks of few extreme difference connect into eccentric structure by the eccentric input shaft (3) of the 3rd bearing (13); Wherein, planet wheel iron core dish (5) and the throw of eccentric a of large disk lid (4), large disk permanent magnet (1) outer diameter D
1, planet wheel iron core dish (5) outer diameter D
2, and number of poles 2p
1with conductor number Z
2meet the constraint of following structural relation formula:
Three, large disk lid (4), rear end cover (11) are assembled into overall structure with casing (6) is fastening by bolt by the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field, and its way of output is that casing (6) is fixed and output shaft (10) rotary output force square T
2with rotating speed n
2, the sense of rotation of its input and output is opposite each other, and drive connection meets following relation constraint:
Wherein, the revolutional slip s span of the asynchronous rotation of planet wheel is s=-0.1 ~+0.1;
Four, be connected with pin sleeve (7), rolling disc (8), output shaft (10) around planet wheel iron core dish (5) the rear end passing hole pin export structure that eccentric input shaft (3) and central axis revolve round the sun, be the hole-pin physical dimension that the rotation of the planet wheel iron core dish (5) of a is transformed into output shaft (10) rotating center and rotates by throw of eccentric, i.e. the outside diameter d of pin sleeve (7)
o, pin shaft hole on rolling disc (8) internal diameter d
h, the constraint of following structural relation must be met:
d
H＝d
o+2a。
2. the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field according to claim 1, is characterized in that: eccentric and disc planet wheel disc around the revolution of rotating center axis is driving wheel, and it is by having Z
2the planet wheel conductor disc (2) of individual conductor, there is Z
2planet wheel iron core dish (5) composition of individual conductor slot; Radiation colyliform made by planet wheel conductor disc (2) conductive material copper/or aluminum plate material, wherein Z
2individual conductor is uniformly distributed along the circumference and in radial direction radially, inside and outside circle and end ring connect into an overall structure, the Z of planet wheel conductor disc (2)
2individual radial conductor is securely placed in the Z of planet wheel iron core dish (5)
2in individual conductor slot; Planet wheel iron core dish (5) is processed into through machine cut by the steel plate of magnetic conduction, and it offers Z radially in radial direction
2individual conductor slot, Z
2individual conductor slot distributes at even circumferential, at the back side of planet wheel iron core dish (5), the pin sleeve (7) required for the hole-pin structure its rotation being transformed into the rotation of output shaft (10) rotating center is housed.
3. the few range magnetic transmission eccentric gear pair of the asynchronous induction type of transverse magnetic field according to claim 1, it is characterized in that: order about bias and be the large disk of disc around the follower that the disc planet disk of rotating center axis revolution produces rotation simultaneously, it is by 2p
1individual large disk permanent magnet (1), large disk lid (4) composition; Large disk permanent magnet (1) makes fan-shaped planar magnet form with permanent-magnet material, and to install every the mode of arranged distribution by N pole S interpolar be anchored on large disk lid (4) circular planes on, large disk lid (4) is processed into through machine cut by the steel plate of magnetic conduction, large disk lid (4) double as simultaneously for end cap and casing (6) fastening be assembled into one.
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|---|---|---|---|
| CN201110280089.8A CN103016676B (en) | 2011-09-20 | 2011-09-20 | Asynchronous inducting type less-polarity-difference magnetic driving eccentric gear pair in transverse magnetic field |
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|---|---|---|---|
| CN201110280089.8A CN103016676B (en) | 2011-09-20 | 2011-09-20 | Asynchronous inducting type less-polarity-difference magnetic driving eccentric gear pair in transverse magnetic field |
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| CN108988609B (en) * | 2018-09-27 | 2023-06-27 | 深圳超磁机器人科技有限公司 | Magnetic energy speed reducer with balance wheel radial structure |
| CN113216997B (en) * | 2021-05-26 | 2024-06-07 | 上海隧道工程有限公司 | Method for controlling rotation position of motor-driven eccentric cutterhead |
| CN113394950B (en) * | 2021-06-29 | 2022-06-10 | 奇瑞汽车股份有限公司 | Driving wheel |
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| CN202284635U (en) * | 2011-09-20 | 2012-06-27 | 余虹锦 | Asynchronous induction type less-range magnetic transmission eccentric gear pair of transverse magnetic field |
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| DE10226249A1 (en) * | 2002-06-13 | 2004-01-08 | Küster Automotive Door Systems GmbH | Electromotive drive with a stator and a rotor in combination with an eccentric gear |
| JP4850772B2 (en) * | 2007-04-05 | 2012-01-11 | 株式会社椿本チエイン | Disc-shaped magnetic gear |
| JP2009250358A (en) * | 2008-04-07 | 2009-10-29 | Sumitomo Heavy Ind Ltd | Magnetic gear reduction gear |
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2011
- 2011-09-20 CN CN201110280089.8A patent/CN103016676B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431414A (en) * | 2002-01-10 | 2003-07-23 | 钱辉 | Induction star wheels transport mechanism |
| CN202284635U (en) * | 2011-09-20 | 2012-06-27 | 余虹锦 | Asynchronous induction type less-range magnetic transmission eccentric gear pair of transverse magnetic field |
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