A kind of Surface Mount-Halbach array formula permanent-magnet surface gear set for quadrature axis transmission
Technical field
The present invention relates to Mechanical & Electrical Transmission field, more particularly to a kind of Surface Mount-Halbach array formulas for quadrature axis transmission
Permanent-magnet surface gear set.
Background technology
The transmission of quadrature axis mostly uses bevel gear knead dough gear at present.The tooth surface shape of bevel gear is complicated, and processing and manufacturing is tired
The bevel gear parameter of difficulty, different brands is also different, and mostly uses pairing manufacture, this processing to bevel gear in the production process
Manufacture, maintenance and repair cause very burden.Face gear is due to the tool dimension for processing needs and the roller gear actually engaged
Identical, the required number of cutters of face gear for processing different sizes and parameter is more, and processing cost is higher;In addition, face gear
Inner radius has Undercutting Phenomenon, has wedge angle phenomenon at outer diameter, therefore the facewidth cannot be designed too long, and transmission intensity is limited.
In recent years, being had a great development by the magnetic gear that magnetive attraction is transmitted into action edge.Magnetic gear can
It realizes contactless transmission, avoids the direct Mechanical Contact of driving shaft and driven between centers, noise and vibration can be reduced, to work
Environmental nonpollution, and have the characteristics that overload protection.
The characteristics of according to bevel gear knead dough gear, someone correspondingly propose the permanent-magnet planar that can realize quadrature axis transmission
Gear and permanent magnetism conical gear.The permanent-magnet planar gear coupled using multi-turn magnetic pole uses a fairly large number of permanent magnet, structure
It is more complicated, assembly trouble;The permanent magnet of permanent magnetism conical gear magnetize mode and assembly it is all relatively difficult.
Invention content
The purpose of the present invention is to solve the permanent-magnet planar gear being driven currently used for quadrature axis and bevel gear structure are multiple
The problem of miscellaneous, manufacture and assembly difficulty provides a kind of Surface Mount-Halbach array formula permanent-magnet surface tooth for quadrature axis transmission
Wheel group.
Realize above-mentioned purpose, the technical solution adopted by the present invention is that:
A kind of Surface Mount-Halbach array formula permanent-magnet surface gear set for quadrature axis transmission, composition include two wheels,
Two wheels are magnetic gear, and two wheels are cylinder wheel and face wheel respectively, and the face wheel is horizontally disposed, described
Cylinder wheel be arranged above face wheel, and cylinder wheel is mutually orthogonal with the axle centre of face wheel, cylinder wheel and face wheel it
Between there are air gaps;When one of wheel is driving wheel, another wheel is driven wheel, and the driving wheel passes through magnetive attraction band
Dynamic driven wheel rotation;The cylinder wheel is Halbach array formula cylinder wheel, and the face wheel is surface-mount type face wheel;
The Halbach array formula cylinder wheel includes cylinder wheel yoke portion and multiple tile shape permanent magnets;The cylinder
It takes turns yoke portion and is equipped with axial center hole one, be provided in the axial direction with and be used for and shafting on the inner wall of the axial center hole one in cylinder wheel yoke portion
The keyway one of one cooperation;
Multiple tile shape permanent magnets include multiple first type tile shape permanent magnets, multiple second type tile shape permanent magnetism
Body, multiple third type tile shape permanent magnets and multiple 4th type tile shape permanent magnets, multiple first type tile shape permanent magnetism
Body, multiple second type tile shape permanent magnets, multiple third type tile shape permanent magnets and multiple 4th type tile shape permanent magnets are logical
It crosses bonding mode to be fixed on the outer circumference surface in cylinder wheel yoke portion, and multiple first type tile shape permanent magnets, multiple second types watt
Piece shape permanent magnet, multiple third type tile shape permanent magnets and multiple 4th type tile shape permanent magnets are successively according to the first type tile shape
Permanent magnet, second type tile shape permanent magnet, third type tile shape permanent magnet and the 4th putting in order for type tile shape permanent magnet are followed
Circle permutation is arranged to form circular permanent magnet, and multiple first type tile shape permanent magnets and multiple third type tile shape permanent magnets are equal
Using cutting orientation magnetizing, and the magnetizing direction phase of the first type tile shape permanent magnet being often disposed adjacent and third type tile shape permanent magnet
Instead, multiple second type tile shape permanent magnets and the 4th type tile shape permanent magnet are all made of radial direction or parallel magnetization, and every
The second type tile shape permanent magnet being disposed adjacent is opposite with the magnetizing direction of the 4th type tile shape permanent magnet;
The surface-mount type face wheel includes face wheel yoke portion, multiple fan-shaped filler body and multiple fan-shaped permanent magnets;Institute
The face wheel yoke portion stated is made of magnetic conductive material, and the magnetic conductive material is pure iron or mild steel, and face wheel yoke portion is set
There is axial center hole two, is provided in the axial direction on the inner wall of the axial center hole two in face wheel yoke portion for coordinating with shafting two
Keyway two;Multiple fan-shaped permanent magnets include multiple first type sector permanent magnets and multiple second type sector permanent magnets, institute
The multiple first type sector permanent magnets and multiple second type sector permanent magnets stated replace and are equidistantly vertically arranged and lead to successively
Cross at the neighboring for the upper surface that bonding mode is fixed on face wheel yoke portion, the first type sector permanent magnet being often disposed adjacent and
Closely there are one fan-shaped filler body, multiple fan-shaped filler body for setting in spacing between second type sector permanent magnet
It is all made of non-permeable material to be made, multiple fan-shaped filler body are fixed on face wheel yoke portion by bonding mode
At the neighboring of upper surface, the magnetizing direction and Surface Mount of multiple first type sector permanent magnets and multiple second type sector permanent magnets
The axial direction of formula face wheel is parallel, and the magnetizing direction for the first type sector permanent magnet and second type sector permanent magnet being often disposed adjacent
On the contrary, each sector filler body and the first type sector permanent magnet or second type sector permanent magnet of setting adjacent thereto constitute one
A pole span, the pole embrace of multiple tile shape permanent magnets between 0.3-0.5, it is multiple sector permanent magnets pole embrace with it is multiple
The pole embrace of tile shape filler body is consistent.
The advantageous effect of the present invention compared with the existing technology is:
1, since cylinder wheel and face wheel do not have direct Mechanical Contact, the gear set without abrasion, noise is small, transmission efficiency
Height has many advantages, such as that reliability is high, non-maintaining, overload protection;
2, due to the spacing between the first type tile shape permanent magnet being often disposed adjacent and second type tile shape permanent magnet
There are one tile shape filler body for interior close setting so that the dosage of permanent magnet is greatly decreased, and cost is reduced;
3, stronger air-gap field can be generated using Halbach array formula installation permanent magnet, therefore to the property of gear set
It can have a distinct increment.
To sum up, the structure of the gear set is simple, compact, convenient for assembly, is suitable for noise, cleanliness factor and reliability requirement
Occasion higher and that two shaftings are mutually isolated.
Description of the drawings
Fig. 1 is that a kind of axis of Surface Mount-Halbach array formula permanent-magnet surface gear set for quadrature axis transmission of the present invention is surveyed
Figure;
Fig. 2 is the parts explosion of cylinder wheel;
Fig. 3 is the front view of cylinder wheel;
Fig. 4 is the A-A sectional views of Fig. 3;
Fig. 5 is that multiple tile shape permanent magnets of surface-mount type cylinder wheel and multiple tile shape filler body are arranged in cylinder wheel yoke
Front view on the outer circumference surface in portion;
Fig. 6 is that multiple tile shape permanent magnets of Halbach array formula cylinder wheel are arranged in the outer circumference surface in cylinder wheel yoke portion
On front view;
Fig. 7 is the parts explosion of face wheel;
Fig. 8 is the vertical view of face wheel;
Fig. 9 is the B-B sectional views of Fig. 8;
Figure 10 is that multiple fan-shaped permanent magnets of Halbach array formula face wheel are arranged in the outer of the upper surface in face wheel yoke portion
The front view of edge;
Figure 11 is that multiple fan-shaped filler body of surface-mount type face wheel and multiple fan-shaped permanent magnets are arranged in face wheel yoke portion
Upper surface outer edge front view;
Figure 12 is the vertical view of Fig. 1;
Figure 13 is the left view of Fig. 1.
In figure:Cylinder wheel 1, face wheel 2, front end ring 3-1, rear end ring 3-2, cylinder wheel yoke portion 4, one 4-1 of axial center hole,
One 4-2 of keyway, tile shape permanent magnet 5, the first type tile shape permanent magnet 5-1, second type tile shape permanent magnet 5-2, third type watt
Piece shape permanent magnet 5-3, the 4th type tile shape permanent magnet 5-4, tile shape filler body 6, protection body 7, top ring 8, sector are forever
Magnet 9, the first type sector permanent magnet 9-1, second type sector permanent magnet 9-2, third type sector permanent magnet 9-3, the 4th type are fan-shaped
Permanent magnet 9-4, outer jointing jacket 10, face wheel yoke portion 11, two 11-1 of axial center hole, two 11-2 of keyway, internal protective cover 12, plane
Take turns yoke portion 13, two 13-1 of axial center hole, two 13-1 of axial center hole, fan-shaped filler body 14.
Specific implementation mode
Specific implementation mode one:As shown in Fig. 1, Figure 12 and Figure 13, a kind of Surface Mount-Halbach for quadrature axis transmission
Array permanent magnetic face gear set, composition include two wheels, and described two wheels are magnetic gear, and two wheels are cylinder respectively
Wheel 1 and face wheel 2, the face wheel 2 is horizontally disposed, and the cylinder wheel 1 is arranged above face wheel 2, and 1 He of cylinder wheel
The axle centre of face wheel 2 is mutually orthogonal, and there are air gaps between cylinder wheel 1 and face wheel 2(Theoretically, air gap is smaller, Neng Gouchuan
The torque passed is bigger, but should be determined in conjunction with the level of torque of actual installation space and required transmission synthesis);When one of wheel is
When driving wheel, another wheel is driven wheel, and the driving wheel drives driven wheel to rotate by magnetive attraction.
Two wheels are mounted on permanent magnet, different according to the mounting means of permanent magnet, are divided into surface-mount type and Halbach array
Two kinds of formula.It is combined according to the mounting means of permanent magnet, the present invention can be there are two types of composite structure form:Surface-mount type cylinder wheel is matched
It closes Halbach array formula plane wheel construction and Halbach array formula cylinder wheel coordinates surface-mount type face wheel structure.
Specific implementation mode two:As shown in Fig. 1 ~ Fig. 5 and Figure 10, one kind described in specific implementation mode one is used for quadrature axis
The Surface Mount of transmission-Halbach array formula permanent-magnet surface gear set, the cylinder wheel 1 are surface-mount type cylinder wheel, the face wheel
2 be Halbach array formula face wheel;
The surface-mount type cylinder wheel includes cylinder wheel yoke portion 4, multiple tile shape permanent magnets 5 and multiple tile shape fillers
Body 6;The cylinder wheel yoke portion 4 uses magnetic conductivity ferromagnetic material(Such as pure iron or mild steel)It is made(For adjacent tiles shape permanent magnetism
Body 5 provides magnetic circuit), the cylinder wheel yoke portion 4 is equipped with one 4-1 of axial center hole, one 4- of axial center hole in cylinder wheel yoke portion 4
One 4-2 of keyway for coordinating with shafting one is provided in the axial direction on 1 inner wall;Multiple tile shape permanent magnets 5 include
Multiple first type tile shape permanent magnet 5-1 and multiple second type tile shape permanent magnet 5-2, multiple first type tile shapes are forever
Magnet 5-1 and multiple second type tile shape permanent magnet 5-2 spaced set and is fixed on alternately and by bonding mode successively
On the outer circumference surface in cylinder wheel yoke portion 4(Form magnet steel), the first type tile shape permanent magnet 5-1 and second type watt that are often disposed adjacent
Closely there are one tile shape filler body 6, multiple tile shape fillers for setting in spacing between piece shape permanent magnet 5-2
Body 6 is all made of non-permeable material(Such as plastics)It is made, multiple tile shape filler body 6 are fixed by bonding mode
On the outer circumference surface in cylinder wheel yoke portion 4, multiple first type tile shape permanent magnet 5-1 and multiple second type tile shape permanent magnet 5-
2 are all made of radial magnetizing or parallel magnetization, and the first type tile shape permanent magnet 5-1 and second type tile shape that are often disposed adjacent are forever
The magnetizing direction of magnet 5-2 is opposite;
The Halbach array formula face wheel includes face wheel yoke portion 11 and multiple fan-shaped permanent magnets 9;The plane
It takes turns yoke portion 11 and is equipped with two 11-1 of axial center hole, opened up in an axial direction on the inner wall of two 11-1 of axial center hole in face wheel yoke portion 11
It is useful for two 11-2 of keyway coordinated with shafting two;Multiple fan-shaped permanent magnets 9 include multiple first type sector permanent magnets
9-1, multiple second type sector permanent magnet 9-2, multiple third type sector permanent magnet 9-3 and multiple 4th type sector permanent magnet 9-4;
Multiple first type sector permanent magnet 9-1, multiple second type sector permanent magnet 9-2, multiple third type sector permanent magnet 9-3
And multiple 4th type sector permanent magnet 9-4 are vertically arranged and upper surface that face wheel yoke portion 11 is fixed on by bonding mode
Outer edge, and multiple first type sector permanent magnet 9-1, multiple second type sector permanent magnet 9-2, multiple third type sector permanent magnetism
Body 9-3 and multiple 4th type sector permanent magnet 9-4 is successively according to the first type sector permanent magnet 9-1, second type sector permanent magnet 9-
2, the cycle arrangement setting that puts in order of third type sector permanent magnet 9-3 and the 4th type sector permanent magnet 9-4(Use
Halbach array form)Cylindric permanent magnet is formed, multiple first type sector permanent magnet 9-1 and multiple third type sectors are forever
Magnet 9-3 is all made of cutting orientation magnetizing and the two magnetizing direction on the contrary, the second type sector permanent magnet 9-2 and the 4th being often disposed adjacent
Type sector permanent magnet 9-4 magnetizing directions are parallel with the axial direction of Halbach array formula face wheel and the two magnetizing direction is opposite(Due to
Permanent magnet uses Halbach array, forms unilateral Distribution of Magnetic Field), face wheel yoke portion 11 uses non-permeable material(Such as plastics)
It is made.
Specific implementation mode three:As shown in Fig. 1 ~ Fig. 5, Fig. 7 and Figure 10, one kind described in specific implementation mode two is for just
Quadrature axis transmission Surface Mount-Halbach array formula permanent-magnet surface gear set, the surface-mount type cylinder wheel further include front end ring 3-1, after
End ring 3-2 and protection body 7;The front end ring 3-1 and rear end ring 3-2 are fixed at multiple tiles by bonding mode
On former and later two end faces of shape permanent magnet 5 and multiple tile shape filler body 6, the protection body 7 is sleeved on multiple watts admittedly
The outside of piece shape permanent magnet 5 and multiple tile shape filler body 6, front end ring 3-1, rear end ring 3-2 and protection body 7 are all made of non-
Magnetic conductive material(Such as stainless steel or glass tape)It is made(Enable tile shape permanent magnet 5 avoid structural failure, oxidation, to watt
Piece shape permanent magnet 5 forms effective protection);
The Halbach array formula face wheel further includes top ring 8, outer jointing jacket 10 and internal protective cover 12;Described
Outer jointing jacket 10 and internal protective cover 12 are separately positioned on the outside and inside of multiple fan-shaped permanent magnets 9, and the top ring 8 passes through
Bonding mode is fixed on the upper surface of multiple fan-shaped permanent magnets 9, and top ring 8, outer jointing jacket 10 and internal protective cover 12 are all made of non-
Magnetic conductive material(Such as stainless steel or glass tape)It is made(Fan-shaped permanent magnet 9 is set to avoid structural failure, oxidation, to sector
Permanent magnet 9 forms effective protection).
The effect of top ring 8, internal protective cover 12 and outer jointing jacket 10 is all the main part to Halbach array formula face wheel
Point(Including face wheel yoke portion 11 and multiple fan-shaped permanent magnets 9)It is protected.The main part of Halbach array formula face wheel simultaneously
The protection structure divided also is not limited to this structure, can be varied.
Specific implementation mode four:As shown in Fig. 5 and Figure 10, one kind described in specific implementation mode two or three is used for quadrature axis
The Surface Mount of transmission-Halbach array formula permanent-magnet surface gear set, 5 number of pole-pairs of tile shape permanent magnet of the surface-mount type cylinder wheelWith 9 number of pole-pairs of fan-shaped permanent magnet of Halbach array formula face wheel, following relational expression should be met:
In formula,WithThe respectively rotating speed of surface-mount type cylinder wheel and Halbach array formula face wheel,For transmission ratio.
The advantageous effect of present embodiment is:It can make gear set in the process of running, torque and transmission ratio are kept constant, real
The smooth transfer of existing torque.
Specific implementation mode five:As shown in Figures 2 and 6, one kind described in specific implementation mode two is driven for quadrature axis
Surface Mount-Halbach array formula permanent-magnet surface gear set, multiple tile shape permanent magnets 5 and multiple tile shape filler body 6
It is equal with the thickness of multiple fan-shaped permanent magnets 9, the axial direction of multiple tile shape permanent magnets 5 and multiple tile shape filler body 6 is long
It spends and is equal with the radical length of multiple fan-shaped permanent magnets 9.
Specific implementation mode six:As shown in Fig. 1 ~ 4, Fig. 6 ~ Fig. 9 and Figure 11, one kind described in specific implementation mode one is used for
Surface Mount-Halbach array formula permanent-magnet surface gear set of quadrature axis transmission, the cylinder wheel 1 are Halbach array formula cylinder
Wheel, the face wheel are surface-mount type face wheel;
The Halbach array formula cylinder wheel includes cylinder wheel yoke portion 4 and multiple tile shape permanent magnets 5;The circle
Column wheel yoke portion 4 is equipped with one 4-1 of axial center hole, is provided in the axial direction on the inner wall of one 4-1 of axial center hole in cylinder wheel yoke portion 4
One 4-2 of keyway for coordinating with shafting one;
Multiple tile shape permanent magnets 5 include multiple first type tile shape permanent magnet 5-1, multiple second type tile shapes
Permanent magnet 5-2, multiple third type tile shape permanent magnet 5-3 and multiple 4th type tile shape permanent magnet 5-4, described multiple first
Type tile shape permanent magnet 5-1, multiple second type tile shape permanent magnet 5-2, multiple third type tile shape permanent magnet 5-3 and multiple
Four type tile shape permanent magnet 5-4 are fixed on the outer circumference surface in cylinder wheel yoke portion 4 by bonding mode, and multiple first types watt
Piece shape permanent magnet 5-1, multiple second type tile shape permanent magnet 5-2, multiple third type tile shape permanent magnet 5-3 and multiple 4th types
Tile shape permanent magnet 5-4 is successively according to the first type tile shape permanent magnet 5-1, second type tile shape permanent magnet 5-2, third type tile
The cycle arrangement setting that puts in order of shape permanent magnet 5-3 and the 4th type tile shape permanent magnet 5-4(Use Halbach array shape
Formula)Circular permanent magnet is formed, multiple first type tile shape permanent magnet 5-1 and multiple third type tile shape permanent magnet 5-3 are equal
Using cutting orientation magnetizing, and the first type tile shape permanent magnet 5-1 and third type tile shape permanent magnet 5-3 for being often disposed adjacent magnetizes
Direction on the contrary, multiple second type tile shape permanent magnet 5-2 and the 4th type tile shape permanent magnet 5-4 be all made of it is radial or flat
The magnetizing direction phase for the second type tile shape permanent magnet 5-2 and the 4th type tile shape permanent magnet 5-4 that row magnetizes, and is often disposed adjacent
Instead(Since permanent magnet uses Halbach array, unilateral Distribution of Magnetic Field is formed);
The surface-mount type face wheel includes face wheel yoke portion 13, multiple fan-shaped filler body 14 and multiple fan-shaped permanent magnets
9;The face wheel yoke portion 13 uses magnetic conductive material(Such as pure iron or mild steel)It is made(It is provided for adjacent fan-shaped permanent magnet 9
Magnetic circuit), face wheel yoke portion 13 is equipped with two 13-1 of axial center hole, on the inner wall of two 13-1 of axial center hole in face wheel yoke portion 13
It is provided in the axial direction with two 13-2 of keyway for coordinating with shafting two;Multiple fan-shaped permanent magnets 9 include multiple first types
Fan-shaped permanent magnet 9-1 and multiple second type sector permanent magnet 9-2, multiple first type sector permanent magnet 9-1 and multiple
Two type sector permanent magnet 9-2 replace and are equidistantly vertically arranged and are fixed on face wheel yoke portion 13 by bonding mode successively
At the neighboring of upper surface, between the first type sector permanent magnet 9-1 being often disposed adjacent and second type sector permanent magnet 9-2
Closely there are one fan-shaped filler body 14, multiple fan-shaped filler body 14 to be all made of non-permeable material for setting in spacing
(Such as plastics)It is made, multiple fan-shaped filler body 14 are fixed on the upper table in face wheel yoke portion 13 by bonding mode
At the neighboring in face, the magnetizing direction and table of multiple first type sector permanent magnet 9-1 and multiple second type sector permanent magnet 9-2
The axial direction of mounted face wheel is parallel, and the first type sector permanent magnet 9-1 for being often disposed adjacent and second type sector permanent magnet 9-2
Magnetizing direction is on the contrary, each sector filler body 14 and the first type sector permanent magnet 9-1 or second type of setting adjacent thereto fan
Shape permanent magnet 9-2 constitutes a pole span, and the pole embrace of multiple tile shape permanent magnets 5 is between 0.3-0.5, multiple sector permanent magnetism
The pole embrace of body 9 and the pole embrace of multiple tile shape filler body 6 are consistent.
Specific implementation mode seven:As shown in Fig. 2, Fig. 4, Fig. 7 and Fig. 9, one kind described in specific implementation mode six is for just
Surface Mount-Halbach array formula permanent-magnet surface gear set of quadrature axis transmission, the Halbach array formula cylinder wheel further includes front end
Ring 3-1, rear end ring 3-2 and protection body 7;The front end ring 3-1 and rear end ring 3-2 are fixed at by bonding mode
On former and later two end faces of multiple tile shape permanent magnets 5, the protection body 7 is sleeved on multiple tile shape permanent magnets 5 admittedly
Outside, front end ring 3-1, rear end ring 3-2 and protection body 7 are all made of non-permeable material(Such as stainless steel or glass tape)It is made
(So that tile shape permanent magnet 5 is avoided structural failure, oxidation, effective protection is formed to tile shape permanent magnet 5);
The surface-mount type face wheel further includes top ring 8, outer jointing jacket 10 and internal protective cover 12;The outer jointing jacket
10 and internal protective cover 12 be separately positioned on the outside and inside of multiple fan-shaped filler body 14 and multiple fan-shaped permanent magnets 9, it is described
Top ring 8 upper surfaces of multiple fan-shaped filler body 14 and multiple fan-shaped permanent magnets 9, top ring are fixed on by bonding mode
8, outer jointing jacket 10 and internal protective cover 12 are all made of non-permeable material(Such as stainless steel or glass tape)It is made(Make fan-shaped permanent magnetism
Body 9 can avoid structural failure, oxidation, and effective protection is formed to fan-shaped permanent magnet 9).
Specific implementation mode eight:As shown in Fig. 6 and Figure 11, one kind described in specific implementation mode six or seven is used for quadrature axis
The Surface Mount of transmission-Halbach array formula permanent-magnet surface gear set, the tile shape permanent magnet 5 of the Halbach array formula cylinder wheel
Number of pole-pairsWith 9 number of pole-pairs of fan-shaped permanent magnet of surface-mount type face wheel, following relational expression should be met:
In formula,WithThe respectively rotating speed of Halbach array formula cylinder wheel and surface-mount type face wheel,For transmission ratio.
The advantageous effect of present embodiment is:It can make gear set in the process of running, torque and transmission ratio are kept constant, real
The smooth transfer of existing torque.
Specific implementation mode nine:As shown in Fig. 2 and Fig. 7, one kind described in specific implementation mode six is driven for quadrature axis
Surface Mount-Halbach array formula permanent-magnet surface gear set, multiple tile shape permanent magnets 5 and multiple fan-shaped permanent magnets 9 and
The thickness of multiple sector filler body 14 is equal, the axial length of multiple tile shape permanent magnets 5 and multiple fan-shaped permanent magnets 9 and
The radical length of multiple sector filler body 14 is equal.
Specific implementation mode ten:As shown in FIG. 12 and 13, one kind described in specific implementation mode one is passed for quadrature axis
Dynamic Surface Mount-Halbach array formula permanent-magnet surface gear set, former and later two end faces of the cylinder wheel 1 are inside and outside with face wheel 2
Two circular arc line alignment(It is tangent)Setting.
The advantageous effect of present embodiment is:Ensure that coupling regime is big as possible, the torque of bigger can be transmitted.
Operation principle:Two wheels of such structure directly generate air-gap flux by permanent magnet, surface-mount type structure directly by
Tile shape permanent magnet 5 generates air-gap flux, and the fan-shaped permanent magnet 9 of Halbach array formula structure is by the tangential magnetic of adjacent pole
It is logical to concentrate on a fan-shaped permanent magnet subsequently into air gap.So when work, upper lower whorl directly generates two of air-gap flux forever
Magnet is opposite, generates magnetive attraction.
Due to the magnetive attraction generated between two-wheeled, the rotation of driving wheel can drive driven wheel to rotate.It is negative when having on driven wheel
When load, in coupling regime, for surface-mount type cylinder wheel coordinate Halbach array formula plane wheel construction, tile shape permanent magnet 5 with
9 center of multiple sector permanent magnets is not face, and can be staggered certain angle, and load is bigger, and the angle being staggered is also bigger.When
When the 90 ° of electrical angles that are staggered, the torque that can be transmitted reaches maximum, and when load is more than torque capacity at this time, two-wheeled will generate
" opposite sliding ", gear set cisco unity malfunction, namely overload protection has occurred.
And Halbach array formula plane wheel construction is coordinated for surface-mount type cylinder wheel, fan-shaped permanent magnet 9 and tile shape are forever
The center of magnet 5 is not face, and can be staggered certain angle, and load is bigger, and the angle being staggered is also bigger.When being staggered 90 °
When electrical angle, the torque that can be transmitted reaches maximum, and when load is more than torque capacity at this time, two-wheeled will generate " relatively sliding
It is dynamic ", gear set cisco unity malfunction, namely overload protection has occurred.