CN107492962A - A kind of magnetic steel fixed structure of disc type electric machine - Google Patents
A kind of magnetic steel fixed structure of disc type electric machine Download PDFInfo
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- CN107492962A CN107492962A CN201710776332.2A CN201710776332A CN107492962A CN 107492962 A CN107492962 A CN 107492962A CN 201710776332 A CN201710776332 A CN 201710776332A CN 107492962 A CN107492962 A CN 107492962A
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- magnet steel
- groove
- interior
- tenon
- fixture
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Abstract
The present invention relates to a kind of magnetic steel fixed structure of disc type electric machine, solves the connected mode that magnet steel both sides in the prior art use slip feather, cause the increase of magnet steel difficulty of processing, complex process, the defects of cost is higher, including the middle rotor disk for carrying shaft hole, the magnet steel mounting groove for the multiple sector structures being engaged with magnet steel is along the circumferential direction distributed with rotor disk, the radial direction both ends of magnet steel are fixed on by fixture in magnet steel mounting groove and at least one is surface exposed, exposed surface and the rotor panel surface flush of magnet steel.After the longitudinal end of magnet steel is fixed, exposed surface and the flush of rotor disk two of magnet steel, the gas length of motor is not influenceed；And fixture is coordinated with the longitudinal end of magnet steel, can so simplify the structure of magnet steel, while the fit-up gap of magnet steel is adjusted further through fixture, reduce difficulty of processing, simplify technique, while reduce eddy-current loss, improve motor working efficiency.
Description
Technical field
The invention belongs to technical field of motors, especially a kind of magnetic steel fixed structure of disc type electric machine.
Background technology
The magnet steel of disc-type permanent magnet motor is typically all to be arranged on rotor, and disc-type permanent magnet motor rotor magnet steel fixes one
All it has been a problem since straight.Which greatly limits the development of disc-type permanent magnet motor.The magnet steel of disc-type permanent magnet motor is consolidated
Determine structure, influence whether production and processing progress, the magnetic flux rate of rotor surface of whole rotor, and then influence the performance of whole motor
And the promotion and application of disc type flux electric machine.
Chinese patent CN101919140B discloses a kind of rotor for motor, and providing holes on rotor, permanent magnet is slided
Enter into hole, configured using slip feather, magnet is limited on axial and circumferential, and twined with radially outward edge of the reinforcing strip around rotor
Around to provide magnet steel radial constraint, but the structure needs to output tongue-and-groove in magnet steel radial direction side, adds the difficulty of magnet steel processing
Degree, further need exist for entering the radially outward edge of magnet steel row constraint, complex process, cost height with reinforcing strip.
Chinese patent CN203504325U discloses a kind of permanent magnetism of bimorph transducer Circumferential field brushless direct current motor rotor
Body fixed structure, one or more stators, and the method positioned by stator to magnet steel are surrounded in the periphery of magnet steel,
But this kind of fixed structure causes stator raised on the surface of magnet steel, can significantly affect the gas length of motor, if
Stator is too thin, then the mechanical strength that permanent magnet is fixed is again inadequate, easily loosens and departs from.
Chinese patent CN204578231U discloses a kind of permanent magnet machine rotor, and magnet is fixed in a manner of cone match to be turned
In sub-disk, although without processing tongue-and-groove, without stator, the mounting groove of taper has higher processing request, while right
Magnet it is also proposed higher processing request, ensure the difficulty increase of assembly precision, processing and assembling when assembling.
The content of the invention
The present invention solves the connected mode that magnet steel both sides in the prior art use slip feather, causes magnet steel difficulty of processing to increase
Add, complex process, the defects of cost is higher, there is provided a kind of magnetic steel fixed structure of disc type electric machine, by fixture by magnet steel
It is fixed on rotor disk, simplifies the structure of magnet steel, while the fit-up gap of magnet steel is adjusted further through fixture, it is difficult reduces assembling
Degree, simplify technique, while eddy-current loss can be reduced, improve motor working efficiency.
This invention also solves magnet steel is fixed using stator in the prior art, stator projection is caused in magnet steel table
Face, the defects of having influence on motor gas-gap length, there is provided a kind of magnetic steel fixed structure of disc type electric machine, ensure magnet steel and rotor table
Face is concordant, does not interfere with motor gas-gap length.
The present invention solves in the prior art the requirements at the higher level that magnet steel is fixed on rotor disk in a manner of cone match, brings
Processing and the defects of assembly difficulty, there is provided a kind of magnetic steel fixed structure of disc type electric machine, magnet steel is fixed by fixture
In on rotor disk, simplify the structure of magnet steel, while the fit-up gap of magnet steel adjusted further through fixture, reduce assembly difficulty,
Simplify technique, while eddy-current loss can be reduced, improve motor working efficiency.
The present invention concrete technical scheme be：A kind of magnetic steel fixed structure of disc type electric machine, including centre carry shaft hole
Rotor disk, the magnet steel groove of multiple sector structures for mounting magnetic steel, the radial direction of magnet steel is along the circumferential direction distributed with rotor disk
Both ends are fixed on by fixture in magnet steel groove and at least one is surface exposed, exposed surface and the rotor disk upper magnetic steel of magnet steel
Surface flush where groove notch.After the longitudinal end of magnet steel is fixed, exposed surface and the flush of rotor disk two of magnet steel, not shadow
Ring the gas length of motor；And fixture is coordinated with the longitudinal end of magnet steel, can so simplify the structure of magnet steel, while again
The fit-up gap of magnet steel is adjusted by fixture, reduces difficulty of processing, simplifies technique, while reduces eddy-current loss, improves electricity
Machine operating efficiency.
Preferably, two sides of magnet steel groove are straight flange, magnet steel is in sector, and two sides of magnet steel are straight flange, and magnet steel is fixed
In in magnet steel groove, straight flange is bonded to each other.The side of magnet steel two is straight flange, and the side of magnet steel groove two is straight flange, and processing is more convenient, and energy
Ensure precision.
Preferably, integral moulding by casting is used between fixture and the longitudinal end of magnet steel two；Or fixture be divided into it is interior solid
Determine part and outer fixture, inner fixing member fixes the inner-diameter end of magnet steel, and outer fixture fixes the external diameter end of magnet steel, inner fixing member, outer
Connected between fixture and magnet steel inner-diameter end and external diameter end by the way of Tenon.Fan-shaped magnet steel, inner-diameter end and external diameter end add
Section chief's degree is small, and convenient processing, magnet steel processing, magnet steel radial direction both ends are integrally formed inner fixing member and outer fixation by way of cast
Part, cast can use be molded by the way of or cast aluminium mode；Or the side of Tenon is used between magnet steel both ends and fixture
Formula connects, and magnetic steel structure is simple, easy to connect.
Preferably, the radial direction both ends of magnet steel are respectively arranged with interior tenon and outer tenon, on inner fixing member and outer fixture
Interior tongue-and-groove and outer tongue-and-groove are respectively arranged with, interior tenon is engaged with interior tongue-and-groove, and outer tenon is engaged with outer tongue-and-groove；Or magnet steel
Radial direction both ends are respectively arranged with interior tongue-and-groove and outer tongue-and-groove, and interior tenon and outer tenon are respectively arranged with inner fixing member and outer fixture
Head, interior tenon are engaged with interior tongue-and-groove, and outer tenon is engaged with outer tongue-and-groove.
Preferably, the radial direction both ends of magnet steel are respectively arranged with interior tenon and outer tenon, inner fixing member and outer fixture with
Tongue-and-groove and outer tongue-and-groove, interior tenon are engaged with interior tongue-and-groove in formation after rotor disk is fixed, and outer tenon is engaged with outer tongue-and-groove.
Preferably, the inner-diameter end of magnet steel groove is provided with interior connection side, the external diameter end of magnet steel groove is provided with outer connection side, two
Fixture is individually fixed in interior connect in upper and outer connection.
Preferably, magnet steel groove inner-diameter end is arc, magnet steel groove external diameter end is arc, and the spoke at interval is formed between magnet steel groove
Bar, spoke are in wide structure or the structure that broadens in interior small outer width.
Preferably, magnet steel groove is communicating structure, i.e., magnet steel groove penetrates rotor disk both side surface, and magnet steel is by two fixtures
After fixation, the both side surface of magnet steel and the both side surface flush of rotor disk.
Preferably, there is magnet steel groove bottom land to form one side enclosed construction, and after magnet steel is fixed by two fixtures, the one of magnet steel
Side surface fits with bottom surface, another side surface and the plane flush where rotor disk magnet steel channel opening of magnet steel.
Preferably, the position that rotor disk corresponds to magnet steel groove external diameter end is provided with outer limited step.
The beneficial effects of the invention are as follows：After the longitudinal end of magnet steel is fixed, exposed surface and the surface of rotor disk two of magnet steel are put down
Together, the gas length of motor is not influenceed；And fixture is coordinated with the longitudinal end of magnet steel, can so simplify the knot of magnet steel
Structure, while the fit-up gap of magnet steel is adjusted further through fixture, difficulty of processing is reduced, simplifies technique, while reduces vortex damage
Consumption, improve motor working efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is a kind of sectional view of the present invention；
Fig. 3 is a kind of assembling schematic diagram of the present invention；
Fig. 4 is a kind of rotor disc structure schematic diagram of the present invention；
Fig. 5 is second of structural representation of the invention；
Fig. 6 is the sectional view of structure shown in Fig. 5 of the present invention；
Fig. 7 is the assembling schematic diagram of structure shown in Fig. 5 of the present invention；
Fig. 8 is the rotor disc structure schematic diagram of structure shown in Fig. 5 of the present invention；
Fig. 9 is structural representation in the present invention the 3rd；
Figure 10 is the 4th kind of structural representation of the invention；
Figure 11 is the 5th kind of structural representation of the invention；
Figure 12 is the 6th kind of structural representation of the invention；
In figure：1st, rotor disk, 2, magnet steel, 3, outer fixture, 4, screw, 5, inner fixing member, 6, magnet steel groove, 7, outer connection side, 8,
Interior connection side, 9, outer tenon, 10, fit on groove, 11, outer tongue-and-groove, 12, interior tenon, 13, interior tongue-and-groove, 14, arc end, 15, spoke
Bar, 16, handle hole, 17, outer spoke side, 18, outer limited step.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the invention will be further described.
Embodiment 1：A kind of magnetic steel fixed structure of disc type electric machine（Referring to Fig. 1 Fig. 2 Fig. 3 Fig. 4）, including circular rotor disk
1, the centre of rotor disk is provided with the shaft hole for installing fixed rotating shaft, and the radially outer of shaft hole is round plate, rotor disk
Round plate on be evenly equipped with some magnet steel grooves 6, magnet steel groove insertion rotor disk two sides, magnet steel groove be in symmetrical fan shape, sector
Line of symmetry pass through the center of circle of rotor disk, the both sides of magnet steel groove be straight flange, and the extending line intersection point of straight flange is on round plate, all
The extending line intersection point of magnet steel groove straight flange is on round plate using shaft hole axle center as on the circle in the center of circle.Fan-shaped magnet steel on round plate
It is spoke 15 between groove, the thickness of spoke is equal with the thickness of round plate, and the width of spoke is wide.The inner-diameter end position of magnet steel groove
Install and be equipped with interior connection side 8, the external diameter end position of magnet steel groove is provided with outer connection side 7, interior connection while thickness with outer connection while
The equal thickness for being respectively less than round plate of thickness, interior connection while and opposed discs portion is eccentric shape during outer connection, the present embodiment
In, it is interior connection while and it is outer connection while thickness be the 1/2 of round plate thickness, it is interior connection while and it is outer connection while and round plate one
Individual side flush, interior connection while and on another side in round plate form the interior link slot of depression and outer company during outer connection
Access slot.Towards the circular arc that the side of magnet steel groove is evagination, interior link slot is that direction turns towards one end of shaft hole on interior connection side
The circular arc of axis hole protrusion, circular arc of the outer connection side towards the side of magnet steel groove for indent.It is interior connection while and it is outer connection while
Middle part is provided with screwed hole.
Magnet steel 2 is placed with magnet steel groove, the thickness of magnet steel is equal with the thickness of magnet steel groove, after magnet steel is put into, the two of magnet steel
It is individual surface exposed, and two surface flushes of two exposed surfaces and round plate, magnet steel are in fan shape, the both sides of magnet steel are straight
Side, the inner-diameter end of magnet steel are mutually fixed by inner fixing member 5 and interior connection side, and the external diameter end of magnet steel passes through outer fixture 3 and outer company
Edge fit is mutually fixed, and after magnet steel is fixed, the straight flange and the straight flange of magnet steel groove both sides of magnet steel both sides fit.
The inner-diameter end of magnet steel is provided with the rectangular interior tenon 12 in cross section, and it is square that the external diameter end of magnet steel, which is provided with cross section,
It is the 1/2 of magnet thickness that the thickness of the outer tenon 9 of shape, interior tenon and outer tenon is equal, and interior tenon and outer tenon are in magnetic
On the median plane of steel.The end face of interior tenon is the circular arc of indent, and the end face of outer tenon is the circular arc of evagination.Inner fixing member and
The radial section of outer fixture is in " h " shape, all with two thickness, and is 1：2 relation, maximum thickness and round plate
Thickness it is equal, be shoulder between the small position of thickness and the big position of thickness, shoulder is circular arc, and the small position of thickness is formed
Interior mating groove.The small end of the thickness of inner fixing member is the arc end 14 of evagination, arc end and the evagination of interior link slot
Circular arc is matched, and interior mating groove is engaged with interior connection side, and the small position of thickness overlaps with interior connection side, the small portion of thickness
Circular hole is provided with position.The big end of inner fixing member thickness is the interior tongue-and-groove 13 of indent, and the position shape of interior tongue-and-groove is and magnet steel
Interior tenon match, the bottom of interior tongue-and-groove is concave arc shape, and the interior tenon of magnet steel is inserted into interior tongue-and-groove, inner fixing member and interior company
Edge fit is engaged, and the shoulder of inner fixing member and the side of the circular arc of the evagination on interior connection side fit, and circular hole is same with screwed hole
Axle, screw 4 is screwed in from circular hole side, screw, which is screwed into screwed hole, fixes inner fixing member and interior connection side, now the two of magnet steel
Individual side and two side flushes of round plate.The small position of outer fixture thickness forms fit on groove 10, the big end of thickness
Portion is the outer tongue-and-groove 11 of indent, and the position shape of outer tongue-and-groove matches with the outer tenon of magnet steel, and the bottom of outer tongue-and-groove is concave arc
Shape, the outer tenon of magnet steel are inserted into outer tongue-and-groove, and outer fixture is engaged with outer connection side, and fit on groove matches with outer connection side
Close, the small position of thickness overlaps with outer connection side, and thickness is provided with circular hole on small position.The outer tenon of magnet steel is inserted into outer
In tongue-and-groove, outer fixture is engaged with outer connection side, the shoulder of outer fixture and the side of the circular arc of the indent on outer connection side
Fit, circular hole is coaxial with screwed hole, and screw 4 is screwed in from circular hole side, screw be screwed into screwed hole fixed outer fixture and
Outer connection side, now two side flushes of the two of magnet steel side and round plate, the outer face of outer fixture and rotor disk
Outer peripheral face flush.
Magnet steel both sides are straight flange, and magnet steel groove both sides are straight flange, and processing is simple, reduce processing technology difficulty, especially can be with
The requirement in straight flange precision is reduced, after alinco assembled enters in magnet steel groove, straight flange contacts with each other, due to being fan-shaped, therefore bronze drum footpath
Upward control, can reduce the contact gap of straight flange, after alinco assembled, the present embodiment is fairly simple meet magnet steel two sides with
The requirement of round plate two sides flush.The width of spoke on rotor disk is equal, and the processing of magnet steel groove is simpler.
Embodiment 2：A kind of magnetic steel fixed structure of disc type electric machine（Referring to Fig. 5 Fig. 6 Fig. 7 Fig. 8）, including circular rotor disk
1, the centre of rotor disk is provided with the shaft hole for installing fixed rotating shaft, and the radially outer of shaft hole is round plate, rotor disk
Round plate on be evenly equipped with some magnet steel grooves 6, magnet steel groove penetrates the both side surface of rotor disk, and magnet steel groove is in symmetrical fan shape,
Fan-shaped line of symmetry passes through the center of circle of rotor disk, and the both sides of magnet steel groove are straight flange, and the intersection point of the extended line of straight flange is in rotor disk
Shaft core position.It is spoke 15 between fan-shaped magnet steel groove on round plate, the width of spoke is change structure, and round plate diameter is big
Position spoke width be more than the small position of diameter spoke width, the thickness of spoke is equal with the thickness of round plate.
Magnet steel groove is enclosed construction, and the external diameter end of magnet steel groove is outer spoke side 17, and outer spoke side is in circular arc bending, and outer spoke side is uniform thickness knot
Structure, the width on outer spoke side is equal in the thickness of round plate, and the centre position on outer spoke side is provided with the circular hole of radial direction.Round plate is corresponding
The position of magnet steel groove inner-diameter end is provided with handle hole 16, and handle hole penetrates two sides of round plate, handle hole and magnet steel groove it
Between formed in spoke side, interior spoke side is in circular shape, interior spoke while thickness be less than outer spoke while thickness, the interposition on interior spoke side installs
It is equipped with the circular hole of radial direction, in the present embodiment, the circular hole on outer spoke side is one, and the circular hole on interior spoke side is one, same magnet steel
Circular hole is on the same Radius of round plate corresponding to groove inner-diameter end and external diameter end, interior spoke while and during outer spoke equivalent to embodiment 1
In interior connection while and during outer connection.
Magnet steel 2 is placed with magnet steel groove, the thickness of magnet steel is equal with the thickness of magnet steel groove, after magnet steel is put into, the two of magnet steel
Individual surface exposed, two surface flushes of two exposed surfaces and round plate, magnet steel is in fan shape, and the both sides of magnet steel are straight flange,
The inner-diameter end of magnet steel is mutually fixed by inner fixing member 5 and interior spoke side, and the external diameter end of magnet steel is mutually solid with outer spoke side by outer fixture 3
Fixed, after magnet steel is fixed, the straight flange and the straight flange of magnet steel groove both sides of magnet steel both sides fit.The inner-diameter end of magnet steel is provided with cross section
Rectangular interior tenon 12, the external diameter end of magnet steel are provided with the thickness of the outer tenon 9 that cross section is rectangle, interior tenon and outer tenon
Equal is the 1/2 of magnet thickness, and interior tenon and outer tenon are on the median plane of magnet steel.The end face of interior tenon is indent
Circular arc, the end face of outer tenon are the circular arc of evagination.
Interior tongue-and-groove 13 is provided with inner fixing member, inner fixing member is in integrally flute profile, face evagination where the notch of interior tongue-and-groove, outside
Outer tongue-and-groove 11 is provided with fixture, outer fixture is in integrally flute profile, face indent where the notch of outer tongue-and-groove.In inner fixing member
Between position be provided with screwed hole, screwed hole is vertical and penetrates the bottom land of interior tongue-and-groove, and the middle part of outer fixture is provided with screw thread
Hole, screwed hole is vertical and penetrates the bottom land of outer tongue-and-groove.The interior tongue-and-groove of inner fixing member is adapted with the shape of the interior tenon of magnet steel, outside
Outer tongue-and-groove on fixture is adapted with the shape of the outer tenon of magnet steel.The length direction shape of inner fixing member and magnet steel groove internal diameter
The shape at end is adapted, and the length direction shape of outer fixture is adapted with the shape at magnet steel groove external diameter end.Magnet steel both ends connect
Radical length after inner fixing member and outer fixture is equal with the radical length of magnet steel groove.
The interior tenon and outer tenon at magnet steel both ends are put into magnet steel groove after connecting inner fixing member and outer fixture respectively, interior
The circular hole on spoke side and fixed in the screwed hole alignment of fixture with mode connects for screw, the screwed hole of outer fixture is directed at the circle on outer spoke side
Kong Bingyong mode connects for screw is fixed.
Embodiment 3：A kind of magnetic steel fixed structure of disc type electric machine（Referring to Fig. 9）, exist with above-mentioned two embodiments difference
In：There is bottom land to form non-penetrating one side enclosed construction for magnet steel groove 6 on the round plate of rotor disk, magnet steel groove, bottom land it is interior
Footpath position forms interior connection side 8, and the external diameter position of bottom land forms outer connection side 7, interior connection while and thickness and groove during outer connection
The thickness at bottom is equal, and the position on the corresponding interior connection side of rotor disk forms interior limited step, and the longitudinal end of magnet steel two is respectively arranged with interior
Tenon 12 and outer tenon 9, inner fixing member and outer fixture are in bathtub construction, and interior tongue-and-groove, outer fixture are provided with inner fixing member
On be provided with outer tongue-and-groove, interior tenon is inserted into interior tongue-and-groove, and outer tenon is inserted into outer tongue-and-groove.It is interior connection while and it is outer connection while on
Screwed hole is provided with, screwed hole is parallel with rotor disk axis, and circular hole is provided with inner fixing member, is provided with outer fixture
When circular hole, inner fixing member and outer fixture are fixed with rotor disk, inner fixing member abuts against with interior limited step, the circle of inner fixing member
Hole and corresponding screwed hole are coaxial, and are screwed, and the circular hole of outer fixture is coaxial with corresponding screwed hole and is consolidated with screw
It is fixed.Remaining structure is with reference to embodiment 1 or embodiment 2.
Embodiment 4：A kind of magnetic steel fixed structure of disc type electric machine（Referring to Figure 10）, difference from Example 3 is：It is interior
Connect while and it is outer connection while thickness be more than bottom land thickness, it is interior connection side and bottom land between formed in limited step, outer connection
Outer limited step 18 is formed between side and bottom land, inner fixing member and outer fixture are plate-like structure, and the radial direction of inner fixing member is grown
Degree is more than the radical length on interior connection side and interior tongue-and-groove is formed at interior limited step, and the radical length of outer fixture is more than outer company
The radical length of edge fit simultaneously forms outer tongue-and-groove at outer limited step.The inner-diameter end of magnet steel and external diameter end are provided with the interior of evagination
Tenon and outer tenon, interior tenon and outer tenon are bias structure with respect to magnet steel median plane, i.e., interior tenon and outer tenon paste with magnet steel
Close a side surface flush of bottom land, the thickness and interior limited step and the height of outer limited step of the thickness of interior tenon and outer tenon
Degree is consistent.Remaining structure is with reference to embodiment 3.
Embodiment 5：A kind of magnetic steel fixed structure of disc type electric machine（Referring to Figure 11）, difference from Example 1 is：Magnetic
There is steel tank bottom land to form non-penetrating one side enclosed construction, rotor disk correspond to groove-root diameter and external diameter position formed respectively in
Connection while and during outer connection, interior connection while thickness it is equal with thickness during outer connection and be all higher than the thickness of bottom land, and distinguish
Interior limited step and outer limited step are formed at the position of thickness change, the longitudinal end of magnet steel two is respectively arranged with interior tenon and outer tenon
Head, the thickness of magnet steel is equal with the thickness of magnet steel groove, and the longitudinal end of magnet steel two is by inner fixing member and outer fixture is fixed and magnet steel
In groove, an exposed surface, surface flush where exposed surface magnet steel groove notch corresponding with rotor disk are only formed.Interior fixation
The radial section of part is in " h " shape, there is two thickness, and the small position of thickness overlaps with interior connection side and fixed with merga pass screw
Connection, the thickness at the big position of thickness is equal with the thickness of magnet steel groove, and the end set at the position has interior tongue-and-groove, interior tenon
It is inserted into interior tongue-and-groove.The radial section of outer fixture is in " h " shape, there is two thickness, the small position of thickness and outer connection side phase
Lap fit is simultaneously fixedly connected by screw, and the thickness at the big position of thickness is equal with the thickness of magnet steel groove, and at the position
End set has outer tongue-and-groove, and outer tenon is inserted into outer tongue-and-groove.Remaining structure is with reference to embodiment 1.
Embodiment 6：A kind of magnetic steel fixed structure of disc type electric machine（Referring to Figure 12）, difference from Example 5 is：Magnetic
The inner-diameter end of steel is provided with interior tongue-and-groove, and the external diameter end of magnet steel is provided with outer tongue-and-groove, interior tenon, outer fixation are provided with inner fixing member
Outer tenon is provided with part.Remaining structure is with reference to embodiment 5.
Embodiment 7：A kind of magnetic steel fixed structure of disc type electric machine, part unlike the embodiments above be, magnet steel both ends
Fixture and magnet steel be integrated moulding by casting, magnet steel is processed, and magnet steel is put into casting mold, and at magnet steel both ends
The space of position outflow cast, is molded after fixing magnet steel into the space at magnet steel both ends, with being fixed in the direct injection molding of magnet steel
Part and outer fixture.Remaining structure is with reference to other embodiment.
It is described above, only it is several preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to this
Any simple modification, change and the equivalent transformation that inventive technique is substantially made to above example, still fall within skill of the present invention
The protection domain of art scheme.
Claims (10)
1. a kind of magnetic steel fixed structure of disc type electric machine, it is characterised in that including the middle rotor disk for carrying shaft hole, rotor disk
The magnet steel groove of multiple sector structures for mounting magnetic steel is along the circumferential direction distributed with, the radial direction both ends of magnet steel are consolidated by fixture
Due in magnet steel groove and at least one is surface exposed, exposed surface and the rotor disk upper magnetic steel groove notch place surface phase of magnet steel
Concordantly.
A kind of 2. magnetic steel fixed structure of disc type electric machine according to claim 1, it is characterised in that two sides of magnet steel groove
For straight flange, magnet steel is in sector, and two sides of magnet steel are straight flange, and magnet steel is fixed in magnet steel groove, and straight flange is bonded to each other.
3. the magnetic steel fixed structure of a kind of disc type electric machine according to claim 1, it is characterised in that fixture and magnet steel two
Integral moulding by casting is used between longitudinal end；Or fixture is divided into inner fixing member and outer fixture, inner fixing member fixes magnet steel
Inner-diameter end, outer fixture fixes the external diameter end of magnet steel, adopted between inner fixing member, outer fixture and magnet steel inner-diameter end and external diameter end
Connected with the mode of Tenon.
4. a kind of magnetic steel fixed structure of disc type electric machine according to claim 3, its feature is at the radial direction both ends of magnet steel point
Be not provided with interior tenon and outer tenon, be respectively arranged with interior tongue-and-groove and outer tongue-and-groove on inner fixing member and outer fixture, interior tenon with
Interior tongue-and-groove is engaged, and outer tenon is engaged with outer tongue-and-groove；Or the radial direction both ends of magnet steel are respectively arranged with interior tongue-and-groove and outer tongue-and-groove,
Interior tenon and outer tenon are respectively arranged with inner fixing member and outer fixture, interior tenon is engaged with interior tongue-and-groove, outer tenon with it is outer
Tongue-and-groove is engaged.
A kind of 5. magnetic steel fixed structure of disc type electric machine according to claim 3, it is characterised in that the radial direction both ends of magnet steel
Interior tenon and outer tenon, inner fixing member and outer fixture and tongue-and-groove and outer tongue-and-groove in formation after rotor disk fixation are respectively arranged with,
Interior tenon is engaged with interior tongue-and-groove, and outer tenon is engaged with outer tongue-and-groove.
A kind of 6. magnetic steel fixed structure of disc type electric machine according to claim 1, it is characterised in that the inner-diameter end of magnet steel groove
Interior connection side is provided with, the external diameter end of magnet steel groove is provided with outer connection side, and two fixtures are individually fixed on interior connection side and outer
Connect on side.
7. the magnetic steel fixed structure of a kind of disc type electric machine according to claim 1, it is characterised in that magnet steel groove inner-diameter end is
Arc, magnet steel groove external diameter end are arc, the spoke at interval are formed between magnet steel groove, spoke is in wide structure or in interior small outer width
The structure that broadens.
8. a kind of magnetic steel fixed structure of disc type electric machine according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, its feature
It is communicating structure to be magnet steel groove, i.e. magnet steel groove insertion rotor disk both side surface, after magnet steel is fixed by two fixtures, magnet steel
The both side surface flush of both side surface and rotor disk.
9. a kind of magnetic steel fixed structure of disc type electric machine according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, its feature
It is that there is magnet steel groove bottom land to form one side enclosed construction, after magnet steel is fixed by two fixtures, a side surface of magnet steel and bottom land
Surface fits, another side surface and the plane flush where rotor disk magnet steel channel opening of magnet steel.
10. the magnetic steel fixed structure of a kind of disc type electric machine according to claim 9, it is characterised in that rotor disk corresponds to magnet steel
The position at groove external diameter end is provided with outer limited step.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776332.2A CN107492962A (en) | 2017-08-31 | 2017-08-31 | A kind of magnetic steel fixed structure of disc type electric machine |
| AU2017396544A AU2017396544A1 (en) | 2017-08-31 | 2017-10-23 | Steel magnet fixing structure of disk motor |
| PCT/CN2017/107250 WO2019041492A1 (en) | 2017-08-31 | 2017-10-23 | Steel magnet fixation structure of disc motor and fixing technique of steel magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776332.2A CN107492962A (en) | 2017-08-31 | 2017-08-31 | A kind of magnetic steel fixed structure of disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492962A true CN107492962A (en) | 2017-12-19 |
Family
ID=60650941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710776332.2A Pending CN107492962A (en) | 2017-08-31 | 2017-08-31 | A kind of magnetic steel fixed structure of disc type electric machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107492962A (en) |
| AU (1) | AU2017396544A1 (en) |
| WO (1) | WO2019041492A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134465A (en) * | 2018-03-06 | 2018-06-08 | 珠海凯邦电机制造有限公司 | A kind of p-m rotor and magneto |
| CN109038894A (en) * | 2018-08-31 | 2018-12-18 | 核心驱动科技（金华）有限公司 | A kind of disk rotor structure and disc type electric machine |
| CN110900088A (en) * | 2019-12-26 | 2020-03-24 | 上海电气集团上海电机厂有限公司 | Motor base batten welding tool and welding method |
| CN111181337A (en) * | 2020-02-26 | 2020-05-19 | 安徽美芝精密制造有限公司 | Rotor assembly, assembling method thereof, motor and electric vehicle |
| WO2021143163A1 (en) * | 2020-01-13 | 2021-07-22 | 上海盘毂动力科技股份有限公司 | Magnetic steel positioning structure, motor, and installation tooling for magnetic steel positioning structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021002942A1 (en) | 2021-06-09 | 2022-12-15 | Mercedes-Benz Group AG | Process for producing a permanent magnet for an electrical machine, permanent magnet and use of a permanent magnet |
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| CN108134465B (en) * | 2018-03-06 | 2021-05-25 | 珠海凯邦电机制造有限公司 | Permanent magnet rotor and permanent magnet motor |
| CN109038894A (en) * | 2018-08-31 | 2018-12-18 | 核心驱动科技（金华）有限公司 | A kind of disk rotor structure and disc type electric machine |
| CN109038894B (en) * | 2018-08-31 | 2020-07-03 | 浙江盘毂动力科技有限公司 | Disc type rotor structure and disc type motor |
| CN110900088A (en) * | 2019-12-26 | 2020-03-24 | 上海电气集团上海电机厂有限公司 | Motor base batten welding tool and welding method |
| WO2021143163A1 (en) * | 2020-01-13 | 2021-07-22 | 上海盘毂动力科技股份有限公司 | Magnetic steel positioning structure, motor, and installation tooling for magnetic steel positioning structure |
| CN111181337A (en) * | 2020-02-26 | 2020-05-19 | 安徽美芝精密制造有限公司 | Rotor assembly, assembling method thereof, motor and electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019041492A1 (en) | 2019-03-07 |
| AU2017396544A1 (en) | 2019-03-14 |
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Address after: Hangzhou City, Zhejiang Province, 311200 blocks south of Xiaoshan economic and Technological Development Zone Hongda Road No. 191 Applicant after: Hangzhou Zhonghao Electric Technology Co., Ltd Address before: Hangzhou City, Zhejiang Province, 311200 blocks south of Xiaoshan economic and Technological Development Zone Hongda Road No. 191 Applicant before: Hangzhou Zhonghao electric Polytron Technologies Inc |