CN202475065U - Motor rotor structure and motor with same - Google Patents
Motor rotor structure and motor with same Download PDFInfo
- Publication number
- CN202475065U CN202475065U CN2012201194689U CN201220119468U CN202475065U CN 202475065 U CN202475065 U CN 202475065U CN 2012201194689 U CN2012201194689 U CN 2012201194689U CN 201220119468 U CN201220119468 U CN 201220119468U CN 202475065 U CN202475065 U CN 202475065U
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- China
- Prior art keywords
- magnetic shoe
- rotor core
- motor
- rotor
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000010276 construction Methods 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 10
- 239000004917 carbon fiber Substances 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 5
- 230000003137 locomotive effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides an electric motor rotor structure and have motor of this structure. The utility model discloses an electric motor rotor structure, include: a rotor core; a magnetic shoe covering the outer circumferential surface of the rotor core; wherein, be provided with the unsmooth cooperation structure that is used for injecing the position of magnetic shoe on rotor core between rotor core and the magnetic shoe. The utility model has the main advantages that, have unsmooth cooperation structure's magnetic shoe and rotor core through the design cross-section, increased with rotor core's bonding area and improved the production efficiency that pastes of magnetic shoe, above-mentioned design makes the magnetic shoe structure satisfy permanent-magnet machine under the long-term high-speed rotatory condition, has higher stability, and bearing capacity is strong.
Description
Technical field
The utility model relates to machine field, particularly a kind of motor rotor construction and the motor with this structure.
Background technology
High-speed electric expreess locomotive has wide application prospect at the aspects such as centrifugal compressor of air-conditioning or refrigerator, and still, when the motor high-speed cruising, the centrifugal force of rotor is very big.The permanent magnetic material that sintering forms is difficult to bear the tension stress that high speed rotating produces, and therefore must take safeguard measure to permanent magnet.
Weak point below permanent magnetic material guard method of the prior art exists in practical application: the bonding production efficiency of (1) permanent magnet is low.Because the mutual repulsion between the permanent magnets, a large amount of permanent magnets are very time-consuming by the rule marshalling, and adding permanent magnet special bonding glue has certain curing time, and when therefore being bonded to a lot of piece motor magnet in the rotor core, its production efficiency is very low.(2) technology that composite material stratiform things such as carbon fiber is wrapped in magnetic shoe surface is had relatively high expectations to processing technology, if processing technology can not meeting up to standard cause composite layer inside to have bubble, causes rotor surface uneven or influence the magnetic shoe strength of fixation.
The utility model content
The motor that the utility model provides a kind of motor rotor construction and has this structure, it is low to solve magneto rotor production efficiency of the prior art, and magnetic shoe body intensity is low, and magnetic shoe is difficult for fixing, the problem that the magnetic shoe constant intensity is not enough.
The utility model is realized through following technical scheme: a kind of motor rotor construction comprises: rotor core; Magnetic shoe covers on the outer peripheral face of rotor core; Wherein, be provided with the concavo-convex fit structure that is used to limit the position of magnetic shoe on rotor core between rotor core and the magnetic shoe.
Further, concavo-convex fit structure comprises the groove that is positioned on the rotor core outer surface, and is positioned at the protuberance on the magnetic shoe inner surface.
Further, concavo-convex fit structure comprises the protuberance that is positioned on the rotor core outer surface, and is positioned at the groove on the magnetic shoe inner surface.
Further, comprise also that the composite material sleeve is around the outer surface setting of magnetic shoe.
Further, the composite material sleeve is the carbon fiber sleeve.
Further, between rotor core and the magnetic shoe, glued joint respectively between composite material sleeve and the magnetic shoe.
Further, end ring is arranged on the rotor core two ends, clamping composite material sleeve.
Further, magnetic shoe is a strip, and protuberance is the raised line that extends along the magnetic shoe total length.
Further, protuberance is the rectangle raised line.
According to the utility model on the other hand, a kind of motor is provided, motor comprises above-mentioned each motor rotor construction.
Pass through technique scheme; The major advantage of the utility model is; Through the design section magnetic shoe and the rotor core of concavo-convex fit structure are arranged, increased with the bond area of rotor core and improved the stickup production efficiency of magnetic shoe, above-mentioned design makes the magnetic shoe structure under the situation that satisfies the long-term high speed rotating of magneto; Have advantages of higher stability, the bearing load ability is strong.
Description of drawings
The accompanying drawing that constitutes the part of the utility model is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the decomposing schematic representation of the high-speed electric expreess locomotive of the motor rotor construction that adopts the utility model;
Fig. 2 shows the constitutional diagram of the high-speed electric expreess locomotive of the motor rotor construction that adopts the utility model;
Fig. 3 shows the cross-sectional view of high-speed electric expreess locomotive of the motor rotor construction of first embodiment that adopts the utility model;
Fig. 4 shows the magnetic shoe sketch map in the motor rotor construction of first embodiment of the utility model; And
Fig. 5 shows the cross-sectional view of high-speed electric expreess locomotive of the motor rotor construction of second embodiment that adopts the utility model.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model is mainly realized the fixing of high speed rotor of motor magnetic shoe through the magnetic shoe design of convex shape; Enhance productivity; And, realize the high speed long-term operation of magneto, and enhance productivity through next the fixing of high speed rotor of motor magnetic shoe of further strengthening of carbon fibre composite sleeve pipe.
To shown in Figure 2, the center of the high-speed electric expreess locomotive of the utility model is an electric machine main shaft 10 like Fig. 1, and electric machine main shaft 10 runs through whole motor.Surround rotor core 50 in electric machine main shaft 10 peripheries, a lot of piece magnetic shoes 30 that boning on the outer surface of rotor core 50 vertically are provided with many respectively at a distance from magnetic stripes 40 between the magnetic shoe 30, on the outer surface of magnetic shoe 30 around carbon fiber sleeve pipe 60.And, the front surface of preceding end ring 20 enclosed rotor iron cores 50, the back surface of back end ring 70 enclosed rotor iron cores 50, carbon fiber sleeve pipe 60 is pressed on the magnetic shoe 30 by preceding end ring 20 and back end ring 70 clampings, round nut 80 will back end ring 70 fixing and lockings on electric machine main shaft 10.
The main utility model of the utility model is characterised in that:
1. like Fig. 3, shown in Figure 4; It is the magnetic shoe 30 of convex shape that first embodiment of the utility model adopts cross section; But magnetic shoe 30 protrusion embeds the protuberance of rotor cores 50 and does not limit shape, can be also can be other shapes, for example taper or convexity like illustrated rectangle.In the rotor core that cooperates with magnetic shoe 30 50 surperficial recessings, so just increased the bond area of magnetic shoe 30 greatly with rotor core 50, can further guarantee the constant intensity of magnetic shoe 30.
2. the cross section of magnetic shoe 30 is a convex shape; Strengthened the module of anti-bending section of magnetic shoe 30 itself; Make magnetic shoe 30 be not easy fracture; With regard to length assurance is provided like this for lengthening magnetic shoe 30, can be with the length lengthening of magnetic shoe 30, the cross section of magnetic shoe 30 is compared original design for convex shape design has simultaneously also increased sectional area.So just can reduce the quantity of magnetic shoe 30, greatly save the set-up time of magnetic shoe 30.
3. recessing on rotor core 50; The side of groove can stop magnetic shoe 30 to move along rotor core 50 surperficial circumference because of repulsive force; When mounted; With the end face insertion groove of magnetic shoe 30 from rotor core 50, then along axially magnetic shoe 30 being installed to the fixed position, the air that can drain 50 of magnetic shoe 30 and rotor cores so also can further improve the installation effectiveness of magnetic shoe 30.
4. the mode that adopts carbon fibre material pipe 60 to surround the periphery that is fixed in said magnetic shoe 30 substitutes the mode of original wound composite stratiform thing; Can guarantee the planarization on rotor surface and manufacture craft is simple, intensity is high, avoid prior art to use coagulating agent and the fail safe of magneto long-term operation is impacted simultaneously again.
5. referring to shown in Figure 5; It is the magnetic shoe 30 of concave shape that second embodiment of the utility model adopts cross section; Accordingly projection is set on rotor core 50 surfaces that cooperate with magnetic shoe 30; The groove of magnetic shoe cooperates with the projection of rotor core 50, can increase the bond area of magnetic shoe 30 with rotor core 50 equally, can further guarantee the constant intensity of magnetic shoe 30.
The high speed rotor of motor magnetic shoe of the utility model can be with following method manufacturing:
1, end ring 20 before electric machine main shaft 10 1 ends are packed into is through end ring 20 before the location of the step on the electric machine main shaft 10;
2, rotor core 50 hot chargings after punching is folded are to electric machine main shaft 10, and rotor core 50 1 ends contact the location with preceding end ring 20;
3, gluing on rotor core 50 is installed magnetic shoe 30 through the groove on the rotor core 50, and the magnetic shoe 30 that has protuberance embeds in the groove;
4, at the magnetic shoe 30 skins carbon fiber sleeve pipe 60 of packing into, through preceding end ring 20 location of packing in the first step, it is fixing that carbon fiber sleeve pipe 60 and magnetic shoe 30 adopt glue to paste;
5, end ring 70 and round nut 80 after the other end of electric machine main shaft 10 is packed into.Through round nut 80 locking back end ring 70, and, avoid moving axially of sleeve pipe 60 through two ends end ring fixed carbon fiber sleeve 60;
6, carbon fiber sleeve pipe 60 is carried out baked and cured.
Motor magnetic tile structure according to the utility model has following beneficial effect:
The magnetic shoe structure that designs a kind of concavo-convex cooperation has increased with the bond area of rotor core and has improved the stickup production efficiency of magnetic shoe; Substitute the carbon fiber winding layer with carbon fibre reinforced pipe.Through above-mentioned design it is satisfied under the situation of the long-term high speed rotating of magneto, have advantages of higher stability, the bearing load ability is strong, and its installation step is simple, saved the assembling consuming time.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a motor rotor construction is characterized in that, comprising:
Rotor core (50);
Magnetic shoe (30) covers on the outer peripheral face of said rotor core (50);
Wherein, be provided with the concavo-convex fit structure that is used to limit the position of said magnetic shoe on said rotor core between said rotor core (50) and the said magnetic shoe (30).
2. motor rotor construction according to claim 1 is characterized in that: said concavo-convex fit structure comprises the groove that is positioned on said rotor core (50) outer surface, and is positioned at the protuberance on said magnetic shoe (30) inner surface.
3. motor rotor construction according to claim 1 is characterized in that: said concavo-convex fit structure comprises the protuberance that is positioned on said rotor core (50) outer surface, and is positioned at the groove on said magnetic shoe (30) inner surface.
4. according to claim 1,2 or 3 described motor rotor constructions, it is characterized in that, also comprise that composite material sleeve (60) is around the outer surface setting of said magnetic shoe (30).
5. motor rotor construction according to claim 4 is characterized in that, said composite material sleeve (60) is the carbon fiber sleeve.
6. motor rotor construction according to claim 4 is characterized in that, between said rotor core (50) and the said magnetic shoe (30), glueds joint respectively between said composite material sleeve (60) and the said magnetic shoe (30).
7. motor rotor construction according to claim 4 is characterized in that, also comprises, end ring (20,70) is arranged on said rotor core two ends, the said composite material sleeve of clamping (60).
8. according to claim 2 or 3 described motor rotor constructions, it is characterized in that said magnetic shoe (30) is a strip, said protuberance is the raised line that extends along said magnetic shoe (30) total length.
9. motor rotor construction according to claim 8 is characterized in that, said protuberance is the rectangle raised line.
10. a motor is characterized in that, said motor comprises according to any described motor rotor construction in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201194689U CN202475065U (en) | 2012-03-26 | 2012-03-26 | Motor rotor structure and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201194689U CN202475065U (en) | 2012-03-26 | 2012-03-26 | Motor rotor structure and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475065U true CN202475065U (en) | 2012-10-03 |
Family
ID=46923188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201194689U Expired - Lifetime CN202475065U (en) | 2012-03-26 | 2012-03-26 | Motor rotor structure and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931784A (en) * | 2012-11-08 | 2013-02-13 | 山东山博电机集团有限公司 | High-power high-speed permanent magnet generator rotor surface-mounting type fixing permanent magnet structure and method |
| CN103368293A (en) * | 2012-03-26 | 2013-10-23 | 珠海格力电器股份有限公司 | Motor rotor structure and motor with same |
| CN106451955A (en) * | 2015-08-10 | 2017-02-22 | 丰田自动车株式会社 | Shrink-fitting method for laminated rotor |
-
2012
- 2012-03-26 CN CN2012201194689U patent/CN202475065U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368293A (en) * | 2012-03-26 | 2013-10-23 | 珠海格力电器股份有限公司 | Motor rotor structure and motor with same |
| CN102931784A (en) * | 2012-11-08 | 2013-02-13 | 山东山博电机集团有限公司 | High-power high-speed permanent magnet generator rotor surface-mounting type fixing permanent magnet structure and method |
| CN106451955A (en) * | 2015-08-10 | 2017-02-22 | 丰田自动车株式会社 | Shrink-fitting method for laminated rotor |
| CN106451955B (en) * | 2015-08-10 | 2019-04-09 | 丰田自动车株式会社 | Shrink-fit method for stacked rotors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |