CN110401279A - A kind of high speed permanent magnet motor rotor and assembly method of axle sleeve one - Google Patents
A kind of high speed permanent magnet motor rotor and assembly method of axle sleeve one Download PDFInfo
- Publication number
- CN110401279A CN110401279A CN201910618909.6A CN201910618909A CN110401279A CN 110401279 A CN110401279 A CN 110401279A CN 201910618909 A CN201910618909 A CN 201910618909A CN 110401279 A CN110401279 A CN 110401279A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- mandrel
- magnet steel
- rotor
- high speed
- Prior art date
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention belongs to technical field of motors, are related to the high speed permanent magnet motor rotor and assembly method of a kind of axle sleeve one.Including axle sleeve (3), magnet steel end cap (4), magnet steel (5), mandrel (6)；The present invention uses the structure of protective case and axle sleeve one, effectively provides the rigidity of rotor, meanwhile, mandrel passes through axle sleeve, by locking nut guarantee axial pre tightening force application, can be assemblied in the magnet steel among axle sleeve and mandrel and obtains the constraint of axial force.Motor due to the presence of axial pre tightening force, can effectively improve the overall stiffness of rotor, to improve the structural stability of rotor under higher revolving speed operating condition.The structure that protective case and one end mandrel are combined into one by the present invention, improves rotor rigidity, simultaneously; other end mandrel plays the role of pull rod, the application of axial pre tightening force is effectively guaranteed by locking nut, without additionally increasing part; structure is simple, there is high reliablity.
Description
Technical field
The invention belongs to technical field of motors；It is related to a kind of high speed permanent magnet motor rotor；More particularly to a kind of axle sleeve one
High speed permanent magnet motor rotor and assembly method.
Background technique
General high speed permanent magnet motor rotor is using structures such as independent straight tube shape protective case fastening magnet steel, and motor is higher
Revolving speed operation under, due to the effect of centrifugal force, there are the possibility that protective case is separated with magnet steel, cause under rotor overall stiffness
Drop, influences the structural stability of rotor.
Summary of the invention
The object of the invention: the present invention uses the structure of protective case and axle sleeve one, effectively provides the rigid of rotor
Property, meanwhile, mandrel passes through axle sleeve, guarantees that axial pre tightening force applies, and can be assemblied in axle sleeve and mandrel by locking nut
Intermediate magnet steel obtains the constraint of axial force.Motor, can due to the presence of axial pre tightening force under higher revolving speed operating condition
The effective overall stiffness for improving rotor, to improve the structural stability of rotor.
A kind of technical solution of the present invention: high speed permanent magnet motor rotor of axle sleeve one, which is characterized in that including axle sleeve 3,
Magnet steel end cap 4, magnet steel 5, mandrel 6；The magnet steel 5, magnet steel end cap 4 are successively assembled on the mandrel 6, at faying face
Binder is applied, an assembly is constituted, the assembly is assembled to as a whole in the axle sleeve 3, the combination
Part and axle sleeve 3 are interference fitted, and apply certain axial pretightening pulling force in the left end of the mandrel 6, are completed with fastener axial
It is fixed.
The axle sleeve 3 includes left end spindle nose 3b and magnet steel protective case 3d, and left end spindle nose 3b has bearing mounting surface 3a, institute
Its inner cylinder face size of magnet steel protective case 3d and 5 external cylindrical surface of magnet steel stated are interference fit.
The left end spindle nose 3b is equipped with air equalizer opening 3c, for the axle sleeve 3, magnet steel end cap 4 and the formation of mandrel 6
Inner cavity communicate with the outside world.
The mandrel 6 includes that rotor mandrel 6d and right end spindle nose 6f, rotor mandrel 6d have internal screw thread 6a, external screw thread
There is annular groove 6e, bearing mounting surface 6g, rotor mandrel 6d and right end spindle nose 6f to share centre bore 6c by 6b, right end spindle nose 6f.
The rotor mandrel 6d and the right end junction spindle nose 6f is equipped with right end spindle nose 6f.
Effect of the invention: compared with the straight-cylindrical protective case used by the general high speed permanent magnet motor rotor, this hair
The bright structure that protective case and one end mandrel are combined into one, improves rotor rigidity, meanwhile, other end mandrel plays drawing
The application of axial pre tightening force is effectively guaranteed by locking nut for the effect of bar, without additionally increasing part, structure letter
It is single, there is high reliablity.
Detailed description of the invention
Cross-sectional view Fig. 1 of the invention,
The cross-sectional view of Fig. 2 axle sleeve 3 of the present invention,
The cross-sectional view of Fig. 3 mandrel 6 of the present invention.
Specific embodiment
Detailed description: a kind of high speed permanent magnet motor rotor is as shown in Fig. 1, by locking nut 1, disk spring 2,
Axle sleeve 3, magnet steel end cap 4, magnet steel 5, mandrel 6 form, and structure is simple.Firstly, assembling the magnet steel 5 in the mandrel 6
On, binder is applied at faying face, then, the magnet steel end cap 4 is assembled on the mandrel 6, the magnet steel end is made
The right side of lid 4 is bonded with the left side of the magnet steel 5, and binder is applied at faying face, forms an assembly.Then,
The axle sleeve 3 heats rear enclosure outside the assembly, and interference is used between the axle sleeve 3 and the assembly
Cooperation.Finally, successively loading onto the disk spring 2 and locking nut 1 in the left end of the mandrel 6, locking screw is being tightened
During mother 1, the disk spring 2 can generate certain decrement, thus apply in the left end of the mandrel 6 certain
Axial pretightening pulling force.Improve the structural stability of rotor.
3 structure of axle sleeve is as shown in Fig. 2, and there is left end spindle nose 3b bearing mounting surface 3a, left end spindle nose 3b to have
Air equalizer opening 3c, effect be in order to guarantee in assembling process to be formed by the axle sleeve 3, magnet steel end cap 4 and mandrel 6 in
Chamber communicates with the outside world, air pressure balance.Described its inner cylinder face size of magnet steel protective case 3d is with 5 external cylindrical surface of magnet steel
Interference fit, prevents the magnet steel 5 from relative motion occurs under the action of high revolving speed centrifugal force.
6 structure of mandrel is as shown in Fig. 3, and rotor mandrel 6d has internal screw thread 6a, external screw thread 6b, in rotor
It when assembly, can be connected by the internal screw thread 6a with the mandrel 6, apply axial pretightening pulling force, and using described
Locking nut 1 is matched with the external screw thread 6b, completes the axial restraint of the rotor mandrel 6d.Rotor mandrel 6d has
Centre bore 6c is mitigating rotor weight, while improving rigidity, is conducive to the heat dissipation of the rotor mandrel 6d, in institute
Cooling medium is passed through in the centre bore 6c stated, and forced heat radiation is carried out to it.Right end spindle nose 6f has annular groove 6e, is conducive to reduce
Stress is concentrated.The right end spindle nose 6f has bearing mounting surface 6g.
Claims (10)
1. a kind of high speed permanent magnet motor rotor of axle sleeve one, which is characterized in that including locking nut (1), disk spring (2),
Axle sleeve (3), magnet steel end cap (4), magnet steel (5), mandrel (6)；The magnet steel (5), magnet steel end cap (4) are successively assemblied in described
Mandrel (6) on, constitute an assembly, the assembly be assembled to as a whole in the axle sleeve (3), described
The left end of mandrel (6) successively load onto the disk spring (2) and locking nut (1).
2. a kind of high speed permanent magnet motor rotor of axle sleeve one as described in claim 1, which is characterized in that the axle sleeve
(3) hollow structure that step is had for one end, is classified as two parts, and one with step section is another section of left end spindle nose (3b)
For magnet steel protective case (3d), left end spindle nose (3b) has bearing mounting surface (3a), described its interior cylinder of magnet steel protective case (3d)
Face and magnet steel (5) external cylindrical surface are interference fit.
3. a kind of high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 2, which is characterized in that the left end shaft
Head (3b) is equipped with air equalizer opening (3c).
4. a kind of high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 2, which is characterized in that the mandrel
(6) hollow structure that step is had for one end, is classified as two parts, and one with step section is right end spindle nose (6f), another
Section is rotor mandrel (6d), and right end spindle nose (6f) bigger diameter end and the magnet steel protective case end (3d) cooperate, rotor mandrel (6d)
Cooperate with left end spindle nose (3b), magnet steel end cap (4), magnet steel (5), rotor mandrel (6d) and right end spindle nose (6f) share centre bore
(6c)。
5. a kind of high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 4, which is characterized in that rotor mandrel (6d)
With internal screw thread (6a), external screw thread (6b), locking nut (1) is on external screw thread (6b).
6. a kind of high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 4, which is characterized in that right end spindle nose (6f)
With annular groove (6e).
7. a kind of high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 4, which is characterized in that right end spindle nose (6f)
With bearing mounting surface (6g).
8. a kind of assembly method of the high speed permanent magnet motor rotor of axle sleeve one as described in claim 1, which is characterized in that will
The magnet steel (5) is assemblied on the mandrel (6), and binder is applied at faying face, the magnet steel end cap (4) is assemblied in
On the mandrel (6), it is bonded the right side of the magnet steel end cap (4) and the left side of the magnet steel (5), faying face
Place applies binder, forms an assembly；The axle sleeve (3) is sleeved on outside the assembly, in the mandrel
(6) disk spring (2) and locking nut (1) are successively loaded onto left end.
9. a kind of assembly method of the high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 8, which is characterized in that institute
Using interference fit between the axle sleeve (3) stated and the assembly.
10. a kind of assembly method of the high speed permanent magnet motor rotor of axle sleeve one as claimed in claim 8, which is characterized in that
Axle sleeve (3) the heating rear enclosure is outside the assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618909.6A CN110401279B (en) | 2019-07-09 | 2019-07-09 | Shaft-sleeve integrated high-speed permanent magnet motor rotor and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618909.6A CN110401279B (en) | 2019-07-09 | 2019-07-09 | Shaft-sleeve integrated high-speed permanent magnet motor rotor and assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110401279A true CN110401279A (en) | 2019-11-01 |
| CN110401279B CN110401279B (en) | 2021-09-10 |
Family
ID=68324336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618909.6A Active CN110401279B (en) | 2019-07-09 | 2019-07-09 | Shaft-sleeve integrated high-speed permanent magnet motor rotor and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110401279B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11234975A (en) * | 1998-02-18 | 1999-08-27 | Mitsubishi Motors Corp | Assembly for rotor of generator |
| EP1309070A2 (en) * | 2001-10-24 | 2003-05-07 | Pierburg GmbH | Wet rotor motorpump with protection arrangement against corrosion |
| CN101604876A (en) * | 2009-06-23 | 2009-12-16 | 哈尔滨理工大学 | Fan-cooled rotor in shaft of high-speed permanent magnet motor |
| CN101917105A (en) * | 2010-08-20 | 2010-12-15 | 哈尔滨东安发动机（集团）有限公司 | High-speed permanent magnet motor |
| CN204089545U (en) * | 2014-08-21 | 2015-01-07 | 江西工埠机械有限责任公司 | Ultra-low speed big torsional moment motor and adopt the crane of this motor |
| CN106172572A (en) * | 2016-09-26 | 2016-12-07 | 安徽政乐机械有限公司 | A kind of dismiss an internal rotor cooling body for cake frothing machine |
| CN106300737A (en) * | 2016-09-22 | 2017-01-04 | 北京航空航天大学 | A kind of magnetic-suspension high-speed rotor structure for permanent magnet motor |
| CN206820570U (en) * | 2016-02-09 | 2017-12-29 | 源捷公司 | Rotor assembly |
| CN207719914U (en) * | 2018-01-17 | 2018-08-10 | 河南宝天机电科技有限公司 | A kind of superspeed permanent magnet motor rotor structure |
| KR20190050528A (en) * | 2017-11-03 | 2019-05-13 | 엘지전자 주식회사 | A rotor for motor |
-
2019
- 2019-07-09 CN CN201910618909.6A patent/CN110401279B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11234975A (en) * | 1998-02-18 | 1999-08-27 | Mitsubishi Motors Corp | Assembly for rotor of generator |
| EP1309070A2 (en) * | 2001-10-24 | 2003-05-07 | Pierburg GmbH | Wet rotor motorpump with protection arrangement against corrosion |
| CN101604876A (en) * | 2009-06-23 | 2009-12-16 | 哈尔滨理工大学 | Fan-cooled rotor in shaft of high-speed permanent magnet motor |
| CN101917105A (en) * | 2010-08-20 | 2010-12-15 | 哈尔滨东安发动机（集团）有限公司 | High-speed permanent magnet motor |
| CN204089545U (en) * | 2014-08-21 | 2015-01-07 | 江西工埠机械有限责任公司 | Ultra-low speed big torsional moment motor and adopt the crane of this motor |
| CN206820570U (en) * | 2016-02-09 | 2017-12-29 | 源捷公司 | Rotor assembly |
| CN106300737A (en) * | 2016-09-22 | 2017-01-04 | 北京航空航天大学 | A kind of magnetic-suspension high-speed rotor structure for permanent magnet motor |
| CN106172572A (en) * | 2016-09-26 | 2016-12-07 | 安徽政乐机械有限公司 | A kind of dismiss an internal rotor cooling body for cake frothing machine |
| KR20190050528A (en) * | 2017-11-03 | 2019-05-13 | 엘지전자 주식회사 | A rotor for motor |
| CN207719914U (en) * | 2018-01-17 | 2018-08-10 | 河南宝天机电科技有限公司 | A kind of superspeed permanent magnet motor rotor structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110401279B (en) | 2021-09-10 |
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