CN202513697U - Rare earth permanent magnet motor with high dynamic performance - Google Patents

Rare earth permanent magnet motor with high dynamic performance Download PDF

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Publication number
CN202513697U
CN202513697U CN2012200811258U CN201220081125U CN202513697U CN 202513697 U CN202513697 U CN 202513697U CN 2012200811258 U CN2012200811258 U CN 2012200811258U CN 201220081125 U CN201220081125 U CN 201220081125U CN 202513697 U CN202513697 U CN 202513697U
Authority
CN
China
Prior art keywords
rotor
earth permanent
rare
dynamic performance
nut
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.)
Expired - Fee Related
Application number
CN2012200811258U
Other languages
Chinese (zh)
Inventor
李和良
吴伟明
郦先苗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuji H & C Hiest Motor Co Ltd
Original Assignee
Zhuji H & C Hiest Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuji H & C Hiest Motor Co Ltd filed Critical Zhuji H & C Hiest Motor Co Ltd
Priority to CN2012200811258U priority Critical patent/CN202513697U/en
Application granted granted Critical
Publication of CN202513697U publication Critical patent/CN202513697U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a rare earth permanent magnet motor with a high dynamic performance. The rare earth permanent magnet motor comprises a shell, a stator, a rotor and a spindle, the stator is arranged in the shell, the rotor is made of rare earth permanent magnet materials, the spindle is connected with the rotor, the rotor comprises a rotor bushing and a rotor core sleeved on the periphery of the rotor bushing, more than two magnetic steels are axially embedded into the rotor core, a magnetic steel partition is arranged between each two adjacent magnetic steels, and the rotor core is of a laminated structure and is formed by adhering a plurality of silicon steel sheets. Rotor assembly is standardized by the aid of rotor parts of a unit structure, the manufacturing cost is greatly reduced, and the dynamic performance of the rotor is improved.

Description

The rare-earth permanent-magnet electric machine of high dynamic performance
Technical field
The utility model relates to a kind of rare-earth permanent-magnet electric machine, relates in particular to the rare-earth permanent-magnet electric machine of high dynamic performance.
Background technology
Rare-earth permanent-magnet electric machine is the novel power device that a kind of range of application is wide, volume is little, energy consumption is low.Rare-earth permanent-magnet electric machine generally is made up of parts such as stator, rotor and end caps.Stator and conventional induction motor are basic identical; Rotor is solid construction or is formed by silicon steel plate stacking; But all be to be overall structure, lack the componentization operation, have huge obstruction for the standard assemblied of rare-earth permanent-magnet electric machine and reduction manufacturing cost aspect.
China's utility model patent patent No. 201120145274.1 discloses a kind of rare-earth permanent magnet motor, and it comprises support, and the front and back ends of said support has forward and backward end cap through bolt; And said forward and backward end cap place is provided with bearing; Rotating shaft is rotationally connected with in the support through bearing, and the bearing arranged outside at said front end housing place has oil sealing, and the bearing that is arranged at the rear end cap place is the encoder bearing; Said rotating shaft is provided with rotor; Respective rotor is provided with stator in support, between said stator and the rotor air gap is arranged, and said rotor is embedded with permanent magnetic steel; Adopt on the said stator to start winding and operation winding two cover windings, said startup winding must be half multiple of operation winding.This kind rare-earth permanent magnet motor does not mention that the componentization assembling that how to realize rare-earth permanent-magnet electric machine operates the technical clarification that improves dynamic property simultaneously.
Summary of the invention
The utility model provides a kind of rare-earth permanent-magnet electric machine of high dynamic performance of simple in structure, rotor part standard assembling.
A kind of rare-earth permanent-magnet electric machine of high dynamic performance; Comprise housing and be located at the rotor that stator and rare earth permanent-magnetic material in the housing are processed; And the main shaft that connects rotor; The rotor core that described rotor comprises rotor bushing and is placed in the rotor bushing periphery, embedding vertically in the rotor core has two with upper magnetic steel, is provided with the magnet steel dividing plate between the adjacent magnet steel; Rotor core is that lamination constitutes by the polylith silicon steel sheet is bonding.The rotor bushing inner ring connects main shaft through key pin.This kind adopts the rotor part structure assembling of blocking, and magnet steel in rotor core and the rotor core and magnet steel dividing plate, rotor bushing are realized standard assemblied, have not only practiced thrift a large amount of manufacturing costs, and have improved the dynamic property of rotor.
Described rotor core two ends are equipped with the rotor end plates that NULL processes and prevent leakage field, and also realize can assembling for standarized component for rotor end plates.
Described rotor bushing one end is provided with the circular fold of one, and the other end is provided with the stepped hole rotor core trim ring that is connected.Described rotor bushing is connected with in core flange one side end and core flange periphery and axially fastens nut, clamp nut be threaded main shaft with restrict rotor in axial motion, improve rotor dynamically and static properties.
Described clamp nut comprises that nut body and nut circumferential wall are provided with the bolt that two above axial thread holes are connected; The radially inside and outside both sides of described nut circumferential wall are provided with parallel indent annulus; Be threaded the simultaneously indent annulus of the radially inside and outside both sides of nut circumferential wall of bolt; This kind adopts the bolt radially indent circular ring structure of inside and outside both sides of nut circumferential wall that is threaded simultaneously; Realize that the bolt thread coupling mechanism force oppositely is provided with in indent annulus both sides, reaches good locking purpose.
The utility model realizes that through the rotor part of unit structure the standardization of rotor assembling greatly reduces manufacturing cost, has improved the dynamic property of rotor simultaneously.
Description of drawings
Be illustrated in figure 1 as the rare-earth permanent-magnet electric machine structural representation of the utility model high dynamic performance.
Embodiment
The rare-earth permanent-magnet electric machine of a kind of high dynamic performance as shown in Figure 1; Comprise housing 2 and be located at the rotor that stator 3 and rare earth permanent-magnetic material in the housing 2 are processed; And the main shaft 1 that connects rotor; The rotor core 4 that described rotor comprises rotor bushing 10 and is placed in rotor bushing 10 peripheries, embedding vertically in the rotor core 4 has two with upper magnetic steel 7, is provided with magnet steel dividing plate 8 between the adjacent magnet steel 7; Rotor core 4 constitutes by the polylith silicon steel sheet is bonding for lamination, and magnet steel 7, magnet steel dividing plate 8, silicon steel sheet, rotor bushing 10 have improved dynamic property when being standard assemblied the reducing cost that the unit structure realized rotor part.
Be equipped with the rotor end plates 11 that NULL is processed as structure optimization rotor core 4 two ends.
As a kind of structure of rotor bushing 10, rotor bushing 10 1 ends are provided with the circular fold of one, and the other end is provided with the stepped hole rotor core trim ring 5 that is connected.Rotor bushing 10 is connected with in core flange 5 one side ends and core flange 5 peripheries and axially fastens nut 6, clamp nut 6 main shaft 1 that is threaded.The preferred structure of clamp nut 6 comprises that nut body and nut circumferential wall are provided with the bolt 9 that two above axial thread holes are connected; The radially inside and outside both sides of described nut circumferential wall are provided with parallel indent annulus, the bolt 9 radially indent annulus of inside and outside both sides of nut circumferential wall that is threaded simultaneously.

Claims (5)

1. the rare-earth permanent-magnet electric machine of a high dynamic performance; Comprise housing (2) and be located at the rotor that stator (3) and rare earth permanent-magnetic material in the housing (2) are processed; And the main shaft (1) that connects rotor; It is characterized in that: the rotor core (4) that described rotor comprises rotor bushing (10) and is placed in rotor bushing (10) periphery, embedding vertically in the rotor core (4) has two with upper magnetic steel (7), is provided with magnet steel dividing plate (8) between the adjacent magnet steel (7); Rotor core (4) constitutes by the polylith silicon steel sheet is bonding for lamination.
2. the rare-earth permanent-magnet electric machine of high dynamic performance as claimed in claim 1, it is characterized in that: described rotor core (4) two ends are equipped with the rotor end plates (11) that NULL is processed.
3. the rare-earth permanent-magnet electric machine of high dynamic performance as claimed in claim 1, it is characterized in that: described rotor bushing (10) one ends are provided with the circular fold of one, and the other end is provided with the stepped hole rotor core trim ring (5) that is connected.
4. the rare-earth permanent-magnet electric machine of high dynamic performance as claimed in claim 3; It is characterized in that: described rotor bushing (10) is connected with in core flange (5) one side ends and core flange (5) periphery and axially fastens nut (6), clamp nut (6) main shaft (1) that is threaded.
5. the rare-earth permanent-magnet electric machine of high dynamic performance as claimed in claim 4, it is characterized in that: described clamp nut (6) comprises that nut body and nut circumferential wall are provided with the bolt (9) that two above axial thread holes are connected; The radially inside and outside both sides of described nut circumferential wall are provided with parallel indent annulus, bolt (9) the radially indent annulus of inside and outside both sides of nut circumferential wall that is threaded simultaneously.
CN2012200811258U 2012-03-05 2012-03-05 Rare earth permanent magnet motor with high dynamic performance Expired - Fee Related CN202513697U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200811258U CN202513697U (en) 2012-03-05 2012-03-05 Rare earth permanent magnet motor with high dynamic performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200811258U CN202513697U (en) 2012-03-05 2012-03-05 Rare earth permanent magnet motor with high dynamic performance

Publications (1)

Publication Number Publication Date
CN202513697U true CN202513697U (en) 2012-10-31

Family

ID=47066154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200811258U Expired - Fee Related CN202513697U (en) 2012-03-05 2012-03-05 Rare earth permanent magnet motor with high dynamic performance

Country Status (1)

Country Link
CN (1) CN202513697U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103078425A (en) * 2012-12-29 2013-05-01 重庆华伟联龙科技有限公司 Water-cooled inner-rotor motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103078425A (en) * 2012-12-29 2013-05-01 重庆华伟联龙科技有限公司 Water-cooled inner-rotor motor
CN103078425B (en) * 2012-12-29 2015-11-18 重庆鼎工机电有限公司 water-cooled inner rotor motor

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20150305

EXPY Termination of patent right or utility model