CN109378955A - Permanent magnet machine rotor assembly tooling - Google Patents
Permanent magnet machine rotor assembly tooling Download PDFInfo
- Publication number
- CN109378955A CN109378955A CN201811584865.1A CN201811584865A CN109378955A CN 109378955 A CN109378955 A CN 109378955A CN 201811584865 A CN201811584865 A CN 201811584865A CN 109378955 A CN109378955 A CN 109378955A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- upper housing
- permanent magnet
- rotor
- stator
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to motor parts assembly fields, specifically disclose permanent magnet machine rotor assembly tooling, including the upper housing being fixedly connected with stator, the bottom opening of upper housing is arranged, the lower section of stator is equipped with the screw rod for being rotatably connected on upper housing bottom end, the diameter of described screw rod one end is greater than the diameter of the other end, firm banking is threaded on screw rod, the fixed mechanism for fixing dispensing rotor to be installed is connected on firm banking, internal diameter regulating mechanism is equipped in firm banking, the inner wall of the upper housing is connected with the driving limit assembly for driving internal diameter regulating mechanism.The present invention drives rotor gradually to close to the movement of stator direction, when avoiding directly assembling rotor, to generate collision with stator under the magnetic absorption effect of rotor surface magnet steel or be adsorbed on stator bottom by the way that screw rod is mobile, and influences the problem of assembling.
Description
Technical field
The present invention relates to motor parts assembly fields, and in particular to permanent magnet machine rotor assembly tooling.
Background technique
Currently, with the rapid development of the automotive industry and Global Oil resource it is increasingly depleted, electric car is in recent years
It is deep to be pursued by masses.Magneto is increasingly becoming the drive system of electric car with its advantage and characteristic, also develops in recent years fast
Speed.
Magneto is also referred to as permanent magnet synchronous motor, uses magnet structure (being often referred to magnet steel) generally on rotor,
Due to the presence of magnet steel so that there are biggish magnetic pull between rotor and stator, can make rotor in assembling process rotor with
Stator collides under the action of magnetic pull or in unassembled end i.e. mutually absorption, increases assembly difficulty.At present for permanent magnetism
The assembly of rotor, the prior art generallys use specific assembly lathe, though and these lathes in the prior art are capable of fixing
Rotor reaches rotor and stablizing for stator is assembled, but these lathe figures are larger, and mobile inconvenient and equipment investment is high, and pacifies
The assembly degree of artificial observation rotor and stator is needed when dress, it is inconvenient.
Summary of the invention
It, can while reaching rotor and stator stablizes installation the invention is intended to provide permanent magnet machine rotor assembly tooling
Automatically determine assembly terminal.
In order to achieve the above objectives, technical scheme is as follows: permanent magnet machine rotor assembly tooling, including solid with stator
Surely the upper housing connected, the bottom opening setting of upper housing, the lower section of stator are equipped with the screw rod for being rotatably connected on upper housing bottom end,
The diameter of screw rod one end is greater than the diameter of the screw rod other end, is threaded with firm banking on screw rod, is connected on firm banking
For fixing the fixed mechanism of dispensing rotor to be installed, it is equipped with internal diameter regulating mechanism in firm banking, the inner wall of the upper housing is affixed
There is the driving limit assembly for driving internal diameter regulating mechanism.
The principle and beneficial effect of the technical program are: the technical program upper housing is for fixing and protecting stator
Stator provides accommodation space, and the bottom end opening of upper housing is set as screw rod and provides rotational installation site.Fixed mechanism is for fixing
Rotor to be installed, screw rod is for driving rotor movement to be assembled, specifically, screw rod rotation drives what is be threadedly coupled therewith to consolidate
Determine pedestal to move axially along screw rod, and then drives rotor edge fixed in fixed mechanism and fixed mechanism affixed on firm banking
Screw rod axial movement, so that rotor relative stator is mobile, to realize the assembly of rotor.Rotor is driven by the way that screw rod is mobile
Gradually to close to the movement of stator direction, when avoiding directly assembling rotor, under the magnetic absorption effect of rotor surface magnet steel and determine
Son generates collision or is adsorbed on stator bottom, and influences the problem of assembling.
Since the diameter of screw rod one end is greater than the diameter of the screw rod other end, i.e. screw rod axial direction diameter is gradually increased, so that turning
During moving along screw rod to stator, the height of rotor gradually rises son, so that the vertical distance between rotor and stator
It is gradually reduced, so that rotor is at the underface for being moved to stator, the distance between rotor and stator are minimum, facilitate the dress of rotor
Match.Internal diameter regulating mechanism is used to adjust the internal diameter of firm banking, so that firm banking is along screw rod during moving axially, Gu
Determine the screw rod that pedestal is gradually increased with diameter always and keep the state being threadedly coupled, guarantees the stability of equipment connection.Driving limit
On the one hand hyte part is used to drive internal diameter regulating mechanism, on the other hand for limiting the shift motion of firm banking, facilitate judgement
The mobile terminal of firm banking can realize judging automatically for the terminal of rotor assembly, easy to operate.
Further, the bottom end of upper housing is rotatably connected to the lower case of upper opening, removable between upper housing and lower case
It unloads and is connected with connector.
When fastening between lower case and upper housing, closed state is formed, for protecting internal rotor and stator, by lower casing
Body is arranged to rotate relative to upper housing, facilitates the assembly of screw rod.
Further, fixed mechanism includes the fixed frame for being fixed in firm banking upper end, and the bottom of fixed frame, which is connected with, to inhale
The electromagnet of attached rotor.
Fixed frame, for adsorbing fixed rotor, guarantees to turn for accommodating rotor to be assembled, electromagnet before rotor assembly
The fixed stability of son.
Further, driving limit assembly includes the gas tank for being fixed in upper enclosure inner wall, and sealing slidably connects work in gas tank
It fills in, is hinged with pull rod on piston, pull rod is hinged on the outer wall of fixed frame far from one end of piston.
When fixed frame with firm banking along screw rod axial movement during, will drive and moved with the hinged pull rod of fixed frame
It is dynamic, and then slide piston along gas tank inner wall, when piston is moved to gas tank end, gas tank can hinder the mobile generation of piston
Hinder, so that piston can not continue to move to, reach the stroke end of piston, piston can have pull rod and fixed frame reversed at this time
Active force has reached the stroke end of fixed frame simultaneously, can so sentence so that fixed frame can not continue to move axially along screw rod
Disconnected rotor movement is in place, can close electromagnet, so that rotor is assembled in the inner hole of stator, complete the assembly of rotor.
Further, internal diameter regulating mechanism includes the ring-shaped gasbag for being slidably connected at firm banking inner wall, ring-shaped gasbag and gas
Conduit is communicated between case, the inner circumferential of ring-shaped gasbag is evenly equipped with multiple support chips, is connected with fixed cylinder on support chip, Gu
Safety barrel is equipped with the screw thread that can be engaged with screw rod far from the one side of support chip, slidably connects arc between two neighboring fixed cylinder
Shape bar.
When firm banking is moved axially along screw rod, the diameter of screw rod is gradually increased, and is driven admittedly at this point, firm banking is mobile
Surely it frames shift dynamic, fixed frame is mobile in gas tank inner wall by pull rod band piston, so that the pressure in gas tank reduces, ring-type gas at this time
Intracapsular gas is flow in gas tank under the action of negative pressure along conduit in gas tank, so that the gas in ring-shaped gasbag is reduced, so that
Fixed cylinder is mobile to the side far from screw rod under the Inner extrusion effect of screw rod, and curved rod can be slided along fixed cylinder at this time, be made
It obtains the distance between fixed cylinder to increase, the internal diameter that fixed cylinder inner wall surrounds increases, and continuation and screw rod holding meshing state guarantee to set
Standby is stably connected with.
Further, the both ends of curved rod are located inside two neighboring fixed cylinder, and the both ends of curved rod are connected with
Limited block.
The limited block of arc mandrel ends has the function of restriction curved rod shift motion, avoids curved rod inside fixed cylinder
It falls off, is further ensured that being stably connected with for equipment room.
Further, the ring-shaped gasbag surface is equipped with protective layer.
The protective layer on ring-shaped gasbag surface has the function of protecting ring-shaped gasbag, avoids ring-shaped gasbag damaged, extend cyclic annular
The service life of air bag.
Further, screw rod is equipped with scotch.
Scotch on screw rod has the function of that auxiliary limits firm banking moving distance, so that firm banking is being moved to
Rotor reaches to form terminal when being located at the underface of stator, has the function of assisting centering, improves the precision of rotor assembly.
Further, the bottom of lower case is connected with hanging ring.
Hanging ring facilitates the connection of equipment room for lifting other equipment to be connected.
Detailed description of the invention
Fig. 1 is the longitudinal sectional view of upper housing in the embodiment of the present invention；
Fig. 2 is the right view of firm banking in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description include: stator 1, upper housing 2, screw rod 3, lower case 4, fixed frame 5, gas tank 6,
Piston 7, pull rod 8, ring-shaped gasbag 9, conduit 10, fixed cylinder 11, curved rod 12, scotch 13, limited block 14, hanging ring 15, turntable
16, handle 17, firm banking 18, rotor 19.
Embodiment is substantially as shown in Fig. 1: permanent magnet machine rotor assembly tooling, the upper housing 2 including lower openings, upper casing
Stator 1 is fixedly installed in body 2, the lower part of upper housing 2 is rotatably connected to the lower case 4 of upper opening, lower case 4 by hinge
Bottom be connected with hanging ring 15, be bolted between upper housing 2 and lower case 4, upper housing 2 and lower case 4 can fasten shape
At the casing of sealing, upper housing 2 can be easy for installation and removal with the such setting of lower case 4.The arranged on left and right sides wall of upper housing 2
The top of the arranged on left and right sides wall of bottom end and lower case 4 is equipped with semicircular groove, and the groove of upper housing 2 is recessed with lower case 4
Slot can spell shape at circular through hole, be rotatably connected to screw rod 3 between two circular through holes, screw rod 3 is located at the lower section of stator 1, screw rod 3
Left end pass through the circular through hole in left side and be coaxially connected with turntable 16, turntable 16 is equipped with handle 17.
Screw rod 3 is gradually increased along axial (from right to left) diameter, i.e., the diameter of 3 left end of screw rod is greater than the straight of 3 right end of screw rod
Diameter, screw rod 3 are equipped with scotch 13, and scotch 13 is located at the lower left of stator 1.Firm banking 18 is threaded on screw rod 3,
The fixed frame 5 for accommodating rotor 19 to be assembled is connected on firm banking 18, the bottom of fixed frame 5 is connected with adsorbable turn
The electromagnet of son 19, the outer wall of upper housing 2 are equipped with the control switch for controlling electromagnet opening and closing.The inner wall of upper housing 2 is equipped with
Limit assembly is driven, driving limit assembly includes the gas tank 6 for being fixed in 2 inner wall of upper housing, and sealing slidably connects work in gas tank 6
7 are filled in, is hinged with pull rod 8 on piston 7, pull rod 8 is hinged on the outer wall of fixed frame 5 far from one end of piston 7.
Internal diameter regulating mechanism is equipped in firm banking 18, as shown in connection with fig. 2, internal diameter regulating mechanism includes being slidably connected at admittedly
Determine the ring-shaped gasbag 9 of 18 inner wall of pedestal, 9 surface of ring-shaped gasbag is equipped with protective layer, is communicated with and leads between ring-shaped gasbag 9 and gas tank 6
Pipe 10.The inner circumferential of ring-shaped gasbag 9 is uniformly distributed there are six support chip, is bonded with fixed cylinder 11 on support chip, fixed cylinder 11 is remote
One side cambered surface setting from support chip, and cambered surface is equipped with the screw thread that can engage with screw rod 3, between two neighboring fixed cylinder 11
Slidably connect curved rod 12.The both ends of curved rod 12 are located inside two neighboring fixed cylinder 11, and curved rod 12
Both ends are connected with limited block 14.
Specific implementation process is as follows: when needing to assemble rotor 19, rotor 19 to be assembled being placed in fixed frame 5, so
Electromagnet is opened by control switch afterwards, so that rotor 19 is absorbed and fixed in fixed frame 5 by electromagnet.Swing handle 17,
Hand 17 drives turntable 16 to rotate, and then drives and rotate with the coaxial affixed screw rod 3 of turntable 16, and screw rod 3 makes during rotation
The firm banking 18 engaged with screw rod 3 moves from right to left along screw rod 3, since the fixed frame 5 on firm banking 18 is connected with drawing
Bar 8, pull rod 8 have the function of limit to firm banking 18, so that firm banking 18 can only be moved axially along screw rod 3 without phase
Screw rod 3 is rotated.
Firm banking 18 is along screw rod 3 from right to left moving process, the diameter for the screw rod 3 being arranged inside firm banking 18
It is gradually increased.Firm banking 18 is mobile to be will drive pull rod 8 and is moved to the left, so with piston 7 along 6 inner wall of gas tank from dextrad
Left sealing sliding, so that the volume on 6 inner piston of gas tank, 7 right side increases, pressure reduces, i.e. generation negative pressure.Due to gas tank 6 and ring-type
Conduit 10 is communicated between air bag 9, the gas in ring-shaped gasbag 9 is flow in gas tank 6 under the action of negative pressure along conduit 10, so that
Gas in ring-shaped gasbag 9 is reduced, and ring-shaped gasbag 9 reduces the squeezing action of 11 outer wall of fixed cylinder, so that fixed cylinder 11 is in silk
Mobile to the side far from screw rod 3 under the Inner extrusion effect of bar 3, curved rod 12 can be slided along fixed cylinder 11 at this time, so that phase
The internal diameter that the distance between adjacent two fixed cylinders 11 increase, and then surround 11 inner wall of fixed cylinder increases, so that in firm banking
18 along screw rod 3 when being moved at 3 diameter increase of screw rod, and firm banking 18 can also continue to and screw rod 3 keeps meshing state.Meanwhile
Since the diameter of screw rod 3 is gradually increased, when firm banking 18 moves at 3 diameter increase of screw rod, firm banking 18 is pushed up
The height of the fixed frame 5 at end can rise, so that having the function of upper lift to rotor 19, shorten perpendicular between rotor 19 and stator 1
Straight distance.
When firm banking 18, which is moved to rotor 19, is located at the underface of 1 inner hole of stator, at this point, the left end of pedestal and screw rod
Scotch 13 on 3 offsets, and scotch 13 has the function of stopping to firm banking 18.Meanwhile piston 7 is moved to gas tank 6
Left part, the meeting of gas tank 6 hinders the mobile generation of piston 7, so that piston 7 can not continue to move to, the stroke for reaching piston 7 is whole
Point, piston 7 can have the function of pull rod 8 and fixed frame 5 reversely to fix, so that fixed frame 5 can not continue along the axial shifting of screw rod 3
It is dynamic, reach the fixed frame 5 i.e. stroke end of firm banking 18, i.e. firm banking 18 can make rotor 19 and 1 centering of stator.
After firm banking 18 reaches stroke end, that is, it can determine whether that rotor 19 and stator 1 complete centering, at this point, rotor 19
Vertical distance between stator 1 is most short, closes control switch, so that rotor 19 fills under the magnetic absorption effect of surface magnetic steel
It is fitted in 1 inner hole of stator.
The technical program drives rotor 19 gradually mobile to close 1 direction of stator by the way that screw rod 3 is mobile, avoids directly assembling
When rotor 19, collision is generated with stator 1 under the magnetic absorption effect of 19 surface magnetic steel of rotor or is adsorbed on 1 bottom of stator, and
The problem of influencing assembly.The centering process being automatically performed before assembly between stator 1 and rotor 19 simultaneously, it is easy to operate.
What has been described above is only an embodiment of the present invention, the common sense such as well known specific technical solution and/or characteristic in scheme
It does not describe excessively herein.It should be pointed out that for those skilled in the art, before not departing from technical solution of the present invention
It puts, several modifications and improvements can also be made, these also should be considered as protection scope of the present invention, these all will not influence this
Invent the effect and patent practicability implemented.The scope of protection required by this application should be based on the content of the claims,
The records such as the specific embodiment in specification can be used for explaining the content of claim.
Claims (9)
1. permanent magnet machine rotor assembly tooling, it is characterised in that: including the upper housing being fixedly connected with stator, the bottom of upper housing
Opening setting, the lower section of stator are equipped with the screw rod for being rotatably connected on upper housing bottom end, and it is another that the diameter of screw rod one end is greater than screw rod
The diameter at end is threaded with firm banking on screw rod, the fixation machine for fixing dispensing rotor to be installed is connected on firm banking
Structure, firm banking is interior to be equipped with internal diameter regulating mechanism, and the inner wall of the upper housing is connected with the drive for driving internal diameter regulating mechanism
Dynamic limit assembly.
2. permanent magnet machine rotor assembly tooling according to claim 1, it is characterised in that: the bottom end of the upper housing rotates
It is connected with the lower case of upper opening, connector is removably connected between upper housing and lower case.
3. permanent magnet machine rotor assembly tooling according to claim 1, it is characterised in that: the fixed mechanism includes affixed
The fixed frame held on the fixed base, the bottom of fixed frame are connected with the electromagnet of adsorbable rotor.
4. permanent magnet machine rotor assembly tooling according to claim 1, it is characterised in that: the driving limit assembly includes
It is fixed in the gas tank of upper enclosure inner wall, sealing slidably connects piston in gas tank, pull rod is hinged on piston, pull rod is far from piston
One end be hinged on the outer wall of fixed frame.
5. permanent magnet machine rotor assembly tooling according to claim 4, it is characterised in that: the internal diameter regulating mechanism includes
It is slidably connected at the ring-shaped gasbag of firm banking inner wall, conduit, the inside of ring-shaped gasbag are communicated between ring-shaped gasbag and gas tank
Multiple support chips circumferentially are evenly equipped with, fixed cylinder are connected on support chip, fixed cylinder is equipped with far from the one side of support chip can
The screw thread engaged with screw rod slidably connects curved rod between two neighboring fixed cylinder.
6. permanent magnet machine rotor assembly tooling according to claim 5, it is characterised in that: distinguish at the both ends of the curved rod
Inside two neighboring fixed cylinder, and the both ends of curved rod are connected with limited block.
7. permanent magnet machine rotor assembly tooling according to claim 5 or 6, it is characterised in that: the ring-shaped gasbag surface
Equipped with protective layer.
8. permanent magnet machine rotor assembly tooling according to claim 7, it is characterised in that: the screw rod is equipped with stop
Block.
9. permanent magnet machine rotor assembly tooling according to claim 8, it is characterised in that: the bottom of the lower case is affixed
There is hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584865.1A CN109378955B (en) | 2018-12-24 | 2018-12-24 | Permanent magnet motor rotor assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584865.1A CN109378955B (en) | 2018-12-24 | 2018-12-24 | Permanent magnet motor rotor assembly fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109378955A true CN109378955A (en) | 2019-02-22 |
| CN109378955B CN109378955B (en) | 2020-05-15 |
Family
ID=65371460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811584865.1A Active CN109378955B (en) | 2018-12-24 | 2018-12-24 | Permanent magnet motor rotor assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109378955B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111277089A (en) * | 2020-02-25 | 2020-06-12 | 天津大学 | Motor tool capable of keeping voice coil motor concentrically mounted |
| CN111525761A (en) * | 2020-04-21 | 2020-08-11 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Permanent magnet motor capable of being maintained on site |
| CN112901620A (en) * | 2021-01-29 | 2021-06-04 | 重庆新炬鑫机械有限公司 | Quick positioning device for magnetizing flywheel magnetic steel |
| CN117955303A (en) * | 2024-02-18 | 2024-04-30 | 河北兴隆起重设备有限公司 | Permanent magnet motor rotor magnetic pole installation equipment |
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| US3979821A (en) * | 1975-05-09 | 1976-09-14 | Kollmorgen Corporation | Method of manufacturing rare earth permanent magnet rotor |
| EP0302116A1 (en) * | 1987-02-17 | 1989-02-08 | Fanuc Ltd. | Method of inserting rotor of motor and motor suitable therefor |
| EP1315273A2 (en) * | 2001-11-27 | 2003-05-28 | Asmo Co. Ltd. | Method and apparatus for manufacturing yoke of electric rotating machine |
| CN102237742A (en) * | 2010-05-06 | 2011-11-09 | 斯维奇传动系统有限公司 | Electrical machine and a method for assembling it |
| CN103762788A (en) * | 2013-12-31 | 2014-04-30 | 宁波菲仕运动控制技术有限公司 | Assembly tool of stator and rotor of motor |
| CN105680648A (en) * | 2016-04-12 | 2016-06-15 | 杭州集智机电股份有限公司 | Radial supporting and axial pre-tightening structure for dynamic balance measurement of motor rotor provided with bearing |
| CN107800250A (en) * | 2017-11-29 | 2018-03-13 | 苏州三屹晨光自动化科技有限公司 | A kind of magnetic shoe presss from both sides support arrangement |
| CN207530636U (en) * | 2017-12-05 | 2018-06-22 | 贵州航天林泉电机有限公司 | A kind of expansion type, self-locking magnetic steel of stator positioning device |
| CN207542961U (en) * | 2017-11-23 | 2018-06-26 | 南京奥特佳新能源科技有限公司 | DC brushless motor manual separation apparatus |
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2018
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3648090A (en) * | 1968-12-26 | 1972-03-07 | Robert Voin | Dynamo-electric machine |
| US3979821A (en) * | 1975-05-09 | 1976-09-14 | Kollmorgen Corporation | Method of manufacturing rare earth permanent magnet rotor |
| EP0302116A1 (en) * | 1987-02-17 | 1989-02-08 | Fanuc Ltd. | Method of inserting rotor of motor and motor suitable therefor |
| EP1315273A2 (en) * | 2001-11-27 | 2003-05-28 | Asmo Co. Ltd. | Method and apparatus for manufacturing yoke of electric rotating machine |
| CN102237742A (en) * | 2010-05-06 | 2011-11-09 | 斯维奇传动系统有限公司 | Electrical machine and a method for assembling it |
| CN103762788A (en) * | 2013-12-31 | 2014-04-30 | 宁波菲仕运动控制技术有限公司 | Assembly tool of stator and rotor of motor |
| CN105680648A (en) * | 2016-04-12 | 2016-06-15 | 杭州集智机电股份有限公司 | Radial supporting and axial pre-tightening structure for dynamic balance measurement of motor rotor provided with bearing |
| CN207542961U (en) * | 2017-11-23 | 2018-06-26 | 南京奥特佳新能源科技有限公司 | DC brushless motor manual separation apparatus |
| CN107800250A (en) * | 2017-11-29 | 2018-03-13 | 苏州三屹晨光自动化科技有限公司 | A kind of magnetic shoe presss from both sides support arrangement |
| CN207530636U (en) * | 2017-12-05 | 2018-06-22 | 贵州航天林泉电机有限公司 | A kind of expansion type, self-locking magnetic steel of stator positioning device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111277089A (en) * | 2020-02-25 | 2020-06-12 | 天津大学 | Motor tool capable of keeping voice coil motor concentrically mounted |
| CN111525761A (en) * | 2020-04-21 | 2020-08-11 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Permanent magnet motor capable of being maintained on site |
| CN112901620A (en) * | 2021-01-29 | 2021-06-04 | 重庆新炬鑫机械有限公司 | Quick positioning device for magnetizing flywheel magnetic steel |
| CN117955303A (en) * | 2024-02-18 | 2024-04-30 | 河北兴隆起重设备有限公司 | Permanent magnet motor rotor magnetic pole installation equipment |
| CN117955303B (en) * | 2024-02-18 | 2024-09-20 | 河北兴隆起重设备有限公司 | Permanent magnet motor rotor magnetic pole installation equipment |
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| Publication number | Publication date |
|---|---|
| CN109378955B (en) | 2020-05-15 |
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Denomination of invention: Assembly fixture for permanent magnet motor rotor Effective date of registration: 20230711 Granted publication date: 20200515 Pledgee: Industrial and Commercial Bank of China Limited Chongqing High tech Branch Pledgor: CHONGQING ELECTRIC MACHINE FEDERATION Ltd. Registration number: Y2023980047824 |