CN112636502B - Permanent magnet synchronous motor rotor - Google Patents
Permanent magnet synchronous motor rotor Download PDFInfo
- Publication number
- CN112636502B CN112636502B CN202011444821.6A CN202011444821A CN112636502B CN 112636502 B CN112636502 B CN 112636502B CN 202011444821 A CN202011444821 A CN 202011444821A CN 112636502 B CN112636502 B CN 112636502B
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- permanent magnet
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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
- H02K1/223—Rotor cores with windings and permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to the technical field of motor equipment, in particular to a permanent magnet synchronous motor rotor which comprises a motor core and a motor shell, wherein the motor core is movably arranged inside the motor shell, a rotor is fixedly arranged inside the motor core, a winding board is fixedly inserted into the outer surface of the rotor, fixing devices are fixedly inserted into the outer surfaces of the edges of two ends of the rotor, a clamping hole is formed in the center of the top surface of the motor shell, a stator is fixedly arranged on the inner surface of the clamping hole, a cover plate is fixedly connected to the top end of the motor shell, a base is fixedly connected to the bottom end of the motor shell, inserting grooves are uniformly formed in the outer surface of the rotor, rotating shafts are welded to the center surfaces of the two ends of the rotor, and external threads are formed in the outer surfaces of the edges of the rotating shafts. The invention can independently wind the coil on the outer surface of the wire winding plate by separating the wire winding plate from the rotor, and can improve the working efficiency of fixing the coil on the outer surface of the rotor.
Description
Technical Field
The invention relates to the technical field of motor equipment, in particular to a permanent magnet synchronous motor rotor.
Background
The permanent magnet synchronous motor is excited by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, the running reliability of the motor is improved, the efficiency and the power density of the motor are improved because exciting current is not needed and exciting loss does not exist, and the permanent magnet synchronous motor is composed of a stator, a rotor, an end cover and other parts. The stator is basically the same as a common induction motor, the iron loss of the motor during operation is reduced by adopting a lamination structure, the rotor can be made into a solid state, and the lamination can also be used for laminating, so that before the motor is used, the stator and the rotor need to be assembled in a processing plant and then are used by people in corresponding environments.
At present, when the permanent magnet synchronous motor is processed and produced, a winding coil needs to be wound on the outer surface of a rotor, but the existing rotor is simple in structure and cannot be adjusted, and in addition, the gap of a winding opening on the outer surface of the rotor is small, so that the working efficiency of winding of the coil on the outer surface of the rotor is reduced when workers wind the coil, and the permanent magnet synchronous motor rotor is needed to solve the problems.
Disclosure of Invention
The present invention is directed to a rotor of a permanent magnet synchronous motor to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a permanent magnet synchronous motor rotor, motor rotor installs in motor core and motor casing, motor core movable mounting is in motor casing's inside, motor core's inside fixed mounting has the rotor, the external fixed surface of rotor pegs graft and has the winder, the marginal external fixed surface in both ends of rotor pegs graft and has fixing device, the joint hole has been seted up at motor casing's top surface center, the internal fixed surface in joint hole installs the stator, motor casing's top fixedly connected with apron, motor casing's bottom fixedly connected with base.
Specifically, the inserting grooves have been evenly seted up to the surface of rotor, the both ends central plane welding of rotor has the pivot, the external screw thread has been seted up to the marginal surface of pivot, first joint groove has been seted up at the both ends face edge of rotor, first spliced eye has evenly been seted up at the internal surface edge in first joint groove, spacing draw-in groove has been seted up at the inside edge in both ends of rotor, the inside fixedly connected with spring of spacing draw-in groove, the bottom fixedly connected with joint piece of spring.
Specifically, fixing device's inside fixed mounting has spacing bottom plate, the top surface welding of spacing bottom plate has hexagon nut, hexagon nut's top surface center spiral is seted up threaded hole, the bottom surface edge of spacing bottom plate has seted up the lock joint groove, the inside activity joint in lock joint groove has the lock joint ring, the bottom surface edge welding of lock joint ring has the plug-in post.
Specifically, second joint grooves are formed in the edges of the two end faces of the winding plate, second plug holes are formed in the edges, located in the second joint grooves, of the two end faces of the winding plate, rubber pads are fixedly connected to the edges of the two sides of the winding plate, and grooves are formed in the outer surface of the winding plate.
Specifically, the fixing device is screwed and fastened with the external thread on the outer surface of the rotating shaft through the threaded hole on the top surface of the hexagon nut, the fixing device is movably inserted and connected with the hexagon nut on one end surface of the rotor through the insertion column at the bottom end, and the insertion column is movably clamped and connected with the fastening groove on the edge of the bottom surface of the limiting bottom plate through the fastening ring at the top end.
Specifically, the winding board is inserted and connected with the outer surface of the rotor through an insertion groove, and the clamping block is movably clamped and connected with a second clamping groove of one end face of the winding board at the bottom end inside the limiting clamping groove.
Specifically, the inserting column penetrates through the hexagonal nut and is inserted into the second inserting hole in the top end face of the winding plate.
Specifically, the winding board is in contact extrusion with two side faces inside the inserting groove through rubber pads on the two side faces.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention can facilitate the installation of the winding board on the outer surface of the rotor through the inserting grooves uniformly arranged on the outer surface of the rotor, the rotating shafts welded on the central surfaces of the two ends of the rotor can be inserted with the two ends of the motor shell, thereby being convenient for limiting the rotor in the motor shell, the external thread arranged on the outer surface of the edge of the rotating shaft can lead the fixing device to slide up and down on the outer surface of the rotating shaft, thereby fix the fixed grafting in the inside of second spliced eye with spliced pole process hexagon nut, make the both ends of winder fix the inside both ends at the inserting groove, the spacing draw-in groove that the both ends inside edge of rotor was seted up can receive the inside shrink to spacing draw-in groove when the joint piece extrudeing, the spring of the inside fixed connection of spacing draw-in groove can produce elasticity when receiving the extrusion of joint piece, and the elasticity that the spring shrink produced can resume the initial position for the joint piece and provide power.
(2) Fixing device's inside fixed mounting's limiting bottom plate, the top looks swing joint of first spliced eye and external screw thread of being convenient for, limiting bottom plate's top surface welded hexagon nut, the screw hole that can the top surface central spiral was seted up is connected with the external screw thread looks spiral fastening of pivot surface, thereby can adjust fixing device in the position of pivot surface, the lock joint groove of seting up at limiting bottom plate's bottom surface edge, can with the surface looks activity joint of lock joint ring, thereby can rotate at hexagon nut, the spliced pole that does not drive the bottom rotates together.
(3) Second joint groove that the both ends face edge of wire winding board was seted up, can with the joint piece looks activity joint at the inside both ends of inserting groove, thereby can make the joint piece play preliminary fixed effect to the both ends of wire winding board, avoid when installing the wire winding board, other several groups of wire winding boards can take place to drop, the both ends face of wire winding board and the second spliced eye that the edge that is located the second joint groove was seted up, can make the inside spliced pole of fixing device peg graft mutually with the both ends of wire winding board, the both sides edge fixed connection's of wire winding board rubber pad, can contact the extrusion with the inside both sides face of inserting groove, thereby avoid the wire winding board to peg graft and take place to rock inside the inserting groove.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the motor core structure of the present invention;
FIG. 3 is a schematic view of a rotor structure according to the present invention;
FIG. 4 is a schematic drawing of the fixture of the present invention in exploded and cut-away form;
FIG. 5 is a schematic view of the structure of the wire winding plate of the present invention;
fig. 6 is a schematic view of a motor casing structure according to the present invention.
In the figure: 1-motor core, 11-rotor, 12-fixing device, 13-winding board, 14-limit slot, 15-first plug hole, 16-first plug groove, 17-external thread, 18-spring, 19-plug block, 110-plug groove, 111-rotating shaft, 112-fastening ring, 113-fastening groove, 114-threaded hole, 115-hexagon nut, 116-limit bottom board, 117-plug column, 118-second plug hole, 119-second plug groove, 120-rubber pad, 121-groove, 2-motor shell, 21-stator, 22-cover board, 23-plug groove and 24-base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a permanent magnet synchronous motor rotor, motor rotor installs in motor core 1 and motor housing 2, 1 movable mounting of motor core is in motor housing 2's inside, motor core 1's inside fixed mounting has rotor 11, rotor 11's external fixed surface pegs graft and has wire winding board 13, rotor 11's both ends edge external fixed surface pegs graft and has fixing device 12, joint hole 23 has been seted up at motor housing 2's top surface center, the internal fixed surface in joint hole 23 installs stator 21, motor housing 2's top fixedly connected with apron 22, motor housing 2's bottom fixedly connected with base 24.
Specifically, the inserting grooves 110 are uniformly formed on the outer surface of the rotor 11, so that the winding board 13 can be conveniently mounted on the outer surface of the rotor 11, the rotating shafts 111 welded to the center surfaces of the two ends of the rotor 11 can be inserted into the two ends of the motor housing 2, so that the rotor 11 is conveniently limited in the motor housing 2, the external threads 17 formed on the outer surfaces of the edges of the rotating shafts 111 can enable the fixing device 12 to slide up and down on the outer surface of the rotating shafts 111, so that the hexagonal nuts 115 during the inserting process of the inserting columns 117 are fixedly inserted into the second inserting holes 118, the two ends of the winding board 13 are fixed at the two ends of the inner part of the inserting grooves 110, the limiting clamping grooves 14 formed on the inner edges of the two ends of the rotor 11 can be contracted towards the inner part of the limiting clamping grooves 14 when the clamping blocks 19 are extruded, and the springs 18 fixedly connected to the inner part of the limiting clamping grooves 14 can generate elasticity when the clamping blocks 19 are extruded, and the elastic force generated by the contraction of the spring 18 can provide power for the restoration of the initial position of the clamping block 19.
Specifically, the limiting bottom plate 116 fixedly installed inside the fixing device 12 can facilitate the top-end movable connection between the first inserting hole 15 and the external thread 17, a hexagonal nut 115 welded to the top surface of the limiting bottom plate 116, a threaded hole 114 formed in the center of the top surface in a spiral manner is in threaded fastening connection with the external thread 17 on the outer surface of the rotating shaft 111, so that the position of the fixing device 12 on the outer surface of the rotating shaft 111 can be adjusted, a fastening groove 113 formed in the edge of the bottom surface of the limiting bottom plate 116 can be movably clamped with the outer surface of the fastening ring 112, and when the hexagonal nut 115 rotates, the inserting column 117 at the bottom end is not driven to rotate together.
Specifically, second joint groove 119 that the both ends face edge of wire winding board 13 was seted up, can with the joint piece 19 looks activity joint at the inside both ends of inserting groove 110, thereby can make joint piece 19 play preliminary fixed effect to the both ends of wire winding board 13, avoid when installing wire winding board 13, other several groups of wire winding board 13 can take place to drop, the both ends face of wire winding board 13 and the second spliced eye 118 that the edge that is located second joint groove 119 was seted up, can make the inside spliced pole 117 of fixing device 12 peg graft mutually with the both ends of wire winding board 13, the both sides edge fixed connection's of wire winding board 13 rubber pad 120, can contact the extrusion with the inside both sides face of inserting groove 110, thereby avoid wire winding board 13 to peg graft and take place to rock in inserting groove 110 inside.
The outer surface of the rotor 11 is uniformly provided with inserting grooves 110, the center faces of the two ends of the rotor 11 are welded with rotating shafts 111, the outer surface of the edge of the rotating shaft 111 is provided with external threads 17, the edges of the two end faces of the rotor 11 are provided with first clamping grooves 16, the edges of the inner surface of the first clamping grooves 16 are uniformly provided with first inserting holes 15, the edges of the inner parts of the two ends of the rotor 11 are provided with limiting clamping grooves 14, the inner parts of the limiting clamping grooves 14 are fixedly connected with springs 18, the bottom ends of the springs 18 are fixedly connected with clamping blocks 19, the inner part of the fixing device 12 is fixedly provided with a limiting bottom plate 116, the top surface of the limiting bottom plate 116 is welded with a hexagonal nut 115, the center of the top surface of the hexagonal nut 115 is spirally provided with a threaded hole 114, the edge of the bottom surface of the limiting bottom plate 116 is provided with a buckling groove 113, the buckling ring 112 is movably clamped inside the buckling groove 113, the edge of the bottom surface of the buckling ring 112 is welded with inserting columns 117, the edges of the two end faces of the winding plate 13 are provided with second clamping grooves 119, the two end faces of the winding board 13 and the edge of the second clamping groove 119 are provided with second inserting holes 118, the two side edges of the winding board 13 are fixedly connected with rubber pads 120, the outer surface of the winding board 13 is provided with grooves 121, the fixing device 12 is spirally fastened with the external thread 17 on the outer surface of the rotating shaft 111 through the threaded hole 114 on the top surface of the hexagonal nut 115, the fixing device 12 is movably inserted with the hexagonal nut 115 on one end face of the rotor 11 through the inserting column 117 at the bottom end, the inserting column 117 is movably clamped with the fastening groove 113 on the bottom surface edge of the limiting bottom plate 116 through the fastening ring 112 at the top end, the winding board 13 is inserted with the outer surface of the rotor 11 through the inserting groove 110, the clamping block 19 is movably clamped with the second clamping groove 119 on one end face of the winding board 13 at the bottom end inside the limiting clamping groove 14, the inserting column 117 is inserted with the second inserting hole 118 on the top end face of the winding board 13 through the hexagonal nut 115, the winding board 13 is pressed by the rubber pads 120 on both sides to contact with both sides inside the inserting groove 110.
The working principle is as follows: when the permanent magnet synchronous motor is assembled, firstly, a lead is vertically wound on the outer surfaces of two ends of the winding plate 13, after the winding of the lead on the outer surface of the winding plate 13 is finished, a binding belt is used for binding a wound coil, so that the situation that the coil is loose on the outer surface of the winding plate 13 and the normal rotation of a rotor in a stator is influenced is avoided, then other groups of winding plates 13 are wound according to the same winding mode, after all the winding plates 13 are completely wound, the side ends of the winding plate 13 are inserted into the insertion grooves 110 on the outer surface of the rotor 11 in an aligned mode, meanwhile, two end surfaces of the winding plate 13 can extrude the clamping blocks 19 to shrink towards the inside of the limiting clamping grooves 14, the springs 18 on the upper surface shrink to generate elastic force until the clamping blocks 19 are clamped with the second clamping grooves 119 on one end surface of the winding plate 13, and when two side surfaces of the winding plate 13 are inserted into the insertion grooves 110, the rubber pads 120 on the two side surfaces of the winding board 13 are squeezed and shrunk by the two side surfaces inside the inserting groove 110, so that the winding board 13 is not shaken after being inserted into the inserting groove 110, then other groups of winding boards 13 are installed according to the same inserting method, after all the winding boards 13 are inserted into the outer surface of the rotor 11, the hexagonal nuts 115 on the outer surfaces of the rotating shafts 111 on the two ends of the rotor 11 are rotated to slide on the outer surface of the rotating shafts 111, and the fixing device 12 is made to approach to the two end surfaces of the rotor 11, when the hexagonal nuts 115 are rotated, the fastening grooves 113 on the bottom surface of the limiting bottom plate 116 are driven to rotate on the outer surface of the fastening ring 112, and the inserting columns 117 at the bottom end are pushed to be inserted into the first inserting holes 15 on the one end surface of the rotor 11, and simultaneously the inserting columns 117 penetrate through the first inserting holes 15 to be inserted into the second inserting holes 118 on the one end surface of the winding board 13, so that the two ends of the winding board 13 wound with the coil are fixed on the outer surface of the rotor 11, accomplish the quick winding of rotor 11 surface coil, through making winder 13 and rotor 11 separation, twine the coil to the surface of winder 13 alone, can improve the work efficiency that the coil was fixed at rotor 11 surface.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a permanent magnet synchronous motor rotor, motor rotor installs in motor core (1) and motor casing (2), its characterized in that: the motor core (1) is movably arranged inside the motor shell (2), a rotor (11) is fixedly arranged inside the motor core (1), a winding board (13) is fixedly inserted into the outer surface of the rotor (11), fixing devices (12) are fixedly inserted into the outer surface edges of two ends of the rotor (11), a clamping hole (23) is formed in the center of the top surface of the motor shell (2), a stator (21) is fixedly arranged on the inner surface of the clamping hole (23), the top end of the motor shell (2) is fixedly connected with a cover plate (22), and the bottom end of the motor shell (2) is fixedly connected with a base (24);
inserting grooves (110) are uniformly formed in the outer surface of the rotor (11), rotating shafts (111) are welded on the center faces of two ends of the rotor (11), external threads (17) are formed in the outer surface of the edge of each rotating shaft (111), first clamping grooves (16) are formed in the edges of two end faces of the rotor (11), first inserting holes (15) are uniformly formed in the edges of the inner surface of each first clamping groove (16), limiting clamping grooves (14) are formed in the inner edges of two ends of the rotor (11), springs (18) are fixedly connected inside the limiting clamping grooves (14), and clamping blocks (19) are fixedly connected to the bottom ends of the springs (18);
the inside fixed mounting of fixing device (12) has spacing bottom plate (116), the top surface welding of spacing bottom plate (116) has hexagon nut (115), threaded hole (114) have been seted up to the top surface center spiral of hexagon nut (115), fastening groove (113) have been seted up at the bottom surface edge of spacing bottom plate (116), the inside activity joint in fastening groove (113) has fastening ring (112), the bottom surface edge welding of fastening ring (112) has grafting post (117).
2. A rotor for a permanent magnet synchronous motor according to claim 1, characterized in that: second clamping grooves (119) are formed in the edges of two end faces of the winding board (13), second inserting holes (118) are formed in the edges, located in the second clamping grooves (119), of the two end faces of the winding board (13), rubber pads (120) are fixedly connected to the edges of two sides of the winding board (13), and grooves (121) are formed in the outer surface of the winding board (13).
3. A rotor for a permanent magnet synchronous motor according to claim 1, characterized in that: the fixing device (12) is in threaded fastening connection with an external thread (17) on the outer surface of the rotating shaft (111) through a threaded hole (114) in the top surface of a hexagonal nut (115), the fixing device (12) is movably inserted into a first insertion hole (15) in one end face of the rotor (11) through an insertion column (117) at the bottom end, and the insertion column (117) is movably clamped with a buckling groove (113) in the edge of the bottom surface of the limiting bottom plate (116) through a buckling ring (112) at the top end.
4. A rotor for a permanent magnet synchronous motor according to claim 2, characterized in that: the winding board (13) is connected with the outer surface of the rotor (11) in an inserting mode through the inserting groove (110), and the clamping block (19) is movably clamped with the second clamping groove (119) in one end face of the winding board (13) at the bottom end of the limiting clamping groove (14).
5. A rotor for a permanent magnet synchronous motor according to claim 1, characterized in that: the plug-in post (117) is plugged with a second plug-in hole (118) on the top end face of the winding plate (13).
6. A rotor for a permanent magnet synchronous motor according to claim 2, characterized in that: the winding plate (13) is in contact extrusion with two inner side surfaces of the inserting groove (110) through rubber pads (120) on the two side surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011444821.6A CN112636502B (en) | 2020-12-08 | 2020-12-08 | Permanent magnet synchronous motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011444821.6A CN112636502B (en) | 2020-12-08 | 2020-12-08 | Permanent magnet synchronous motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112636502A CN112636502A (en) | 2021-04-09 |
| CN112636502B true CN112636502B (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011444821.6A Active CN112636502B (en) | 2020-12-08 | 2020-12-08 | Permanent magnet synchronous motor rotor |
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| Country | Link |
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| CN (1) | CN112636502B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116599299B (en) * | 2022-03-03 | 2024-03-15 | 江苏沃尔森电子科技有限公司 | Brushless motor stator mounting structure |
| CN117240031B (en) * | 2023-11-14 | 2024-01-26 | 江苏扬子鑫福造船有限公司 | Assembly auxiliary device and assembly method for loose coil of shaft generator |
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| CN107370255A (en) * | 2017-07-27 | 2017-11-21 | 日立电梯电机（广州）有限公司 | Wound stator structure and motor |
| CN207098787U (en) * | 2017-07-21 | 2018-03-13 | 深圳市森发扬五金有限公司 | Piecemeal rotor |
| CN208299556U (en) * | 2018-05-02 | 2018-12-28 | 福安市格林机电有限公司 | A kind of novel three-phase asynchronous motor rotor core |
| CN208797693U (en) * | 2018-07-25 | 2019-04-26 | 常州宝龙电机有限公司 | Plug-in type rotor |
| CN209184323U (en) * | 2019-01-08 | 2019-07-30 | 浙江物产中大电机铁芯制造有限公司 | A kind of motor stamping |
| CN210839260U (en) * | 2019-12-27 | 2020-06-23 | 无锡市伟易捷汽车部件有限公司 | Automobile generator rotor shaft-inserting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4670942B2 (en) * | 2008-11-21 | 2011-04-13 | トヨタ自動車株式会社 | Rotating electric machine |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207098787U (en) * | 2017-07-21 | 2018-03-13 | 深圳市森发扬五金有限公司 | Piecemeal rotor |
| CN107370255A (en) * | 2017-07-27 | 2017-11-21 | 日立电梯电机（广州）有限公司 | Wound stator structure and motor |
| CN208299556U (en) * | 2018-05-02 | 2018-12-28 | 福安市格林机电有限公司 | A kind of novel three-phase asynchronous motor rotor core |
| CN208797693U (en) * | 2018-07-25 | 2019-04-26 | 常州宝龙电机有限公司 | Plug-in type rotor |
| CN209184323U (en) * | 2019-01-08 | 2019-07-30 | 浙江物产中大电机铁芯制造有限公司 | A kind of motor stamping |
| CN210839260U (en) * | 2019-12-27 | 2020-06-23 | 无锡市伟易捷汽车部件有限公司 | Automobile generator rotor shaft-inserting device |
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| CN112636502A (en) | 2021-04-09 |
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Effective date of registration: 20211021 Address after: 323000 Jinniu street, Bi Hu Town, Liandu District, Lishui, Zhejiang, 798 Applicant after: ZHEJIANG YUNLIANG TECHNOLOGY Co.,Ltd. Address before: 230000 science and technology innovation center of Taohua Industrial Park, economic development zone, Hefei City, Anhui Province Applicant before: Kang Meng |
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Denomination of invention: A permanent magnet synchronous motor rotor Effective date of registration: 20220902 Granted publication date: 20211105 Pledgee: CITIC Bank Limited by Share Ltd. Lishui branch Pledgor: ZHEJIANG YUNLIANG TECHNOLOGY CO.,LTD. Registration number: Y2022980014339 |