CN106953477B - Permanent magnet motor device - Google Patents
Permanent magnet motor device Download PDFInfo
- Publication number
- CN106953477B CN106953477B CN201710311653.5A CN201710311653A CN106953477B CN 106953477 B CN106953477 B CN 106953477B CN 201710311653 A CN201710311653 A CN 201710311653A CN 106953477 B CN106953477 B CN 106953477B
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- CN
- China
- Prior art keywords
- permanent magnet
- transmission shaft
- clamping
- rotor yoke
- pressing plate
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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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a permanent magnet motor device, which comprises a device body, wherein a stepped transmission shaft which is transversely arranged is arranged in the device body, a shaft sleeve and a rotor yoke are respectively nested on the stepped transmission shaft, the shaft sleeve is arranged on one side of the rotor yoke, a supporting plate is further arranged between the shaft sleeve and the rotor yoke, a plurality of permanent magnets and permanent magnet pressing plates which are distributed at equal intervals are respectively arranged on the peripheral surface of the rotor yoke, the permanent magnet pressing plates are arranged between the adjacent permanent magnets, a permanent magnet cross beam which is transversely arranged is arranged outside the permanent magnets, a plurality of exciting coils are wound on the permanent magnet cross beam, and one end of the permanent magnet cross beam is in matched contact with the supporting plate. The invention realizes the functions of guiding and fixing in an integrated manner in the assembly process of the permanent magnet, is rapid and simple to install, and overcomes the defects that the pressing plate is fixed by a screw and the assembly needs guiding in the prior art.
Description
Technical Field
The invention relates to a permanent magnet motor device, and belongs to the technical field of magnet installation.
Background
The permanent magnet is usually assembled by gluing to the rotor yoke and then pressing by a pressing plate, but the existing pressing plate is designed as follows: the pressing plate is fixed by a screw, and a guide is required to be arranged independently in the assembly process. In this way, the technical problems of low efficiency and insufficient assembly precision of the permanent magnet are generated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, solve the technical problems, and provide a permanent magnet motor device which integrates guiding and fixing into a whole and is rapid and convenient to install.
The invention adopts the following technical scheme: the permanent magnet motor device is characterized by comprising a device body, wherein a stepped transmission shaft which is transversely arranged is arranged in the device body, a shaft sleeve and a rotor yoke are respectively nested on the stepped transmission shaft, the shaft sleeve is arranged on one side of the rotor yoke, a supporting plate is further arranged between the shaft sleeve and the rotor yoke, a plurality of permanent magnets and permanent magnet pressing plates which are distributed at equal intervals are respectively arranged on the peripheral surface of the rotor yoke, the permanent magnet pressing plates are arranged between the adjacent permanent magnets, a permanent magnet cross beam which is transversely arranged is arranged outside the permanent magnets, a plurality of exciting coils are wound on the permanent magnet cross beam, and one end of the permanent magnet cross beam is in matched contact with the supporting plate;
a plurality of equally-spaced pressure plate mounting grooves are formed in the outer peripheral surface of the rotor magnetic yoke, external threads are engraved on the side walls of the pressure plate mounting grooves, and the side walls of the pressure plate mounting grooves are connected with the lower parts of the permanent magnet pressure plates through threads;
the permanent magnet pressing plate comprises a clamping limiting part arranged at the upper part and a connecting and fixing part arranged at the lower part, wherein the clamping limiting part is fixedly connected with the connecting and fixing part, the clamping limiting part is in clamping connection with the adjacent permanent magnet, connecting threads are carved on the outer surface of the connecting and fixing part, and the connecting and fixing part is in threaded connection with the rotor yoke through the connecting threads;
the periphery of the clamping limiting part is provided with a clamping oblique side matched with the permanent magnet, two sides of the permanent magnet are provided with magnet clamping surfaces, and the magnet clamping surfaces are in clamping connection with the clamping oblique side;
the top end of the clamping limiting part is also provided with a tightening groove, and the tightening groove is in the shape of an inner hexagonal groove or an inner cross groove;
and a damping spring piece is further arranged between the supporting plate and the step transmission shaft, and the damping spring piece is arranged on the outer side of the step transmission shaft in a surrounding mode.
As a preferred embodiment, a stepped transmission shaft hole matched with the stepped transmission shaft is formed in the rotor magnetic yoke, and the stepped transmission shaft hole is fixedly connected with the stepped transmission shaft.
As a preferred embodiment, the stepped transmission shaft hole is provided with transmission keyways which are transversely distributed, and the transmission keyways are internally provided with matched transmission keys.
As a preferred embodiment, the bottom of the permanent magnet is provided with an arc-shaped magnet bonding surface, and the magnet bonding surface is bonded with the outer peripheral surface of the rotor yoke through glue.
As a preferred embodiment, the outer side of the shaft sleeve is provided with an end cover for dust protection, and the end cover is fixedly connected with the supporting plate.
The invention has the beneficial effects that: according to the invention, the permanent magnet pressing plate is connected with the pressing plate mounting groove on the rotor magnetic yoke through the screw threads by screwing the tightening groove by a tool, so that the permanent magnet pressing plate is fixed with the rotor magnetic yoke, the permanent magnet pressing plate plays a guiding role, then the permanent magnet is bonded with the outer peripheral surface of the rotor magnetic yoke through glue, and finally the permanent magnet is matched and fixed with the magnet clamping surface on the permanent magnet through the clamping bevel edge on the permanent magnet pressing plate, so that the functions of guiding and fixing the permanent magnet and the rotor magnetic yoke in the assembly process of the permanent magnet pressing plate are realized, the installation is quick and simple, the defect that the pressing plate is fixed by a screw in the prior art, and the assembly needs guiding is overcome, and the assembly efficiency and the assembly precision are high.
Drawings
Fig. 1 is a schematic view of the overall assembly structure of the present invention.
Fig. 2 is a schematic diagram of the installation and cooperation of the permanent magnet pressing plate, the permanent magnet and the rotor yoke of the invention.
Fig. 3 is a schematic structural view of a cross-sectional view in the direction B-B of fig. 2.
Fig. 4 is a schematic structural view of the rotor yoke of the present invention.
Fig. 5 is a schematic structural view of the left view of fig. 4.
Fig. 6 is a schematic structural view of a permanent magnet platen of the present invention.
Fig. 7 is a schematic structural view of the permanent magnet of the present invention.
Fig. 8 is a schematic structural view of the a-direction view of fig. 7.
The meaning of the labels in the figures: the device comprises a device body, a 2-step transmission shaft, a 3-rotor magnetic yoke, a 4-permanent magnet pressing plate, a 5-permanent magnet, a 6-permanent magnet beam, a 7-exciting coil, an 8-supporting plate, a 9-shaft sleeve, a 10-end cover, an 11-damping spring piece, a 12-transmission key, a 31-pressing plate mounting groove, a 32-step transmission shaft hole, a 33-transmission key slot, a 41-clamping limiting part, a 42-connection fixing part, a 43-clamping oblique edge, a 44-connection thread, a 45-screwing groove, a 51-magnet bonding surface and a 52-magnet clamping surface.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Fig. 1 is a schematic diagram of an overall assembly structure of the permanent magnet motor device, the device comprises a device body 1, a step transmission shaft 2 transversely arranged is arranged in the device body 1, a shaft sleeve 9 and a rotor yoke 3 are respectively arranged on the step transmission shaft 2 in a nested manner, the shaft sleeve 9 is arranged on one side of the rotor yoke 3, a supporting plate 8 is also arranged between the shaft sleeve 9 and the rotor yoke 3, a plurality of permanent magnets 5 and permanent magnet pressing plates 4 which are distributed at equal intervals are respectively arranged on the peripheral surface of the rotor yoke 3, the permanent magnet pressing plates 4 are arranged between adjacent permanent magnets 5, permanent magnet cross beams 6 transversely arranged are arranged outside the permanent magnets 5, a plurality of exciting coils 7 are wound on the permanent magnet cross beams 6, and one ends of the permanent magnet cross beams 6 are in matched contact with the supporting plate 8; fig. 2 is a schematic diagram of installation and matching of a permanent magnet pressing plate, a permanent magnet and a rotor yoke of the invention, fig. 3 is a schematic diagram of a structure of a cross section in the direction B-B of fig. 2, a plurality of equally spaced pressing plate installation grooves 31 are formed on the outer peripheral surface of the rotor yoke 3, external threads are carved on the side walls of the pressing plate installation grooves 31, and the side walls of the pressing plate installation grooves 31 are connected with the lower part of the permanent magnet pressing plate 4 by adopting threads; fig. 6 is a schematic structural view of a permanent magnet pressing plate according to the present invention, wherein the permanent magnet pressing plate 4 includes a clamping and limiting portion 41 disposed at an upper portion and a connecting and fixing portion 42 disposed at a lower portion, the clamping and limiting portion 41 is fixedly connected with the connecting and fixing portion 42, the clamping and limiting portion 41 is in clamping connection with an adjacent permanent magnet 5, a connecting thread 44 is engraved on an outer surface of the connecting and fixing portion 42, and the connecting and fixing portion 42 is in threaded connection with a rotor yoke 3 through the connecting thread 44; the periphery of the clamping limiting part 41 is provided with a clamping oblique side 43 matched with the permanent magnet 5, two sides of the permanent magnet 5 are provided with magnet clamping surfaces 52, and the magnet clamping surfaces 52 are in clamping connection with the clamping oblique side 43; the top end of the clamping limiting part 41 is also provided with a tightening groove 45, and the tightening groove 45 is in the shape of an inner hexagonal groove or an inner cross groove; still be provided with annular damping spring piece 11 between backup pad 8 and the step transmission shaft 2, damping spring piece 11 encircles the outside that sets up in step transmission shaft 2 for reduce the impact that permanent magnet crossbeam 6 caused backup pad 8 and axle sleeve 9, this damping spring piece 11 adopts non-magnetic material, prevents to produce the interference to existing magnetic field.
Fig. 4 is a schematic structural view of the rotor yoke of the present invention. Fig. 5 is a schematic structural view of the left view of fig. 4. As a preferred embodiment, a stepped transmission shaft hole 32 matched with the stepped transmission shaft 2 is formed in the rotor yoke 3, and the stepped transmission shaft hole 32 is fixedly connected with the stepped transmission shaft 2.
As a preferred embodiment, the stepped drive shaft bore 32 is provided with transversely extending drive keyways 33, and the drive keyways 33 are provided with cooperating drive keys 12.
Fig. 7 is a schematic structural view of the permanent magnet of the present invention. Fig. 8 is a schematic structural view of the a-direction view of fig. 7. As a preferred embodiment, the bottom of the permanent magnet 5 is provided with an arc-shaped magnet bonding surface 51, and the magnet bonding surface 51 is bonded to the outer peripheral surface of the rotor yoke 3 by glue.
As a preferred embodiment, an end cover 10 for dust protection is provided on the outer side of the sleeve 9, and the end cover 10 is fixedly connected with the support plate 8.
The working principle of the invention is as follows: the permanent magnet pressing plate 4 is connected with the pressing plate mounting groove 31 on the rotor magnetic yoke 3 through threads by screwing the tightening groove 45 by a tool, so that the permanent magnet pressing plate 4 is fixed with the rotor magnetic yoke 3, the permanent magnet pressing plate 4 plays a guiding role, then the permanent magnet 5 is bonded with the outer peripheral surface of the rotor magnetic yoke 3 through glue, and finally the permanent magnet pressing plate 4 is matched and fixed with the magnet clamping surface 52 on the permanent magnet 5 through the clamping bevel edge 43 on the permanent magnet pressing plate 4, so that the functions of guiding and fixing the permanent magnet 5, the rotor magnetic yoke 3 and the permanent magnet pressing plate 4 together are realized, and the installation is rapid and simple.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (5)
1. The utility model provides a permanent magnet motor device, its characterized in that includes device body (1), the inside of device body (1) is provided with step transmission shaft (2) of transversely arranging, be provided with axle sleeve (9), rotor yoke (3) on step transmission shaft (2) respectively the nestification, axle sleeve (9) set up in one side of rotor yoke (3), still be provided with backup pad (8) between axle sleeve (9) and rotor yoke (3), be provided with a plurality of equidistant permanent magnets (5) on rotor yoke (3)'s the outer peripheral face respectively, permanent magnet clamp plate (4) set up between adjacent permanent magnet (5), the outside of permanent magnet (5) is provided with permanent magnet crossbeam (6) of transversely arranging, the winding is provided with a plurality of exciting coil (7) on permanent magnet crossbeam (6), one end of permanent magnet crossbeam (6) with backup pad (8) cooperatees the contact;
a plurality of equally spaced pressing plate mounting grooves (31) are formed in the outer peripheral surface of the rotor magnetic yoke (3), external threads are engraved on the side walls of the pressing plate mounting grooves (31), and the side walls of the pressing plate mounting grooves (31) are in threaded connection with the lower parts of the permanent magnet pressing plates (4);
the permanent magnet pressing plate (4) comprises a clamping limiting part (41) arranged at the upper part and a connecting fixing part (42) arranged at the lower part, wherein the clamping limiting part (41) is fixedly connected with the connecting fixing part (42), the clamping limiting part (41) is in clamping connection with the adjacent permanent magnet (5), connecting threads (44) are carved on the outer surface of the connecting fixing part (42), and the connecting fixing part (42) is in threaded connection with the rotor magnetic yoke (3) through the connecting threads (44);
the periphery of the clamping limiting part (41) is provided with a clamping bevel edge (43) matched with the permanent magnet (5), two sides of the permanent magnet (5) are provided with magnet clamping surfaces (52), and the magnet clamping surfaces (52) are in clamping connection with the clamping bevel edge (43);
a tightening groove (45) is further formed in the top end of the clamping limiting part (41), and the tightening groove (45) is in the shape of an inner hexagonal groove or an inner cross groove;
and a damping spring piece (11) is further arranged between the supporting plate (8) and the step transmission shaft (2), and the damping spring piece (11) is arranged on the outer side of the step transmission shaft (2) in a surrounding mode.
2. The permanent magnet motor device according to claim 1, wherein a stepped transmission shaft hole (32) matched with the stepped transmission shaft (2) is formed in the rotor yoke (3), and the stepped transmission shaft hole (32) is fixedly connected with the stepped transmission shaft (2).
3. Permanent magnet motor device according to claim 2, characterized in that the stepped drive shaft bore (32) is provided with transversely distributed drive keyways (33), and the drive keyways (33) are internally provided with matched drive keys (12).
4. Permanent magnet motor device according to claim 1, characterized in that the bottom of the permanent magnet (5) is provided with an arc-shaped magnet bonding surface (51), which magnet bonding surface (51) is bonded to the outer circumferential surface of the rotor yoke (3) by means of glue.
5. Permanent magnet motor device according to claim 1, characterized in that an end cap (10) for dust protection is arranged on the outside of the sleeve (9), which end cap (10) is fixedly connected with the support plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311653.5A CN106953477B (en) | 2017-05-05 | 2017-05-05 | Permanent magnet motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311653.5A CN106953477B (en) | 2017-05-05 | 2017-05-05 | Permanent magnet motor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106953477A CN106953477A (en) | 2017-07-14 |
| CN106953477B true CN106953477B (en) | 2023-09-26 |
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ID=59478238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311653.5A Active CN106953477B (en) | 2017-05-05 | 2017-05-05 | Permanent magnet motor device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106953477B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118298Y (en) * | 2007-03-26 | 2008-09-17 | 深圳市金奇稀土电机有限公司 | Driving motor permanent magnetic rotor for electric car |
| CN201966772U (en) * | 2011-01-14 | 2011-09-07 | 北京运通恒昌驱动技术有限公司 | Double-fixed-connection type rotor of DC brushless motor |
| CN202495817U (en) * | 2012-04-01 | 2012-10-17 | 江西特种电机股份有限公司 | Novel positioner for magnetic steel |
| CN203562860U (en) * | 2013-09-12 | 2014-04-23 | 西尼电梯(杭州)有限公司 | An elevator outer rotor traction machine permanent magnet fixing apparatus |
| CN104333158A (en) * | 2014-10-11 | 2015-02-04 | 镇江中船现代发电设备有限公司 | Permanent magnet motor rotor structure |
| CN206948149U (en) * | 2017-05-05 | 2018-01-30 | 苏州蒙特纳利驱动设备有限公司 | Paste the novel pressboard device of permanent magnet |
-
2017
- 2017-05-05 CN CN201710311653.5A patent/CN106953477B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118298Y (en) * | 2007-03-26 | 2008-09-17 | 深圳市金奇稀土电机有限公司 | Driving motor permanent magnetic rotor for electric car |
| CN201966772U (en) * | 2011-01-14 | 2011-09-07 | 北京运通恒昌驱动技术有限公司 | Double-fixed-connection type rotor of DC brushless motor |
| CN202495817U (en) * | 2012-04-01 | 2012-10-17 | 江西特种电机股份有限公司 | Novel positioner for magnetic steel |
| CN203562860U (en) * | 2013-09-12 | 2014-04-23 | 西尼电梯(杭州)有限公司 | An elevator outer rotor traction machine permanent magnet fixing apparatus |
| CN104333158A (en) * | 2014-10-11 | 2015-02-04 | 镇江中船现代发电设备有限公司 | Permanent magnet motor rotor structure |
| CN206948149U (en) * | 2017-05-05 | 2018-01-30 | 苏州蒙特纳利驱动设备有限公司 | Paste the novel pressboard device of permanent magnet |
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| Publication number | Publication date |
|---|---|
| CN106953477A (en) | 2017-07-14 |
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