CN213027592U - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
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- CN213027592U CN213027592U CN202022218542.XU CN202022218542U CN213027592U CN 213027592 U CN213027592 U CN 213027592U CN 202022218542 U CN202022218542 U CN 202022218542U CN 213027592 U CN213027592 U CN 213027592U
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Abstract
The utility model provides a permanent magnet synchronous motor belongs to motor technical field. It has solved the not good problem of current PMSM shock attenuation effect. This PMSM, including the motor main part that has the motor cabinet, this motor cabinet comprises the supporting foot seat that two symmetries set up, be provided with the mounting plate who supplies two supporting legs to install under the motor main part, the up end of mounting plate is located the both sides of motor main part and all is provided with the mounting panel that two symmetries set up and restrict the motor main part position, all set up the mounting groove that supplies corresponding supporting foot seat installation on the inside wall on the mounting panel, be provided with between the tank bottom surface of the mounting groove in the mounting panel and the corresponding supporting foot seat and link firmly mutually and play buffering absorbing elastic element with the mounting panel. The utility model has the advantages of buffering shock attenuation is effectual.
Description
Technical Field
The utility model belongs to the technical field of the motor, a PMSM is related to.
Background
The permanent magnet synchronous motor is formed by embedding rare earth magnetic steel into the inner side of a rotor side squirrel cage on the basis of an asynchronous motor. From the rated efficiency of a single traction motor, the asynchronous motor is 90-92%, while the permanent magnet synchronous motor is 95-97% and is 3-5% higher than the asynchronous motor. The main reasons are that: the rotor of the permanent magnet synchronous motor passes no current, so the rotor has almost no loss compared with an asynchronous motor. The current permanent-magnet machine generally can set up the base in its bottom for making the operation of permanent magnetism stable, but current base does not generally possess the function of shock attenuation buffering when using, can not prevent that the motor from rocking, influences permanent-magnet synchronous motor's use easily, causes permanent-magnet synchronous motor's damage even.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a PMSM with shock attenuation buffering effect.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a permanent magnet synchronous motor, includes the motor main part that has the motor cabinet, this motor cabinet comprises the supporting foot seat that two symmetries set up, its characterized in that, motor main part be provided with the mounting plate who supplies two supporting legs installations under, the both sides that mounting plate's up end lies in motor main part all be provided with the mounting panel that two symmetries set up and restrict motor main part position, the mounting panel on the inside wall on all set up the mounting groove that supplies corresponding supporting foot seat installation, be provided with between the tank bottom surface of the mounting groove in the mounting panel and the corresponding supporting foot seat and link firmly mutually and play buffering absorbing elastic element with the mounting panel.
In the above permanent magnet synchronous motor, the upper end surface of the mounting base plate is provided with two symmetrically arranged mounting laths which are fixedly connected with the corresponding mounting plates respectively, and the length of each mounting lath is greater than that of each mounting plate.
In the above permanent magnet synchronous motor, the lower surfaces of the two mounting plates at the two ends are provided with the protrusions which protrude downwards in the axial direction and are embedded into the mounting base plate, and the mounting base plate at the corresponding protrusions is provided with the moving grooves for the corresponding protrusions to move in the axial direction.
In foretell PMSM, the quantity of mounting groove on the mounting panel be two, two the support foot stool sets up respectively on corresponding installation lath, two be provided with between support foot stool and the corresponding installation lath and have elastic buffering strip, two support foot stool orientation is corresponding to the mounting panel, and is provided with on the lateral wall that is located corresponding mounting groove and imbeds corresponding mounting groove to with the embedding piece that corresponding support foot stool linked firmly mutually, the embedding piece all set up in the top of corresponding elastic unit.
In the above permanent magnet synchronous motor, the mounting plate is located corresponding mounting groove and is provided with a limiting structure along the groove length direction, the limiting structure comprises a limiting block, and two side walls of the limiting block are respectively provided with a limiting bulge which is axially outwards bulged and is embedded into the corresponding mounting plate.
In the permanent magnet synchronous motor, the elastic unit is a buffer spring, and a buffer plate attached to the upper end surface of the buffer spring is arranged on the upper end surface of the buffer spring.
In the above permanent magnet synchronous motor, the upper end surface of the supporting foot seat is provided with mounting strip grooves arranged along the length direction, the buffer strip is also provided with mounting strip grooves correspondingly arranged with the mounting strip grooves on the corresponding supporting foot seat, and the mounting strip is provided with a plurality of threaded holes arranged at intervals along the length direction.
Compared with the prior art, the permanent magnet synchronous motor has the following advantages:
1. the buffer structure is arranged below the supporting foot seat, and the elastic unit is arranged in the buffer structure, so that the vibration of the motor can be reduced in the working process, and the normal use of the motor is ensured.
Drawings
Fig. 1 is an exploded view of the present permanent magnet synchronous motor at the installation base plate.
Fig. 2 is a schematic perspective view of a motor body in the permanent magnet synchronous motor.
In the figure, 1, a motor main body; 2. a supporting foot seat; 3. mounting a bottom plate; 4. mounting a plate; 5. mounting grooves; 6. an elastic unit; 7. installing a batten; 8. a boss portion; 9. a moving groove; 10. a buffer strip; 11. embedding a block; 12. a limiting block; 13. a limiting bulge; 14. a buffer plate; 15. installing a strip groove; 16. a threaded bore.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the permanent magnet synchronous motor comprises a motor main body 1 with a motor base and a junction box arranged on the motor main body 1, wherein the motor base is composed of two symmetrically arranged supporting foot seats 2, a mounting bottom plate 3 for mounting two supporting feet is arranged under the motor main body 1, two mounting plates 4 which are symmetrically arranged and limit the position of the motor main body 1 are arranged on the upper end surfaces of the mounting bottom plates 3 and are positioned on the two sides of the motor main body 1, mounting grooves 5 for mounting the corresponding supporting foot seats 2 are arranged on the inner side walls of the mounting plates 4 and are positioned at the corresponding supporting foot seats 2, elastic units 6 which are fixedly connected with the mounting plates 4 and play a role in buffering and shock absorption are arranged between the bottom surfaces of the mounting grooves 5 in the mounting plates 4 and the corresponding supporting foot seats 2, the number of the mounting grooves 5 on the mounting plates 4 is two, and the mounting grooves 5 extend from the upper end surfaces of the, and does not extend out of the lower end surface of the mounting plate 4, the number of the elastic units 6 in each mounting plate 4 is two and is respectively arranged in the corresponding mounting grooves 5, the two supporting foot seats 2 are respectively arranged on the corresponding mounting laths 7, elastic buffer strips 10 are arranged between the two supporting foot seats 2 and the corresponding mounting laths 7, the two supporting foot seats 2 face the corresponding mounting plate 4, the side wall at the corresponding mounting groove 5 is provided with an embedded block 11 which is axially slid and embedded into the corresponding mounting groove 5 and is fixedly connected with the corresponding supporting foot seat 2, the embedded block 11 is arranged above the corresponding elastic unit 6, the thickness of the buffer strip 10 is set according to the actual requirement, the elastic units 6 are buffer springs, the upper end surface of each buffer spring is provided with a buffer plate 14 which is attached with the buffer spring and is abutted against the embedded block 11, the two ends of the buffer spring are fixedly connected with the bottom surface of the corresponding mounting groove 5 in the mounting plate 4 and the end surface of the buffer plate 14 attached to the buffer spring, and the side wall of the buffer plate 14 facing the mounting plate 4 is slidably attached to the side wall of the corresponding mounting groove 5 in the mounting plate 4.
To put it more concretely, in order to facilitate the installation of the motor main bodies 1 of different sizes, the upper end surface of the installation base plate 3 is provided with two installation laths 7 which are symmetrically arranged and are respectively and fixedly connected with the corresponding installation plates 4, the length of the installation lath 7 is larger than that of the installation plate 4, the installation lath 7 and the installation base plate 4 are integrally arranged, the installation laths 7 and the installation base plate 3 are fixedly connected through screws, the lower surfaces of the two installation plates 4 at the two end parts are provided with protrusions 8 which axially protrude downwards and are embedded into the installation base plate 3, the installation base plate 3 at the corresponding protrusions 8 is provided with moving grooves 9 for axially moving the corresponding protrusions 8, the maximum distance between the two moving grooves 9 is smaller than that of the installation lath 7, one side surface of the installation base plate 3 at the moving grooves 9 is provided with a plurality of threaded holes 16 which are arranged along the length direction and are, so that the spacing between the two mounting straps 7 can be adjusted according to the size of the motor body 1.
In order to prevent the axial movement of the support leg base during vibration, the mounting plate 4 is provided with a limiting structure along the length direction of the mounting groove 5 corresponding to the mounting groove, the limiting structure comprises a limiting block 12, two side walls of the limiting block 12 are respectively provided with a limiting bulge 13 which is axially outwards bulged and is embedded into the side wall of the corresponding mounting plate 4 corresponding to the mounting groove 5, a buffer sheet is arranged between the limiting block 12 and the corresponding embedded block 11, a fixed block which is fixedly connected with the mounting plate 4 and is abutted against the limiting block 12 is arranged at the notch of the mounting plate 4 corresponding to the mounting groove 5, the thickness of the fixed block is set according to the actual assembly condition, the fixed block has the function of buffering and damping and simultaneously prevents the axial movement, the upper end surface of the support leg base 2 is provided with a mounting strip groove 15 along the length direction of the support leg base, the buffering strip 10 is also provided with a mounting strip groove 15 corresponding to the mounting strip groove 15 on, the mounting lath 7 is provided with a plurality of threaded holes 16 arranged at intervals along the length direction.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a permanent magnet synchronous motor, is including motor main part (1) that has the motor cabinet, and this motor cabinet comprises support foot rest (2) that two symmetries set up, its characterized in that, motor main part (1) under be provided with mounting plate (3) that supply two supporting legs to install, the up end of mounting plate (3) be located the both sides of motor main part (1) and all be provided with mounting panel (4) that two symmetries set up and restrict motor main part (1) position, mounting panel (4) on the inside wall on all set up mounting groove (5) that supply corresponding support foot rest (2) to install, be provided with between the tank bottom surface of mounting groove (5) in mounting panel (4) and corresponding support foot rest (2) and link firmly and play shock attenuation elastic element (6) that cushion mutually with mounting panel (4).
2. The permanent magnet synchronous motor according to claim 1, wherein two symmetrically arranged mounting laths (7) fixedly connected with the corresponding mounting plate (4) are arranged on the upper end surface of the mounting base plate (3), and the length of the mounting laths (7) is greater than that of the mounting plate (4).
3. The permanent magnet synchronous motor according to claim 1, wherein the lower surfaces of the two mounting plates (4) at the two ends are provided with protrusions (8) which protrude downwards in the axial direction and are embedded in the mounting base plate (3), and the mounting base plate (3) at the corresponding protrusions (8) is provided with moving grooves (9) for the corresponding protrusions (8) to move in the axial direction.
4. The PMSM of claim 1, wherein the number of the mounting grooves (5) on the mounting plate (4) is two, two of the supporting foot seats (2) are respectively arranged on the corresponding mounting plate strips (7), an elastic buffer strip (10) is arranged between the two supporting foot seats (2) and the corresponding mounting plate strips (7), the two supporting foot seats (2) face the corresponding mounting plate (4), an embedding block (11) is arranged on the side wall of the corresponding mounting groove (5) and embedded into the corresponding mounting groove (5) and fixedly connected with the corresponding supporting foot seat (2), and the embedding block (11) is arranged above the corresponding elastic unit (6).
5. The permanent magnet synchronous motor according to claim 1, wherein the mounting plate (4) is provided with a limiting structure along the length direction of the mounting groove (5), the limiting structure comprises a limiting block (12), and two side walls of the limiting block (12) are provided with limiting protrusions (13) which protrude outwards in the axial direction and are embedded into the corresponding mounting plate (4).
6. A permanent magnet synchronous machine according to claim 1, characterized in that the elastic unit (6) is a buffer spring, and the upper end surface of the buffer spring is provided with a buffer plate (14) attached to the buffer spring.
7. The permanent magnet synchronous motor according to claim 4, wherein the upper end surface of the supporting foot seat (2) is provided with mounting bar grooves (15) arranged along the length direction of the supporting foot seat, the buffer bar (10) is also provided with mounting bar grooves (15) arranged corresponding to the mounting bar grooves (15) on the supporting foot seat (2), and the mounting bar strip (7) is provided with a plurality of threaded holes (16) arranged at intervals along the length direction of the mounting bar strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022218542.XU CN213027592U (en) | 2020-09-30 | 2020-09-30 | Permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022218542.XU CN213027592U (en) | 2020-09-30 | 2020-09-30 | Permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213027592U true CN213027592U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022218542.XU Active CN213027592U (en) | 2020-09-30 | 2020-09-30 | Permanent magnet synchronous motor |
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| CN (1) | CN213027592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309934A (en) * | 2021-05-11 | 2021-08-27 | 诠航科技有限公司 | Tunnel machine |
-
2020
- 2020-09-30 CN CN202022218542.XU patent/CN213027592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309934A (en) * | 2021-05-11 | 2021-08-27 | 诠航科技有限公司 | Tunnel machine |
| CN113309934B (en) * | 2021-05-11 | 2022-11-29 | 诠航科技有限公司 | Tunnel machine |
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