CN212850095U

CN212850095U - Permanent magnet synchronous motor

Info

Publication number: CN212850095U
Application number: CN202021022591.XU
Authority: CN
Inventors: 陈灵峰
Original assignee: Wuxi Lingde Electric Machinery Co ltd
Current assignee: Wuxi Lingde Electric Machinery Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-03-30
Anticipated expiration: 2031-01-19

Abstract

The utility model belongs to the technical field of PMSM, especially, be a PMSM, which comprises a motor body, motor body's bottom welded fastening has four mounts seats, and the equal welded fastening in top of four mounts seats has the shock pad, the shock pad includes the circle case, the bottom of circle case and the top welded fastening of mount seat are in the same place, the round hole has been seted up on the top inner wall of circle case, slidable mounting has the cylinder in the round hole, the cylindrical top extend to the round hole outside and with motor body's bottom welded fastening together, the cylindrical bottom extends to the circle incasement and welded fastening has the diaphragm, the top welded fastening of diaphragm has first spring, the top of first spring and the top inner wall welded fastening of circle case are in the same place, first spring sliding sleeve is established on the cylinder. The utility model discloses the practicality is high, can slow down the motor and at produced vibrations of during operation, has carried out better protection to the motor.

Description

Permanent magnet synchronous motor

Technical Field

The utility model relates to a PMSM technical field especially relates to a PMSM.

Background

The permanent magnet synchronous motor generates torque through interaction of a rotating magnetic field generated by current passing through a stator coil and a magnetic field generated by a permanent magnet of a rotor, so that the rotor is pushed to rotate synchronously.

However, the existing permanent magnet synchronous motor can generate vibration when working, and the motor can be damaged when working for a long time under the condition of vibration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a permanent magnet synchronous motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a permanent magnet synchronous motor comprises a motor body, wherein four mounting seats are welded and fixed at the bottom of the motor body, shock absorbing seats are welded and fixed at the tops of the four mounting seats, each shock absorbing seat comprises a round box, the bottom of the round box is welded and fixed with the top of the mounting seat, a round hole is formed in the inner wall of the top of the round box, a cylinder is arranged in the round hole in a sliding mode, the top end of the cylinder extends out of the round hole and is welded and fixed with the bottom of the motor body, the bottom end of the cylinder extends into the round box and is welded and fixed with a transverse plate, a first spring is welded and fixed at the top of the transverse plate, the top end of the first spring is welded and fixed with the inner wall of the top of the round box, the first spring is slidably sleeved on the cylinder, a rotating groove is formed in the inner wall of the bottom of the round box, a screw rod is rotatably installed in the, the telescopic top welded fastening of internal thread has the roof, one side welded fastening that roof and diaphragm are close to each other has same second spring, the top welded fastening of roof has two montants, two montants all with diaphragm sliding connection, welded fastening has the worm wheel on the screw rod, all seted up on the both sides inner wall of round box and rotated the hole, two rotate downthehole rotations and install same worm, worm and worm wheel mesh mutually.

Preferably, one end of the worm extends out of the corresponding rotating hole and is fixedly welded with a hand wheel.

Preferably, the balls are nested on two sides of the transverse plate and the top plate, and the four balls are respectively in rolling connection with the inner walls of two sides of the round box.

Preferably, a bearing is arranged in the rotating groove, the outer ring of the bearing is in interference fit with the inner wall of the rotating groove, and the inner ring of the bearing is sleeved on the screw rod in interference fit.

Preferably, two limiting holes are formed in the transverse plate, and the two vertical rods are respectively in sliding connection with the inner walls of the corresponding limiting holes.

Preferably, a wear-resistant gasket is fixedly adhered to the inside of the round hole, and the cylinder is in sliding connection with the inner wall of the wear-resistant gasket.

Compared with the prior art, the beneficial effects of the utility model are that: when motor body work, the cylinder on the shock mount will be transmitted to produced vibrations, thereby first spring and second spring will cushion the produced vibrations of motor body, according to the intensity of motor body vibrations, can rotate the worm through the hand wheel, the worm rotates and drives the worm wheel and rotate, the worm wheel drives the screw rod again and rotates, the screw rod drives the roof through the internal thread sleeve again and reciprocates, thereby alright with the tensioning degree of adjusting first spring and second spring, thereby can adjust the buffering dynamics of shock mount according to motor body's vibrations degree.

The utility model discloses the practicality is high, can slow down the motor and at produced vibrations of during operation, has carried out better protection to the motor.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front sectional external view of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

in the figure: 1. a motor body; 2. a mounting seat; 3. a round box; 4. a circular hole; 5. a cylinder; 6. a transverse plate; 7. a first spring; 8. a rotating groove; 9. a screw; 10. an internally threaded sleeve; 11. a top plate; 12. a vertical rod; 13. a worm gear; 14. rotating the hole; 15. a worm; 16. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a permanent magnet synchronous motor comprises a motor body 1, four mounting seats 2 are welded and fixed at the bottom of the motor body 1, shock absorbing seats are welded and fixed at the tops of the four mounting seats 2, each shock absorbing seat comprises a round box 3, the bottom of the round box 3 is welded and fixed with the top of the mounting seat 2, a round hole 4 is formed in the inner wall of the top of the round box 3, a cylinder 5 is arranged in the round hole 4 in a sliding mode, the top end of the cylinder 5 extends out of the round hole 4 and is welded and fixed with the bottom of the motor body 1, the bottom end of the cylinder 5 extends into the round box 3 and is welded and fixed with a transverse plate 6, a first spring 7 is welded and fixed at the top of the transverse plate 6, the top end of the first spring 7 is welded and fixed with the inner wall of the top of the round box 3, the first spring 7 is sleeved on the cylinder 5 in a sliding mode, a rotating groove 8 is formed in, an internal thread sleeve 10 is sleeved on the screw 9 in a threaded manner, a top plate 11 is fixedly welded at the top end of the internal thread sleeve 10, the same second spring 16 is fixedly welded at one side, close to the transverse plate 6, of the top plate 11, two vertical rods 12 are fixedly welded at the top of the top plate 11, the two vertical rods 12 are both in sliding connection with the transverse plate 6, a worm wheel 13 is fixedly welded on the screw 9, rotating holes 14 are formed in the inner walls of the two sides of the round box 3, the same worm 15 is rotatably mounted in the two rotating holes 14, and the worm 15 is meshed with the worm wheel 13;

one end of a worm 15 extends out of the corresponding rotating hole 14 and is fixedly welded with a hand wheel, two sides of the transverse plate 6 and the top plate 11 are nested with balls, the four balls are respectively in rolling connection with the inner walls of the two sides of the round box 3, a bearing is arranged in the rotating groove 8, the outer ring of the bearing is in interference fit with the inner wall of the rotating groove 8, the inner ring of the bearing is in interference fit with the screw rod 9, the transverse plate 6 is provided with two limiting holes, two vertical rods 12 are respectively in sliding connection with the inner walls of the corresponding limiting holes, a wear-resistant gasket is pasted and fixed in the round hole 4, the cylinder 5 is in sliding connection with the inner wall of the wear-resistant gasket, when the motor body 1 works, the generated vibration can be transmitted to the cylinder 5 on the damping seat, so that the first spring 7 and the second spring 16 can buffer the vibration generated by the motor body 1, according to the violent degree, worm 15 rotates and drives worm wheel 13 and rotates, and worm wheel 13 drives screw rod 9 again and rotates, and screw rod 9 rethread internal thread sleeve 10 drives roof 11 and reciprocates to alright with the tensioning degree of adjustment first spring 7 and second spring 16, thereby can adjust the buffering dynamics of shock attenuation seat according to motor body 1's degree of vibration, the utility model discloses the practicality is high, can slow down the motor and at produced vibrations of during operation, has carried out better protection to the motor.

The working principle is as follows: when motor body 1 works, cylinder 5 on the cushion socket will be transmitted to produced vibrations, thereby first spring 7 and second spring 16 will cushion motor body 1 produced vibrations, according to the acutely degree of motor body 1 vibrations, can rotate worm 15 through the hand wheel, worm 15 rotates and drives worm wheel 13 and rotate, worm wheel 13 drives screw rod 9 again and rotates, screw rod 9 rethread internal thread sleeve 10 drives roof 11 and reciprocates, thereby alright with the tensioning degree of adjusting first spring 7 and second spring 16, thereby can adjust the buffering dynamics of cushion socket according to motor body 1's degree of vibrations, the utility model discloses the practicality is high, can slow down the motor and at produced vibrations of during operation, better protection has been carried out to the motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a permanent magnet synchronous motor, includes motor body (1), its characterized in that: the motor comprises a motor body (1), wherein four mounting seats (2) are fixedly mounted at the bottom of the motor body (1), shock absorbing seats are fixedly mounted at the tops of the four mounting seats (2), each shock absorbing seat comprises a round box (3), the bottom of each round box (3) is fixedly connected with the top of the corresponding mounting seat (2), a round hole (4) is formed in the inner wall of the top of each round box (3), a cylinder (5) is slidably mounted in each round hole (4), the top end of each cylinder (5) extends out of each round hole (4) and is fixedly connected with the bottom of the motor body (1), the bottom end of each cylinder (5) extends into each round box (3) and is fixedly mounted with a transverse plate (6), a first spring (7) is fixedly mounted at the top of each transverse plate (6), the top end of each first spring (7) is fixedly connected with the inner wall of the top of each round box (3), and each first spring (7) is slidably sleeved on each, seted up on the bottom inner wall of circle case (3) and rotated groove (8), rotate groove (8) internal rotation and install screw rod (9), threaded sleeve is equipped with internal thread sleeve (10) on screw rod (9), the top fixed mounting of internal thread sleeve (10) has roof (11), one side fixed mounting that roof (11) and diaphragm (6) are close to each other has same second spring (16), the top fixed mounting of roof (11) has two montants (12), and two montants (12) all with diaphragm (6) sliding connection, fixed mounting has worm wheel (13) on screw rod (9), all seted up rotation hole (14) on the both sides inner wall of circle case (3), two rotation hole (14) internal rotations install same worm (15), worm (15) and worm wheel (13) mesh mutually.

2. A permanent magnet synchronous machine according to claim 1, characterized in that: one end of the worm (15) extends to the outside of the corresponding rotating hole (14) and is fixedly provided with a hand wheel.

3. A permanent magnet synchronous machine according to claim 1, characterized in that: the two sides of the transverse plate (6) and the top plate (11) are nested with balls, and the four balls are respectively in rolling connection with the inner walls of the two sides of the round box (3).

4. A permanent magnet synchronous machine according to claim 1, characterized in that: the bearing is arranged in the rotating groove (8), the outer ring of the bearing is fixedly connected with the inner wall of the rotating groove (8), and the inner ring of the bearing is fixedly sleeved on the screw rod (9).

5. A permanent magnet synchronous machine according to claim 1, characterized in that: two limiting holes are formed in the transverse plate (6), and the two vertical rods (12) are respectively in sliding connection with the inner walls of the corresponding limiting holes.

6. A permanent magnet synchronous machine according to claim 1, characterized in that: the circular hole (4) is internally and fixedly provided with a wear-resistant gasket, and the cylinder (5) is connected with the inner wall of the wear-resistant gasket in a sliding manner.