CN218587010U

CN218587010U - Permanent magnet synchronous motor with rotating shaft capable of being lubricated and cooled

Info

Publication number: CN218587010U
Application number: CN202222433362.2U
Authority: CN
Inventors: 喻明波; 刘盼; 朱炉江; 喻衍
Original assignee: Shenzhen Ska Precision Technology Co ltd
Current assignee: Shenzhen Ska Precision Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-07
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to the technical field of electric machines, concretely relates to pivot lubricated refrigerated PMSM, its technical scheme is: including motor body and pivot, still include mounting panel, the bottom plate subassembly of setting on the mounting panel bottom of fixed mounting on motor body bottom, the symmetry sets up the supporting mechanism on the both sides of mounting panel below, supporting mechanism includes that fixed mounting is served at mounting panel bottom one and is served runner assembly, fixed mounting at the elastic component of bottom plate top one end and with runner assembly and elastic component fixed connection's flexible subassembly, the beneficial effects of the utility model are that: can realize carrying out shock attenuation buffering processing to the vibrations that PMSM during operation produced to the noise reduction, and when PMSM vibration amplitude is great, can carry out dual shock attenuation buffering processing to it, the shock attenuation buffering is effectual.

Description

Permanent magnet synchronous motor with rotating shaft capable of being lubricated and cooled

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to pivot lubricated refrigerated PMSM.

Background

The permanent magnet synchronous motor uses the permanent magnet to provide excitation, 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, and the running reliability of the motor is improved; 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 or can be laminated by using laminations, an armature winding can adopt a concentrated integral pitch winding or a distributed short pitch winding or an unconventional winding.

At present, in order to enable a permanent magnet synchronous motor to run more stably and reduce abrasion at the connecting part of a rotating shaft of the permanent magnet synchronous motor, the rotating shaft capable of automatically lubricating and cooling is generally adopted, but the existing permanent magnet synchronous motor is poor in damping and buffering capacity, the permanent magnet synchronous motor can vibrate during working, so that great noise pollution is caused, the permanent magnet synchronous motor is easy to damage when being in a vibrating environment for a long time, and the service life of the permanent magnet synchronous motor is shortened.

Therefore, a need exists for a permanent magnet synchronous motor with a lubricating and cooling rotating shaft.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a pivot lubricated refrigerated PMSM can realize carrying out the shock attenuation buffering through bottom plate subassembly, runner assembly, elastic component and flexible subassembly that the vibrations that the PMSM during operation produced handle to the noise reduction, and when PMSM vibration amplitude is great, can carry out dual shock attenuation buffering to it and handle, the shock attenuation buffering is effectual, with the poor problem of solving current PMSM shock attenuation buffering ability.

In order to achieve the above object, the present invention provides the following technical solutions: a permanent magnet synchronous motor with a rotary shaft capable of being lubricated and cooled comprises a motor body, the rotary shaft, a mounting plate fixedly mounted on the bottom end of the motor body, a bottom plate assembly arranged on the bottom of the mounting plate, and support mechanisms symmetrically arranged on two sides below the mounting plate;

the supporting mechanism comprises a rotating assembly fixedly arranged at one end of the bottom of the mounting plate, an elastic assembly fixedly arranged at one end of the top of the bottom plate and a telescopic assembly fixedly connected with the rotating assembly and the elastic assembly.

Preferably, the runner assembly includes first concave plate, first concave plate fixed mounting is served in the bottom of mounting panel, the lower part fixed mounting of first concave plate has first pivot, evenly fixed cover is equipped with three groups of first rotating members, three groups in the first pivot fixed mounting telescopic component on the bottom of first rotating member.

Preferably, flexible subassembly includes slide bar and sliding sleeve, slide bar and sliding sleeve all are provided with three groups, three groups the top of slide bar is fixed mounting respectively on the bottom of three first rotating members of group, three groups the equal fixed mounting in bottom of slide bar has the slider, three groups the slider slides respectively and sets up in the top of three sliding sleeves of group, three groups the below of slider is provided with the spring.

Preferably, three groups the equal fixed mounting in bottom of sliding sleeve is on the elastic component who corresponds the position, three groups the side of slider is laminated with the sliding sleeve inner wall that corresponds the position setting respectively.

Preferably, the three groups of springs are respectively arranged in the corresponding position sliding sleeves, the top ends of the three groups of springs are respectively contacted with the top ends of the corresponding position sliding blocks, the bottom ends of the three groups of springs are respectively contacted with the corresponding position elastic assemblies, and the three groups of springs are all in a compressed state.

Preferably, the elastic component includes the second concave plate, second concave plate fixed mounting is served at bottom plate subassembly top one, the upper portion of second concave plate is rotated and is installed the second pivot, even fixed mounting has three groups of second to rotate in the second pivot, even sliding sleeve is equipped with three groups of coil springs in the second pivot, three groups the top of coil spring is fixed the embedding respectively and is set up in corresponding position second rotates the piece.

Preferably, the top ends of the three groups of second rotating parts are respectively and fixedly connected with the bottom ends of the sliding sleeves at the corresponding positions, and the top ends of the three groups of second rotating parts are respectively in contact with the bottom ends of the springs at the corresponding positions.

Preferably, the bottom plate subassembly includes the bottom plate, the bottom plate sets up the below at the mounting panel, the top both ends symmetry fixed mounting second notch board of bottom plate, the even symmetry fixed mounting in top both ends of bottom plate has four groups of dampers, four groups the equal fixed mounting in top of damper is on the bottom of mounting panel.

The utility model has the advantages that: can realize carrying out the shock attenuation buffering through bottom plate subassembly, runner assembly, elastic component and flexible subassembly and handle permanent magnet synchronous machine during operation production vibrations to noise reduction, and when permanent magnet synchronous machine vibration amplitude is great, can carry out dual shock attenuation buffering to it and handle, the shock attenuation buffering is effectual.

Drawings

Fig. 1 is a front view of a permanent magnet synchronous motor provided by the present invention;

FIG. 2 is a structural view of the supporting mechanism provided by the present invention;

fig. 3 is a connection perspective view of the second rotating shaft and the second rotating member provided by the present invention;

fig. 4 is a perspective view of the first rotating shaft and the first rotating member provided by the present invention.

In the figure: 1-a motor body, 2-a rotating shaft, 3-a mounting plate, 4-a first concave plate, 5-a first rotating piece, 6-a first rotating shaft, 7-a sliding rod, 8-a sliding sleeve, 9-a sliding block, 10-a spring, 11-a second rotating piece, 12-a coil spring, 13-a second rotating shaft, 14-a second concave plate, 15-a damper and 16-a bottom plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a pair of pivot lubricated and cooled PMSM, including motor body 1 and pivot 2, still include mounting panel 3 of fixed mounting on motor body 1 bottom, set up the bottom plate subassembly on mounting panel 3 bottom, the symmetry sets up the supporting mechanism on the both sides of mounting panel 3 below, and supporting mechanism includes that fixed mounting serves the runner assembly in mounting panel 3 bottom, fixed mounting serve the elastic component of one end at bottom plate top and with runner assembly and elastic component fixed connection's flexible subassembly.

The rotating assembly comprises a first concave plate 4, the first concave plate 4 is fixedly installed at one end of the bottom of the mounting plate 3, a first rotating shaft 6 is fixedly installed at the lower portion of the first concave plate 4, three groups of first rotating pieces 5 are evenly fixedly installed on the first rotating shaft 6 in a sleeved mode, the first rotating pieces 5 enable the telescopic assemblies 5 to rotate along with the rotation of the first rotating shaft 6, and the telescopic assemblies are fixedly installed at the bottom ends of the three groups of first rotating pieces 5.

The telescopic assembly comprises a sliding rod 7 and a sliding sleeve 8, the sliding rod 7 and the sliding sleeve 8 are provided with three groups, the top ends of the three groups of sliding rods 7 are respectively and fixedly installed on the bottoms of the three groups of first rotating members 5, the bottom ends of the three groups of sliding rods 7 are respectively and fixedly installed with a sliding block 9, the set sliding block 9 is used for limiting the corresponding position sliding rod 7, the three groups of sliding blocks 9 are respectively and slidably arranged in the top ends of the three groups of sliding sleeves 8, springs 10 are arranged below the three groups of sliding blocks 9 and used for pushing the corresponding position sliding block 9 and the corresponding position sliding rod 7 to move reversely and reset, therefore, the permanent magnet synchronous motor is subjected to damping and buffering treatment through the springs 10, the bottom ends of the three groups of sliding sleeves 8 are respectively and fixedly installed on elastic assemblies at corresponding positions, the side edges of the three groups of sliding blocks 9 are respectively attached to the inner walls of the sliding sleeves 8 arranged at corresponding positions, the three groups of springs 10 are respectively arranged in the corresponding position sliding sleeves 8, the top ends of the three groups of springs 10 are respectively contacted with the top ends of the corresponding position sliding blocks 9, and the three groups of springs 10 are all contacted with the corresponding position elastic assemblies, and the three groups of springs 10 are in a compression state.

The elastic assembly comprises a second concave plate 14, the second concave plate 14 is fixedly installed at one end of the top of the bottom plate assembly, a second rotating shaft 13 is installed on the upper portion of the second concave plate 14 in a rotating mode, three groups of second rotating pieces 11 are evenly and fixedly installed on the second rotating shaft 13, the second rotating pieces 11 are used for enabling the bottom end of the sliding sleeve 8 to rotate around the second rotating shaft 13, three groups of coil springs 12 are evenly sleeved on the second rotating shaft 13 in a sliding mode, when the vibration amplitude of the permanent magnet synchronous motor is large, the rotating amplitude of the second rotating pieces 11 is large, the coil springs 12 are compressed, double damping and buffering processing through the coil springs 12 and the springs 10 is achieved, the damping and buffering processing effects are good, noise is greatly reduced, the top ends of the three groups of coil springs 12 are fixedly embedded into the corresponding position second rotating pieces 11 respectively, the top ends of the three groups of second rotating pieces 11 are fixedly connected with the bottom ends of the corresponding position sliding sleeve 8 respectively, and the top ends of the three groups of the second rotating pieces 11 are in contact with the bottom ends of the corresponding position springs 10 respectively.

The bottom plate subassembly includes bottom plate 16, bottom plate 16 sets up the below at mounting panel 3, the top both ends symmetry fixed mounting second concave plate 14 of bottom plate 16, the even symmetry fixed mounting in top both ends of bottom plate 16 has four groups of dampers 15, four groups the equal fixed mounting in top of damper 15 is in the bottom of mounting panel 3.

The utility model discloses a use as follows: chinese patent net is CN216343345U in 2022.04.19, the utility model discloses a pivot lubricated refrigerated PMSM's of pivot disclosed day, its publication is CN 2.2.12, the utility model discloses well pivot 2 that sets up is the pivot in the above-mentioned patent, concrete structure does not do too much description here, when PMSM produces vibration and noise at the during operation, motor body 1 and pivot 2 can move in vertical direction, thereby make motor body 1, pivot 2 and mounting panel 3 move down, thereby mounting panel 3 moves down makes six first rotating member 5 of group, six groups of slide bars 7, six groups of sliding sleeve 8 and six groups of second rotating member 11 rotate, six groups of slide bars 7 and six groups of slider 9 can slide to second rotating member 11 one side of corresponding position respectively simultaneously, thereby make six groups of springs 10 further compressed, the usable damping characteristic of four groups of dampers 15 that set up simultaneously comes mechanical vibration and consumes kinetic energy, can realize that the vibration that produces when spring 10 works to PMSM carries out the shock attenuation processing through spring 10, thereby the great damping effect of the permanent magnet synchronous motor 12 that the bottom vibration damping is done so that the spring 12 is great to the permanent magnet synchronous motor that the bottom of the buffer, thereby the spring 12 that the great synchronous vibration damping effect of the permanent magnet shock attenuation is done so that the permanent magnet group produced when the permanent magnet synchronous motor is to the permanent magnet synchronous motor 12, thereby it can reduce the spring 12, thereby the great shock attenuation to make the spring 12 that the spring of the bottom of the spring is good, thereby the spring of the spring is done.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a permanent magnet synchronous motor of pivot lubricated cooling, includes motor body (1) and pivot (2), its characterized in that: the motor is characterized by also comprising a mounting plate (3) fixedly mounted on the bottom end of the motor body (1), a bottom plate assembly arranged on the bottom of the mounting plate (3), and support mechanisms symmetrically arranged on two sides below the mounting plate (3);

the supporting mechanism comprises a rotating assembly fixedly arranged at one end of the bottom of the mounting plate (3), an elastic assembly fixedly arranged at one end of the top of the bottom plate and a telescopic assembly fixedly connected with the rotating assembly and the elastic assembly.

2. The permanent magnet synchronous motor with a lubricating and cooling rotating shaft as claimed in claim 1, wherein: the runner assembly includes first concave plate (4), first concave plate (4) fixed mounting is served in the bottom of mounting panel (3), the lower part fixed mounting of first concave plate (4) has first pivot (6), even fixed cover is equipped with three sets of first rotation pieces (5) on first pivot (6), and is three sets fixed mounting telescopic component on the bottom of first rotation piece (5).

3. The permanent magnet synchronous motor with a lubricating and cooling rotating shaft as claimed in claim 2, wherein: the telescopic assembly comprises a sliding rod (7) and a sliding sleeve (8), wherein the sliding rod (7) and the sliding sleeve (8) are provided with three groups, three groups are arranged on the top end of the sliding rod (7) respectively and fixedly arranged at the bottom of a first rotating part (5) of the three groups, three groups are arranged on the bottom end of the sliding rod (7) respectively and fixedly arranged with a sliding block (9), three groups are arranged on the sliding block (9) respectively and slidably arranged in the top ends of the sliding sleeves (8) of the three groups, and a spring (10) is arranged below the sliding block (9).

4. A pm synchronous machine with a lubricating and cooling rotating shaft according to claim 3, characterized in that: three groups the bottom of sliding sleeve (8) is fixed on the elastic component corresponding to the position, three groups the side of sliding block (9) is respectively attached to the inner wall of sliding sleeve (8) corresponding to the position.

5. A permanent magnet synchronous machine with a rotary shaft capable of being lubricated and cooled, according to claim 3, wherein: the three groups of springs (10) are respectively arranged in the corresponding position sliding sleeves (8), the top ends of the springs (10) are respectively in contact with the top ends of the corresponding position sliding blocks (9), the bottom ends of the springs (10) are in contact with the corresponding position elastic assemblies, and the springs (10) are in a compressed state.

6. The permanent magnet synchronous motor with a lubricating and cooling rotating shaft as claimed in claim 5, wherein: elastic component includes second concave plate (14), second concave plate (14) fixed mounting is served at bottom plate subassembly top one, the upper portion of second concave plate (14) is rotated and is installed second pivot (13), even fixed mounting has three groups of second to rotate piece (11) in second pivot (13), even sliding sleeve is equipped with three groups of wind spring (12) in second pivot (13), three groups the top of wind spring (12) is fixed the embedding respectively and is set up in corresponding position second rotates piece (11).

7. The permanent magnet synchronous motor with a rotary shaft capable of being lubricated and cooled as claimed in claim 6, wherein: the top ends of the second rotating pieces (11) in the three groups are respectively and fixedly connected with the bottom ends of the sliding sleeves (8) in the corresponding positions, and the top ends of the second rotating pieces (11) in the three groups are respectively in contact with the bottom ends of the springs (10) in the corresponding positions.

8. The permanent magnet synchronous motor with a rotary shaft capable of being lubricated and cooled as claimed in claim 6, wherein: the bottom plate subassembly includes bottom plate (16), bottom plate (16) set up the below in mounting panel (3), the top both ends symmetry fixed mounting second notch board (14) of bottom plate (16), the even symmetry fixed mounting in top both ends of bottom plate (16) has four groups attenuator (15), four groups the equal fixed mounting in top of attenuator (15) is on the bottom of mounting panel (3).