CN210608786U

CN210608786U - Low permanent magnet synchronous motor for low-vibration low-noise elevator

Info

Publication number: CN210608786U
Application number: CN201921970482.8U
Authority: CN
Inventors: 孙锐; 马新华
Original assignee: Suzhou Suti Drive Technology Co ltd
Current assignee: Suzhou Suti Drive Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-05-22
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a low-vibration and low-noise permanent magnet synchronous motor for an elevator, which comprises a machine base and a machine shell which are mutually communicated, and a motor assembly which is arranged in the machine base and the machine shell in a penetrating way, wherein the bottom of the machine base is connected with a damping installation mechanism which comprises a mounting plate which is the same as the bottom surface of the machine base in shape and size and damping pads which are respectively fixed on the top surface and the bottom surface of the mounting plate, and the surface of each damping pad is distributed with tooth-shaped lines; compared with the prior art, the utility model has the advantages that: the method that the outer surface of the mounting plate is covered with the shock pad is adopted, the shock pad absorbs shock, the mounting plate supports the strength requirement and is not easy to deform, the toothed lines are arranged to form the shock absorption belt, the shock waviness of the permanent magnet synchronous motor is eliminated, and the shock absorption effect is effectively enhanced.

Description

Low permanent magnet synchronous motor for low-vibration low-noise elevator

Technical Field

The utility model relates to an elevator hauler field, concretely relates to low permanent magnet synchronous motor for low-vibration low-noise elevator.

Background

The motor is used as a power device for driving the lift car to ascend and descend, and is the most important component in elevator accessories. The permanent magnet synchronous motor is widely applied to elevator motors due to the characteristics of simple structure, high reliability, high efficiency, small volume and light weight. Permanent magnet synchronous machine installs on elevator mounting bracket, in use often shakes, also reduced the reliability of being connected with elevator mounting bracket when producing a large amount of noises and influencing user experience, for solving this problem, adopt the method of increasing rubber cushion pad between elevator mounting bracket and permanent magnet synchronous machine at present usually, but rubber cushion pad's intensity is low, thereby in use receives to warp easily after permanent magnet synchronous machine and elevator mounting bracket's the extrusion and loses the elasticity and drop after the volume reduces and lose the shock attenuation effect, and the shock attenuation effect is limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: a permanent magnet synchronous motor for a low-vibration low-noise elevator is provided.

The technical scheme of the utility model is that: the permanent magnet synchronous motor comprises a machine base and a machine shell which are mutually communicated, and a motor assembly which is arranged in the machine base and the machine shell in a penetrating mode, wherein the bottom of the machine base is connected with a damping installation mechanism, the damping installation mechanism comprises an installation plate and damping pads, the installation plate is the same as the bottom surface of the machine base in shape and size, the damping pads are fixed on the top surface and the bottom surface of the installation plate respectively, and tooth-shaped grains are distributed on the surface of each damping pad.

Further: the shock pad is rubber shock pad, the mounting panel is the stainless steel mounting panel.

Further: the shock pad is fixed on the surface of the mounting plate through glue.

Further: the bottom of frame with corresponding connecting hole has all been seted up at the edge of mounting panel, the quantity of connecting hole is more than or equal to 4, the frame passes through with the mounting panel the connecting hole cooperatees with the fastener and realizes being connected.

Further: the motor assembly comprises a main shaft arranged in the shell and the base in a penetrating mode, and a rotor assembly and a traction wheel which are arranged on the main shaft in a sleeved mode respectively, wherein the rotor assembly and the traction wheel are sleeved on the rotor assembly, the traction wheel is located in the base, and the rotor assembly and the stator assembly are located in the shell.

Further: the motor assembly further comprises a stator rear cover and an encoder which are connected to the two ends of the main shaft respectively, the stator rear cover is installed on the main shaft close to one end of the stator assembly and fixed to the end portion of the casing, and a brake is sleeved outside the encoder.

Further: and a junction box is arranged on the outer wall of the shell.

Compared with the prior art, the utility model has the advantages that: the method that the outer surface of the mounting plate is covered with the shock pad is adopted, the shock pad absorbs shock, the mounting plate supports the strength requirement and is not easy to deform, the toothed lines are arranged to form the shock absorption belt, the shock waviness of the permanent magnet synchronous motor is eliminated, and the shock absorption effect is effectively enhanced.

Drawings

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 the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the middle damping mounting mechanism of the present invention;

fig. 3 is an axial cross-sectional view of the present invention;

wherein: 1. a machine base; 2. a housing; 3. mounting a plate; 4. a shock pad; 5. connecting holes; 6. a main shaft; 7. a rotor assembly; 8. a stator assembly; 9. a traction sheave; 10. a stator rear cover; 11. an encoder; 12. a brake; 13. a junction box.

Detailed Description

Example (b): combine a low permanent magnet synchronous motor for low-vibration low-noise elevator that fig. 1 to fig. 3 show, including frame 1 and the casing 2 that communicates each other to and run through the setting and be in motor element in frame 1 and the casing 2, the bottom of frame 1 is connected with shock attenuation installation mechanism, shock attenuation installation mechanism include with 1 bottom surface of frame shape is the same, the mounting panel 3 that the size equals with fix respectively shock pad 4 on mounting panel 3 top surface and the bottom surface, be fixed with shock pad 4 on the contact surface of mounting panel 3 and frame 1 and mounting panel 3 and the elevator mounting bracket respectively promptly, shock pad 4's surface is gone throughout to distribute and is had the vibrations waviness when eliminating permanent magnet synchronous motor and shake, and this cusp line is arranged along the extending direction of frame 1 on shock pad 4 surface to further the shock attenuation.

The shock pad 4 is a rubber shock pad, has high elasticity and low price, is easy to obtain, and the mounting plate 3 is a stainless steel mounting plate, has high strength, is not easy to deform and is not easy to rust. The shock pad 4 is fixed on the surface of the mounting plate 3 through glue, so that the shock pad is convenient to manufacture. The bottom of frame 1 with corresponding connecting hole 5 has all been seted up at the edge of mounting panel 3, the quantity of connecting hole 5 equals 4, frame 1 and mounting panel 3 pass through connecting hole 5 and fastener cooperate and realize being connected, and in this embodiment, the fastener is the bolt (not drawn in the picture).

The motor assembly comprises a main shaft 6 arranged in the machine shell 2 and the machine base 1 in a penetrating mode, and a rotor assembly 7 and a traction wheel 9 which are respectively sleeved on the main shaft 6, wherein the rotor assembly 7 is sleeved with a stator assembly 8, the traction wheel 9 is located in the machine base 1, and the rotor assembly 7 and the stator assembly 8 are located in the machine shell 2. The motor assembly further comprises a stator rear cover 10 and an encoder 11 which are respectively connected to two ends of the main shaft 6, the stator rear cover 10 is installed on the main shaft 6 close to one end of the stator assembly 8 and fixed to the end portion of the shell 2, and a brake 12 is sleeved outside the encoder 11. And a junction box 13 is arranged on the outer wall of the machine shell 2.

Stainless steel mounting panel surface covers rubber shock pad, and stainless steel mounting panel possesses high strength when elastic rubber shock pad absorbing, non-deformable to rubber shock pad's surface is spread all over and is set up dentate line and form the damping band, eliminates PMSM's vibrations waviness, effectively strengthens the shock attenuation effect, long service life.

It is to be noted that, in this document, terms such as "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion, such that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. The utility model provides a low permanent magnetism synchronous machine for shake low noise elevator, includes frame and casing that communicates each other to and run through the setting and be in motor element in frame and the casing, its characterized in that: the bottom of frame is connected with shock attenuation installation mechanism, shock attenuation installation mechanism include with the mounting panel that the frame bottom surface shape is the same, the size equals with fix respectively shock pad on mounting panel top surface and the bottom surface, the surface of shock pad has the dentate line all around.

2. The permanent magnet synchronous motor for the low-vibration and low-noise elevator as claimed in claim 1, wherein: the shock pad is rubber shock pad, the mounting panel is the stainless steel mounting panel.

3. The permanent magnet synchronous motor for the low-vibration and low-noise elevator as claimed in claim 2, wherein: the shock pad is fixed on the surface of the mounting plate through glue.

4. The permanent magnet synchronous motor for the low-vibration and low-noise elevator as claimed in claim 1, wherein: the bottom of frame with corresponding connecting hole has all been seted up at the edge of mounting panel, the quantity of connecting hole is more than or equal to 4, the frame passes through with the mounting panel the connecting hole cooperatees with the fastener and realizes being connected.

5. The permanent magnet synchronous motor for the low-vibration and low-noise elevator as claimed in claim 1, wherein: the motor assembly comprises a main shaft arranged in the shell and the base in a penetrating mode, and a rotor assembly and a traction wheel which are arranged on the main shaft in a sleeved mode respectively, wherein the rotor assembly and the traction wheel are sleeved on the rotor assembly, the traction wheel is located in the base, and the rotor assembly and the stator assembly are located in the shell.

6. The permanent magnet synchronous motor for the low-vibration and low-noise elevator as claimed in claim 5, wherein: the motor assembly further comprises a stator rear cover and an encoder which are connected to the two ends of the main shaft respectively, the stator rear cover is installed on the main shaft close to one end of the stator assembly and fixed to the end portion of the casing, and a brake is sleeved outside the encoder.

7. The permanent magnet synchronous motor for the low-vibration and low-noise elevator as claimed in claim 1, wherein: and a junction box is arranged on the outer wall of the shell.