CN217984753U

CN217984753U - Noise reduction structure of three-phase asynchronous motor

Info

Publication number: CN217984753U
Application number: CN202220112255.7U
Authority: CN
Inventors: 赵一泉; 赵烁宇
Original assignee: Shandong Kaiou Motor Technology Co ltd
Current assignee: Shandong Kaiou Motor Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-12-06
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a structure of making an uproar falls in three-phase asynchronous motor, which comprises a supporting pedestal and is characterized by further comprising, the up end fixedly connected with shell of support base, the up end fixedly connected with controller of shell, be equipped with the inner circle in the shell, be equipped with in the shell and be used for the installation mechanism fixed with the installation to the inner circle, be equipped with on the inside wall of shell and be used for the absorbing damper to the inside vibrations of shell, be equipped with the curb plate that two symmetries set up, two between shell and the support base be equipped with between the curb plate and be used for the absorbing mechanism to the noise absorption. The utility model discloses a set up cardboard, cooperation piece, inner circle and sealing washer isotructure, utilize inner circle and sealing washer isotructure, provide sealed effect inside the motor, play the effect of making an uproar that falls that gives sound insulation, cooperate limiting plate and buffer board isotructure to absorb the inside vibrations of motor operation in-process simultaneously, reduce the internal noise.

Description

Noise reduction structure of three-phase asynchronous motor

Technical Field

The utility model relates to a technical field that makes an uproar falls in the motor especially relates to a three-phase asynchronous motor falls structure of making an uproar.

Background

Three-phase asynchronous motor as motor. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion with the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion.

When the three asynchronous motors are used, the rotor rotates in the shell in the process of driving and running of the motor to cause vibration of the motor and noise generation, so that noise reduction of the motor needs to be considered in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing a three-phase asynchronous motor noise reduction structure.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a three-phase asynchronous motor's structure of making an uproar falls, is including supporting the base, the up end fixedly connected with shell of supporting the base, the up end fixedly connected with controller of shell, be equipped with the inner circle in the shell, be equipped with in the shell and be used for the installation mechanism fixed with the installation to the inner circle, be equipped with on the inside wall of shell and be used for the absorbing damper to the inside vibrations of shell, the shell with support and be equipped with the curb plate that two symmetries set up between the base, two be equipped with between the curb plate and be used for the absorbing mechanism to the noise.

Preferably, the installation mechanism includes a plurality of cardboard that circumference setting on the shell inside wall of fixed connection, two the joint has the cooperation piece between the cardboard, the inner circle sets up in a plurality of the cooperation piece.

Preferably, be equipped with the sealing washer between cooperation piece and the inner circle, be equipped with the joint piece of a plurality of circumference settings on the lateral wall of sealing washer, the joint piece sets up two between the cooperation piece.

Preferably, damper includes circumference fixed connection and is in the multiunit limiting plate on the shell inside wall, two sliding connection has the buffer board between the limiting plate, elastic connection has the bradyseism spring that two symmetries set up between the inside wall of shell and the buffer board.

Preferably, the absorption mechanism is including seting up the spread groove on the both ends lateral wall about the shell, two fixedly connected with inhales the sound box between the curb plate, inhale the sound box intussuseption and be filled with and inhale the sound cotton.

Preferably, the side wall of the side plate is fixedly connected with a mounting plate, and the mounting plate is fixedly connected to the support base through a mounting bolt.

Compared with the prior art, the utility model, its beneficial effect does:

1. through setting up cardboard, cooperation piece, inner circle and sealing washer isotructure, utilize inner circle and sealing washer isotructure, provide sealed effect inside the motor, play the effect of making an uproar that falls that gives sound insulation, cooperate limiting plate and buffer board isotructure to absorb the inside vibrations of motor operation in-process simultaneously, reduce the internal noise.

2. Through setting up the spread groove, inhaling the sound case and inhaling sound isotructure, the noise that utilizes the inside operation of motor to produce passes through the spread groove and gets into and inhale the sound case in to reach the absorption process of noise under the cotton adsorption of sound of inhaling.

Drawings

Fig. 1 is a schematic perspective view of a noise reduction structure of a three-phase asynchronous motor according to the present invention;

fig. 2 is a schematic front view cross-sectional structure diagram of a noise reduction structure of a three-phase asynchronous motor according to the present invention;

fig. 3 is the utility model provides a buffer board structure sketch map of a structure of making an uproar falls in three-phase asynchronous motor.

In the figure: the sound absorption device comprises a support base 1, side plates 2, a shell 3, a clamping plate 4, an inner ring 5, a matching block 6, a connecting groove 7, a sealing ring 8, a buffer plate 9, a limiting plate 10, a cushioning spring 11, a sound absorption box 12, sound absorption cotton 13 and a controller 14.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a structure of making an uproar falls in three-phase asynchronous motor, including supporting base 1, the up end fixedly connected with shell 3 of supporting base 1, the up end fixedly connected with controller 14 of shell 3, be equipped with inner circle 5 in the shell 3, be equipped with in the shell 3 and be used for the fixed installation mechanism with the installation to inner circle 5, installation mechanism includes the cardboard 4 of a plurality of circumference settings of fixed connection on the shell 3 inside wall, the joint has cooperation piece 6 between two cardboard 4, be equipped with sealing washer 8 between cooperation piece 6 and the inner circle 5, be equipped with the joint piece of a plurality of circumference settings on sealing washer 8's the lateral wall, the joint piece sets up between two cooperation pieces 6, inner circle 5 sets up in a plurality of cooperation pieces 6.

Be equipped with on the inside wall of shell 3 and be used for the absorbing damper to the inside vibrations of shell 3, damper includes that circumference fixed connection has multiunit limiting plate 10 on the inside wall of shell 3, and sliding connection has buffer board 9 between two limiting plates 10, and elastic connection has the bradyseism spring 11 that two symmetries set up between the inside wall of shell 3 and buffer board 9.

The shell 3 with support be equipped with the curb plate 2 that two symmetries set up between the base 1, fixedly connected with mounting panel on the lateral wall of curb plate 2, the mounting panel passes through mounting bolt fixed connection on supporting the base 1, be equipped with between two curb plates 2 and be used for the absorptive absorption mechanism of noise, absorption mechanism is including seting up spread groove 7 on the both ends lateral wall about shell 3, fixedly connected with inhales audio amplifier 12 between two curb plates 2, inhale the intussuseption of audio amplifier 12 and be filled with and inhale the sound cotton 13.

The utility model discloses during the use, as shown in fig. 1-3, at first with a plurality of cooperation pieces 6 joint in proper order between a plurality of cardboard 4, there is certain clearance between cardboard 4 and the cooperation piece 6, establish 8 covers of sealing washer between a plurality of cooperation pieces 6 afterwards, the fixture block joint is in the gap between two cooperation pieces 6 on the 8 lateral walls of this in-process sealing washer, install inner circle 5 at 8 inboards of sealing washer afterwards, the motor is transmitted to buffer board 9 through bradyseism spring 11 in the moving in-process shell 3 produced vibrations, buffer board 9 reaches vibrations and reciprocating motion's state under two limiting plate 10's limiting displacement, the noise that produces in the shell 3 passes through spread groove 7 and transmits to inhaling in the sound case 12 simultaneously, and absorb the noise and with external isolated effect under the sound effect of inhaling sound cotton 13, finally reach the effect of making an uproar.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a structure of making an uproar falls of three-phase asynchronous motor, is including supporting base (1), its characterized in that, the up end fixedly connected with shell (3) of supporting base (1), up end fixedly connected with controller (14) of shell (3), be equipped with inner circle (5) in shell (3), be equipped with in shell (3) and be used for the installation mechanism fixed with the installation to inner circle (5), be equipped with on the inside wall of shell (3) and be used for the absorbing damper to the inside vibrations of shell (3), be equipped with curb plate (2) that two symmetries set up between shell (3) and the support base (1), two be equipped with between curb plate (2) and be used for absorbing mechanism to the noise.

2. The noise reduction structure of the three-phase asynchronous motor according to claim 1, wherein the mounting mechanism comprises a plurality of circumferentially arranged clamping plates (4) fixedly connected to the inner side wall of the housing (3), a matching block (6) is clamped between the two clamping plates (4), and the inner ring (5) is arranged in the matching blocks (6).

3. The noise reduction structure of a three-phase asynchronous motor according to claim 2, characterized in that a sealing ring (8) is arranged between the matching block (6) and the inner ring (5), a plurality of circumferentially arranged clamping blocks are arranged on the outer side wall of the sealing ring (8), and the clamping blocks are arranged between the two matching blocks (6).

4. The noise reduction structure of the three-phase asynchronous motor according to claim 3, wherein the damping mechanism comprises a plurality of sets of limiting plates (10) fixedly connected to the inner side wall of the housing (3) in the circumferential direction, a buffer plate (9) is slidably connected between the two limiting plates (10), and two symmetrically arranged damping springs (11) are elastically connected between the inner side wall of the housing (3) and the buffer plate (9).

5. The noise reduction structure of the three-phase asynchronous motor according to claim 4, wherein the absorption mechanism comprises connection grooves (7) formed in the side walls of the left end and the right end of the housing (3), a sound absorption box (12) is fixedly connected between the two side plates (2), and sound absorption cotton (13) is filled in the sound absorption box (12).

6. A noise reduction structure of a three-phase asynchronous motor according to claim 5, characterized in that the side wall of the side plate (2) is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the supporting base (1) through a mounting bolt.