CN217282520U

CN217282520U - Three-phase asynchronous motor with sound insulation and noise reduction functions

Info

Publication number: CN217282520U
Application number: CN202220207027.8U
Authority: CN
Inventors: 张庆; 李艳; 王鹏; 钱华
Original assignee: Wuxi Runbei Engineering Technology Co ltd
Current assignee: Wuxi Runbei Engineering Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-23
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a sound-proof and noise-reducing three-phase asynchronous motor in the technical field of three-phase asynchronous motor equipment, which comprises an asynchronous motor, wherein an exhaust plate is arranged on the outer wall of one side of the asynchronous motor, a closed box is arranged on the outer wall of the asynchronous motor, a closed plate is arranged at the central position of the outer wall of one side of the closed box, a noise-reducing mechanism is arranged in the asynchronous motor, the structure is reasonable, the utility model discloses a sealed box is arranged outside the asynchronous motor and is completely sealed by the closed plate, the sound-proof filler in the closed box is utilized to achieve the sound-proof treatment of the asynchronous motor, the noise-reducing mechanism is arranged in the asynchronous motor and is compressed, the vibration generated during the work and the operation of the asynchronous motor is reduced, and the effect of sound-proof and noise-reducing is effectively realized, the stability and the use effect of the three-phase asynchronous motor are improved.

Description

Three-phase asynchronous motor with sound insulation and noise reduction functions

Technical Field

The utility model relates to a three-phase asynchronous motor equipment technical field specifically is a three-phase asynchronous motor who makes an uproar falls gives sound insulation.

Background

The three-phase asynchronous motor is a kind of induction motor, and is a kind of motor powered by 380V three-phase alternating current (120 degrees out of phase), and because the rotor and the stator rotating magnetic field of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds, and have slip, the three-phase asynchronous motor is called. The rotor of the three-phase asynchronous motor has a rotation speed lower than that of the rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion with the magnetic field and generates electromagnetic torque by interaction with the magnetic field, so as to realize energy conversion.

The existing three-phase asynchronous motor has the defects that: when the three-phase asynchronous motor works and runs, large sound is easy to generate, so that an operator is easy to be influenced by noise, and the utilization rate of the three-phase asynchronous motor is reduced.

Therefore, it is necessary to develop a sound-proof and noise-reducing three-phase asynchronous motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-phase asynchronous motor who makes an uproar falls gives sound insulation, through being equipped with seal box and closure plate, install the seal box in asynchronous machine's outside, and seal completely by the closure plate, utilize the syllable-dividing filler in the seal box, reach and give sound insulation to asynchronous machine and handle, through being equipped with the mechanism of making an uproar, the mechanism of making an uproar will fall installs in asynchronous machine's inside, and compress tightly the processing with it, reduce asynchronous machine work in service, produce the condition of vibrations, the effectual three-phase asynchronous motor that has realized has the effect of making an uproar falls in giving sound insulation, three-phase asynchronous motor's stability and result of use have been improved, with the problem of the easy noise production in the work of the three-phase asynchronous motor that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a three-phase asynchronous motor with sound insulation and noise reduction functions comprises an asynchronous motor, wherein an exhaust plate is arranged on the outer wall of one side of the asynchronous motor, a closed box is arranged on the outer wall of the asynchronous motor, a closed plate is arranged in the center of the outer wall of one side of the closed box, and a noise reduction mechanism is arranged in the asynchronous motor;

the noise reduction mechanism comprises a mounting part and a pressing part, the mounting part is connected with the asynchronous motor, and the pressing part is connected with the mounting part.

Preferably, the upper surface central point of seal box puts and has seted up the seal groove, the internally mounted of seal groove has sealed lid, the outer wall of sealed lid and the inner wall sliding connection of seal groove.

Preferably, install the sealing washer on the inner wall of seal groove, the inside of seal box is equipped with the sound insulation and packs, the base is installed to the bottom of seal box.

Preferably, the outer wall of the closing plate is in sliding connection with the inner wall of the closing box, and fixing plates are mounted above and below the outer wall of one side of the closing plate.

Preferably, the fixed plate is fixedly connected with the closed box through a fastening bolt, a through hole is formed in the center of the surface of the closed plate, and the hole wall of the through hole is in sliding connection with the outer wall of the output shaft on the asynchronous motor.

Preferably, the mounting part comprises a protective shell, the protective shell is located inside the asynchronous motor, sliding grooves A are formed in the upper portion and the lower portion of the inner walls of the two sides of the protective shell, pressing plates are mounted on the upper portion and the lower portion of the inside of the protective shell, sliding blocks A are arranged on the outer walls of the two sides of each pressing plate, the outer walls of the sliding blocks A are connected with the inner walls of the sliding grooves A in a sliding mode, sliding grooves B are formed in the two sides of the surface of each pressing plate, and the two sides of one side, opposite to the pressing plates, of each pressing plate are provided with compression springs.

Preferably, the compressing part comprises a fixed block, the outer walls of the two sides of the fixed block are provided with supporting arms, and the fixed block is hinged to the supporting arms through connecting pieces.

Preferably, one end of each support arm is provided with a sliding block B, the support arms are hinged with the sliding blocks B through connecting pieces, and a tension spring is arranged between the opposite sides of the two groups of support arms.

Compared with the prior art, the beneficial effects of the utility model are that:

through being equipped with seal box and seal plate, install the seal box in asynchronous machine's outside, and seal completely by the seal plate, utilize the syllable-dividing filler in the seal box, reach and give sound insulation to asynchronous machine and handle, through being equipped with the mechanism of making an uproar of falling, the mechanism of making an uproar of falling will fall installs in asynchronous machine's inside, and compress tightly the processing with it, reduce asynchronous machine work in service, the condition of vibrations produces, the effectual three-phase asynchronous motor that has realized has the effect of making an uproar of falling of giving sound insulation, three-phase asynchronous motor's stability and result of use have been improved.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a front view provided by the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 1 according to the present invention;

fig. 4 is a front sectional view of the noise reduction mechanism provided by the present invention;

fig. 5 is a perspective view of a part of the structure of the closing plate provided by the present invention.

In the figure: 1. an asynchronous motor; 101. a wind discharging plate; 2. closing the box; 201. a sealing groove; 202. a sealing cover; 203. a seal ring; 204. sound insulation filler; 205. a base; 3. a closing plate; 301. a fixing plate; 302. a through hole; 4. a noise reduction mechanism; 401. a protective shell; 402. a chute A; 403. pressing a plate; 404. a slide block A; 405. a chute B; 406. a compression spring; 407. a fixed block; 408. a support arm; 409. a slide block B; 410. a tension 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.

The utility model provides a following technical scheme: a three-phase asynchronous motor with sound insulation and noise reduction functions can be effectively arranged on the three-phase asynchronous motor in the using process, a closed box 2 and a noise reduction mechanism 4 are additionally arranged, please refer to fig. 1-5, the three-phase asynchronous motor comprises an asynchronous motor 1, an exhaust plate 101 is arranged on the outer wall of one side of the asynchronous motor 1, the asynchronous motor 1 can be subjected to heat dissipation treatment, the closed box 2 is arranged on the outer wall of the asynchronous motor 1, a sealing groove 201 is formed in the center of the upper surface of the closed box 2, a sealing cover 202 is arranged inside the sealing groove 201, the outer wall of the sealing cover 202 is in sliding connection with the inner wall of the sealing groove 201, a sealing ring 203 is arranged on the inner wall of the sealing groove 201, the sealing cover 202 is arranged in the sealing groove 201 in a sliding mode and is sealed by the sealing ring 203, the sealing condition that the sealing cover 202 is prevented from falling and loosening is avoided, sound insulation filler 204 is arranged inside the closed box 2, the sound insulation filler 204 is filled into the closed box 2 to achieve sound insulation treatment on the asynchronous motor 1, the bottom of the closed box 2 is provided with a base 205, the center of the outer wall of one side of the closed box 2 is provided with a closed plate 3, the outer wall of the closed plate 3 is in sliding connection with the inner wall of the closed box 2, the upper part and the lower part of the outer wall of one side of the closed plate 3 are respectively provided with a fixed plate 301, the fixed plates 301 are fixedly connected with the closed box 2 through fastening bolts to achieve installation and fixation of the closed plate 3, the center of the surface of the closed plate 3 is provided with a through hole 302, the hole wall of the through hole 302 is in sliding connection with the outer wall of an output shaft on the asynchronous motor 1 to achieve the purpose that the output of the asynchronous motor 1 is not influenced, and the noise reduction mechanism 4 is arranged inside the asynchronous motor 1;

the noise reduction mechanism 4 comprises an installation part and a compression part, the installation part is connected with the asynchronous motor 1, the compression part is connected with the installation part, the installation part comprises a protective shell 401, the protective shell 401 is positioned inside the asynchronous motor 1, sliding grooves A402 are respectively arranged above and below the inner walls of two sides of the protective shell 401, pressing plates 403 are respectively arranged above and below the inner part of the protective shell 401, sliding blocks A404 are respectively arranged on the outer walls of two sides of each pressing plate 403, the outer wall of each sliding block A404 is connected with the inner wall of the corresponding sliding groove A402 in a sliding manner, so that the pressing plates 403 can slide up and down in the protective shell 401, sliding grooves B405 are respectively arranged on two sides of the surface of each pressing plate 403, compression springs 406 are respectively arranged on two opposite sides of the two groups of pressing plates 403, the compression springs 406 have a rebound effect, the compression springs 406 are used for driving the compression springs 406 to compress a core part on the asynchronous motor 1, the core part is kept stable, the compression part comprises a fixing block 407, support arms 408 are mounted on the outer walls of two sides of a fixed block 407, the fixed block 407 is hinged to the support arms 408 through a connecting piece, the support arms 408 swing left and right on the fixed block 407, a sliding block B409 is arranged at one end of each support arm 408, the support arms 408 are hinged to the sliding block B409 through a connecting piece, the sliding block B409 is mounted in a sliding groove B405 on a pressing plate 403, the support arms 408 swing left and right to drive the sliding block B409 to slide in the sliding groove B405, a tension spring 410 is arranged between the two opposite sides of the two groups of support arms 408 to compress a compression spring 406 and push the pressing plate 403 to move, the compression spring 410 pulls the pressing plate back to reset, the compression spring 406 is kept to be in a rebound effect, and the stability of a core on the asynchronous motor 1 is enhanced.

The working principle is as follows: when the utility model is used, the sealing box 2 is arranged outside the asynchronous motor 1 to wrap the asynchronous motor 1, the heat dissipation treatment of the asynchronous motor 1 can be achieved by arranging the exhaust plate 101 at one side of the asynchronous motor 1, the sealing groove 201 is arranged at the central position of the upper surface of the sealing box 2, the sealing cover 202 is arranged in the sealing groove 201 in a sliding way and is sealed by the sealing ring 203, the sealing cover 202 is prevented from loosening and falling, the sound insulation filler 204 is filled into the sealing box 2 to achieve the sound insulation treatment of the asynchronous motor 1, if the sound is not large during the operation of the asynchronous motor 1, the sound insulation filler 204 is not required to be filled, the sealing cover 202 is opened to keep the air in the sealing box 2 smooth, the heat dissipation treatment of the asynchronous motor 1 is achieved, the sealing plate 3 is arranged on the inner wall at one side of the sealing box 2 in a sliding way, an output shaft on the asynchronous motor 1 penetrates through a through hole 302 on a sealing plate 3 to achieve the effect of not influencing the output of the asynchronous motor 1, a plurality of groups of fixing plates 301 are arranged on the outer wall of the sealing plate 3, the fixing plates 301 and a sealing box 2 are fixed by fastening bolts to achieve the mounting and fixing of the sealing plate 3, a protective shell 401 on a noise reduction mechanism 4 is mounted inside the asynchronous motor 1 and sleeved on the core part of the asynchronous motor 1 to achieve the wrapping protection of the core part of the asynchronous motor 1, two groups of pressing plates 403 are mounted above and below the inner part of the protective shell 401, a sliding block A404 on the pressing plate 403 is mounted in a sliding groove A402 on the protective shell 401 to be connected in a sliding manner, the pressing plates 403 slide up and down in the protective shell 401, a plurality of groups of springs 406 are arranged between the pressing plates 403 and the core part on the asynchronous motor 1, and the springs 406 are used for pressing to achieve the rebound effect, the pressing plate 403 moves inwards to drive the compression spring 406 to compress and compress the core part on the asynchronous motor 1, the core part is kept stable, two groups of supporting arms 408 are arranged on two sides of a fixing block 407 on the protective shell 401 through connecting pieces and are hinged, the supporting arms 408 swing left and right on the fixing block 407, a sliding block B409 is arranged at one end of each supporting arm 408 through the connecting pieces and is hinged, the sliding block B409 is arranged in a sliding groove B405 on the pressing plate 403, the supporting arms 408 swing left and right to drive the sliding block B409 to slide in the sliding groove B405, the compression spring 406 is compressed through arranging a tension spring 410 between the two groups of supporting arms 408 to push the pressing plate 403 to move, the compression spring 410 pulls back and resets the pressing spring 406, the compression spring 406 is kept to rebound effect, the stability of the core part on the asynchronous motor 1 is enhanced, the stability of the core part reduces vibration, and avoids the condition of noise generation, the effect that three-phase asynchronous motor has the noise reduction of giving sound insulation has effectually been realized, three-phase asynchronous motor's stability and result of use have been improved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a three-phase asynchronous motor who makes an uproar falls gives sound insulation, includes asynchronous machine (1), exhaust plate (101) are installed to one side outer wall of asynchronous machine (1), install on the outer wall of asynchronous machine (1) enclosure box (2), one side outer wall central point of enclosure box (2) puts and installs enclosure plate (3), its characterized in that: a noise reduction mechanism (4) is arranged in the asynchronous motor (1);

the noise reduction mechanism (4) comprises a mounting part and a pressing part, the mounting part is connected with the asynchronous motor (1), and the pressing part is connected with the mounting part.

2. A sound-deadening noise-reducing three-phase asynchronous motor according to claim 1, wherein: seal groove (201) have been seted up to the upper surface central point of seal box (2), the internally mounted of seal groove (201) has sealed lid (202), the outer wall of sealed lid (202) and the inner wall sliding connection of seal groove (201).

3. A sound-deadening noise-reducing three-phase asynchronous motor according to claim 2, wherein: install sealing washer (203) on the inner wall of seal groove (201), the inside of seal box (2) is equipped with gives sound insulation and packs (204), base (205) are installed to the bottom of seal box (2).

4. A sound-deadening noise-reducing three-phase asynchronous motor according to claim 1, wherein: the outer wall of shut (3) and the inner wall sliding connection of seal box (2), fixed plate (301) are all installed to one side outer wall top and the below of shut (3).

5. The sound-insulating and noise-reducing three-phase asynchronous motor according to claim 4, wherein: the fixed plate (301) is fixedly connected with the closed box (2) through a fastening bolt, a through hole (302) is formed in the center of the surface of the closed plate (3), and the hole wall of the through hole (302) is connected with the outer wall of an output shaft on the asynchronous motor (1) in a sliding mode.

6. A sound-deadening noise-reducing three-phase asynchronous motor according to claim 1, wherein: the mounting part comprises a protective shell (401), the protective shell (401) is located inside an asynchronous motor (1), sliding grooves A (402) are formed in the upper portion and the lower portion of the inner walls of the two sides of the protective shell (401), pressing plates (403) are installed in the upper portion and the lower portion of the inner portion of the protective shell (401), sliding blocks A (404) are arranged on the outer walls of the two sides of the pressing plates (403), the outer walls of the sliding blocks A (404) are connected with the inner walls of the sliding grooves A (402) in a sliding mode, sliding grooves B (405) are formed in the two sides of the surface of the pressing plates (403), and the two sides of one side, opposite to the pressing plates (403), of each pressing spring (406) are arranged on the two sides.

7. A sound-deadening noise-reducing three-phase asynchronous motor according to claim 1, wherein: the pressing part comprises a fixing block (407), supporting arms (408) are mounted on the outer walls of two sides of the fixing block (407), and the fixing block (407) is hinged to the supporting arms (408) through connecting pieces.

8. A sound-deadening noise-reducing three-phase asynchronous motor according to claim 7, wherein: one end of the supporting arm (408) is provided with a sliding block B (409), the supporting arm (408) is hinged to the sliding block B (409) through a connecting piece, and a tension spring (410) is arranged between the opposite sides of the two groups of supporting arms (408).