CN220368544U - Explosion-proof three-phase asynchronous motor - Google Patents
Explosion-proof three-phase asynchronous motor Download PDFInfo
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- CN220368544U CN220368544U CN202322019615.6U CN202322019615U CN220368544U CN 220368544 U CN220368544 U CN 220368544U CN 202322019615 U CN202322019615 U CN 202322019615U CN 220368544 U CN220368544 U CN 220368544U
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- explosion
- proof
- fixedly connected
- shell
- phase asynchronous
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010892 electric spark Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model relates to the field of explosion-proof motors and discloses an explosion-proof three-phase asynchronous motor, which comprises a shell, wherein one side of the shell is fixedly connected with a junction box, one side of the junction box is fixedly connected with a junction terminal, the front end of the shell is fixedly connected with a mounting cover, the middle part of the mounting cover is rotationally connected with a rotating shaft, the side wall of the rotating shaft is provided with an explosion-proof shell, the side wall of the explosion-proof shell is provided with a plurality of explosion-proof grooves, the inner side wall of the shell is fixedly connected with a fixing plate, the bottom end of the shell is fixedly connected with a dust screen, the dust screen and a second axial fan are coaxially arranged, an explosion-proof layer is arranged inside the shell, and the outer side of the explosion-proof layer is fixedly connected with a heat dissipation layer by the middle part. According to the utility model, the explosion-proof three-phase asynchronous motor is provided, the explosion-proof shell is arranged on the motor rotating shaft, electric sparks are prevented from being generated while the rotating shaft rotates, the safety of the motor is improved, and meanwhile, the fan can be used for effectively leading out heat in the shell.
Description
Technical Field
The utility model relates to the field of explosion-proof motors, in particular to an explosion-proof three-phase asynchronous motor.
Background
The explosion-proof motor is a motor which can be used in flammable and explosive places and does not generate electric spark during operation. The explosion-proof motor is mainly used in coal mines, petroleum and natural gas, petrochemical industry and chemical industry. In addition, the fiber is widely applied to the departments of textile, urban fuel gas, traffic, grain and oil processing, papermaking, medicine and the like. Explosion-proof motors are used as the primary power equipment, typically to drive pumps, fans, compressors, and other transmission machinery.
In the prior art, though an explosion-proof device is arranged on a three-phase asynchronous motor, no electric spark is generated during operation, so that the safety performance of the motor is improved, but the working environment is slightly worse, the limitation is more obvious, the performance is influenced, and more potential safety hazards are generated at the same time.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides an explosion-proof three-phase asynchronous motor, which is characterized in that an explosion-proof shell is arranged on a motor rotating shaft, so that electric sparks are prevented from being generated while the rotating shaft rotates, the safety of the explosion-proof three-phase asynchronous motor is improved, and meanwhile, a fan can be used for effectively leading out heat in the shell.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof three-phase asynchronous motor, includes the casing, casing one side fixedly connected with terminal, terminal one side fixedly connected with binding post, casing front end fixedly connected with installation lid, installation lid middle part rotates and is connected with the pivot, the pivot lateral wall is provided with explosion-proof shell, a plurality of explosion-proof grooves have been seted up to explosion-proof shell lateral wall, casing inside wall fixedly connected with fixed plate, two first axial fan of fixed plate top middle part both sides fixedly connected with, casing inside wall bottom fixedly connected with second axial fan, casing bottom fixedly connected with dust screen, just dust screen and second axial fan coaxial setting, the casing is inside to be included explosion-proof layer, explosion-proof layer outside leans on middle part fixedly connected with heat dissipation layer;
through above-mentioned technical scheme, the explosion-proof shell is set up in the outside cover of the output of motor, and explosion-proof shell goes the installation lid of motor and carries out fixed connection, the effectual electric spark that produces when the pivot rotation when reducing the motor when using, and owing to be provided with the dead lever in the explosion-proof groove on the explosion-proof layer, can effectually improve the holistic structural strength of explosion-proof shell, the security of motor when using, set up the fixed plate in the inside of motor, and the bottom of fixed plate and casing sets up axial fan can be with the pivot heat preliminary transfer that produces when rotating in the cavity that fixed plate and casing formed, rethread casing bottom's axial fan is with the effectual derivation of heat simultaneously, avoid the motor during operation overheated and explosion.
Further, one end of the rotating shaft penetrates through the rear end of the explosion-proof shell and is rotatably connected with the middle part of the fixing plate at the front end of the shell;
through the technical scheme, the rotating shaft can be stably rotated.
Further, the inner side walls of the explosion-proof grooves are respectively fixedly connected with a fixing rod;
through above-mentioned technical scheme, the effectual structural strength who improves the explosion-proof groove.
Further, a sealing gasket is arranged at the joint of the mounting cover and the shell;
through the technical scheme, the overall tightness of the motor is improved.
Further, a plurality of heat dissipation grooves are formed in the outer side of the heat dissipation layer;
through above-mentioned technical scheme, through increasing the area of contact of motor and air, further improve its radiating effect.
Further, the two first axial flow fans, the wiring terminal and the second axial flow fan are electrically connected with the wiring box;
through above-mentioned technical scheme, effectually make the motor can normal operating through the terminal box.
Further, the thickness of the explosion-proof layer below is larger than that of the middle part;
through the technical scheme, enough space is reserved for the heat dissipation layer.
Further, the rear end of the explosion-proof shell is fixedly connected with the front end of the mounting cover;
through above-mentioned technical scheme, the effectual overall structure intensity who improves the device.
The utility model has the following beneficial effects:
1. according to the utility model, the explosion-proof shell is sleeved outside the output end of the motor, the explosion-proof shell is fixedly connected with the mounting cover of the motor, electric sparks generated when the rotating shaft of the motor rotates during use are effectively reduced, and the fixing rod is arranged in the explosion-proof groove on the explosion-proof shell, so that the integral structural strength of the explosion-proof shell can be effectively improved, and the safety of the motor during use is effectively improved.
2. According to the utility model, the fixed plate is arranged in the motor, the axial flow fan is arranged at the bottom ends of the fixed plate and the shell, so that heat generated during rotation of the rotating shaft can be primarily transferred into a cavity formed by the fixed plate and the shell, and meanwhile, the heat is effectively led out through the axial flow fan at the bottom end of the shell, so that explosion caused by overheat during operation of the motor is avoided.
3. According to the utility model, the dustproof net is arranged at the bottom end of the motor and at the position coaxial with the second axial flow fan, so that dust can be effectively prevented from entering, the performance of the motor is prevented from being reduced, the safety performance of the motor is effectively improved, and meanwhile, the heat dissipation effect of the motor is further improved by increasing the contact area of the motor and air by utilizing the heat dissipation grooves on the heat dissipation layer on the outer side of the motor.
Drawings
Fig. 1 is a perspective view of an explosion-proof three-phase asynchronous motor provided by the utility model;
fig. 2 is a front view of an explosion-proof three-phase asynchronous motor according to the present utility model;
fig. 3 is a side view of an explosion-proof three-phase asynchronous motor according to the present utility model;
fig. 4 is a cross-sectional view of an explosion-proof three-phase asynchronous motor according to the present utility model.
Legend description:
1. a junction box; 2. a housing; 3. a heat sink; 4. an explosion-proof tank; 5. a fixed rod; 6. a rotating shaft; 7. an explosion-proof housing; 8. a mounting cover; 9. a connection terminal; 10. a heat dissipation layer; 11. an explosion-proof layer; 12. a first axial flow fan; 13. a fixing plate; 14. a second axial flow fan; 15. a dust-proof net.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an explosion-proof three-phase asynchronous motor, including casing 2, casing 2 one side fixedly connected with terminal block 1, terminal block 1 one side fixedly connected with binding post 9, casing 2 front end fixedly connected with installation lid 8, installation lid 8 middle part rotates and is connected with pivot 6, pivot 6 lateral wall is provided with explosion-proof shell 7, a plurality of explosion-proof grooves 4 have been seted up to explosion-proof shell 7 lateral wall, casing 2 inside wall fixedly connected with fixed plate 13, two first axial fan 12 of fixed plate 13 top middle part both sides fixedly connected with, casing 2 inside wall bottom fixedly connected with second axial fan 14, casing 2 bottom fixedly connected with dust screen 15, and dust screen 15 and the coaxial heart setting of second axial fan 14, casing 2 inside is including explosion-proof layer 11, explosion-proof layer 11 outside is by middle part fixedly connected with heat dissipation layer 10, explosion-proof shell 7 is established to the outside cover of the output of motor, and explosion-proof shell 7 goes the installation lid 8 of motor and carry out fixedly connected with, the effectual reduction motor produces the electric spark when pivot 6 rotates in the time of use, and because be provided with dead lever 5 in explosion-proof groove 4 on the explosion-proof shell 7, can effectually improve the motor overall structure of explosion-proof shell 7 and heat dissipation device 13 take place at the time of the axial fan 13 when the axial fan is fixed with the axial fan 2 when setting up the axial fan 13 and the axial fan in the axial fan 2 when the axial fan is formed in the axial fan 13 and the axial fan is fixed to the axial fan when setting up the axial fan 13 and the axial fan 13 when the axial fan is used effectively to the setting up the inside.
One end of a rotating shaft 6 penetrates through the rear end of an explosion-proof shell 7 and the front end of a shell 2 respectively to be rotationally connected with the middle part of a fixing plate 13, fixing rods 5 are fixedly connected to the inner side walls of a plurality of explosion-proof grooves 4 respectively, sealing gaskets are arranged at the joint of a mounting cover 8 and the shell 2, a plurality of heat dissipation grooves 3 are formed in the outer side of a heat dissipation layer 10, two first axial flow fans 12, a wiring terminal 9 and a second axial flow fan 14 are electrically connected with a junction box 1, the thickness of the explosion-proof layer 11 close to the lower side is larger than the thickness of the middle part, the rear end of the explosion-proof shell 7 is fixedly connected with the front end of the mounting cover 8, a dust screen 15 is arranged at the bottom end of a motor and at the same axis with the second axial flow fan 14, dust entering can be effectively avoided, performance of the motor is prevented from being reduced, the heat dissipation effect of the motor is effectively improved by utilizing the heat dissipation grooves 3 on the heat dissipation layer 10 on the outer side of the motor, and the heat dissipation effect of the motor is further improved by increasing the contact area of the motor and air.
Working principle: the explosion-proof shell 7 is sleeved on the outer side of the output end of the motor, the explosion-proof shell 7 is fixedly connected with the mounting cover 8 of the motor, electric sparks generated when the rotating shaft 6 rotates during use of the motor are effectively reduced, and due to the fact that the fixing rod 5 is arranged in the explosion-proof groove 4 on the explosion-proof shell 7, the overall structural strength of the explosion-proof shell 7 can be effectively improved, the safety of the motor during use is effectively improved, the fixing plate 13 is arranged in the motor, the axial flow fan is arranged at the bottom end of the fixing plate 13 and the bottom end of the shell 2, heat generated when the rotating shaft 6 rotates can be primarily transferred to a cavity formed by the fixing plate 13 and the shell 2, meanwhile, the heat is effectively led out through the axial flow fan at the bottom end of the shell 2, explosion caused by overheat during operation of the motor is avoided, dust is effectively prevented from entering the bottom end of the motor and the position coaxial with the second axial flow fan 14, the safety performance of the motor is effectively improved, and meanwhile, the heat dissipation effect of the motor is further improved by increasing the contact area between the motor and the heat dissipation effect of the heat dissipation layer 10.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides an explosion-proof three-phase asynchronous motor, includes casing (2), its characterized in that: the utility model discloses a novel anti-explosion device for the electric motor of the electric motor car, including casing (2), terminal (1) fixedly connected with, terminal (9) of terminal (1) one side fixedly connected with, casing (2) front end fixedly connected with installation lid (8), installation lid (8) middle part rotation is connected with pivot (6), pivot (6) lateral wall is provided with explosion-proof shell (7), a plurality of explosion-proof grooves (4) have been seted up to explosion-proof shell (7) lateral wall, casing (2) inside wall fixedly connected with fixed plate (13), two first axial fan (12) of fixed plate (13) top middle part both sides fixedly connected with, casing (2) inside wall bottom fixedly connected with second axial fan (14), casing (2) bottom fixedly connected with dust screen (15), just dust screen (15) and second axial fan (14) coaxial heart set up, casing (2) inside are including explosion-proof layer (11), the explosion-proof layer (11) outside leans on middle part fixedly connected with heat dissipation layer (10).
2. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: one end of the rotating shaft (6) penetrates through the rear end of the explosion-proof shell (7) and the front end of the shell (2) respectively to be rotationally connected with the middle part of the fixing plate (13).
3. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: the inner side walls of the explosion-proof grooves (4) are respectively and fixedly connected with a fixing rod (5).
4. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: the joint of the mounting cover (8) and the shell (2) is provided with a sealing gasket.
5. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: a plurality of radiating grooves (3) are formed in the outer side of the radiating layer (10).
6. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: the two first axial flow fans (12), the connecting terminal (9) and the second axial flow fans (14) are electrically connected with the junction box (1).
7. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: the thickness of the explosion-proof layer (11) near the lower part is larger than the thickness of the middle part.
8. An explosion-proof three-phase asynchronous motor according to claim 1, wherein: the rear end of the explosion-proof shell (7) is fixedly connected with the front end of the mounting cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322019615.6U CN220368544U (en) | 2023-07-31 | 2023-07-31 | Explosion-proof three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322019615.6U CN220368544U (en) | 2023-07-31 | 2023-07-31 | Explosion-proof three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220368544U true CN220368544U (en) | 2024-01-19 |
Family
ID=89514453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322019615.6U Active CN220368544U (en) | 2023-07-31 | 2023-07-31 | Explosion-proof three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220368544U (en) |
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2023
- 2023-07-31 CN CN202322019615.6U patent/CN220368544U/en active Active
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