CN209982294U - Explosion-proof universal three-phase asynchronous motor - Google Patents
Explosion-proof universal three-phase asynchronous motor Download PDFInfo
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- CN209982294U CN209982294U CN201921146850.7U CN201921146850U CN209982294U CN 209982294 U CN209982294 U CN 209982294U CN 201921146850 U CN201921146850 U CN 201921146850U CN 209982294 U CN209982294 U CN 209982294U
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Abstract
The utility model relates to a flame-proof type universal three-phase asynchronous motor, which comprises a motor shell, wherein a stator is fixedly arranged in an inner cavity of the motor shell, a rotor is arranged in the inner cavity of the stator in a rotating way, a rotating shaft is fixedly arranged in the rotor, a flame-proof cover body is fixedly arranged at the outer side of the motor shell, the motor shell is fixedly arranged in the flame-proof cover body through a mounting ring, a junction box is fixedly arranged at the top of the flame-proof cover body, a mounting plate is arranged below the flame-proof cover body, the top of the mounting plate is connected with the flame-proof cover body through a fixing block, a water guide pipe is arranged in the inner cavity of the flame-proof cover body, a water storage box is arranged at the bottom of the flame-proof cover body and is arranged on the, meanwhile, the motor is prevented from exploding and effectively explosion-proof, and the safety degree of the working environment is improved.
Description
Technical Field
The utility model relates to a general three-phase asynchronous motor of flame-proof type belongs to motor technical field.
Background
The electrical equipment for realizing the interconversion of electric energy and mechanical energy is generally called as a motor, the rotating speed of a rotor of a three-phase asynchronous motor is lower than that of a rotating magnetic field, a rotor winding generates electromotive force and current due to the relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque to realize energy conversion, the motor is sometimes installed in a dangerous work site, and the motor is sometimes installed in a dangerous work site and is mixed with surrounding explosive gas, but the shell of the existing motor is not sealed, the surrounding explosive gas mixture can enter the motor through gaps of joint surfaces of parts of the shell, the motor can explode when ignition sources such as electric sparks, electric arcs and dangerous high temperature are possibly generated in the motor during operation, and the potential safety hazard exists to a certain degree.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a general three-phase asynchronous motor of flame-proof type to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an explosion-proof universal three-phase asynchronous motor comprises a motor shell, wherein a stator is fixedly arranged in the inner cavity of the motor shell, a rotor is rotatably arranged in the inner cavity of the stator, a rotating shaft is fixedly arranged in the rotor, an explosion-proof cover body is fixedly arranged on the outer side of the motor shell, the motor shell is fixedly arranged in the explosion-proof cover body through the mounting ring, the top of the explosion-proof cover body is fixedly provided with a junction box, an installation plate is arranged below the explosion-proof cover body, the top of the installation plate is connected with the explosion-proof cover body through a fixed block, the inner cavity of the explosion-proof cover body is provided with a water guide pipe, the bottom of the explosion-proof cover body is provided with a water storage tank, the water storage tank is arranged on the mounting plate, the water storage tank is communicated with the water guide pipe, the left side of the explosion-proof cover body is fixedly provided with a front end cover, the right side of the explosion-proof cover body is fixedly provided with a rear end cover, and the rear end cover is fixedly provided with a cooling fan.
Further, radiating fins are uniformly distributed on the outer side of the motor shell and are positioned between the motor shell and the explosion-proof cover body.
Furthermore, a wiring terminal is fixedly arranged in the wiring box, a sealing cover is arranged at the top of the wiring box, and insulating layers are arranged on the outer surface of the wiring box.
Further, the mounting holes are symmetrically formed in the mounting plate, and a rubber pad is fixedly arranged at the bottom of the mounting plate.
Furthermore, the water guide pipe is spirally arranged in the explosion-proof cover body, a sound insulation layer is arranged on the inner surface of the explosion-proof cover body, and reinforcing ribs are uniformly arranged on the outer side of the explosion-proof cover body.
Furthermore, a water pump is fixedly installed on one side of the inner cavity of the water storage tank, and a water filling port and a drain hole are formed in the water storage tank.
Further, the front end cover is fixedly provided with a shaft sleeve, the shaft sleeve is penetrated through by the rotating shaft, air holes are formed in the front end cover and the rear end cover, and filter screens are arranged in the air holes.
The utility model has the advantages that: the utility model relates to a flame-proof type universal three-phase asynchronous motor, through setting up the flame-proof cover body, the flame-proof cover body can prevent the motor from exploding effectively, improve its security performance, let three-phase asynchronous motor have more shock-resistant, shock resistance performance etc., through setting up the aqueduct, the cooling water in the water storage box is conveyed to the aqueduct through the water pump, and the circulation flow, can effectively reduce the temperature of the motor when using, and set up the cooling-fan, the heat that the motor produced is transmitted out through the radiating fin, and the cooling-fan is located the motor fan housing position, open the cooling-fan and can form the cooling-air duct in the flame-proof cover body, can effectively avoid the temperature rise too fast in the working process of the motor, prevent the motor from exploding in source, improve the safety degree of the working environment, the terminal box can, the motor has good insulating property, can prevent electric leakage, and has high overall mechanical strength and higher use safety.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the overall structure of a flameproof universal three-phase asynchronous motor of the present invention;
FIG. 2 is a cross-sectional view of the flame-proof type universal three-phase asynchronous motor of the present invention;
FIG. 3 is a schematic cross-sectional view of the explosion-proof universal three-phase asynchronous motor of the present invention;
fig. 4 is a schematic diagram of a water guide pipe of the explosion-proof universal three-phase asynchronous motor of the present invention;
FIG. 5 is a schematic diagram of the connection of the end caps of the explosion-proof universal three-phase asynchronous motor of the present invention;
reference numbers in the figures: 1. a motor housing; 2. a stator; 3. a rotor; 4. a rotating shaft; 5. an explosion-proof cover body; 6. a mounting ring; 7. a junction box; 8. mounting a plate; 9. a water conduit; 10. a water storage tank; 11. a front end cover; 12. a rear end cap; 13. a heat radiation fan; 14. a heat dissipating fin; 15. a binding post; 16. a sealing cover; 17. mounting holes; 18. reinforcing ribs; 19. a water pump; 20. a shaft sleeve; 21. and (4) air holes.
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.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution: a flame-proof type universal three-phase asynchronous motor comprises a motor shell 1, wherein a stator 2 is fixedly arranged in an inner cavity of the motor shell 1, a rotor 3 is rotatably arranged in an inner cavity of the stator 2, a rotating shaft 4 is fixedly arranged in the rotor 3, a flame-proof cover body 5 is fixedly arranged on the outer side of the motor shell 1, the motor shell 1 is fixedly arranged in the flame-proof cover body 5 through a mounting ring 6, the flame-proof cover body 5 can effectively prevent the motor from exploding, the safety performance of the motor is improved, the three-phase asynchronous motor has the performances of impact resistance, impact resistance and the like, a junction box 7 is fixedly arranged at the top of the flame-proof cover body 5, the junction can be well protected, good insulating property is achieved, electric leakage can be prevented, a mounting plate 8 is arranged below the flame-proof cover body 5, the inner cavity of the flameproof cover body 5 is provided with a water guide pipe 9, the bottom of the flameproof cover body 5 is provided with a water storage tank 10, the water storage tank 10 is installed on an installation plate 8, the water storage tank 10 is communicated with the water guide pipe 9, cooling water in the water storage tank 10 is conveyed into the water guide pipe 9 through a water pump 19 and flows circularly, the temperature of the motor in use can be effectively reduced, the left side of the flameproof cover body 5 is fixedly provided with a front end cover 11, the right side of the flameproof cover body 5 is fixedly provided with a rear end cover 12, a heat dissipation fan 13 is fixedly installed on the rear end cover 12, heat generated by the motor is transferred out through a heat dissipation fin 14, the heat dissipation fan 13 is positioned at the position of a motor fan cover, a heat dissipation air duct can be formed in the flameproof cover body 5 by opening the heat dissipation, the safety degree of the working environment is improved.
More specifically, the heat dissipation fins 14 are uniformly distributed on the outer side of the motor housing 1, the heat dissipation fins 14 are positioned between the motor housing 1 and the flameproof cover body 5, so that heat generated during operation of the motor can be conveniently dissipated, the internal temperature of the motor is prevented from being too high, the wiring terminal 15 is fixedly arranged in the wiring terminal 7, the top of the wiring terminal 7 is provided with the sealing cover 16, the outer surface of the wiring terminal 7 is provided with the insulating layer, the sealing performance of the wiring position is improved, sparks generated at the connecting position are avoided, the mounting plate 8 is symmetrically provided with the mounting holes 17, the bottom of the mounting plate 8 is fixedly provided with the rubber pad, so that the motor can be conveniently and fixedly mounted, the water guide pipe 9 is spirally arranged in the flameproof cover body 5, the inner surface of the flameproof cover body 5 is provided with the sound insulation layer, the intensity of the flame-proof cover body 5 is strengthened to the strengthening rib 18, guarantees the security of motor when using, water storage box 10 inner chamber one side fixed mounting has water pump 19, water filling port and evacuation hole have been seted up on the water storage box 10, can let the cooling water at aqueduct 9 inner loop flow, further increase the radiating effect of motor, the fixed axle sleeve 20 that is provided with on the front end housing 11, pivot 4 runs through axle sleeve 20, bleeder vent 21 has all been seted up on front end housing 11, the rear end housing 12, all be provided with the filter screen in the bleeder vent 21, can let the flame-proof cover body 5 in have the air to flow, the heat dissipation of the motor of being convenient for.
Example 2
As shown in fig. 5, the connecting sections are fixedly arranged on one sides of the front end cover 11 and the rear end cover 12, the inner walls of the two ends of the explosion-proof cover body 5 are provided with the connecting grooves, the connecting threads are arranged in the connecting sections and the connecting grooves, the three-phase asynchronous motor is conveniently installed in the explosion-proof cover body 5 during installation, the three-phase asynchronous motor is fixed through the front end cover 11 and the rear end cover 12, and the installation and the disassembly are simple.
The utility model discloses the theory of operation: install three-phase asynchronous motor in the explosion-proof cover body 5, let the motor be connected with the power through terminal box 7, the butt joint department that can be fine protects, there is good insulating nature, prevent the electric leakage, carry the cooling water in water storage box 10 to aqueduct 9 in through water pump 19 when the motor operates, and the circulation flows, can effectively reduce the temperature of motor when using, the heat that the motor produced simultaneously passes through radiating fin 14 and transmits out, and radiator fan 13 is located motor fan housing position, it can form the radiating air duct in the explosion-proof cover body 5 to open radiator fan 13, avoid motor working process medium temperature to rise too fast, prevent the motor from exploding in the source, operational environment's degree of safety has been improved.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a general three-phase asynchronous motor of flame-proof type, includes motor casing (1), its characterized in that: the motor shell is characterized in that a stator (2) is fixedly arranged in an inner cavity of the motor shell (1), a rotor (3) is rotatably arranged in the inner cavity of the stator (2), a rotating shaft (4) is fixedly arranged in the rotor (3), an explosion-proof cover body (5) is fixedly arranged on the outer side of the motor shell (1), the motor shell (1) is fixedly arranged in the explosion-proof cover body (5) through a mounting ring (6), a junction box (7) is fixedly arranged at the top of the explosion-proof cover body (5), a mounting plate (8) is arranged below the explosion-proof cover body (5), the top of the mounting plate (8) is connected with the explosion-proof cover body (5) through a fixing block, a water guide pipe (9) is arranged in the inner cavity of the explosion-proof cover body (5), a water storage tank (10) is arranged at the bottom of the explosion-proof cover, the explosion-proof cover is characterized in that a front end cover (11) is fixedly arranged on the left side of the explosion-proof cover body (5), a rear end cover (12) is fixedly arranged on the right side of the explosion-proof cover body (5), and a cooling fan (13) is fixedly arranged on the rear end cover (12).
2. The explosion-proof universal three-phase asynchronous motor according to claim 1, characterized in that: radiating fins (14) are uniformly distributed on the outer side of the motor shell (1), and the radiating fins (14) are located between the motor shell (1) and the explosion-proof cover body (5).
3. The explosion-proof universal three-phase asynchronous motor according to claim 1, characterized in that: the terminal box is characterized in that a terminal post (15) is fixedly arranged in the terminal box (7), a sealing cover (16) is arranged at the top of the terminal box (7), and insulating layers are arranged on the outer surface of the terminal box (7).
4. The explosion-proof universal three-phase asynchronous motor according to claim 1, characterized in that: mounting holes (17) have been seted up to the symmetry on mounting panel (8), just mounting panel (8) bottom is fixed and is provided with the rubber pad.
5. The explosion-proof universal three-phase asynchronous motor according to claim 1, characterized in that: the water guide pipe (9) is spirally arranged in the explosion-proof cover body (5), a sound insulation layer is arranged on the inner surface of the explosion-proof cover body (5), and reinforcing ribs (18) are uniformly arranged on the outer side of the explosion-proof cover body (5).
6. The explosion-proof universal three-phase asynchronous motor according to claim 1, characterized in that: a water pump (19) is fixedly installed on one side of the inner cavity of the water storage tank (10), and a water filling port and a drain hole are formed in the water storage tank (10).
7. The explosion-proof universal three-phase asynchronous motor according to claim 1, characterized in that: the novel filter screen is characterized in that a shaft sleeve (20) is fixedly arranged on the front end cover (11), the shaft sleeve (20) is penetrated through the rotating shaft (4), air holes (21) are formed in the front end cover (11) and the rear end cover (12), and filter screens are arranged in the air holes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146850.7U CN209982294U (en) | 2019-07-22 | 2019-07-22 | Explosion-proof universal three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921146850.7U CN209982294U (en) | 2019-07-22 | 2019-07-22 | Explosion-proof universal three-phase asynchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN209982294U true CN209982294U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921146850.7U Active CN209982294U (en) | 2019-07-22 | 2019-07-22 | Explosion-proof universal three-phase asynchronous motor |
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| CN (1) | CN209982294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300527A (en) * | 2021-05-19 | 2021-08-24 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
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2019
- 2019-07-22 CN CN201921146850.7U patent/CN209982294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300527A (en) * | 2021-05-19 | 2021-08-24 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
| CN113300527B (en) * | 2021-05-19 | 2022-06-21 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
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Address after: 214000 No.22, Hongxiang Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Nanyang Motor Technology Co.,Ltd. Address before: 508-1501, gaolang East Road, Wuxi City, Jiangsu Province, 214000 Patentee before: Wuxi Nanyang Motor Technology Co.,Ltd. |