CN215419907U - High-power three-phase asynchronous motor - Google Patents
High-power three-phase asynchronous motor Download PDFInfo
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- CN215419907U CN215419907U CN202121484897.1U CN202121484897U CN215419907U CN 215419907 U CN215419907 U CN 215419907U CN 202121484897 U CN202121484897 U CN 202121484897U CN 215419907 U CN215419907 U CN 215419907U
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- phase asynchronous
- asynchronous motor
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Abstract
The utility model discloses a high-power three-phase asynchronous motor which comprises a base, wherein a damping supporting leg is installed at the top end of the base, the top end of the damping supporting leg is connected with a flame-proof shell, a stator is embedded and installed on the inner wall of the flame-proof shell, one end of the flame-proof shell is connected with an end cover, a bearing is fixedly installed in the center of the end cover, a partition disc is installed inside the other end of the flame-proof shell, the center of the partition disc is connected with a rotating shaft, the rotating shaft penetrates through the partition disc and the bearing, a rotor is fixedly installed in the middle of the rotating shaft, and a housing is installed at one end of the flame-proof shell. The utility model has the beneficial effects that: through the explosion-proof shell, structurally isolate the circuit in the motor from the surrounding environment, make the electric spark and high temperature that the electric spark formed when making the electric motor normally work all restrict within the explosion-proof shell, prevent that the high temperature that produces and electric spark from igniting the flammable and explosive gas around when the electric motor breaks down, through the shock attenuation supporting leg that is equipped with, prevented the emergence of resonance phenomenon.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a high-power three-phase asynchronous motor.
Background
The three-phase asynchronous motor is one of induction motors, and is a motor supplied with power by simultaneously connecting 380V three-phase alternating current (phase difference of 120 degrees), and is called a three-phase asynchronous motor because a rotor and a stator rotating magnetic field of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds and have slip ratios. 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 between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion. After the existing three-phase asynchronous motor on the market is installed on a workbench, the motor can generate vibration with a certain frequency during rotation, the vibration can drive the workbench or the motor to generate resonance, so that the operation of equipment is influenced, the vibration can generate larger noise, and the existing three-phase asynchronous motor can be easily exploded due to overhigh temperature rise in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-power three-phase asynchronous motor, which solves the problems that the three-phase asynchronous motor in the market is easy to explode due to the rise of temperature and has no explosion-proof protection, and the three-phase asynchronous motor generates huge vibration and has no vibration-proof effect when running.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-power three-phase asynchronous motor, includes the base, the shock attenuation supporting leg is installed on the base top, shock attenuation supporting leg top is connected with the flame proof casing, the stator is installed to flame proof casing inner wall inlaying, flame proof casing one end is connected with the end cover, end cover center fixed mounting has the bearing, flame proof casing other end internally mounted has the partition disc, it is connected with the axis of rotation to separate the disc center, the axis of rotation runs through partition disc and bearing, axis of rotation middle part fixed mounting has the rotor, the housing is installed to flame proof casing one end.
As a preferred scheme of the utility model: the shock attenuation supporting leg include with base fixed connection's bottom suspension fagging pole, the inner chamber has been seted up to the bottom suspension fagging pole, the spring is installed to the inner chamber bottom, the other end of spring is connected with the bracing piece, go up bracing piece and bottom suspension fagging pole sliding connection, shock attenuation supporting leg quantity is four.
As a preferred scheme of the utility model: the partition disc is provided with a through hole, one end of the rotating shaft is provided with a cooling fan, and one side of the housing is provided with a cooling hole.
As a preferred scheme of the utility model: and a dust screen is arranged in the heat dissipation hole.
As a preferred scheme of the utility model: and the top end of the flameproof shell is provided with a handle.
Compared with the prior art, the utility model has the beneficial effects that:
1) the explosion-proof shell structurally isolates a circuit in the motor from the surrounding environment, so that heat generated by the motor in normal operation and electric sparks and high temperature generated in a fault state are limited in the explosion-proof shell, and the high temperature generated when the motor is in fault and the electric sparks are prevented from igniting surrounding flammable and explosive gases.
2) Through the shock attenuation supporting leg that is equipped with, the vibrations that the motor produced in high-speed motion process are alleviateed via the spring for the vibration can not lead to the fact the influence to with electrical apparatus, prevent to take place resonance phenomenon, through the radiator fan that is equipped with, effectual inside temperature when having reduced the motor operation, the operating efficiency of motor has been improved, inside dust entering motor has been prevented through the dust screen that is equipped with, through the handle person of facilitating the use gripping that is equipped with, the removal and the adjustment of mounted position to the motor have been made things convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the shock absorbing support leg of the present invention;
fig. 4 is a schematic structural view of the end cap of the present invention.
In the figure: 1. a base; 2. damping support legs; 21. a lower support bar; 22. an inner cavity; 23. a spring; 24. an upper support rod; 3. an explosion-proof shell; 4. a stator; 5. an end cap; 6. a bearing; 7. a partition disk; 8. a rotating shaft; 9. a rotor; 10. a housing; 11. a through hole; 12. a heat radiation fan; 13. heat dissipation holes; 14. a dust screen; 15. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high-power three-phase asynchronous motor, which comprises a base 1, damping support leg 2 is installed on 1 top of base, damping support leg 2 top is connected with flame proof casing 3, 3 inner walls of flame proof casing are inlayed and are installed stator 4, 3 one end of flame proof casing are connected with end cover 5, 5 central fixed mounting of end cover have bearing 6, 3 other end internally mounted of flame proof casing have partition disc 7, partition disc 7 central authorities are connected with axis of rotation 8, axis of rotation 8 runs through partition disc 7 and bearing 6, 8 middle part fixed mounting of axis of rotation have rotor 9, housing 10 is installed to 3 one end of flame proof casing.
Specifically, in order to prevent high temperature generated when the motor fails and electric sparks ignite surrounding flammable and explosive gases, the flameproof housing 3 is used for structurally isolating the circuit from the surrounding environment, so that heat generated when the circuit normally works and electric sparks and high temperature generated when the circuit fails are limited in the flameproof housing 3.
In this embodiment: damping support leg 2 includes the lower support bar 21 with base 1 fixed connection, and inner chamber 22 has been seted up to lower support bar 21, and spring 23 is installed to inner chamber 22 bottom, and the other end of spring 23 is connected with bracing piece 24, goes up bracing piece 24 and 21 sliding connection of lower support bar, and 2 quantity of damping support leg are four.
Specifically, the high-power three-phase asynchronous motor generates great vibration due to high-speed movement during working, and the motor is damped through the spring 23 through the damping support leg 2 arranged during vibration of the motor, so that the influence of resonance is reduced.
In this embodiment: the partition disc 7 is provided with a through hole 11, one end of the rotating shaft 8 is provided with a cooling fan 12, and one side of the housing 10 is provided with a cooling hole 13.
Specifically, the high-power motor is in operation because rotor 9 rotates at a high speed, thereby resulting in temperature rise, and the use of motor can be influenced by too high temperature, so it is necessary to reduce the temperature of motor during operation, through radiator fan 12 that is equipped with, set up through-hole 11 on separating disc 7 and make the heat that rotor 9 motion produced be inhaled by radiator fan 12 and blow away from louvre 13, make the inside temperature of motor decline.
In this embodiment: a dust screen 14 is installed in the heat dissipation hole 13.
Specifically, the motor is easy to pile up the dust at the in-process of placing for a long time, and the dust gets into the inside availability factor that can reduce of motor, through at louvre 13 department installation dust screen 14, can prevent that the dust from getting into inside the motor.
In this embodiment: the top end of the flameproof shell 3 is provided with a handle 15.
Specifically, the staff is at the in-process that removes or adjust installation angle to the motor, inconvenient gripping fine setting, the handle 15 through being equipped with is convenient for the user gripping and the position of adjustment installation.
The working principle is as follows: when the high-power three-phase asynchronous motor is used, firstly, the motor is electrified, after three-phase symmetrical alternating current is introduced into a three-phase stator 4 winding of the motor, a rotating magnetic field is generated, the rotating magnetic field cuts a rotor 9 winding, so that induced current is generated in the rotor 9 winding, a current-carrying rotor 9 conductor generates electromagnetic force under the action of the rotating magnetic field of the stator 4, so that electromagnetic torque is formed on a rotating shaft of the motor, the motor is driven to rotate, the rotating direction of the motor is the same as that of the rotating magnetic field, the high-power three-phase asynchronous motor is provided with an explosion-proof shell 3, a circuit in the motor is structurally isolated from the surrounding environment, heat generated by the motor in normal operation, electric sparks and high temperature generated in a fault state are limited in the explosion-proof shell 3, and the high temperature generated when the motor breaks down and the electric sparks ignite flammable and explosive gases around the electric sparks, this high-power three-phase asynchronous motor is equipped with shock attenuation supporting leg 2, prevents that the high-speed motion of motor from producing resonance phenomenon, and this high-power three-phase asynchronous motor is equipped with radiator fan 12, the effectual inside temperature when having reduced the motor operation, has improved the operating efficiency of motor, and the dust screen 14 that is equipped with has prevented inside the dust gets into the motor, and the handle 15 through being equipped with is convenient for the user gripping, has made things convenient for the removal and the adjustment of mounted position to the motor.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.
Claims (5)
1. A high-power three-phase asynchronous motor comprises a base (1), and is characterized in that: shock attenuation supporting leg (2) are installed on base (1) top, shock attenuation supporting leg (2) top is connected with flame proof casing (3), flame proof casing (3) inner wall is inlayed and is installed stator (4), flame proof casing (3) one end is connected with end cover (5), end cover (5) center fixed mounting has bearing (6), flame proof casing (3) other end internally mounted has partition disc (7), it is connected with axis of rotation (8) to separate disc (7) center, axis of rotation (8) run through and separate disc (7) and bearing (6), axis of rotation (8) middle part fixed mounting has rotor (9), housing (10) are installed to flame proof casing (3) one end.
2. A high power three phase asynchronous motor according to claim 1, characterized in that: damping support leg (2) include with base (1) fixed connection's lower support bar (21), inner chamber (22) have been seted up in lower support bar (21), spring (23) are installed to inner chamber (22) bottom, the other end of spring (23) is connected with bracing piece (24), go up bracing piece (24) and lower support bar (21) sliding connection, damping support leg (2) quantity is four.
3. A high power three phase asynchronous motor according to claim 1, characterized in that: the partition disc (7) is provided with a through hole (11), one end of the rotating shaft (8) is provided with a cooling fan (12), and one side of the housing (10) is provided with a cooling hole (13).
4. A high power three phase asynchronous motor according to claim 3, characterized in that: and a dust screen (14) is arranged in the heat dissipation hole (13).
5. A high power three phase asynchronous motor according to claim 1, characterized in that: and a handle (15) is arranged at the top end of the flameproof shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484897.1U CN215419907U (en) | 2021-07-01 | 2021-07-01 | High-power three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484897.1U CN215419907U (en) | 2021-07-01 | 2021-07-01 | High-power three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215419907U true CN215419907U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121484897.1U Active CN215419907U (en) | 2021-07-01 | 2021-07-01 | High-power three-phase asynchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979739A (en) * | 2023-08-07 | 2023-10-31 | 上海大速科技有限公司 | Flameproof three-phase asynchronous motor with tightness detection function |
-
2021
- 2021-07-01 CN CN202121484897.1U patent/CN215419907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979739A (en) * | 2023-08-07 | 2023-10-31 | 上海大速科技有限公司 | Flameproof three-phase asynchronous motor with tightness detection function |
| CN116979739B (en) * | 2023-08-07 | 2024-03-26 | 上海大速科技有限公司 | Flameproof three-phase asynchronous motor with tightness detection function |
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