CN218482743U

CN218482743U - Frequency conversion three-phase asynchronous motor

Info

Publication number: CN218482743U
Application number: CN202121778476.XU
Authority: CN
Inventors: 叶正聪
Original assignee: Guanglu Electrical Co ltd
Current assignee: Guanglu Electrical Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2023-02-14
Anticipated expiration: 2031-08-02

Abstract

The utility model provides a frequency conversion three-phase asynchronous motor, including three-phase asynchronous motor protection machanism, three-phase asynchronous motor protection machanism includes and supports fixed supporting baseplate with ground, and the vertical support in top of supporting baseplate has square protecting box, and a plurality of heat dissipation fluting has all been seted up to the bottom both sides side of square protecting box, and a plurality of heat dissipation fluting trench surface has all covered the square wind board that filters in proper order, and the inboard laminating of square wind board that filters has the net cloth of filtration. The utility model provides a frequency conversion three-phase asynchronous motor utilizes the meshing gear train of one side, driven gear ware and the meshing of driving gear to rotate down for the motor normally rotates, realizes the frequency conversion power supply of power according to current supply intensity and rotational speed.

Description

Frequency conversion three-phase asynchronous motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be frequency conversion three-phase asynchronous motor.

Background

An induction motor, also known as an asynchronous motor, is a device in which a rotor is placed in a rotating magnetic field and, under the action of the rotating magnetic field, a rotating torque is obtained, so that the rotor rotates. The rotor is a rotatable conductor, often in the form of a squirrel cage. Was invented in 1887 by the electrical engineer in nigula tesla. The terms introduce the concept, inventor, principles of operation, basic structure, mode of operation, braking mode, asynchronous features, specifications, and fault checking of induction motors.

Traditional three-phase asynchronous motor is in the installation use, can't adjust motor's rotational speed as required, when the frequency conversion operation, leads to asynchronous motor can't install, and the installation effectiveness is lower, and the radiating effect is not good simultaneously, leads to the motor to burn out easily at full speed operation in-process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frequency conversion three-phase asynchronous motor to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the variable-frequency three-phase asynchronous motor comprises a three-phase asynchronous motor protection mechanism, wherein the three-phase asynchronous motor protection mechanism comprises a supporting bottom plate which is supported and fixed with the ground, a square protection box is vertically supported on the top of the supporting bottom plate, a plurality of radiating grooves are formed in two side sides of the bottom of the square protection box, square filtering air plates are sequentially covered on the surfaces of groove positions of the radiating grooves, and filtering gridding cloth is attached to the inner sides of the square filtering air plates;

the square protective box is internally hollow, and is embedded with motor output mechanism, motor output mechanism is including the guard plate of scarf joint at square protective box lateral wall, circular fluting has been seted up at the end middle part of guard plate, circular grooved trench is embedded to have the rotation axle sleeve, the one end of rotating the axle sleeve transversely rotates there is the drive to change the roller, the one end of drive to change the roller is provided with first meshing gear, one side cover of first meshing gear is equipped with the meshing ring gear, the outside of meshing ring gear has covered first stop collar, first fastening screw hole, a plurality of have all been seted up to four edges of the outer wall of first stop collar the threaded interlude of first fastening screw hole has the lead screw, the one end of lead screw is connected with the second stop collar meshing that the back set up.

In order to make the slew velocity of convenient accommodate motor output shaft, as the utility model relates to an optimal selection scheme: the meshing of the middle part of first stop collar is equipped with second meshing gear, the outside rotation of second meshing gear is equipped with a plurality of meshing gear train, a plurality of meshing gear train's one end is provided with driven gear ware, a plurality of driven gear ware's one end has covered spacing frame, a plurality of connection hole has been seted up to spacing frame's outside, and the bottom that is located meshing gear train still meshes the rotation and has the driving gear.

In order to make and utilize the rotation of inside brushless rotor electric drive gear, as the utility model relates to a preferred scheme: the one end of driving gear still is equipped with the rotor shell, the inside rotation ware that is used for the pivoted that embeds of casing of rotor shell, the output of rotation ware is connected with the one end transmission of driving gear, the inside brushless rotor that is provided with of rotor shell.

In order to make the stability of the in-process of improving the power at the frequency conversion, as the utility model relates to an optimal scheme: the box top of square protective housing still is equipped with the power supply box, the box top of power supply box still supports organic case shell, the casing of case shell is inside to be put to have the forced air cooling radiator, the lateral wall middle part of forced air cooling radiator is provided with asynchronous power supply, the heat dissipation hole site has been seted up to the casing outer wall of case shell, the trench outside cover of heat dissipation hole site has connect outside frame, a plurality of heat dissipation trompil, a plurality of have been seted up in proper order on outside frame's surface the position of heat dissipation trompil is corresponding with the one end position of forced air cooling radiator.

In order to make the convenience install this motor, conduct the utility model relates to an optimal scheme: four edges of the side wall of the outer side cover of the asynchronous power supply are respectively provided with a plurality of second fastening threaded holes, and the hole site surfaces of the second fastening threaded holes are in threaded connection with fastening pins.

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

1) The motor output mechanism is convenient to mount in a buckling mode through the supporting bottom plate, the square protective box and the heat dissipation groove, the driving roller at the end is driven to rotate through the protective plate, the circular groove and the rotating shaft sleeve, when the driving roller rotates, the output end of the motor rolls through the meshing rotation of the meshing gear set, the driven gear and the driving gear on one side, and the variable-frequency power supply of a power supply is realized according to the current supply intensity and the rotating speed;

2) Through the rotor shell, the power box, the case shell and the external frame which are arranged, the power supply for electrifying is conveniently installed in a pre-embedded mode, and the built-in heat radiator is combined to absorb heat to delay aging of machinery caused by high temperature when the motor rotates at high speed.

Drawings

Fig. 1 is a schematic structural view of a motor output mechanism of the present invention;

FIG. 2 is a schematic end view of the present invention;

fig. 3 is a schematic view of the back structure of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. a three-phase asynchronous motor protection mechanism; 12. a support base plate; 13. a square protective box; 14. heat dissipation slotting; 15. a square filtering air plate; 2. a motor output mechanism; 21. a protection plate; 22. circular slotting; 23. rotating the shaft sleeve; 24. driving the roller; 25. a first meshing gear; 26. meshing the gear ring; 27. a first stop collar; 28. a first fastening threaded hole; 29. a screw rod screw; 291. a meshing gear set; 292. a driven gear; 293. a connecting hole; 294. a driving gear; 295. a rotor case; 3. a power supply box; 31. a housing shell; 32. an outer frame; 33. opening a heat dissipation hole; 34. a second fastening threaded hole; 35. and fastening the pin.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the variable-frequency three-phase asynchronous motor comprises a three-phase asynchronous motor protection mechanism 1, wherein the three-phase asynchronous motor protection mechanism 1 comprises a supporting base plate 12 which is supported and fixed with the ground, a square protection box 13 is vertically supported on the top of the supporting base plate 12, a plurality of radiating grooves 14 are formed in two side sides of the bottom of the square protection box 13, square filtering air plates 15 are sequentially covered on the groove surfaces of the radiating grooves 14, and filtering gridding cloth is attached to the inner sides of the square filtering air plates 15;

the inside cavity of square guard box 13, and the embedded motor output mechanism 2 that is provided with, motor output mechanism 2 is including the guard plate 21 of scarf joint at the lateral wall of square guard box 13, circular fluting 22 has been seted up at the end middle part of guard plate 21, the trench of circular fluting 22 is embedded to have the rotation axle sleeve 23, the one end of rotating axle sleeve 23 transversely rotates has drive rotor 24, the one end of drive rotor 24 is provided with first meshing gear 25, one side cover of first meshing gear 25 is equipped with meshing ring gear 26, the outside of meshing ring gear 26 has covered first stop collar 27, first fastening screw hole 28 has all been seted up to four edges of the outer wall of first stop collar 27, the internal thread interlude of the first fastening screw hole 28 of a plurality of has lead screw 29, the one end of lead screw 29 is connected with the second stop collar meshing that the back set up.

In this embodiment: the meshing of the middle part of first stop collar 27 is equipped with second meshing gear, and the outside rotation of second meshing gear is equipped with a plurality of meshing gear set 291, and the one end of a plurality of meshing gear set 291 is provided with driven gear ware 292, and the one end cover of a plurality of driven gear ware 292 has connect spacing frame, and a plurality of connection hole 293 has been seted up to spacing frame's outside, and the bottom that is located meshing gear set 291 still meshes the rotation and has driving gear 294.

The first stop collar 27, the second meshing gear and the set of meshing gears 291 are provided for rotation of the electric internal output gear 292, and the engagement of the internal connection opening 293 is achieved by rotation of the output gear 292.

In this embodiment: a rotor shell 295 is further disposed at one end of the driving gear 294, a rotator for rotation is disposed in the interior of the housing of the rotor shell 295, an output end of the rotator is in transmission connection with one end of the driving gear 294, and a brushless rotor is disposed in the interior of the rotor shell 295.

Through the rotor shell 295, the driving gear 294 and the brushless rotor that are provided, the brushless driving of the internal rotor is conveniently realized.

In this embodiment: the power box 3 is further arranged at the top of the box body of the square protective box 13, the box body top of the power box 3 further supports the organic box shell 31, an air-cooled radiator is arranged inside a shell of the organic box shell 31, an asynchronous power supply is arranged in the middle of the side wall of the air-cooled radiator, a radiating hole position is formed in the outer wall of the shell of the organic box shell 31, an external frame 32 covers the outside of a groove position of the radiating hole position, a plurality of radiating holes 33 are sequentially formed in the surface of the external frame 32, and the positions of the plurality of radiating holes 33 correspond to one end position of the air-cooled radiator.

The power supply device for supplying power is convenient to install in the power box 3.

In this embodiment: a plurality of second fastening screw hole 34 has been seted up respectively to four edges of lateral wall of asynchronous power supply's outside cover, and the equal threaded connection in hole site surface of a plurality of second fastening screw hole 34 has fastening pin 35.

The subsequent disassembly of the motor power supply is facilitated.

When the three-phase asynchronous motor is used, firstly, a user needs to place the support base plate 12 and a ground support, holes are formed in four corners outside the support base plate 12 to ensure that the support base plate 12 is fixedly supported with the ground through threads, then the motor output mechanism 2 is installed in the square protection box 13 below, under the installation effect of the square protection box 13, corresponding protection is conveniently achieved for gear driving ends of the three asynchronous motors, at the moment, the installer needs to enable one end of the driving rotary roller 24 to penetrate through the circular slot 22, the motor cannot be blocked in the rotating process under the effect of the rotating shaft sleeve 23 embedded in the circular slot 22, at the moment, the user only needs to enable the end of the motor to be connected with a power supply above through a wiring, after the motor is powered on, the current strength output under different voltage effects is consistent through the voltage output effect of the power supply, at the moment, the output end is located on a rotator arranged inside the rotor shell 295, the driving gear 294 is driven to rotate, the meshing gear set above the driving gear set is driven by the driving gear set 294, the meshing gear set, the torque of the gear set 291 is changed, and the user only needs to drive the first meshing gear 25 on the outer side, and then the output end 291 of the driving rotary roller 24 is connected with the driving end of the driving rotary roller.

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 modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims

1. The variable-frequency three-phase asynchronous motor comprises a three-phase asynchronous motor protection mechanism (1) and is characterized in that the three-phase asynchronous motor protection mechanism (1) comprises a supporting bottom plate (12) which is supported and fixed with the ground, a square protection box (13) is vertically supported at the top of the supporting bottom plate (12), a plurality of radiating grooves (14) are formed in two sides of the bottom of the square protection box (13), square filtering air plates (15) are sequentially covered on the groove position surfaces of the radiating grooves (14), and filtering gridding cloth is attached to the inner sides of the square filtering air plates (15);

the utility model discloses a motor protection device, including square protective housing (13), square protective housing (13) inside cavity, and embedded motor output mechanism (2) that is provided with, motor output mechanism (2) are including scarf joint guard plate (21) at square protective housing (13) lateral wall, circular fluting (22) have been seted up at the end middle part of guard plate (21), the trench of circular fluting (22) is embedded to have a rotation axle sleeve (23), the one end of rotating axle sleeve (23) is transversely rotated there is drive commentaries on classics roller (24), the one end of drive commentaries on classics roller (24) is provided with first meshing gear (25), one side cover of first meshing gear (25) is equipped with meshing ring gear (26), the outside cover of meshing ring gear (26) has first stop collar (27), first fastening screw hole (28), a plurality of all have been seted up to four edges of outer wall of first stop collar (27) first fastening screw hole (28) internal thread interlude has screw rod (29), the one end and the second stop collar meshing that the back set up of screw rod (29) are connected.

2. The variable frequency three-phase asynchronous motor according to claim 1, characterized in that: the middle part meshing of first stop collar (27) is equipped with second meshing gear, the outside rotation of second meshing gear is equipped with a plurality of meshing gear train (291), a plurality of the one end of meshing gear train (291) is provided with driven gear ware (292), a plurality of the one end cover of driven gear ware (292) has connect spacing frame, a plurality of connection hole (293) have been seted up to spacing frame's outside, and the bottom that is located meshing gear train (291) still meshes the rotation and has driving gear (294).

3. A variable frequency three-phase asynchronous motor according to claim 2, characterized in that: one end of the driving gear (294) is further provided with a rotor shell (295), a rotator used for rotating is arranged in the shell of the rotor shell (295), the output end of the rotator is in transmission connection with one end of the driving gear (294), and a brushless rotor is arranged in the rotor shell (295).

4. A variable frequency three-phase asynchronous motor according to claim 1, characterized in that: the box top of square protective housing (13) still is equipped with power supply box (3), the box top of power supply box (3) still supports organic case shell (31), the inside built-in air-cooled radiator that has of casing of case shell (31), the lateral wall middle part of air-cooled radiator is provided with asynchronous power supply, the heat dissipation hole site has been seted up to the casing outer wall of case shell (31), the trench outside cover of heat dissipation hole site has outside frame (32), a plurality of heat dissipation trompil (33), a plurality of have been seted up in proper order on the surface of outside frame (32) the position of heat dissipation trompil (33) is corresponding with the one end position of air-cooled radiator.

5. The variable frequency three-phase asynchronous motor according to claim 4, characterized in that: four edges of the side wall of the outer side cover of the asynchronous power supply are respectively provided with a plurality of second fastening threaded holes (34), and the hole site surfaces of the second fastening threaded holes (34) are in threaded connection with fastening pins (35).