CN214380424U

CN214380424U - Insulation device for motor

Info

Publication number: CN214380424U
Application number: CN202120072070.3U
Authority: CN
Inventors: 林阁
Original assignee: Leshan Sanyuan Motor Co ltd
Current assignee: Leshan Sanyuan Motor Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-10-08
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses an insulating device for a motor, which comprises a casing, wherein the casing is cylindrical, the inside of the casing is hollowed, two ends of the casing are open, an insulating layer is arranged in the casing and is connected with the inner wall of the casing, a first bearing and a second bearing are connected on the insulating layer, the inner rings of the first bearing and the second bearing are connected with a rotating shaft, a rotor is connected on the rotating shaft, a stator winding is also connected on the insulating layer and is positioned between the first bearing and the second bearing, the rotor is positioned between the stator windings, one end of the rotating shaft is connected with a first radiating fin, the other end of the rotating shaft is connected with a second radiating fin, the first radiating fin and the second radiating fin are both positioned in the casing, one end of the casing is connected with a fan cover, the material of the fan cover is insulating rubber, the other end of the casing is connected with a sealing cover, two sides below the casing are connected with supporting frames, and the problem that the existing motor has lower insulating grade is solved, the efficiency of the motor is lower, and the service life of the motor is shorter.

Description

Insulation device for motor

Technical Field

The utility model relates to a device, concretely relates to an insulator arrangement for motor.

Background

The electric motor is a rotary electric machine, it changes the electric energy into mechanical energy, the electric motor utilizes the energizing coil to produce the rotating magnetic field and act on the closed aluminium frame of squirrel-cage type of the trochanter to form the magnetoelectric dynamic rotation torque, the electric motor is mainly made up of stator and trochanter, the direction that the energizing wire is forced to move in the magnetic field is related to current direction and magnetic induction line direction, the working principle of the electric motor is that the magnetic field is to the effect of current stress, make the electric motor rotate, the work-doing part of the electric motor makes the rotary motion usually, this kind of electric motor is called as the trochanter electric motor; the motor is also called as a linear motor, but the existing motor has a low insulation grade, and the electric energy transmitted when the motor is electrified is easily dispersed to a metal piece of the motor, so that the electric energy obtained by the motor is less, and the useful efficiency of the motor is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current motor insulation level is lower for the efficiency of motor is lower, and then makes the shorter problem in life-span of motor, and aim at provides an insulator arrangement for motor, and it is lower to have solved current motor insulation level, makes the efficiency of motor lower, and then makes the shorter problem of motor life-span.

The utility model discloses a following technical scheme realizes:

the utility model provides an insulator arrangement for motor, a serial communication port, which comprises a housing, the casing is cylindrical, the inside fretwork of casing, the both ends opening of casing, be equipped with the insulating layer in the casing, the interior wall connection of insulating layer and casing, be connected with first bearing on the insulating layer, the second bearing, the inner circle of first bearing and second bearing is connected with the pivot, be connected with the rotor in the pivot, still be connected with stator winding on the insulating layer, stator winding is located between first bearing and the second bearing, the rotor is located between the stator winding, the one end of pivot is connected with first fin, the other end of pivot is connected with the second fin, first fin and second fin all are located inside the casing, the one end of casing is connected with the fan housing, the material of fan housing is insulating rubber, the other end of casing is connected with sealed lid, the below both sides of casing are connected with the support frame.

The utility model discloses a theory of operation does: the existing motor has lower insulation grade, when the motor is electrified, the current is transmitted to the stator winding, the existing stator winding is directly connected with the inner wall of the shell, the transmitted power is transmitted to the shell, the current is further transmitted to the supporting frame below the shell, the existing supporting frame is generally directly connected with the ground, further, partial current is directly consumed without the action of the stator winding, the shell and the supporting frame both contain a large amount of resistors, the resistors can also consume the transmitted electric energy, the size of the electric wire for transmitting the current by the motor is constant, the electric energy for doing work on the stator winding is less, further, the efficiency of acting on the motor is lower, a large amount of electric energy is consumed by the resistors in the shell and the supporting frame, the power output by the rotating shaft is less, the power for driving the transmission mechanism by rotating is less, further, the rotating shaft is difficult to drive the transmission mechanism to work by the smaller power, and the transmission mechanism is forcibly driven to work by the smaller power, the problem that a rotating shaft, a bearing and a stator winding are easy to damage and the service life of the motor is short is solved.

The motor is supported by the casing, the insulation layer is connected with the inner wall of the casing, the stator winding is connected with the insulation layer, after the motor is electrified, current enters the stator winding, the current is prevented from being transmitted to the casing, and further, the electric energy transmitted by resistance consumption in the casing is prevented, the first bearing and the second bearing are arranged in the insulation layer, under the action of a rotating magnetic field of the stator winding, the current passes through the effective edge of the stator winding and is driven by the action of the magnetic field to rotate the rotor, and further, the rotor is connected with the rotating shaft, the rotating shaft is driven to rotate by the rotation of the rotor, the rotating shaft is connected with the first bearing and the inner ring of the second bearing, so that the rotating shaft transmits the output kinetic energy of the motor to the transmission mechanism, through the fan cover arranged at one end of the casing, the air outside the casing can conveniently enter the casing, and is arranged as insulating rubber through the fan cover, the current is prevented from entering the fan cover, the fan cover is prevented from consuming electric energy, the other end of the shell is convenient to seal through the sealing cover arranged at the other end of the shell, the first radiating fins are driven to rotate by the rotation of the rotating shaft through the first radiating fins connected on the rotating shaft, wind power generated by the rotation of the first radiating fins is convenient to blow the wind power into the shell, thereby facilitating the heat dissipation of the stator winding, the second heat dissipation fin is driven to rotate by the rotating shaft through the second heat dissipation fin arranged at the other end of the rotating shaft, thereby facilitating to blow away the heat inside the casing and further facilitating to drive the heat inside the casing, facilitating to support the motor through the support frame arranged below the casing, through the insulating device for the motor that sets up, it is lower to have solved current motor insulation level for the efficiency of motor is lower, and then makes the shorter problem of motor life-span.

Furthermore, the below of support frame is equipped with the backup pad, and the backup pad passes through bolted connection with the support frame, and the material of backup pad is insulating rubber, is convenient for be connected with the support frame through the backup pad that sets up, and on electric current transmitted the support frame, and then be insulating rubber through the material that sets up the backup pad, avoided the electric current to continue to transmit in the backup pad, and then transmitted the ground through the backup pad, the bolted connection backup pad and the support frame of being convenient for through the setting.

Furthermore, a first threaded hole is formed in the support frame, a second threaded hole is formed in the support plate, the first threaded hole corresponds to the second threaded hole, the first threaded hole is connected with the second threaded hole through a bolt, a bolt is convenient to place through the set first threaded hole and the set second threaded hole, the bolt is further connected with the first threaded hole and the second threaded hole through the bolt, the support frame is convenient to connect with the support plate, the support plate and the support frame are convenient to locate through the corresponding set first threaded hole and the second threaded hole, and locking is further facilitated through the bolt.

Furthermore, still a plurality of is equipped with the through-hole in the backup pad, and the through-hole is located the both sides of support frame, and the through-hole runs through the up end and the terminal surface down of backup pad, through a plurality of through-hole that sets up, is convenient for fix the position that backup pad and motor use used the place, and then is convenient for realize the fixed of whole motor, has avoided the motor during operation to take place to slide, remove.

Furthermore, a plurality of air inlet holes are formed in the fan cover, the distance between every two adjacent air inlet holes is equal, the aperture of each air inlet hole is 0.1-0.3cm, air outside the fan cover can be conveniently absorbed into the fan cover through the plurality of air inlet holes, flowing air can conveniently drive heat inside the shell, heat dissipation treatment can be conveniently conducted on the stator winding and the rotor, air can conveniently enter through the apertures of the air inlet holes, and fingers and hairs of operators are prevented from entering the fan cover.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model relates to an insulating device for motor, the fan housing that casing one end set up, be convenient for get into the casing with the air outside the casing, set up to insulating rubber through the fan housing, avoided the electric current to get into in the fan housing, and then avoided the fan housing to consume the electric energy;

2. the utility model relates to an insulating device for a motor, when the current is transmitted to a supporting frame, and then the material of the supporting plate is insulating rubber, the current is prevented from being continuously transmitted to the supporting plate, and then transmitted to the ground through the supporting plate;

3. the utility model relates to an insulator arrangement for motor, through the stator winding that connects on the insulating layer, through the motor circular telegram back, the electric current has avoided the electric current to transmit to the casing in getting into stator winding, and then has avoided the electric energy of casing internal resistance consumption transmission.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the structure of the present invention.

Reference numbers and corresponding part names in the drawings:

1-a shell, 2-an insulating layer, 3-a first bearing, 4-a second bearing, 5-a rotating shaft, 6-a rotor, 7-a stator winding, 8-a first radiating fin, 9-a second radiating fin, 10-a fan cover, 11-a sealing cover, 12-a supporting frame, 13-a supporting plate, 14-a bolt, 15-a first threaded hole, 16-a second threaded hole, 17-a through hole and 18-an air inlet hole.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

The utility model relates to an insulating device for motor, as shown in figure 1-2, comprising a casing 1, the casing 1 is cylindrical, the inside of the casing 1 is hollowed, both ends of the casing 1 are open, an insulating layer 2 is arranged in the casing 1, the insulating layer 2 is connected with the inner wall of the casing 1, a first bearing 3 and a second bearing 4 are connected on the insulating layer 2, the inner rings of the first bearing 3 and the second bearing 4 are connected with a rotating shaft 5, a rotor 6 is connected on the rotating shaft 5, a stator winding 7 is also connected on the insulating layer 2, the stator winding 7 is arranged between the first bearing 3 and the second bearing 4, the rotor 6 is arranged between the stator winding 7, one end of the rotating shaft 5 is connected with a first radiating fin 8, the other end of the rotating shaft 5 is connected with a second radiating fin 9, the first radiating fin 8 and the second radiating fin 9 are both arranged in the casing 1, one end of the casing 1 is connected with a fan housing 10, the material of the fan housing 10 is insulating rubber, the other end of the casing 1 is connected with a sealing cover 11, and two sides of the lower part of the casing 1 are connected with a supporting frame 12.

The specific implementation manner of this embodiment is: the existing motor has lower insulation grade, when the motor is electrified, the current is transmitted to the stator winding, the existing stator winding is directly connected with the inner wall of the shell, the transmitted power is transmitted to the shell, the current is further transmitted to the supporting frame below the shell, the existing supporting frame is generally directly connected with the ground, further, partial current is directly consumed without the action of the stator winding, the shell and the supporting frame both contain a large amount of resistors, the resistors can also consume the transmitted electric energy, the size of the electric wire for transmitting the current by the motor is constant, the electric energy for doing work on the stator winding is less, further, the efficiency of acting on the motor is lower, a large amount of electric energy is consumed by the resistors in the shell and the supporting frame, the power output by the rotating shaft is less, the power for driving the transmission mechanism by rotating is less, further, the rotating shaft is difficult to drive the transmission mechanism to work by the smaller power, and the transmission mechanism is forcibly driven to work by the smaller power, the problem that a rotating shaft, a bearing and a stator winding are easy to damage and the service life of the motor is short is solved.

Example 2

Based on embodiment 1, as shown in fig. 1-2, a support plate 13 is disposed below the support frame 12, the support plate 13 is connected to the support frame 12 through a bolt 14, the support plate 13 is made of insulating rubber, a first threaded hole 15 is disposed on the support frame 12, a second threaded hole 16 is disposed on the support plate 13, the first threaded hole 15 corresponds to the second threaded hole 16, and the first threaded hole 15 is connected to the second threaded hole 16 through the bolt 14.

The specific implementation manner of this embodiment is: a supporting plate is arranged below the supporting frame, the supporting plate is connected with the supporting frame through a bolt, the supporting plate is made of insulating rubber, the supporting plate is conveniently connected with the supporting frame through the arranged supporting plate, when current is transmitted to the supporting frame, the supporting plate is further made of insulating rubber, the current is prevented from being continuously transmitted to the supporting plate and further transmitted to the ground through the supporting plate, the supporting plate is conveniently connected with the supporting frame through the arranged bolt, a first threaded hole is arranged on the supporting frame, a second threaded hole is arranged on the supporting plate, the first threaded hole corresponds to the second threaded hole, the first threaded hole is connected with the second threaded hole through the bolt, the bolt is conveniently placed through the arranged first threaded hole and the second threaded hole, the supporting frame is further conveniently connected with the supporting plate, and the connection between the supporting frame and the supporting plate is further conveniently realized through the arranged correspondence between the first threaded hole and the second threaded hole, the supporting plate and the supporting frame are convenient to position, and locking is further facilitated through the bolt.

Example 3

Based on the above embodiments, as shown in fig. 1-2, the supporting plate 13 is further provided with a plurality of through holes 17, the through holes 17 are located at two sides of the supporting frame 12, the through holes 17 penetrate through the upper end surface and the lower end surface of the supporting plate 13, the fan housing 10 is provided with a plurality of air inlet holes 18, the distances between adjacent air inlet holes 18 are equal, and the aperture of each air inlet hole 18 is 0.1-0.3 cm.

The specific implementation manner of this embodiment is: still a plurality of is equipped with the through-hole in the backup pad, the through-hole is located the both sides of support frame, the through-hole runs through the up end and the lower terminal surface of backup pad, through a plurality of through-hole that sets up, be convenient for fix the position of backup pad and motor use place, and then be convenient for realize fixing of whole motor, the motor during operation has been avoided taking place to slide, remove, be equipped with a plurality of fresh air inlet on the fan housing, the interval equals between the adjacent fresh air inlet, the aperture of fresh air inlet is 0.1-0.3cm, through a plurality of fresh air inlet that sets up, be convenient for absorb the outside air of fan housing inside the fan housing, and then make the air that flows be convenient for drive the inside heat of casing, and then be convenient for stator winding, the rotor carries out the heat dissipation, the entering of air is convenient for through the aperture that sets up the fresh air inlet, operating personnel's finger has still been avoided, the hair gets into in the fan housing.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An insulation device for a motor is characterized by comprising a machine shell (1), wherein the machine shell (1) is cylindrical, the interior of the machine shell (1) is hollow, two ends of the machine shell (1) are opened, an insulation layer (2) is arranged in the machine shell (1), the insulation layer (2) is connected with the inner wall of the machine shell (1), the insulation layer (2) is connected with a first bearing (3) and a second bearing (4), the inner rings of the first bearing (3) and the second bearing (4) are connected with a rotating shaft (5), the rotating shaft (5) is connected with a rotor (6), the insulation layer (2) is further connected with a stator winding (7), the stator winding (7) is positioned between the first bearing (3) and the second bearing (4), the rotor (6) is positioned between the stator windings (7), one end of the rotating shaft (5) is connected with a first radiating fin (8), the other end of the rotating shaft (5) is connected with a second radiating fin (9), the first radiating fins (8) and the second radiating fins (9) are located inside the casing (1), one end of the casing (1) is connected with a fan cover (10), the fan cover (10) is made of insulating rubber, the other end of the casing (1) is connected with a sealing cover (11), and two sides of the lower portion of the casing (1) are connected with a supporting frame (12).

2. The insulation device for the motor according to claim 1, wherein a support plate (13) is arranged below the support frame (12), the support plate (13) is connected with the support frame (12) through a bolt (14), and the support plate (13) is made of insulation rubber.

3. The insulation device for the motor according to claim 2, wherein the support frame (12) is provided with a first threaded hole (15), the support plate (13) is provided with a second threaded hole (16), the first threaded hole (15) corresponds to the second threaded hole (16), and the first threaded hole (15) is connected with the second threaded hole (16) through a bolt (14).

4. An insulating device for an electric machine according to claim 2, characterized in that a plurality of the supporting plates (13) are provided with through holes (17), the through holes (17) are located on both sides of the supporting frame (12), and the through holes (17) penetrate through the upper end face and the lower end face of the supporting plates (13).

5. An insulation arrangement for an electrical machine according to claim 1, characterized in that the hood (10) is provided with a number of air inlet openings (18), the distance between adjacent air inlet openings (18) being equal, the diameter of the air inlet openings (18) being 0.1-0.3 cm.