CN211183836U

CN211183836U - Magnetic suspension motor

Info

Publication number: CN211183836U
Application number: CN202020064676.8U
Authority: CN
Inventors: 杨益飞; 周正存; 梁智华
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-08-04
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a magnetic levitation motor, including motor main part and fixed baseplate, motor main part is including motor casing, the magnetism seat, transfer line and rotor, motor casing's upper and lower both ends inside wall is provided with the magnetism seat relatively, the outside cover of transfer line is equipped with the rotor and suspends under the magnetic force of magnetism seat between the magnetism seat, still be provided with the location structure who is used for motor main part and fixed baseplate to counterpoint fast between motor casing and the fixed baseplate, motor casing inside still is provided with protection architecture, protection architecture encircle the setting at the tip of transfer line and with motor casing's inside wall fixed connection. The utility model discloses a set up convex fixture block, elastic element and block groove and make the installation piece can carry out automatic block counterpoint in the embedding mounting groove, reuse fixing bolt afterwards install can, simplified the installation flow between motor main part and the fixed baseplate, simultaneously through setting up retaining ring and linking bridge, can effectively reduce the inside transfer line of motor and produce the pine after receiving the collision and take off skew condition and take place.

Description

Magnetic suspension motor

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to magnetic levitation motor.

Background

The direct current magnetic suspension motor is also called a magnetic suspension motor, can be called a magnetic motor, is a bearingless motor, and is also a motor with a novel structure. Compared with the traditional motor, the motor has the greatest difference that no additional bearing is needed, and the motor can generate torque and magnetic levitation force for supporting the rotor.

At present, the existing partial magnetic suspension motor structure needs to be hoisted and installed when being installed due to large mass. But in the hoisting process, the hoisting precision is difficult to ensure, and the installation is inconvenient. In the existing partial magnetic suspension motor structure, the transmission rod and the rotor inside the partial magnetic suspension motor structure are suspended inside the motor through mutually exclusive magnetic force, but when the motor is collided in the transportation process, the transmission rod is easy to loosen inside the motor.

Disclosure of Invention

In view of this, the utility model aims at providing a magnetism floats motor aims at solving present magnetism and floats motor installation inconvenience, and the inside transfer line of motor receives the problem that the collision easily takes off.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a magnetic levitation motor, includes motor body and fixed baseplate, motor body is including motor casing, magnetism seat, transfer line, rotor and magnetic path, motor casing's upper and lower both ends inside wall is provided with relatively the magnetism seat, the outside cover of transfer line is equipped with the rotor with the magnetic path and the magnetic force of magnetism seat suspends down between the magnetism seat, motor casing with still be provided with a location structure who is used for motor body and fixed baseplate to counterpoint fast between the fixed baseplate, the inside protective structure that still is provided with of motor casing, protective structure encircles the setting and is in the tip of transfer line and with motor casing's inside wall fixed connection.

Preferably, the positioning structure includes an inverted trapezoidal mounting block, a mounting groove, and a fixing bolt, the mounting block is disposed on two sides of the bottom of the motor housing, the mounting groove corresponding to the mounting block is formed in a position of the surface of the fixing base corresponding to the mounting block, threaded holes are formed in the mounting block and the bottom of the mounting groove, and the mounting block is embedded in the mounting groove and is in threaded connection with the mounting block through the fixing thread.

Preferably, convex clamping blocks are further arranged on the groove walls on the two sides of the mounting groove, clamping grooves are concavely formed in the side faces of the mounting block corresponding to the shape and the position of the convex clamping blocks, and the convex clamping blocks are embedded into the clamping grooves so as to lock the mounting block in the mounting groove.

Preferably, the cell wall indent of mounting groove sets up a holding chamber, elastic element has been put to the holding intracavity, elastic element's one end with the lateral wall in holding chamber is fixed, the other end through a connecting block with convex fixture block fixed connection, the tip of convex fixture block is provided with the round chamfer, works as the installation piece embedding during in the mounting groove, the installation piece with the contact of convex fixture block, and support and press the compression of convex fixture block elastic element works as behind the installation piece embedding the mounting groove, the convex fixture block is in elastic element's elastic force effect is stretched out and is blocked the block inslot.

Preferably, the protection structure includes a retaining ring and a plurality of connecting brackets, the retaining ring is sleeved outside the transmission rod, the plurality of connecting brackets are uniformly connected to the side surface of the retaining ring, one end of each connecting bracket is fixed to the retaining ring, and the other end of each connecting bracket is connected to the inner side wall of the motor housing.

Preferably, the inner diameter of the retaining ring is larger than the outer diameter of the transmission rod, the connecting bracket is a metal bracket with elasticity, and the connecting bracket abuts against or is welded with the inner side wall of the motor shell.

Preferably, the motor casing is uniformly provided with ventilation openings on two sides, and the ventilation openings are internally threaded with a connecting ring with a filter screen.

Preferably, the motor shell is further covered with a protective shell, and a plurality of radiating fins are welded on the inner wall of the outer protective shell.

Compared with the prior art, the utility model provides a pair of magnetic levitation motor makes the installation piece can carry out automatic block counterpoint in the embedding mounting groove through the structure that sets up convex fixture block, elastic element and block groove, and it can to reuse fixing bolt to install afterwards, has simplified the installation flow between motor main part and the fixed baseplate. Simultaneously, by arranging the retaining ring and the connecting bracket, the situation that the transmission rod inside the motor is loosened and deviated after being collided can be effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a magnetic levitation motor provided by the present invention;

fig. 2 is a left side view of a magnetic levitation motor provided by the present invention;

fig. 3 is a top view of the inside of a motor casing of a magnetic levitation motor provided by the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1.

Reference numerals and component parts description referred to in the drawings:

1. a fixed base; 2. a motor housing; 3. a magnetic base; 4. a transmission rod; 5. a rotor; 6. mounting blocks; 7. mounting grooves; 8. a convex fixture block; 9. a clamping groove; 10. an accommodating cavity; 11. an elastic element; 12. connecting blocks; 13. a retaining ring; 14. connecting a bracket; 15. a filter screen; 16. a connecting ring; 17. a protective housing; 18. a heat dissipating fin; 19. a magnetic block.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and 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 belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the magnetic levitation motor comprises a motor body and a fixed base 1, wherein the motor body comprises a motor shell 2, magnetic bases 3, a transmission rod 4, a rotor 5 and magnetic blocks 19, the inner side walls of the upper end and the lower end of the motor shell 2 are oppositely provided with the magnetic bases 3, the rotor 5 and the magnetic blocks 19 are sleeved outside the transmission rod 4, and the transmission rod is suspended between the magnetic bases 3 under the magnetic force action of the magnetic bases 3. Based on the problem that the installation is inconvenient and the transfer line receives the easy pine of collision and takes off at present some magnetic levitation motor, be provided with a location structure that is used for motor body and fixed baseplate 1 to counterpoint fast between motor casing 2 and fixed baseplate 1 to and be provided with a protection architecture inside motor casing 2, this protection architecture encircles the tip that sets up at transfer line 4 and with motor casing 2's inside wall fixed connection.

The positioning structure comprises an inverted trapezoidal mounting block 6, a mounting groove 7 and a fixing bolt. The mounting blocks 6 are disposed on both sides of the bottom of the motor housing 2 and constitute an integral structure with the motor housing 2. The mounting groove 7 that corresponds with the installation piece 6 shape is seted up to the position that the surface of fixed baseplate 1 corresponds installation piece 6, and threaded hole is seted up to the inside of installation piece 6 and the tank bottom of mounting groove 7, and installation piece 6 imbeds in the mounting groove 7 and through both threaded connection of fixed thread, can realize motor main body and fixed baseplate 1 both fixed connection, accomplishes the installation work.

In order to realize quick block between the mounting block 6 and the mounting groove 7, convex fixture blocks 8 are further arranged on the groove walls of the two sides of the mounting groove 7, the side surface of the mounting block 6 is provided with a clamping groove 9 corresponding to the convex fixture block 8 in the shape and the position in an inwards concave manner, the convex fixture block 8 is embedded into the clamping groove 9 to lock the mounting block 6 in the mounting groove 7 in a clamping manner, and meanwhile, the transverse fixing effect is also provided for the motor main body. Furthermore, a containing cavity 10 is concavely arranged on the groove wall of the mounting groove 7, an elastic element 11 is arranged in the containing cavity 10, one end of the elastic element 11 is fixed with the side wall of the containing cavity 10, the other end of the elastic element is fixedly connected with the convex fixture block 8 through a connecting block 12, and the convex fixture block 8 can transversely move by compressing or loosening the elastic element 11. The tip of convex fixture block 8 is provided with the round chamfer, when installation piece 6 embedding mounting groove 7 in, installation piece 6 and the contact of convex fixture block 8, and along with installation piece 6 constantly imbeds in mounting groove 7, installation piece 6 supports to press and is gone up and compress elastic element 11 in convex fixture block 8, after installation piece 6 embedding mounting groove 7, the pressure that supports that is used in convex fixture block 8 disappears, convex fixture block 8 stretches out and blocks in the block groove 9 on installation piece 6 under elastic element 11's elastic force effect, and keep the block state, thereby keep installation piece 6 stable, continuously imbed in mounting groove 7, thereafter adopt fixing bolt again with installation piece 6 and mounting groove 7 both fixed connection can, the installation is quick, and convenient.

The protection structure comprises a retaining ring 13 and a plurality of connecting brackets 14, wherein the retaining ring 13 is sleeved outside the transmission rod 4, and the inner diameter of the retaining ring 13 is slightly larger than the outer diameter of the transmission rod 4, i.e. a certain moving space is reserved for the transmission rod 4. A plurality of connecting supports 14 are uniformly connected to the side surface of the retaining ring 13, the connecting supports 14 are elastic metal supports, one end of each connecting support 14 is fixed on the retaining ring 13, and the other end of each connecting support is abutted against or welded with the inner side wall of the motor shell 2.

The ventilation openings are evenly formed in the two sides of the motor shell 2, the internal threads of the ventilation openings are connected with the connecting ring 16 with the filter screen 15, so that outside air can conveniently enter the motor shell 2 and form convection in the motor shell 2, and heat dissipation is conveniently carried out on the rotor 5 during working. The motor casing 2 is also covered with a protective casing 17, and a plurality of radiating fins 18 are welded on the inner wall of the protective casing 17. The contact area of the motor housing 2 with air is increased by the heat radiation fins 18 and the protective housing 17 to increase the heat radiation effect of the motor housing 2.

During the installation, one end of the transmission rod 4 is first inserted through the retaining ring 13, and the connecting bracket 14 connected to the retaining ring 13 is then welded or abutted to the inner wall of the motor housing 2. The rotor 5 and the magnetic blocks 19 can be sleeved on the surface of the transmission rod 4, and the transmission rod 6 is suspended between the magnetic bases 3 through the mutual repulsion force generated by the magnetic bases 3 and the magnetic blocks 19. If the motor is accidentally collided during transportation, the retaining ring 13 is arranged outside the transmission rod 4, so that the moving amount of the transmission rod 4 can be reduced, and the possibility of loosening of the transmission rod 4 caused by collision is reduced. When hoisting motor casing 2 afterwards, insert earlier installation piece 6 of the left and right sides of motor casing 2 and establish to mounting groove 7 of fixed baseplate 1, protruding fixture block 8 stretches out and blocks and carry out the block in the block groove 9 on installation piece 6 under the effect of elastic element 11 after installation piece 6 imbeds mounting groove 7 completely, runs through installation piece 6 and mounting groove 7 and carries out threaded connection using fixing bolt to realize motor casing 2 and fixed baseplate 1 fixed connection. Then, the motor is powered on, the rotor 5 rotates inside the magnetic base 3 through electromagnetic induction, and the transmission rod 4 is driven to rotate, so that the motor can be installed. The radiating fins 18 are welded on the inner wall of the protective shell 17, meanwhile, the protective shell 17 is welded on the surface of the motor shell 2, and the contact area between the motor shell 2 and air is increased through the radiating fins 18 and the protective shell 17 so as to increase the radiating effect of the motor shell 2.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a magnetic levitation motor, includes motor body and fixed baseplate, the motor body is including motor casing, magnetic base, transfer line, rotor and magnetic path, motor casing's upper and lower both ends inside wall is provided with relatively the magnetic base, the outside cover of transfer line is equipped with the rotor with the magnetic path and the magnetic path suspend under the magnetic force of magnetic base between the magnetic base, its characterized in that: the motor shell with still be provided with one between the fixed baseplate and be used for the quick location structure to counterpoint of motor main part and fixed baseplate, motor shell inside still is provided with a protection architecture, protection architecture encircles the setting and is in the tip of transfer line and with motor shell's inside wall fixed connection.

2. A magnetic levitation motor as recited in claim 1, wherein: the positioning structure comprises an inverted trapezoidal mounting block, a mounting groove and a fixing bolt, the mounting block is arranged on two sides of the bottom of the motor shell, the mounting groove corresponding to the mounting block in shape is formed in the position, corresponding to the mounting block, of the surface of the fixing base, threaded holes are formed in the inner portion of the mounting block and the groove bottom of the mounting groove, and the mounting block is embedded into the mounting groove and is in threaded connection with the mounting groove through the fixing threads.

3. A magnetic levitation motor as recited in claim 2, wherein: convex clamping blocks are further arranged on the groove walls on the two sides of the mounting groove, clamping grooves are concavely formed in the side faces of the mounting block corresponding to the shape and the position of the convex clamping blocks, and the convex clamping blocks are embedded into the clamping grooves to lock the mounting block in the mounting groove.

4. A magnetic levitation motor as recited in claim 3, wherein: the cell wall indent of mounting groove sets up a holding chamber, elastic element has been put to the holding intracavity, elastic element's one end with the lateral wall in holding chamber is fixed, the other end through a connecting block with convex fixture block fixed connection, the tip of convex fixture block is provided with the round chamfer, works as the installation piece embedding during in the mounting groove, the installation piece with the contact of convex fixture block, and support the pressure the compression of convex fixture block elastic element works as the installation piece embedding behind the mounting groove, the convex fixture block is in elastic element's elastic force acts on and stretches out down and the card is gone into on the installation piece the block is in the block inslot.

5. A magnetic levitation motor as recited in claim 1, wherein: the protection structure comprises a retaining ring and a plurality of connecting supports, the retaining ring is sleeved outside the transmission rod, the connecting supports are uniformly connected to the side face of the retaining ring, one end of each connecting support is fixed to the retaining ring, and the other end of each connecting support is connected with the inner side wall of the motor shell.

6. A magnetic levitation motor as recited in claim 5, wherein: the inner diameter of the retaining ring is larger than the outer diameter of the transmission rod, the connecting support is an elastic metal support, and the connecting support is abutted against or welded with the inner side wall of the motor shell.

7. A magnetic levitation motor as recited in claim 1, wherein: the motor shell is characterized in that ventilation openings are uniformly formed in two sides of the motor shell, and a connecting ring with a filter screen is connected to the inner threads of the ventilation openings.

8. A magnetic levitation motor as recited in claim 1, wherein: still cover on the motor casing and be equipped with a protective housing, the outer inner wall welding of protection has a plurality of radiating fin.