CN113131660A

CN113131660A - High-speed permanent magnet motor

Info

Publication number: CN113131660A
Application number: CN202110455065.5A
Authority: CN
Inventors: 魏静微; 孙铭泽; 姜永泽
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-07-16

Abstract

The invention discloses a high-speed permanent magnet motor which comprises a motor shell, wherein an opening is formed in the top end of the motor shell, and lower fixing plates are fixedly connected to two sides of the opening. The output end of the motor is enabled to rotate at a high speed through the engagement of the fourth gear and the first gear; simultaneously when the third gear is rotatory, the meshing second gear makes the fan rotate fast, produce the wind and dispel the heat to its inside structure, and through two cams, the cooperation of pressure spring and diaphragm sets up down, make the slide from top to bottom in the box, make the coolant liquid in an ring pipe inhale in the box, push into another ring pipe again, and two ring pipes pass through the second pipe intercommunication setting, make the coolant liquid circulated flow like this, effectually dispel the heat to the internals, and the life of effectual improvement motor like this, and the long back that damages of live time, can take off the casing cover from the motor casing, the convenient structure to inside maintains like this, replace.

Description

High-speed permanent magnet motor

Technical Field

The invention relates to the technical field of motors, in particular to a high-speed permanent magnet motor.

Background

With the development of economy, the application of the permanent magnet motor is more and more extensive, and the permanent magnet motor is an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction. The permanent magnet motor rotor is generally formed by laminating silicon steel sheets, magnetic steel is embedded in the silicon steel sheets to form a salient pole or non-salient pole rotor structure, and the structure causes the rotor to have a larger outer diameter, and has a higher linear speed at a high rotating speed, so that the rotating speed of the motor is not favorably improved. And the motor produces a large amount of heats inside at the during operation easily, if not dispel the heat in time and make the motor appear burning out easily, condition such as inefficacy, can cause the incident even when serious, current motor has taken certain heat dissipation measure, nevertheless all has the radiating effect poor, consequently, to above-mentioned condition, need improve it now, current device is inconvenient to carry out the dismouting maintenance to permanent-magnet machine simultaneously, and then waste most time when leading to the maintenance, reduces work efficiency.

Disclosure of Invention

In order to solve the existing problems, the invention provides a high-speed permanent magnet motor.

The invention is realized by the following technical scheme: a high-speed permanent magnet motor comprises a motor shell, wherein an opening is formed in the top end of the motor shell, lower fixing plates are fixedly connected to two sides of the opening, a motor shell cover is arranged in the opening in the top end of the motor shell and is connected with the motor shell cover in an attaching mode, upper fixing plates are fixedly connected to two sides of the bottom surface of the motor shell cover, the two upper fixing plates are respectively connected with the two lower fixing plates in an attaching mode, the attached upper fixing plates and the attaching fixing plates are fixedly connected through a plurality of bolts, the motor shell and the motor shell cover form a circular cylinder, an arc cover is fixedly connected to one side of the motor shell and one side of the motor shell cover through a plurality of bolts, a plurality of first through holes are formed in the arc cover, a filter screen is fixedly connected to the inner side wall of the arc cover, a box body is fixedly connected to the bottom surface of the inner, the bottom surface of the annular pipe is fixedly connected with the inner side wall of the motor shell, the top surface of the annular pipe is connected with the inner arc surface of the shell cover in a laminating manner, first guide pipes are arranged between the two annular pipes and the box body, the two ends of each first guide pipe are respectively communicated and fixedly connected with the annular pipe and the inside of the box body, a first check valve and a second check valve are respectively arranged in the two first guide pipes, a sliding plate is arranged in the box body and is connected with the box body in a laminating and sliding manner, the top surface of the sliding plate is symmetrically and fixedly connected with two sliding rods, the top surfaces of the sliding rods penetrate out of the box body and are connected with the box body in a laminating and sliding manner, the top surfaces of the sliding rods outside the box body are fixedly connected with transverse plates, springs are respectively sleeved on the two sliding rods, the top surface of one transverse plate is fixedly connected with, the fan-shaped arc cover comprises a fixed plate, a rotating rod, a second gear, a motor shell, a first gear, a second gear, an arc-shaped clamp and a motor cover, wherein the fixed plate is rotatably connected with the rotating rod, the rotating rod is sleeved with the two retainer rings and fixedly connected with the retainer rings, the two retainer rings are respectively attached to two sides of the fixed plate, one end of the rotating rod is fixedly connected with a fan, the other end of the rotating rod is sleeved with the second gear and fixedly connected with the second gear, a motor output end is rotatably connected to one side wall of the motor shell, the motor output end is sleeved with the two retainer rings and fixedly connected with the motor output end, the two retainer rings are respectively attached to the inner side and the outer side of one side wall of the motor shell, the first gear is sleeved at one end of the motor output end in the motor shell and fixedly connected with the motor output end, cams are respectively attached to one, the rubber layer is fixedly connected to the inner arc surface of the arc-shaped clamp, the arc-shaped supporting plate is fixedly connected to the middle of the top surface of the box body, the rubber layer is fixedly connected to the inner arc surface of the arc-shaped supporting plate, the arc-shaped clamp and the arc-shaped supporting plate are arranged opposite to each other, the arc-shaped clamp and the arc-shaped supporting plate are arranged on one side of the second guide pipe, a plurality of arc-shaped plates are annularly arranged between the arc-shaped clamp and the arc-shaped supporting plate and are in annular laminating connection, discs are arranged on two sides of each arc-shaped plate and are symmetrically arranged, the discs are fixedly connected with the arc-shaped plates through a plurality of fixing bolts, a second through hole is formed in the middle of each disc, stators are fixedly connected to the inner arc surfaces of the arc-shaped plates, rotors are arranged in the middle of the stators, a rotating shaft is fixedly connected to the middle of each rotor, two ends of each rotating shaft respectively, the third gear and the fourth gear are respectively meshed with the second gear and the first gear, a liquid adding pipe is fixedly connected to the top end of one of the annular pipes and communicated with the annular pipe, the top surface of the liquid adding pipe penetrates through the top surface of the machine shell cover and is in sliding connection with the top surface of the machine shell cover in a fit mode, and the top end of the liquid adding pipe outside the machine shell cover is in threaded connection with a cover body.

Preferably, the diameter of the fourth gear is greater than the diameter of the first gear by 10 cm-15 cm.

Preferably, the sliding plate is sleeved with a sealing ring.

Preferably, the spring is a compression spring.

Preferably, the diameter of the third gear is larger than the diameter of the second gear by 3 cm-5 cm.

Compared with the prior art, the invention has the beneficial effects that: the rotating shaft of the motor is driven to synchronously rotate by the third gear and the fourth gear when the rotating shaft rotates in the working process of the motor, the fourth gear is meshed with the first gear at the moment, so that the rotation of the output end of the motor is realized, and the rotating speed of the output end of the motor can be effectively improved because the diameter of the fourth gear is greater than the diameter of the first gear, namely 10 cm-15 cm; and when the third gear is rotatory, the meshing second gear makes the fan rotate fast, produce wind and dispel the heat to its inside structure, and through two cams, the cooperation of pressure spring and diaphragm sets up down, make the slide from top to bottom in the box, inhale the box with the coolant liquid in the ring tube through the second check valve, the rethread first check valve pushes in another ring tube, and two ring tubes pass through the setting of second pipe intercommunication, make the coolant liquid circulated flow like this, effectually dispel the heat to the internals, and the life that like this can effectual improvement motor, and after the long-term damage of live time, can take off the casing lid from motor housing, the convenient structure to inside maintains like this, the replacement.

Drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a partial cross-sectional view of the structure of the present invention.

Figure 3 is a partial side view of the structure of the present invention.

Fig. 4 is a schematic external view of the structure of the present invention.

In the figure: the device comprises a motor shell 1, a ring-shaped pipe 2, a motor output end 3, a baffle ring 4, a first gear 5, a cam 6, a first guide pipe 7, a first one-way valve 8, a box body 9, a sliding plate 10, an arc-shaped supporting plate 11, a sliding rod 12, a spring 13, a transverse plate 14, a fixing block 15, a second gear 16, an arc-shaped cover 17, a first through hole 18, a fixing plate 19, a baffle ring 20, a fan 21, a third gear 22, a rotating shaft 23, a liquid feeding pipe 24, a cover body 25, a filter screen 26, a machine shell cover 27, an arc-shaped clamp 28, an arc-shaped plate 29, a stator 30, a disc 31, a fixing bolt 32, a second through hole 33, a rotor 34, a fourth gear 35, a rotating rod 36, a second guide pipe 37, a bolt 38, an upper fixing.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: as shown in fig. 1, 2, 3 and 4, a high-speed permanent magnet motor includes a motor housing 1, wherein an opening is formed at the top end of the motor housing 1, lower fixing plates 40 are fixedly connected to both sides of the opening, a housing cover 27 is arranged in the opening at the top end of the motor housing 1 and is attached to the opening, upper fixing plates 39 are fixedly connected to both sides of the bottom surface of the housing cover 27, the two upper fixing plates 39 are respectively attached to the two lower fixing plates 40, the attached upper fixing plates 39 and fixing plates 40 are fixedly connected by a plurality of bolts 38, the motor housing 1 and the housing cover 27 form a circular cylinder, an arc cover 17 is fixedly connected to one side of the motor housing 1 and one side of the housing cover 27 by a plurality of bolts, a plurality of first through holes 18 are formed in the arc cover 17, a filter screen 26 is fixedly connected to the inner side wall of the arc cover 17, a box 9 is fixedly connected to the bottom surface, the two sides of the box body 9 are respectively provided with an annular tube 2, the two annular tubes 2 are fixedly communicated with each other through a second conduit 37, the bottom surface of each annular tube 2 is fixedly connected with the inner side wall of the motor shell 1, the top surface of each annular tube 2 is jointed with the inner arc surface of the shell cover 27, a first conduit 7 is arranged between each annular tube 2 and the box body 9, two ends of each first conduit 7 are respectively communicated with and fixedly connected with the interiors of the annular tubes 2 and the box body 9, a first check valve 8 and a second check valve 41 are respectively arranged in each first conduit 7, a sliding plate 10 is arranged in the box body 9 and is jointed with the sliding plate 10 in a sliding manner, the top surface of the sliding plate 10 is symmetrically and fixedly connected with two sliding rods 12, the top surfaces of the sliding rods 12 penetrate out of the box body 9 and are jointed with the sliding plate in a sliding manner, the top surfaces of the sliding rods 12 outside the box body 9 are fixedly connected with a, two springs 13 are respectively sleeved on two sliding rods 12, the top surface of one transverse plate 14 is fixedly connected with a fixed block 15, one side of the inner bottom surface of the motor shell 1 is fixedly connected with a fixed plate 19, the fixed plate 19 is rotatably connected with a rotating rod 36, the rotating rod 36 is sleeved with two check rings 20 and is fixedly connected with the rotating rod, the two check rings 20 are respectively attached to two sides of the fixed plate 19, one end of the rotating rod 36 is fixedly connected with a fan 21, the other end of the rotating rod 36 is sleeved with a second gear 16 and is fixedly connected with the second gear, one side wall of the motor shell 1 is rotatably connected with a motor output end 3, the motor output end 3 is sleeved with two check rings 4 and is fixedly connected with the motor output end 3, the two check rings 4 are respectively attached to the inner side wall and the outer side wall of the motor shell 1, one end of the motor output end 3 in the motor shell 1 is sleeved with a first gear 5, and the, the motor output end 3 and the rotating rod 36 are both fixedly connected with cams 6, the two cams 6 are respectively attached to one transverse plate 14 and one fixed block 15, the inner arc surface of the arc cover 17 is fixedly connected with an arc clamp 28, the inner arc surface of the arc clamp 28 is fixedly connected with a rubber layer, the middle part of the top surface of the box body 9 is fixedly connected with an arc supporting plate 11, the inner arc surface of the arc supporting plate 11 is fixedly connected with a rubber layer, the arc clamp 28 and the arc supporting plate 11 are oppositely arranged, the arc clamp 28 and the arc supporting plate 11 are arranged on one side of a second guide pipe 37, a plurality of arc plates 29 are annularly arranged between the arc clamp 28 and the arc supporting plate 11, the plurality of arc plates 29 are annularly attached and connected, the two sides of the plurality of arc plates 29 are respectively provided with a circular disc 31, the two circular discs 31 are symmetrically arranged, the circular disc 31 is fixedly connected with the plurality of arc plates, the middle part of disc 31 is equipped with second through-hole 33, equal fixedly connected with stator 30 on the intrados of a plurality of arcs 29, and the middle part of a plurality of stators 30 is equipped with rotor 34, the middle part fixedly connected with pivot 23 of rotor 34, two second through-holes 33 are passed respectively at the both ends of pivot 23, fixedly connected with fourth gear 35 and third gear 22 are distinguished at the both ends of pivot 23, third gear 22 and fourth gear 35 are connected with second gear 16 and first gear 5 meshing respectively, and the top fixedly connected with liquid feeding pipe 24 of one of them annular tube 2 sets up rather than the intercommunication, the top surface of liquid feeding pipe 24 passes quick-witted cap 27 top surface and rather than laminating sliding connection, the top end threaded connection of the liquid feeding pipe 24 outside quick-cap 27 has lid 25.

The diameter of the fourth gear 35 is larger than the diameter of the first gear 5, namely 10 cm-15 cm.

The sliding plate 10 is sleeved with a sealing ring.

The spring 13 is a compression spring.

The diameter of the third gear 22 is larger than the diameter of the second gear 16, which is 3 cm-5 cm.

The working principle is as follows: when the motor output end rotating device is used, firstly, the stator is electrified to generate a rotating magnetic field, the rotor is acted by electromagnetic force in the rotating magnetic field to rotate, the rotating shaft 23 is driven to synchronously rotate in the rotating process of the rotor, further, the electric energy is converted into kinetic energy to work, in the rotating process of the rotating shaft 23, the third gear 22 and the fourth gear 35 at two ends of the rotating shaft 23 are driven to synchronously rotate, at the moment, in the rotating process of the fourth gear 35, the fourth gear 35 is meshed with the first gear 5, so that the motor output end 3 is rotated, and in addition, the diameter of the fourth gear 35 is larger than the diameter of the first gear 5, the diameter is 10 cm-15 cm, so the rotating speed of the motor output end 3 can be effectively improved; in the process of rotating the third gear 22, the rotating rod 36 is enabled to rotate through the meshing of the third gear 22 and the second gear 16, and the diameter of the third gear 22 is larger than the diameter of the second gear 16, namely 3 cm-5 cm, so that the rotation of the fan 21 can be effectively improved, wind is generated through the rotation of the fan 21, the heat dissipation is carried out on the internal structure of the fan, the two cams 6 are driven to synchronously rotate when the motor output end 3 and the rotating rod 36 rotate, at the moment, the two cams 6 rotate under the arrangement of the pressure spring 13, the cams 6 intermittently push the transverse plate 14, the sliding plate 10 slides up and down in the box body 9, meanwhile, the cooling liquid is added into the annular pipe 2 through the arrangement of the liquid adding pipe 24, and the cooling liquid in one annular pipe 2 is sucked into the box body 9 through the second one-way valve 41 in the process of sliding up and down of the sliding plate 10, the cooling liquid in the box body 9 is pushed into the other annular tube 2 through the first check valve 8, the two annular tubes 2 are communicated through the second guide tube 37, so that the cooling liquid can flow circularly, the heat of internal parts is effectively dissipated, the service life of the motor can be effectively prolonged, the top end of the liquid adding tube 24 can be sealed through the cover body 25, after the liquid adding tube is damaged for a long time, the cover body 25 and the bolt 38 can be screwed down, the motor shell cover 27 is further taken down from the motor shell 1, and the maintenance and the replacement of an internal structure are facilitated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high-speed permanent magnet motor is characterized in that: comprises a motor shell (1), an opening is arranged at the top end of the motor shell (1), lower fixing plates (40) are fixedly connected with the two sides of the opening, a shell cover (27) is arranged in the opening at the top end of the motor shell (1) and is jointed with the motor shell, upper fixing plates (39) are fixedly connected with the two sides of the bottom surface of the shell cover (27), the two upper fixing plates (39) are respectively jointed with the two lower fixing plates (40), the jointed upper fixing plates (39) and the fixing plates (40) are fixedly connected through a plurality of bolts (38), the motor shell (1) and the shell cover (27) form a circular cylinder, an arc-shaped cover (17) is fixedly connected with one side of the motor shell (1) and the shell cover (27) through a plurality of bolts, a plurality of first through holes (18) are arranged on the arc-shaped cover (17), a filter screen (26) is fixedly connected with the inner side wall of the arc, the motor casing is characterized in that a box body (9) is fixedly connected to the bottom surface of the inner side wall of the motor casing (1), annular pipes (2) are arranged on two sides of the box body (9), the two annular pipes (2) are fixedly communicated with each other through a second conduit (37), the bottom surface of each annular pipe (2) is fixedly connected with the inner side wall of the motor casing (1), the top surface of each annular pipe (2) is connected with the inner arc surface of a casing cover (27) in a fitting manner, first conduits (7) are arranged between the two annular pipes (2) and the box body (9), two ends of each first conduit (7) are respectively communicated with the annular pipes (2) and the inside of the box body (9) and are fixedly connected with each other, a first check valve (8) and a second check valve (41) are respectively arranged in the two first conduits (7), a sliding plate (10) is arranged in the box body (9) and is slidably connected with the sliding plate in a fitting manner, two sliding rods, the top surface of the sliding rod (12) penetrates out of the box body (9) and is in fit sliding connection with the box body, the top surface of the sliding rod (12) outside the box body (9) is fixedly connected with a transverse plate (14), springs (13) are fixedly connected between the bottom surfaces of the two transverse plates (14) and the top surface of the box body (9), the two springs (13) are respectively sleeved on the two sliding rods (12), the top surface of one transverse plate (14) is fixedly connected with a fixed block (15), one side of the inner bottom surface of the motor shell (1) is fixedly connected with a fixed plate (19), a rotating rod (36) is rotationally connected on the fixed plate (19), two check rings (20) are sleeved on the rotating rod (36) and are fixedly connected with the rotating rod, the two check rings (20) are respectively in fit connection with the two sides of the fixed plate (19), one end of the rotating rod (36) is fixedly connected with a fan (21), and a second gear (16) is sleeved, a motor output end (3) is rotatably connected to one side wall of the motor shell (1), two baffle rings (4) are sleeved on the motor output end (3) and fixedly connected with the motor output end, the two baffle rings (4) are respectively connected with the inner part and the outer part of one side wall of the motor shell (1) in a fit manner, a first gear (5) is sleeved at one end of the motor output end (3) in the motor shell (1), the first gear (5) is fixedly connected with the motor output end (3), one end of the motor output end (3) and one end of a rotating rod (36) are both fixedly connected with cams (6), the two cams (6) are respectively connected with one transverse plate (14) and a fixed block (15) in a fit manner, an arc-shaped clamp (28) is fixedly connected to an inner arc surface of the arc-shaped cover (17), a rubber layer is fixedly connected to the inner arc surface of the arc-shaped clamp (28), and an arc-shaped supporting plate (11, the rubber layer is fixedly connected to the inner arc surface of the arc supporting plate (11), the arc clamp (28) and the arc supporting plate (11) are arranged oppositely, the arc clamp (28) and the arc supporting plate (11) are arranged on one side of the second guide pipe (37), a plurality of arc plates (29) are annularly arranged between the arc clamp (28) and the arc supporting plate (11), the arc plates (29) are annularly attached and connected, discs (31) are arranged on two sides of the arc plates (29), the two discs (31) are symmetrically arranged, the discs (31) are fixedly connected with the arc plates (29) through a plurality of fixing bolts (32), second through holes (33) are formed in the middle of the discs (31), stators (30) are fixedly connected to the inner arc surfaces of the arc plates (29), rotors (34) are arranged in the middle of the stators (30), and rotating shafts (23) are fixedly connected to the middle of the rotors (34), two second through-holes (33) are passed respectively at the both ends of pivot (23), the both ends difference fixedly connected with fourth gear (35) and third gear (22) of pivot (23), third gear (22) and fourth gear (35) are connected with second gear (16) and first gear (5) meshing respectively, and the top fixedly connected with liquid feeding pipe (24) of one of them annular tube (2) sets up rather than communicating, the top surface of liquid feeding pipe (24) passes quick-witted cap (27) top surface and laminates sliding connection rather than, the top end threaded connection of liquid feeding pipe (24) outside quick-witted cap (27) has lid (25).

2. A high speed permanent magnet machine according to claim 1, wherein: the diameter of the fourth gear (35) is greater than the diameter of the first gear (5) by 10 cm-15 cm.

3. A high speed permanent magnet machine according to claim 1, wherein: the sliding plate (10) is sleeved with a sealing ring.

4. A high speed permanent magnet machine according to claim 1, wherein: the spring (13) is a pressure spring.

5. A high speed permanent magnet machine according to claim 1, wherein: the diameter of the third gear (22) is larger than the diameter of the second gear (16) by 3 cm-5 cm.