CN216146182U

CN216146182U - Permanent magnet synchronous motor convenient for fault maintenance

Info

Publication number: CN216146182U
Application number: CN202122022255.6U
Authority: CN
Inventors: 吴娟娟; 宗海焕; 刘星洁
Original assignee: Zhengzhou Electric Power College
Current assignee: Zhengzhou Electric Power College
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-29
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a permanent magnet synchronous motor convenient for troubleshooting, which comprises a motor body, wherein the front end of the motor body is movably connected with a sealing cover, the front end of the sealing cover is provided with a mounting groove, and a first bolt is movably sleeved in the mounting groove. According to the utility model, the sealing cover and the fixing plate are arranged, the front end of the motor body can be sealed through the sealing cover, the rotation of the connecting shaft cannot be influenced, the position of the sealing cover can be quickly positioned through the limiting frame, the position of the sealing gasket can be quickly limited through the positioning sleeve, the sealing cover and the fixing plate can be respectively connected and fixed with the motor body through the first bolt and the second bolt, and then the sealing effect between the sealing cover and the fixing plate and between the sealing cover and the limiting frame can be improved under the action of the sealing gasket and the rubber block, so that the function of convenient disassembly and easy maintenance is achieved.

Description

Permanent magnet synchronous motor convenient for fault maintenance

Technical Field

The utility model belongs to the technical field of synchronous motors, and particularly relates to a permanent magnet synchronous motor convenient for fault maintenance.

Background

The synchronous motor is a heart of a power system, integrates rotation and static, electromagnetic change and mechanical movement, realizes conversion of electric energy and mechanical energy, has very complex dynamic performance, and has great influence on the dynamic performance of the whole power system.

At present, synchronous machine occupies important position in electric power system, and although current synchronous machine also can reach the work needs in daily use, but because its structure is complicated then can lead to its probability that breaks down also corresponding increase, and current synchronous machine in order to reach better connection stability, can use more bolt to its week install fixedly, in case the motor breaks down then in time be not convenient for disassemble it like this, and then can increase maintenance duration, thereby can reduce work efficiency, consequently, need improve it.

Meanwhile, a plurality of grooves are formed in the surface of the existing synchronous motor so as to facilitate heat dissipation inside the synchronous motor, and dust can be accumulated in the grooves for a long time in daily use, so that the heat dissipation efficiency is reduced, and the motor is prone to failure even in the past, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a permanent magnet synchronous motor convenient for fault maintenance, which has the advantages of convenience in maintenance and avoidance of dust accumulation.

In order to achieve the purpose, the utility model provides the following technical scheme: a permanent magnet synchronous motor convenient for troubleshooting comprises a motor body, wherein the front end of the motor body is movably connected with a sealing cover, the front end of the sealing cover is provided with a mounting groove, a first bolt is movably sleeved in the mounting groove, the rear end of the first bolt sequentially penetrates through the mounting groove and the sealing cover, extends into the motor body and is in threaded sleeve connection with the inner wall of the motor body, the right side of the sealing cover is fixedly communicated with a positioning sleeve, the front end of the sealing cover is movably connected with a sealing gasket, a positioning hole is formed in the sealing gasket, the inner wall of the positioning hole is movably sleeved with the outer surface of the positioning sleeve, the right side of the sealing gasket is movably connected with a fixing plate, a second bolt is movably sleeved in the fixing plate, the back surface of the second bolt sequentially penetrates through the fixing plate, the sealing gasket and the sealing cover, extends into the motor body and is in threaded sleeve connection with the inner wall of the motor body, the left end of motor body surface is fixed to be cup jointed with spacing, the left side fixedly connected with block rubber of spacing inner chamber, the left side fixedly connected with of fixed plate is located motor body and the outside sealed cowling of sealed lid, the left side of sealed cowling and the right side swing joint of block rubber, the left end of sealed cowling surface and the inner wall swing joint of spacing, because the setting of position sleeve, when the staff installs sealed the pad, can calibrate sealed pad and sealed inside hole of covering fast through the cooperation of locating hole and position sleeve.

As a preferred technical scheme of the utility model, the other end of the output shaft of the motor body is fixedly sleeved with a connecting shaft, the front end of the connecting shaft penetrates through the motor body and the sealing cover and extends to the front of the sealing cover, the right side of the top of the motor body is fixedly connected with a controller, the motor body can be connected with a numerical control device through the arranged controller, and then the motor body can be controlled by a worker through a computer, so that the working efficiency is improved, and meanwhile, the danger caused by direct contact with the motor body can be avoided.

As a preferred technical scheme of the utility model, the outer surfaces of the sealing cover and the fixed plate are fixedly connected with the sliding frames, the sliding blocks are movably sleeved in the sliding frames, the front ends and the rear ends of the sliding blocks penetrate through the sliding frames and extend to the outer parts of the sliding frames, and due to the arrangement of the sliding frames, the sliding blocks can be conveniently installed or disassembled by workers, so that the sealing cover and the fixed plate can be conveniently and subsequently disassembled, and the function of convenient disassembly and easy maintenance is achieved.

As a preferred technical scheme of the utility model, the top of the sliding block penetrates through the sliding frame and extends to the upper part of the sliding frame, the left end of the top of the sliding block is fixedly connected with the fixing ring, the right end of the top of the sliding block is fixedly connected with the connecting arc block, and the first radiating fin and the second radiating fin can be conveniently installed through the arranged fixing ring and the connecting arc block, so that a good radiating effect is achieved.

As a preferred technical solution of the present invention, the right side of the fixing ring is fixedly connected with a first heat sink located on the left side of the controller, and the bottom of the first heat sink is movably connected with the top of the sealing cover, so that the arrangement of the first heat sink can dissipate heat from the outer surface of the sealing cover and the left area of the controller, and the installation of the fixing ring and the connecting arc block through the carriage and the slider is not affected.

As a preferable technical scheme of the utility model, the second radiating fins are fixedly connected between the opposite surfaces of the fixing ring and the connecting arc block, the bottom of each second radiating fin is movably connected with the top of the sealing cover, and the second radiating fins can be arranged to radiate the outer surface of the sealing cover to the maximum extent without influencing the expectation of the controller.

Wherein, through setting up the balladeur train, gu fixed ring, first fin and second fin, can make things convenient for the staff to pass through the slider fast with solid fixed ring and the surface of connecting arc piece integral erection at the seal cover under the effect of balladeur train, and receive the influence of controller when can avoiding installing through connecting arc piece and first fin, and then first fin and the second fin through the installation can dispel the heat to the seal cover surface by the maximum range ground, because can take off first fin and second fin through solid fixed ring and connection arc piece, and the bottom fretwork setting of first fin and second fin, and then can avoid the inside accumulation dust of first fin and second fin and be difficult to the condition of clearing up.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the sealing cover, the sealing gasket and the fixing plate are arranged, the front end of the motor body can be sealed through the sealing cover, the rotation of the connecting shaft cannot be influenced, the position of the sealing cover can be quickly positioned through the limiting frame, the position of the sealing gasket can be quickly limited through the positioning sleeve, the sealing cover and the fixing plate can be respectively connected and fixed with the motor body through the first bolt and the second bolt, and further, the sealing effect between the sealing cover and the fixing plate and between the sealing cover and the limiting frame can be improved under the action of the sealing gasket and the rubber block, so that the function of convenience in disassembly and easiness in maintenance is achieved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the sealing cap of the present invention;

FIG. 3 is a schematic cross-sectional view of the fixing plate according to the present invention;

FIG. 4 is a schematic cross-sectional front view of the present invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 2 at A;

fig. 6 is a partially enlarged structural view at B in fig. 3.

In the figure: 1. a motor body; 2. a sealing cover; 3. a sealing cover; 4. mounting grooves; 5. a first bolt; 6. a positioning sleeve; 7. a gasket; 8. a fixing plate; 9. a second bolt; 10. a limiting frame; 11. a rubber block; 12. a controller; 13. a carriage; 14. a slider; 15. a fixing ring; 16. connecting the arc blocks; 17. a first heat sink; 18. a second heat sink; 19. positioning holes; 20. and (7) connecting the shafts.

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.

The utility model provides a PMSM convenient to carry out troubleshooting, as shown in fig. 1 to fig. 6, including motor body 1, motor body 1's front end swing joint has sealed lid 3, mounting groove 4 has been seted up to the front end of sealed lid 3, first bolt 5 has been cup jointed in the inside activity of mounting groove 4, the rear end of first bolt 5 runs through mounting groove 4 and sealed lid 3 in proper order and extends to motor body 1's inside and cup joints with motor body 1's inner wall screw thread, the fixed intercommunication in right side of sealed lid 3 has position sleeve 6, the front end swing joint of sealed lid 3 has sealed the pad 7, locating hole 19 has been seted up to the inside of sealed pad 7, the inner wall of locating hole 19 cup joints with the surface activity of position sleeve 6, the right side swing joint of sealed pad 7 has fixed plate 8, second bolt 9 has been cup jointed in the inside activity of fixed plate 8, the back of second bolt 9 runs through fixed plate 8 in proper order, sealed pad 7 and sealed lid 3 extend to motor body 1's inside and with motor body 1's inner wall screw thread Cup joint, the left end of 1 surface of motor body is fixed to have cup jointed spacing 10, the left side fixedly connected with block rubber 11 of spacing 10 inner chambers, the left side fixedly connected with of fixed plate 8 is located motor body 1 and the sealed 3 outside sealed cowlings 2 of lid, the left side of sealed cowling 2 and the right side swing joint of block rubber 11, the left end of sealed cowling 2 surface and the inner wall swing joint of spacing 10, because the setting of position sleeve 6, when the staff installs sealed 7, can calibrate sealed 7 and the sealed inside hole of lid 3 fast with the cooperation of position sleeve 6 through locating hole 19.

Wherein, the fixed coupling that has connect connecting axle 20 of the other end of 1 output shaft of motor body, the front end of connecting axle 20 runs through motor body 1 and sealed lid 3 and extends to the place ahead of sealed lid 3, the right side fixedly connected with controller 12 at motor body 1 top, through the controller 12 that sets up, can be connected motor body 1 with numerical control equipment, and then just control motor body 1 through the computer with the staff, thereby improve work efficiency, the danger that brings when also can avoiding direct contact motor body 1 simultaneously.

Wherein, the equal fixedly connected with balladeur train 13 of surface of sealed cowling 2 and fixed plate 8, slider 14 has been cup jointed in balladeur train 13's inside activity, and both ends all run through balladeur train 13 and extend to the outside of balladeur train 13 around slider 14, because the setting of balladeur train 13, can make things convenient for the staff to install or dismantle slider 14, and then be convenient for dismantle sealed cowling 2 and fixed plate 8 afterwards to reach the function that convenient to detach easily overhauld.

Wherein, the top of slider 14 runs through balladeur train 13 and extends to balladeur train 13's top, and the left end fixedly connected with at slider 14 top has solid fixed ring 15, and the right-hand member fixedly connected with at slider 14 top connects arc piece 16, through solid fixed ring 15 that sets up and connect arc piece 16, can conveniently install first fin 17 and second fin 18 to reach good radiating effect.

Wherein, the right side fixedly connected with of solid fixed ring 15 is located the left first fin 17 of controller 12, the bottom of first fin 17 and the top swing joint of sealed cowling 2, because the setting of first fin 17 can dispel the heat to the left side region of sealed cowling 2 surface and controller 12, can not influence the installation through balladeur train 13 and slider 14 to solid fixed ring 15 and connection arc piece 16 simultaneously.

Wherein, gu fixed ring 15 with connect between the facing surface of arc piece 16 equal fixedly connected with second fin 18, the bottom of second fin 18 and the top swing joint of sealed cowling 2, through the second fin 18 that sets up, can be under the condition that does not influence controller 12 envisions, the surface of furthest ground to sealed cowling 2 dispels the heat.

The working principle and the using process of the utility model are as follows:

firstly, the sealing cover 3 is sleeved on the outer surface of the connecting shaft 20 and the sealing cover 3 is tightly attached to the front end of the motor body 1, then the first bolt 5 is screwed into the motor body 1 from the mounting groove 4, after the sealing cover 3 is completely fixed, the sealing gasket 7 is firstly mounted at the front end of the sealing cover 3 through the matching of the positioning sleeve 6 and the positioning hole 19, then the left end of the sealing cover 2 is inserted into the limiting frame 10 through the fixing plate 8, then the second bolt 9 is screwed into the fixing plate 8, the sealing gasket 7 and the sealing cover 3 in sequence, and finally the motor body 1 is tightly screwed into the motor body 1, so that the sealing cover 2, the sealing cover 3 and the fixing plate 8 can be conveniently and quickly fixed on the outer surface of the motor body 1;

firstly, the fixing ring 15 and the connecting arc block 16 are rotated to rotate the first radiating fin 17 to the upper side, then the sliding block 14 is inserted into the inside of the sliding frame 13 from the left end of the sliding frame 13 under the driving of the fixing ring 15 and the connecting arc block 16, namely, the first radiating fin 17 and the second radiating fin 18 can be quickly installed under the condition of not being influenced by the controller 12, so that a good radiating effect is realized, and because the bottoms of the first radiating fin 17 and the second radiating fin 18 are movably connected with the outer surface of the sealing cover 2, when the sliding block 14 is drawn out from the inside of the sliding frame 13 through the fixing ring 15 and the connecting arc block 16, dust between the first radiating fin 17 and the second radiating fin 18 and at the top of the sealing cover 2 can be quickly cleaned, so that the condition of long-term dust accumulation is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PMSM convenient to carry out troubleshooting, includes motor body (1), its characterized in that: the front end of the motor body (1) is movably connected with a sealing cover (3), the front end of the sealing cover (3) is provided with a mounting groove (4), a first bolt (5) is movably sleeved in the mounting groove (4), and the rear end of the first bolt (5) sequentially penetrates through the mounting groove (4) and the sealing cover (3), extends into the motor body (1) and is in threaded sleeve connection with the inner wall of the motor body (1); the right side of the sealing cover (3) is fixedly communicated with a positioning sleeve (6), the front end of the sealing cover (3) is movably connected with a sealing gasket (7), a positioning hole (19) is formed in the sealing gasket (7), the inner wall of the positioning hole (19) is movably sleeved with the outer surface of the positioning sleeve (6), the right side of the sealing gasket (7) is movably connected with a fixing plate (8), a second bolt (9) is movably sleeved in the fixing plate (8), and the back surface of the second bolt (9) sequentially penetrates through the fixing plate (8), the sealing gasket (7) and the sealing cover (3), extends into the motor body (1) and is in threaded sleeve connection with the inner wall of the motor body (1); the left end of motor body (1) surface is fixed to be cup jointed spacing (10), the left side fixedly connected with block rubber (11) of spacing (10) inner chamber, the left side fixedly connected with of fixed plate (8) is located motor body (1) and sealed outside sealed cowling (2) of lid (3), the left side of sealed cowling (2) and the right side swing joint of block rubber (11), the left end of sealed cowling (2) surface and the inner wall swing joint of spacing (10).

2. The permanent magnet synchronous motor facilitating troubleshooting as set forth in claim 1, wherein: the other end of the output shaft of the motor body (1) is fixedly sleeved with a connecting shaft (20), the front end of the connecting shaft (20) penetrates through the motor body (1) and the sealing cover (3) and extends to the front of the sealing cover (3), and the right side of the top of the motor body (1) is fixedly connected with a controller (12).

3. The permanent magnet synchronous motor facilitating troubleshooting as set forth in claim 1, wherein: the outer surface of the sealing cover (2) and the outer surface of the fixing plate (8) are fixedly connected with a sliding frame (13), a sliding block (14) is movably sleeved in the sliding frame (13), and the front end and the rear end of the sliding block (14) penetrate through the sliding frame (13) and extend to the outer portion of the sliding frame (13).

4. A permanent magnet synchronous motor facilitating troubleshooting according to claim 3 wherein: the top of slider (14) runs through balladeur train (13) and extends to the top of balladeur train (13), and the left end fixedly connected with at slider (14) top is fixed ring (15), and the right-hand member fixedly connected with at slider (14) top connects arc piece (16).

5. The permanent magnet synchronous motor facilitating troubleshooting according to claim 4, characterized in that: the right side of the fixed ring (15) is fixedly connected with a first radiating fin (17) positioned on the left side of the controller (12), and the bottom of the first radiating fin (17) is movably connected with the top of the sealing cover (2).

6. The permanent magnet synchronous motor facilitating troubleshooting according to claim 4, characterized in that: the opposite surfaces of the fixing ring (15) and the connecting arc block (16) are fixedly connected with second radiating fins (18), and the bottoms of the second radiating fins (18) are movably connected with the top of the sealing cover (2).