End cover mounting structure of permanent magnet motor

Abstract

The invention discloses an end cover mounting structure of a permanent magnet motor, and relates to the technical field of motor end cover mounting structures, and the end cover mounting structure comprises a workbench, the top of the workbench is fixedly provided with a support, the top of the support is fixedly provided with a cylinder, an output shaft of the cylinder penetrates through the support, and the bottom end of the support is fixedly provided with a connecting plate. The bottom of the connecting plate is slidably connected to the bottom of the sliding frame. A clamping mechanism and a fixing mechanism are arranged at the top of the workbench, the clamping mechanism is matched with the fixing mechanism, and an adjusting mechanism and a mounting mechanism are arranged at the bottom of the connecting plate. An end cover is placed at the bottom of a sliding plate and can be fixed by starting a fourth electric push rod, and then a motor is placed at the top of the workbench; the motor can be fixed through the clamp, then the first electric push rod and the second electric push rod are started to adjust the position of the end cover, accurate butt joint with the motor is achieved, and the end cover is accurately installed.

Description

Technical Field

[0001] The present invention relates to the technical field of motor end - cover installation structures, and particularly to an end - cover installation structure for a permanent - magnet motor. Background Technique

[0002] A motor is a device that converts electrical energy into mechanical energy. It uses an energized coil (i.e., the stator winding) to generate a rotating magnetic field and acts on the rotor to form a magneto - electric driving rotating torque. Among them, a permanent - magnet motor uses the magnetic field of a permanent magnet and the current in the coil to interact to generate torque, without the need for an external magnetic - field source, and is suitable for occasions requiring high efficiency, high precision, and high reliability, such as wind power generation, medical equipment, etc.

[0003] In the installation of existing permanent - magnet motors, generally, the inner ring of the bearing or the entire bearing is used to install the end - cover. However, when installing the end - cover, it is not convenient to accurately dock the end - cover with the bearing, and the installation efficiency of the end - cover is not high. Therefore, the present invention proposes an end - cover installation structure for a permanent - magnet motor to solve the above problems. Summary of the Invention

[0004] The purpose of the present application is to provide an end - cover installation structure for a permanent - magnet motor to solve the problems in the above - mentioned background technique that when installing the end - cover, it is not convenient to accurately dock the end - cover with the bearing, and the installation efficiency of the end - cover is not high.

[0005] To achieve the above purpose, the present application provides the following technical solution: An end - cover installation structure for a permanent - magnet motor, including a workbench. A bracket is fixedly installed on the top of the workbench, a cylinder is fixedly installed on the top of the bracket, the output shaft of the cylinder penetrates through the bracket, a connecting plate is fixedly installed at the bottom end of the bracket, and the bottom of the connecting plate is slidably connected to the bottom of a sliding frame;

[0006] A clamping mechanism and a fixing mechanism are respectively arranged on the top of the workbench. The clamping mechanism cooperates with the fixing mechanism. An adjusting mechanism and an installation mechanism are respectively arranged at the bottom of the connecting plate. The clamping mechanism cooperates with the installation mechanism.

[0007] With the above - mentioned structure, by placing the end - cover at the bottom of the sliding plate and starting the fourth electric push - rod, the end - cover can be fixed. Then, place the motor on the top of the workbench, and the motor can be fixed by the fixture. Then, start the first electric push - rod and the second electric push - rod to adjust the position of the end - cover to accurately dock with the motor and accurately install the end - cover.

[0008] Preferably, the adjusting mechanism includes: a first electric push - rod, a second electric push - rod, a fourth electric push - rod, and a pressing frame;

[0009] The first electric push rod is fixedly connected to the connecting plate. The output shaft of the first electric push rod is fixedly connected to the sliding plate. The second electric rod is fixedly installed on the top of the sliding plate. The output shaft of the second electric push rod is slidably connected to the connecting plate. The fourth electric push rod is fixedly installed on the bottom of the sliding plate. The output shaft of the fourth electric push rod is fixedly connected to the pressing frame.

[0010] Further, after starting the first electric push rod, the first electric push rod can push the sliding plate and the second electric push rod to slide horizontally on the connecting plate. Then, start the second electric push rod, and the second electric push rod can push the sliding plate to move back and forth at the bottom of the connecting plate to adjust the position of the end cover at the bottom of the sliding plate. Then, start the fourth electric push rod, and the fourth electric push rod can push the pressing frame, and the pressing frame then presses the end cover onto the motor.

[0011] Preferably, the installation mechanism includes: a fitting frame, a third electric push rod, a pushing rod, a rotating rod, a driving rod, and a round rod;

[0012] The fitting frame is slidably connected to the bottom of the sliding plate. The third electric push rod is fixedly connected to the sliding plate. The output shaft of the third electric push rod is fixedly connected to the fitting frame at the upper position. The fitting frame at the upper position is rotatably connected to the pushing rod. The pushing rod is rotatably connected to the rotating rod. The rotating rod is rotatably connected to the sliding plate. The rotating rod cooperates with the driving rod. The driving rod is fixedly connected to the fitting frame at the lower position.

[0013] Further, after the third electric push rod is started, the third electric push rod can push the fitting frame at the upper position to move downward, and then push the pushing rod. The pushing rod can push the rotating rod to rotate counterclockwise. At this time, the right end of the rotating rod can push the driving rod and the fitting frame at the lower position to slide upward, so that the two fitting frames can approach each other to clamp and fix the end cover.

[0014] Preferably, the clamping mechanism includes: a clamp, a fixing rod, a rotating frame, a driving frame, and a connecting rod;

[0015] The clamp is slidably connected to the top of the workbench. The fixing rod is fixedly connected to the clamp at the left position. The rotating frame cooperates with the fixing rod. The fixing rod is in sliding contact with the driving frame. The sliding frame is slidably connected to the top of the workbench. The connecting rod is rotatably connected to the rotating frame and the clamp at the right position respectively.

[0016] Further, when the right end of the rotating frame is pulled, the rotating frame will rotate clockwise on the top of the workbench, so that the rotating frame can squeeze the fixing plate and the clamp at the left position to move to the right. And the rotating frame will also push the driving frame to move upward, so that the driving frame can push the connecting rod, and the connecting rod can push the clamp at the right position to move to the left, so that the two clamps can approach each other to clamp the motor.

[0017] Preferably, the fixing mechanism includes: a positioning disk, a positioning frame, a positioning spring, a fixing block and an unlocking rod;

[0018] The bottom end of the positioning disk penetrates through the rotating frame, the bottom end of the positioning disk is fixedly connected to the workbench, the positioning frame is slidably connected to the top of the rotating frame, the positioning frame is fixedly connected to the positioning spring, the positioning spring is fixedly connected to the fixing block, and the unlocking rod is fixedly connected to the positioning frame.

[0019] Further, after the positioning frame engages with the positioning disk, the positioning frame can connect the positioning disk and the rotating frame to block the rotation of the rotating frame on the positioning disk, thereby achieving the positioning of the rotating frame, making the rotating frame unable to rotate on the workbench. The rotating frame controls the positions of the two clamps, and the rotating frame can stably support the positions of the two clamps to stably clamp the motor. After pulling the unlocking rod, the unlocking rod can pull the positioning frame away from the positioning disk to unlock the rotating frame.

[0020] Preferably, a horizontal sliding groove is formed in the top of the workbench, and the bottoms of the two clamps are both slidably connected to the inner wall of the horizontal sliding groove. Padding is fixedly installed on one side of the two clamps close to each other.

[0021] Further, the horizontal sliding groove is used for installing the clamps, and the padding is used for protecting the motor when the clamps clamp the motor.

[0022] Preferably, a round rod is fixedly installed at the bottom of the driving rod, and the round rod is slidably connected to the inner wall of the rotating rod.

[0023] Further, the round rod is used to connect the driving rod and the rotating rod, so that when the rotating rod rotates, it can horizontally move the driving rod.

[0024] Preferably, a torsion spring is fixedly installed at the bottom of the rotating frame, and the torsion spring is fixedly connected to the top of the workbench.

[0025] Further, the torsion spring is used for assisting the reset of the rotating frame.

[0026] Preferably, a positioning block is fixedly installed on the left side of the positioning frame, a plurality of insertion grooves arranged at equal intervals are formed on the positioning disk, and the positioning block is in sliding contact with the inner wall of the insertion groove.

[0027] Further, after the positioning frame engages with the positioning disk, the positioning of the rotating frame can be achieved.

[0028] Preferably, a round block is fixedly installed at the top of the fixed rod, and the round block is slidably connected to the inner wall of the rotating frame.

[0029] Further, the round block is used to connect the rotating frame and the fixed rod, so that when the rotating frame rotates, it can horizontally move the driving rod and the clamp.

[0030] In summary, the technical effects and advantages of the present invention are as follows:

[0031] 1. After starting the first electric push rod, the first electric push rod can push the sliding plate and the second electric push rod to slide horizontally on the connecting plate. Then, after starting the second electric push rod, the second electric push rod can push the sliding plate to move back and forth at the bottom of the connecting plate to adjust the position of the end cover at the bottom of the sliding plate. Then, after starting the fourth electric push rod, the fourth electric push rod can push the pressing frame, and the pressing frame can then press the end cover onto the motor;

[0032] 2. After starting the third electric push rod, the third electric push rod can push the fitting frame located at the upper position to move downward, and then push the push rod. The push rod can then push the rotating rod to rotate counterclockwise. At this time, the right end of the rotating rod can push the driving rod and the fitting frame located at the lower position to slide upward, so that the two fitting frames can approach each other to clamp and fix the end cover;

[0033] 3. When the right end of the rotating frame is pulled, the rotating frame will rotate clockwise on the top of the workbench, so that the rotating frame can squeeze the fixed plate and the fixture located on the left side to move to the right. And the rotating frame will also push the driving frame upward, so that the driving frame can push the connecting rod, and the connecting rod can push the fixture located on the right side to move to the left, so that the two fixtures can approach each other to clamp the motor;

[0034] 4. After the positioning frame meshes with the positioning disk, the positioning frame can connect the positioning disk with the rotating frame to block the rotation of the rotating frame on the positioning disk, thereby realizing the positioning of the rotating frame, so that the rotating frame cannot rotate on the workbench. The rotating frame controls the positions of the two fixtures, and the rotating frame can stably support the positions of the two fixtures to stably clamp the motor. After pulling the unlocking rod, the unlocking rod can pull the positioning frame away from the positioning disk to unlock the rotating frame;

[0035] In the present invention, the end cover is placed at the bottom of the sliding plate, and by starting the fourth electric push rod, the end cover can be fixed. Then, the motor is placed on the top of the workbench, and the motor can be fixed by the fixture. Then, the first electric push rod and the second electric push rod are started to adjust the position of the end cover to accurately dock with the motor and accurately install the end cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is the three-dimensional front view structure diagram of the embodiment of the present application;

[0037] Figure 2 It is the three-dimensional left side view structure diagram of the embodiment of the present application;

[0038] Figure 3 It is the three-dimensional right side view structure diagram of the embodiment of the present application;

[0039] Figure 4 It is a three - dimensional rear - view schematic diagram of the structure of the embodiment of the present application;

[0040] Figure 5 It is a three - dimensional top - view sectional schematic diagram of the structure of the embodiment of the present application;

[0041] Figure 6 It is a three - dimensional bottom - view sectional schematic diagram of the structure of the embodiment of the present application;

[0042] Figure 7 It is a three - dimensional top - view schematic diagram of the structure adjustment mechanism of the embodiment of the present application;

[0043] Figure 8 It is a three - dimensional bottom - view schematic diagram of the structure installation mechanism of the embodiment of the present application;

[0044] Figure 9 It is a three - dimensional front - view schematic diagram of the structure fixing mechanism of the embodiment of the present application;

[0045] Figure 10 It is a three - dimensional top - view schematic diagram of the structure fixing mechanism of the embodiment of the present application.

[0046] In the figure: 1, workbench; 2, bracket; 3, cylinder; 4, motor; 5, connecting plate; 6, first electric push rod; 7, sliding plate; 8, second electric push rod; 9, fitting frame; 10, third electric push rod; 11, pushing rod; 12, rotating rod; 13, driving rod; 14, round rod; 15, fourth electric push rod; 16, pressing frame; 17, clamp; 18, fixing rod; 19, rotating frame; 20, driving frame; 21, connecting rod; 22, positioning disc; 23, torsion spring; 24, positioning frame; 25, positioning spring; 26, fixing block; 27, unlocking rod. Detailed implementation manners

[0047] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0048] Embodiment

[0049] Refer to Figures 1-10 , in this embodiment, an end - cover installation structure of a permanent - magnet motor is proposed, including a workbench 1. A bracket 2 is fixedly installed on the top of the workbench 1. A cylinder 3 is fixedly installed on the top of the bracket 2. The output shaft of the cylinder 3 penetrates through the bracket 2. A connecting plate 5 is fixedly installed at the bottom end of the bracket 2. The bottom of the connecting plate 5 is slidably connected to the bottom of the sliding frame;

[0050] The top of the workbench 1 is respectively provided with a clamping mechanism and a fixing mechanism, the clamping mechanism cooperates with the fixing mechanism, and the bottom of the connecting plate 5 is respectively provided with an adjusting mechanism and a mounting mechanism, and the clamping mechanism cooperates with the mounting mechanism.

[0051] With the above structure, by placing the end cover at the bottom of the sliding plate 7 and starting the fourth electric push rod 15, the end cover can be fixed. Then place the motor 4 on the top of the workbench 1, and the motor 4 can be fixed by the fixture 17. Then start the first electric push rod 6 and the second electric push rod 8 to adjust the position of the end cover to accurately dock with the motor 4 and accurately install the end cover.

[0052] As a preferred implementation manner of this embodiment, the adjusting mechanism includes: a first electric push rod 6, a second electric push rod 8, a fourth electric push rod 15 and a pressing frame 16;

[0053] The first electric push rod 6 is fixedly connected to the connecting plate 5, the output shaft of the first electric push rod 6 is fixedly connected to the sliding plate 7, the second electric rod is fixedly installed on the top of the sliding plate 7, the output shaft of the second electric push rod 8 is slidably connected to the connecting plate 5, the fourth electric push rod 15 is fixedly installed at the bottom of the sliding plate 7, and the output shaft of the fourth electric push rod 15 is fixedly connected to the pressing frame 16. After starting the first electric push rod 6, the first electric push rod 6 can push the sliding plate 7 and the second electric push rod 8 to slide horizontally on the connecting plate 5. Then start the second electric push rod 8, and the second electric push rod 8 can push the sliding plate 7 to move back and forth at the bottom of the connecting plate 5 to adjust the position of the end cover at the bottom of the sliding plate 7. Then start the fourth electric push rod 15, and the fourth electric push rod 15 can push the pressing frame 16, and the pressing frame 16 then presses the end cover onto the motor 4.

[0054] As a preferred implementation manner of this embodiment, the mounting mechanism includes: a fitting frame 9, a third electric push rod 10, a pushing rod 11, a rotating rod 12, a driving rod 13 and a round rod 14;

[0055] The fitting frame 9 is slidably connected to the bottom of the sliding plate 7, the third electric push rod 10 is fixedly connected to the sliding plate 7, the output shaft of the third electric push rod 10 is fixedly connected to the fitting frame 9 at the upper position, the fitting frame 9 at the upper position is rotatably connected to the pushing rod 11, the pushing rod 11 is rotatably connected to the rotating rod 12, the rotating rod 12 is rotatably connected to the sliding plate 7, the rotating rod 12 cooperates with the driving rod 13, and the driving rod 13 is fixedly connected to the fitting frame 9 at the lower position. After the third electric push rod 10 is started, the third electric push rod 10 can push the fitting frame 9 at the upper position to move downward, and then push the pushing rod 11. The pushing rod 11 can push the rotating rod 12 to rotate counterclockwise. At this time, the right end of the rotating rod 12 can push the driving rod 13 and the fitting frame 9 at the lower position to slide upward, so that the two fitting frames 9 can approach each other to clamp and fix the end cover.

[0056] As a preferred embodiment of this embodiment, the clamping mechanism includes: a fixture 17, a fixed rod 18, a rotating frame 19, a driving frame 20, and a connecting rod 21;

[0057] The fixture 17 is slidably connected to the top of the workbench 1. The fixed rod 18 is fixedly connected to the fixture 17 at the left position. The rotating frame 19 is matched with the fixed rod 18. The fixed rod 18 is in sliding contact with the driving frame 20. The sliding frame is slidably connected to the top of the workbench 1. The connecting rod 21 is rotatably connected to the rotating frame 19 and the fixture 17 at the right position respectively. When the right end of the rotating frame 19 is pulled, the rotating frame 19 will rotate clockwise on the top of the workbench 1, so that the rotating frame 19 can squeeze the fixed plate and the fixture 17 at the left position to move to the right. And the rotating frame 19 will also push the driving frame 20 upward, so that the driving frame 20 can push the connecting rod 21, and the connecting rod 21 can push the fixture 17 at the right position to move to the left, so that the two fixtures 17 can approach each other to clamp the motor 4.

[0058] As a preferred embodiment of this embodiment, the fixing mechanism includes: a positioning disk 22, a positioning frame 24, a positioning spring 25, a fixing block 26, and an unlocking rod 27;

[0059] The bottom end of the positioning disk 22 penetrates through the rotating frame 19. The bottom end of the positioning disk 22 is fixedly connected to the workbench 1. The positioning frame 24 is slidably connected to the top of the rotating frame 19. The positioning frame 24 is fixedly connected to the positioning spring 25. The positioning spring 25 is fixedly connected to the fixing block 26. The unlocking rod 27 is fixedly connected to the positioning frame 24. After the positioning frame 24 meshes with the positioning disk 22, the positioning frame 24 can connect the positioning disk 22 and the rotating frame 19 to block the rotation of the rotating frame 19 on the positioning disk 22, so as to realize the positioning of the rotating frame 19, so that the rotating frame 19 cannot rotate on the workbench 1. The rotating frame 19 controls the positions of the two fixtures 17, and the rotating frame 19 can stably support the positions of the two fixtures 17 to stably clamp the motor 4. After pulling the unlocking rod 27, the unlocking rod 27 can pull the positioning frame 24 to disengage from the positioning disk 22 to unlock the rotating frame 19.

[0060] In this embodiment, a horizontal sliding groove is formed in the top of the workbench 1. The bottoms of the two fixtures 17 are both slidably connected to the inner wall of the horizontal sliding groove. Padding is fixedly installed on one side of the two fixtures 17 close to each other. The horizontal sliding groove is used to install the fixtures 17, and the padding is used to protect the motor 4 when the fixtures 17 clamp the motor 4.

[0061] In this embodiment, a round rod 14 is fixedly installed at the bottom of the driving rod 13. The round rod 14 is slidably connected to the inner wall of the rotating rod 12. The round rod 14 is used to connect the driving rod 13 and the rotating rod 12, so that the rotating rod 12 can horizontally move the driving rod 13 when rotating.

[0062] In this embodiment, a torsion spring 23 is fixedly installed at the bottom of the rotating frame 19. The torsion spring 23 is fixedly connected to the top of the workbench 1. The torsion spring 23 is used to assist in resetting the rotating frame 19.

[0063] In this embodiment, a positioning block is fixedly installed on the left side of the positioning frame 24. A plurality of insertion grooves arranged at equal intervals are formed in the positioning disk 22. The positioning block is in sliding contact with the inner wall of the insertion groove. After the positioning frame 24 is engaged with the positioning disk 22, the positioning of the rotating frame 19 can be realized.

[0064] In this embodiment, a round block is fixedly installed at the top of the fixed rod 18. The round block is slidably connected to the inner wall of the rotating frame 19. The round block is used to connect the rotating frame 19 and the fixed rod 18, so that the rotating frame 19 can horizontally move the driving rod 13 and the fixture 17 when rotating.

[0065] Working principle: Place the end cap at the bottom of the sliding plate 7, inside the two second fitting frames 9, and then start the third electric push rod 10. After the third electric push rod 10 is started, the third electric push rod 10 can push the fitting frame 9 in the upper position downward, and then push the push rod 11. The push rod 11 can push the rotating rod 12 to rotate counterclockwise. At this time, the right end of the rotating rod 12 can push the driving rod 13 and the fitting frame 9 in the lower position to slide upward, so that the two fitting frames 9 can approach each other to clamp and fix the end cap. After clamping, fix the motor 4. First, pull the unlocking rod 27. After pulling the unlocking rod 27, the unlocking rod 27 can pull the positioning frame 24 away from the positioning disk 22 to unlock the rotating frame 19. Then rotate the rotating frame 19. When the right end of the rotating frame 19 is pulled, the rotating frame 19 will rotate clockwise on the top of the workbench 1, so that the rotating frame 19 can squeeze the fixed plate and the fixture 17 in the left position to move to the right. And the rotating frame 19 will also push the driving frame 20 upward, so that the driving frame 20 can push the connecting rod 21, and the connecting rod 21 can push the fixture 17 in the right position to move to the left, so that the two fixtures 17 can approach each other to clamp the motor 4. At this time, release the positioning frame 24, so that the positioning frame 24 can automatically engage with the positioning disk 22. After the positioning frame 24 engages with the positioning disk 22, the positioning frame 24 can connect the positioning disk 22 with the rotating frame 19 to block the rotation of the rotating frame 19 on the positioning disk 22, and the positioning of the rotating frame 19 can be realized, so that the rotating frame 19 cannot rotate on the workbench 1. The rotating frame 19 controls the positions of the two fixtures 17, and the rotating frame 19 can stably support the positions of the two fixtures 17 to stably clamp the motor 4. At this time, the first electric push rod 6 and the second electric push rod 8 can be started. The first electric push rod 6 can push the sliding plate 7 and the second electric push rod 8 to slide horizontally on the connecting plate 5. Then start the second electric push rod 8. The second electric push rod 8 can push the sliding plate 7 to move back and forth at the bottom of the connecting plate 5 to adjust the position of the end cap at the bottom of the sliding plate 7. Then start the fourth electric push rod 15. The fourth electric push rod 15 can push the pressing frame 16, and the pressing frame 16 presses the end cap onto the motor 4 to accurately dock with the motor 4 and accurately install the end cap.

[0066] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A permanent magnet motor end cover mounting structure, comprising a workbench (1), characterized in that: A bracket (2) is fixedly mounted on the top of the workbench (1), a cylinder (3) is fixedly mounted on the top of the bracket (2), an output shaft of the cylinder (3) passes through the bracket (2), a connecting plate (5) is fixedly mounted on the bottom end of the bracket (2), and the bottom of the connecting plate (5) is slidably connected to the bottom of the sliding frame; The top of the workbench (1) is provided with a clamping mechanism and a fixing mechanism, which cooperate with each other. The bottom of the connecting plate (5) is provided with an adjusting mechanism and a mounting mechanism, which cooperate with each other.

2. The end cover mounting structure of a permanent magnet motor according to claim 1, characterized in that: The adjusting mechanism comprises: a first electric push rod (6), a second electric push rod (8), a fourth electric push rod (15) and a pressing frame (16); The first electric push rod (6) is fixedly connected to the connecting plate (5), the output shaft of the first electric push rod (6) is fixedly connected to the sliding plate (7), the second electric push rod is fixedly installed on the top of the sliding plate (7), the output shaft of the second electric push rod (8) is slidably connected to the connecting plate (5), the fourth electric push rod (15) is fixedly installed on the bottom of the sliding plate (7), and the output shaft of the fourth electric push rod (15) is fixedly connected to the pressing frame (16).

3. The end cover mounting structure of a permanent magnet motor according to claim 1, characterized in that: The installation mechanism comprises: a laminating frame (9), a third electric push rod (10), a pushing rod (11), a rotating rod (12), a driving rod (13) and a round rod (14); The laminating frame (9) is slidably connected to the bottom of the sliding plate (7), the third electric push rod (10) is fixedly connected to the sliding plate (7), the output shaft of the third electric push rod (10) is fixedly connected to the laminating frame (9) located at the upper position, the laminating frame (9) located at the upper position is rotationally connected to the pushing rod (11), the pushing rod (11) is rotationally connected to the rotating rod (12), the rotating rod (12) is rotationally connected to the sliding plate (7), the rotating rod (12) cooperates with the driving rod (13), and the driving rod (13) is fixedly connected to the laminating frame (9) located at the lower position.

4. The end cover mounting structure of a permanent magnet motor according to claim 1, characterized in that: The clamping mechanism comprises: a clamp (17), a fixing rod (18), a rotating frame (19), a driving frame (20) and a connecting rod (21); The clamp (17) is slidably connected to the top of the workbench (1), the fixed rod (18) is fixedly connected to the clamp (17) located at the left position, the rotating frame (19) cooperates with the fixed rod (18), the fixed rod (18) is in sliding contact with the driving frame (20), the sliding frame is slidably connected to the top of the workbench (1), and the connecting rod (21) is rotatably connected to the rotating frame (19) and the clamp (17) located at the right position respectively.

5. The end cover mounting structure of a permanent magnet motor according to claim 1, characterized in that: The fixing mechanism comprises: a positioning plate (22), a positioning frame (24), a positioning spring (25), a fixing block (26) and an unlocking rod (27); The bottom end of the positioning plate (22) passes through the rotating frame (19), the bottom end of the positioning plate (22) is fixedly connected to the workbench (1), the positioning frame (24) is slidably connected to the top of the rotating frame (19), the positioning frame (24) is fixedly connected to the positioning spring (25), the positioning spring (25) is fixedly connected to the fixing block (26), and the unlocking rod (27) is fixedly connected to the positioning frame (24).

6. The end cover mounting structure of a permanent magnet motor according to claim 4, characterized in that: A horizontal slide groove is provided on the top of the workbench (1), the bottoms of the two clamps (17) are slidably connected to the inner wall of the horizontal slide groove, and a protective pad is fixedly installed on the side of the two clamps (17) close to each other.

7. The end cover mounting structure of a permanent magnet motor according to claim 3, characterized in that: A round rod (14) is fixedly mounted on the bottom of the driving rod (13), and the round rod (14) is slidably connected to the inner wall of the rotating rod (12).

8. The end cover mounting structure of a permanent magnet motor according to claim 5, characterized in that: A torsion spring (23) is fixedly mounted on the bottom of the rotating frame (19), and the torsion spring (23) is fixedly connected to the top of the workbench (1).

9. The end cover mounting structure of a permanent magnet motor according to claim 5, characterized in that: A positioning block is fixedly mounted on the left side of the positioning frame (24), and a plurality of insertion slots arranged at equal intervals are provided on the positioning plate (22), and the positioning block is in sliding contact with the inner wall of the insertion slot.

10. The end cover mounting structure of a permanent magnet motor according to claim 4, characterized in that: A round block is fixedly mounted on the top of the fixed rod (18), and the round block is slidably connected to the inner wall of the rotating frame (19).

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