Double-stator through hole bearing permanent magnet motor

Abstract

The invention relates to the technical field of permanent magnet motors, and discloses a double-stator through hole bearing permanent magnet motor which comprises a double-stator permanent magnet motor body, a mounting shaft is arranged on one side of the double-stator permanent magnet motor body, and a bearing outer ring is arranged on the outer wall of the mounting shaft. The lubricating mechanism comprises a bearing mounting sleeve arranged on the outer wall of the mounting shaft in a sleeving mode and a plurality of micron-sized oil outlet holes formed in the outer wall of the bearing mounting sleeve, a plurality of communicating cylinders are arranged in the bearing mounting sleeve, and a plurality of sliding grooves are formed in the outer wall of the mounting shaft. The lubricating medium can be continuously supplied to the inner ring of the bearing, the internal friction loss of the bearing is reduced, the running noise is reduced, the service life of the bearing is prolonged, long-acting automatic lubrication is realized by matching with conduction of the communicating cylinder and the extension sleeve, frequent disassembly and supplement are not needed, and the maintenance cost is reduced, so that the lubricating medium is accurately conveyed to a required part; and the method is suitable for long-time high-load working scenes.

Description

Technical Field

[0001] This invention relates to the field of permanent magnet motor technology, specifically to a permanent magnet motor with dual stator through-hole bearings. Background Technology

[0002] Permanent magnet motors, especially permanent magnet synchronous motors, have become the core power source for electric vehicles, industrial drives and other fields due to their high power density, high efficiency and excellent torque response characteristics. With the continuous improvement of motor performance requirements, dual stator through-hole bearing permanent magnet motors have been widely used due to their advantages such as compact structure and high driving efficiency.

[0003] However, in existing dual-stator through-hole bearing permanent magnet motors, the lubricating medium cannot be precisely replenished according to the motor's operating conditions. Moreover, the oil storage and supply components are mostly integrated, making disassembly and maintenance inconvenient. They are also prone to impurities entering or lubricating medium sedimentation, affecting the lubrication effect. At the same time, static electricity generated during bearing operation easily attracts dust and impurities, contaminating the lubrication surface, accelerating the wear of the rotating body and inner and outer rings, shortening the bearing's service life, increasing equipment maintenance costs and downtime frequency. In terms of heat dissipation, the existing single air cooling cannot meet the demand for efficient heat dissipation, resulting in low heat dissipation efficiency. It cannot adapt to the heat dissipation requirements under different loads, leading to prominent local overheating problems. Furthermore, the sealing performance of the cooling components is poor, which easily leads to leakage risks. The liquid storage structure is cumbersome to disassemble and assemble, which is not conducive to the replenishment and replacement of the cooling medium, seriously affecting the motor's operational stability and durability. Summary of the Invention

[0004] The purpose of this invention is to provide a permanent magnet motor with dual stator through-hole bearings, which solves the problems in the prior art where the lubricating medium cannot be accurately replenished according to the motor's operating conditions, is easily affected by impurities or lubricating medium sedimentation, making it difficult to meet the demand for efficient heat dissipation, resulting in low heat dissipation efficiency, inability to adapt to the heat dissipation requirements under different loads, and serious local overheating that affects the stability and durability of the motor.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A dual-stator through-hole bearing permanent magnet motor, comprising: The dual-stator permanent magnet motor body has a mounting base fixedly installed at its bottom, a mounting shaft is provided on one side of the dual-stator permanent magnet motor body, a heat dissipation component is provided on the other side of the dual-stator permanent magnet motor body, and a bearing outer ring is provided on the outer wall of the mounting shaft. A lubrication mechanism is located on the outer wall of the mounting shaft and is used to lubricate the inner wall of the bearing outer ring. The lubrication mechanism includes a bearing mounting sleeve fitted on the outer wall of the mounting shaft and multiple micron-sized oil outlet holes opened on the outer wall of the bearing mounting sleeve. Multiple connecting cylinders are provided inside the bearing mounting sleeve. Multiple sliding grooves are opened on the outer wall of the mounting shaft, and each sliding groove corresponds to one of the multiple connecting cylinders. An electrostatic elimination ring is fixedly installed at one end of the bearing mounting sleeve. An auxiliary component for auxiliary lubrication of the bearing outer ring is provided inside the bearing mounting sleeve.

[0006] Preferably, the auxiliary component includes a storage cavity opened inside the bearing mounting sleeve and an extension sleeve slidably installed inside the plurality of communicating cylinders. The inner wall of the bearing mounting sleeve has a plurality of through holes, the plurality of communicating cylinders are all located inside the through holes, the plurality of extension sleeves all pass through the through holes, and the mounting shaft is provided with a storage component for storing lubricating medium inside.

[0007] Preferably, the storage component includes a storage chamber formed inside the mounting shaft and a plurality of through slots formed inside the mounting shaft, wherein the plurality of through slots are all connected to the plurality of sliding slots.

[0008] Preferably, the plurality of through holes correspond one-to-one with the plurality of through slots, and the bottoms of the plurality of extension sleeves all penetrate the plurality of through holes and the plurality of through slots and extend into the interior of the receiving chamber. The outer wall of the dual-stator permanent magnet motor body is provided with an auxiliary heat dissipation mechanism for heat dissipation of the outer wall of the dual-stator permanent magnet motor body.

[0009] Preferably, the heat dissipation assembly includes a heat dissipation chamber disposed on the other side of the dual-stator permanent magnet motor body and a rotating connecting shaft rotatably mounted inside the heat dissipation chamber. The outer wall of the rotating connecting shaft is provided with multiple heat dissipation blades, and a stabilizing component is disposed between the multiple heat dissipation blades and the rotating connecting shaft.

[0010] Preferably, the stabilizing component is used for stabilizing the multiple heat dissipation blades and the rotating connecting shaft. The stabilizing component includes multiple sets of fixing plates fixedly installed on the outer wall of the rotating connecting shaft and fixing bolts screwed to one end of the multiple sets of fixing plates. The heat dissipation blades are located between the multiple sets of fixing plates, and the multiple heat dissipation blades are fixed to the multiple sets of fixing plates by the multiple fixing bolts.

[0011] Preferably, the auxiliary heat dissipation mechanism includes multiple heat dissipation mounting plates that are detachably disposed on the outer wall of the dual-stator permanent magnet motor body, and connecting sleeves that are fixedly installed on one side of the multiple heat dissipation mounting plates. One side of the multiple connecting sleeves is provided with a storage component for collecting coolant.

[0012] Preferably, the storage assembly includes a detachable installation chamber mounted on the outer wall of the heat dissipation chamber and an installation cavity formed in the inner wall of the installation chamber. The installation cavity is provided with a detachable storage ring, and one end of each of the plurality of connecting sleeves passes through the installation chamber and the annular cooling bag and extends into the interior of the annular cooling bag.

[0013] Preferably, the installation chamber has a placement cavity inside, and multiple rotating blades are rotatably installed inside the placement cavity. Multiple auxiliary baffles are rotatably installed inside the installation chamber. Fixed connecting rods are fixedly installed between the multiple auxiliary baffles and the multiple rotating blades, and the multiple fixed connecting rods all penetrate the inner wall of the installation chamber.

[0014] Preferably, a plurality of rotating bodies are rotatably mounted inside the outer ring of the bearing, and an inner ring of the bearing is disposed inside the outer ring of the bearing. The plurality of rotating bodies are located between the outer ring of the bearing and the inner ring of the bearing. The bearing mounting sleeve is located inside the inner ring of the bearing, and a mounting side plate is provided on one side of the dual-stator permanent magnet motor body.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are: This invention, through the design of a lubrication mechanism, can continuously replenish the lubricating medium to the inner ring of the bearing, effectively reducing internal friction loss, lowering operating noise, and extending bearing service life. The storage component, consisting of a receiving chamber and a through slot inside the mounting shaft, can store sufficient lubricating medium. Combined with the conduction of the connecting cylinder and the extension sleeve, it achieves long-term automatic lubrication without the need for frequent disassembly and replenishment, reducing maintenance costs. The electrostatic elimination ring at one end of the bearing mounting sleeve can eliminate static electricity generated during operation, preventing static electricity from attracting impurities and contaminating the lubrication surface, ensuring the lubrication effect. This ensures that the lubricating medium is accurately delivered to the required parts, improving the targeting and uniformity of lubrication. At the same time, the auxiliary components further enhance the lubrication effect, ensuring the stability of the bearing when the motor is running at high speed, thereby improving the overall operational reliability and durability of the dual-stator through-hole bearing permanent magnet motor, making it suitable for long-term high-load working scenarios.

[0016] This invention, through the installation of an auxiliary heat dissipation mechanism, can quickly transfer heat from the outer wall of the dual-stator permanent magnet motor to the coolant. The coolant's heat exchange function efficiently removes heat, significantly improving the motor's heat dissipation efficiency and preventing overheating due to prolonged high-load operation. The rotating blades inside the housing can appropriately cool the cooling medium, further enhancing the heat dissipation effect. It adapts to different heat dissipation needs and facilitates convenient maintenance and replacement, ensuring stable coolant delivery and good sealing performance to prevent leakage. Simultaneously, the detachable structure of the storage component facilitates coolant replenishment and replacement, reducing maintenance difficulty and effectively ensuring the motor's operating temperature remains stable within a reasonable range, thus improving the motor's reliability and service life. Attached Figure Description

[0017] Figure 1 This is one of the overall structural schematic diagrams of the present invention; Figure 2 This is the second schematic diagram of the overall structure of the present invention; Figure 3 This is a schematic diagram of the structure of the bearing outer ring of the present invention; Figure 4 This is a schematic diagram of the structure of the bearing inner ring of the present invention; Figure 5 This is a schematic diagram of the heat dissipation component of the present invention; Figure 6 This is a schematic diagram of the lubrication mechanism of the present invention during disassembly; Figure 7 This is a schematic diagram of the bearing mounting sleeve of the present invention; Figure 8 This is a schematic diagram of the structure of the storage cavity of the present invention; Figure 9 This is a schematic diagram of the auxiliary heat dissipation mechanism of the present invention; Figure 10 This is a schematic diagram of the auxiliary baffle of the present invention; Figure 11 This is a schematic diagram of the structure of the heat dissipation mounting plate of the present invention.

[0018] The components include: 1. Dual-stator permanent magnet motor body; 2. Mounting base; 3. Heat dissipation chamber; 4. Mounting shaft; 5. Mounting chamber; 6. Bearing outer ring; 7. Mounting side plate; 8. Sliding groove; 9. Bearing mounting sleeve; 10. Bearing inner ring; 11. Static eliminator ring; 12. Storage cavity; 13. Connecting cylinder; 14. Rotating connecting shaft; 15. Heat dissipation blades; 16. Fixing plate; 17. Fixing bolt; 18. Auxiliary baffle; 19. Fixing connecting rod; 20. Placement cavity; 21. Rotating blades; 22. Heat dissipation mounting plate; 23. Connecting sleeve; 24. Rotating body; 25. Micron-level oil outlet; 26. Through slot; 27. Storage chamber; 28. Annular cooling bag; 29. ​​Extension sleeve. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please refer to Figure 1 and Figure 2A dual-stator through-hole bearing permanent magnet motor includes: a dual-stator permanent magnet motor body 1, a mounting base 2 fixedly installed at the bottom of the dual-stator permanent magnet motor body 1, a mounting shaft 4 provided on one side of the dual-stator permanent magnet motor body 1, a heat dissipation component provided on the other side of the dual-stator permanent magnet motor body 1, and a bearing outer ring 6 provided on the outer wall of the mounting shaft 4.

[0021] Please refer to Figure 6 - Figure 8 The lubrication mechanism is located on the outer wall of the mounting shaft 4 and is used to lubricate the inner wall of the outer ring 6 of the bearing. The lubrication mechanism includes a bearing mounting sleeve 9 sleeved on the outer wall of the mounting shaft 4 and multiple micron-sized oil outlet holes 25 opened on the outer wall of the bearing mounting sleeve 9. Multiple connecting cylinders 13 are provided inside the bearing mounting sleeve 9. Multiple sliding grooves 8 are opened on the outer wall of the mounting shaft 4, and each sliding groove 8 corresponds to one of the multiple connecting cylinders 13. An electrostatic elimination ring 11 is fixedly installed at one end of the bearing mounting sleeve 9. An auxiliary component for auxiliary lubrication of the outer ring 6 of the bearing is provided inside the bearing mounting sleeve 9. The auxiliary component includes a storage cavity 12 opened inside the bearing mounting sleeve 9 and an extension sleeve 29 slidably installed inside the multiple connecting cylinders 13. Multiple through holes are opened on the inner wall of the bearing mounting sleeve 9. The multiple connecting cylinders 13 are all located inside the through holes. The multiple extension sleeves 29 all penetrate the through holes. A storage component for storing lubricating medium is provided inside the mounting shaft 4. In use, first fix the dual-stator permanent magnet motor body 1 in the designated installation position using the bottom mounting base 2, ensuring the mounting shaft 4 is horizontal. Then, assemble the bearing outer ring 6 onto the outer wall of the mounting shaft 4, and use the mounting side plate 7 to limit and fix the bearing structure. Subsequently, ensure that the bearing mounting sleeve 9 of the lubrication mechanism is fitted onto the outer wall of the mounting shaft 4 and is inside the bearing inner ring 10, so that the connecting cylinder 13 on the bearing mounting sleeve 9 corresponds one-to-one with the sliding groove 8 on the outer wall of the mounting shaft 4. Inject the lubricating medium into the receiving chamber 27 inside the mounting shaft 4. The lubricating medium will enter the connecting cylinder 13 through the through slot 26 and the sliding groove 8. The lubricant is then transported to the storage cavity 12 of the bearing mounting sleeve 9 through the extension sleeve 29. When the motor is running, the rotational force of the mounting shaft 4 drives the lubricant to seep out from the micron-level oil outlet 25 on the outer wall of the bearing mounting sleeve 9, continuously lubricating the rotating body 24 between the outer ring 6 and the inner ring 10 of the bearing. At the same time, the static elimination ring 11 at one end of the bearing mounting sleeve 9 works synchronously to eliminate the static electricity generated during operation and prevent impurities from adsorbing and contaminating the lubrication surface. The heat dissipation component on the other side of the dual-stator permanent magnet motor body 1 works in coordination, and the heat dissipation blades 15 in the heat dissipation chamber 3 rotate to accelerate the heat dissipation and ensure the overall stable operation of the motor.

[0022] Furthermore, such as Figure 6 - Figure 8As shown, the storage assembly includes a storage chamber 27 formed inside the mounting shaft 4 and multiple through slots 26 formed inside the mounting shaft 4. Each through slot 26 communicates with multiple sliding grooves 8. Multiple through holes correspond one-to-one with each through slot 26. The bottoms of multiple extension sleeves 29 penetrate through the multiple through holes and through slots 26 and extend into the storage chamber 27. The outer wall of the dual-stator permanent magnet motor body 1 is provided with an auxiliary heat dissipation mechanism for heat dissipation from the outer wall of the dual-stator permanent magnet motor body 1. Therefore, during use, ensure that the storage chamber 27 of the storage assembly is pre-filled with sufficient lubricating medium, and then utilize the mounting shaft 4... Multiple through slots 26 inside the bearing mounting sleeve 9 are connected to multiple sliding slots 8 on the outer wall, so that the connecting cylinder 13 in the through hole in the inner wall of the bearing mounting sleeve 9 corresponds one-to-one with the through slot 26. The bottom of the extension sleeve 29 passes through the through hole and through slot 26 in sequence and extends into the receiving chamber 27, ensuring that the lubricating medium can flow smoothly. After the motor starts, the centrifugal force generated by the rotation of the mounting shaft 4 drives the lubricating medium in the receiving chamber 27 through the through slot 26 and sliding slot 8 into the connecting cylinder 13, and then through the extension sleeve 29 to the storage cavity 12 of the bearing mounting sleeve 9. Finally, it seeps out from the micron-level oil outlet 25 to lubricate the rotating body 24.

[0023] Furthermore, such as Figure 5As shown, the heat dissipation assembly includes a heat dissipation chamber 3 disposed on the other side of the dual-stator permanent magnet motor body 1 and a rotating connecting shaft 14 rotatably mounted inside the heat dissipation chamber 3. Multiple heat dissipation blades 15 are disposed on the outer wall of the rotating connecting shaft 14. A stabilizing component is disposed between the multiple heat dissipation blades 15 and the rotating connecting shaft 14. The stabilizing component is used to stabilize the relationship between the multiple heat dissipation blades 15 and the rotating connecting shaft 14. The stabilizing component includes multiple sets of fixing plates 16 fixedly mounted on the outer wall of the rotating connecting shaft 14 and fixing bolts 17 screwed to one end of the multiple sets of fixing plates 16. The heat dissipation blades 15 are located between the multiple sets of fixing plates 16, and the multiple heat dissipation blades 15 are fixed to the multiple sets of fixing plates 16 by the multiple fixing bolts 17. Therefore, in use, the heat dissipation chamber 3 of the heat dissipation assembly is first fixed to the other side of the dual-stator permanent magnet motor body 1, and the rotating connecting shaft 14 is then... The heat dissipation blades 15 are rotatably installed inside the heat dissipation chamber 3. Then, multiple heat dissipation blades 15 are placed between multiple sets of fixing plates 16 on the outer wall of the rotating connecting shaft 14. After aligning the mounting holes of the heat dissipation blades 15 and the fixing plates 16, the fixing bolts 17 are screwed onto one end of the fixing plates 16 and tightened. The cooperation between the fixing plates 16 and the fixing bolts 17 achieves a stable connection between the heat dissipation blades 15 and the rotating connecting shaft 14, preventing the heat dissipation blades 15 from loosening or shifting during motor operation. The rotation of the heat dissipation blades 15 accelerates the air circulation inside and outside the heat dissipation chamber 3, quickly removing the heat generated by the dual-stator permanent magnet motor body 1 during operation. The stabilizing component, through the fastening action of the fixing plates 16 and the fixing bolts 17, ensures the structural stability of the heat dissipation blades 15 during high-speed rotation, ensuring that the heat dissipation component continuously and efficiently performs its heat dissipation function, and preventing the motor from affecting its operating performance due to overheating.

[0024] Furthermore, such as Figure 9 - Figure 11As shown, the auxiliary heat dissipation mechanism includes multiple detachable heat dissipation mounting plates 22 disposed on the outer wall of the dual-stator permanent magnet motor body 1, and connecting sleeves 23 fixedly mounted on one side of the multiple heat dissipation mounting plates 22. A collection assembly for collecting coolant is provided on one side of the multiple connecting sleeves 23. The collection assembly includes a detachable mounting chamber 5 mounted on the outer wall of the heat dissipation chamber 3, and a mounting cavity formed in the inner wall of the mounting chamber 5. A detachable storage ring is provided inside the mounting cavity. One end of each of the multiple connecting sleeves 23 passes through the mounting chamber 5 and the ring. The cooling bag 28 extends into the interior of the annular cooling bag 28. The installation chamber 5 has a placement cavity 20 inside, with multiple rotating blades 21 rotatably mounted inside the placement cavity 20. Multiple auxiliary baffles 18 are rotatably mounted inside the installation chamber 5. Fixed connecting rods 19 are fixedly installed between the multiple auxiliary baffles 18 and the multiple rotating blades 21, and all fixed connecting rods 19 penetrate the inner wall of the installation chamber 5. Therefore, in use, the multiple heat dissipation mounting plates 22 of the auxiliary heat dissipation mechanism are detachably assembled onto the dual-stator permanent magnet circuit. On the outer wall of the main body 1, ensure that the connecting sleeve 23 on one side of the heat dissipation mounting plate 22 is aligned with the corresponding interface of the mounting chamber 5. Then, the mounting chamber 5 is detachably installed on the outer wall of the heat dissipation chamber 3, so that one end of multiple connecting sleeves 23 passes through the mounting chamber 5 and the annular cooling bag 28 in sequence and extends into its interior, injecting sufficient cooling medium into the annular cooling bag 28. When the motor is running, the heat generated by the dual-stator permanent magnet motor body 1 is conducted to the connecting sleeve 23 through the heat dissipation mounting plate 22, and then transferred to the cooling medium in the annular cooling bag 28. Multiple rotating blades 21 in the placement cavity 20 inside the mounting chamber 5 rotate synchronously to cool the cooling medium around the annular cooling bag 28, improving heat exchange efficiency. At the same time, multiple auxiliary baffles 18 are linked with the rotating blades 21 through the fixed connecting rod 19 to ensure uniform cooling. If it is necessary to replenish or replace the cooling medium, the mounting chamber 5 can be disassembled to remove the storage ring and the annular cooling bag 28. The number of heat dissipation mounting plates 22 can also be flexibly increased or decreased according to the heat dissipation requirements to ensure that the motor can maintain a stable temperature under different loads.

[0025] Please also refer to... Figure 3 and Figure 4Multiple rotating bodies 24 are rotatably mounted inside the outer ring 6 of the bearing. An inner ring 10 is located inside the outer ring 6. The multiple rotating bodies 24 are situated between the outer ring 6 and the inner ring 10. A bearing mounting sleeve 9 is located inside the inner ring 10. A mounting side plate 7 is provided on one side of the dual-stator permanent magnet motor body 1. Therefore, in use, the inner ring 10 is first fitted onto the outer wall of the bearing mounting sleeve 9. Then, the multiple rotating bodies 24 are evenly arranged on the outer side of the inner ring 10. Finally, the outer ring 6 is assembled onto the outer side of the rotating bodies 24, ensuring that the multiple rotating bodies 24 are precisely positioned... Between the outer ring 6 and the inner ring 10 of the bearing, a complete bearing rotation structure is formed. Then, the assembled bearing assembly is installed on the outer wall of the mounting shaft 4 on one side of the dual-stator permanent magnet motor body 1. The bearing assembly is axially limited by the mounting side plate 7. When the motor is running, the mounting shaft 4 drives the inner ring 10 of the bearing to rotate synchronously. The rotating body 24 between the inner ring 10 and the outer ring 6 of the bearing rolls accordingly, reducing the frictional resistance when the mounting shaft 4 rotates, further reducing wear, ensuring the smooth rotation of the mounting shaft 4, and thus ensuring the overall stability and reliability of the dual-stator permanent magnet motor body 1.

[0026] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A permanent magnet motor with dual stator through-hole bearings, characterized in that, include: The dual-stator permanent magnet motor body (1) has a mounting base (2) fixedly installed at the bottom of the dual-stator permanent magnet motor body (1), a mounting shaft (4) is provided on one side of the dual-stator permanent magnet motor body (1), a heat dissipation component is provided on the other side of the dual-stator permanent magnet motor body (1), and a bearing outer ring (6) is provided on the outer wall of the mounting shaft (4). The lubrication mechanism is located on the outer wall of the mounting shaft (4) and is used to lubricate the inner wall of the bearing outer ring (6). The lubrication mechanism includes a bearing mounting sleeve (9) sleeved on the outer wall of the mounting shaft (4) and multiple micron-sized oil outlet holes (25) opened on the outer wall of the bearing mounting sleeve (9). Multiple connecting cylinders (13) are provided inside the bearing mounting sleeve (9). Multiple sliding grooves (8) are opened on the outer wall of the mounting shaft (4). Each sliding groove (8) corresponds to one of the multiple connecting cylinders (13). An electrostatic elimination ring (11) is fixedly installed at one end of the bearing mounting sleeve (9). An auxiliary component for auxiliary lubrication of the bearing outer ring (6) is provided inside the bearing mounting sleeve (9).

2. The permanent magnet motor with dual stator through-hole bearings according to claim 1, characterized in that: The auxiliary components include a storage cavity (12) opened inside the bearing mounting sleeve (9) and an extension sleeve (29) slidably installed inside the plurality of connecting cylinders (13). The inner wall of the bearing mounting sleeve (9) is provided with a plurality of through holes. The plurality of connecting cylinders (13) are all located inside the through holes. The plurality of extension sleeves (29) all penetrate the through holes. The mounting shaft (4) is provided with a storage component for storing lubricating medium inside.

3. A permanent magnet motor with dual stator through-hole bearings according to claim 2, characterized in that: The storage component includes a storage chamber (27) opened inside the mounting shaft (4) and a plurality of through slots (26) opened inside the mounting shaft (4), and the plurality of through slots (26) are all connected to the plurality of sliding slots (8).

4. A permanent magnet motor with dual stator through-hole bearings according to claim 3, characterized in that: The multiple through holes correspond one-to-one with the multiple through slots (26). The bottom of the multiple extension sleeves (29) passes through the multiple through holes and the multiple through slots (26) and extends into the interior of the receiving chamber (27). The outer wall of the dual-stator permanent magnet motor body (1) is provided with an auxiliary heat dissipation mechanism for heat dissipation of the outer wall of the dual-stator permanent magnet motor body (1).

5. A permanent magnet motor with dual stator through-hole bearings according to claim 1, characterized in that: The heat dissipation assembly includes a heat dissipation chamber (3) disposed on the other side of the dual-stator permanent magnet motor body (1) and a rotating connecting shaft (14) rotatably installed inside the heat dissipation chamber (3). The outer wall of the rotating connecting shaft (14) is provided with multiple heat dissipation blades (15), and a stabilizing component is provided between the multiple heat dissipation blades (15) and the rotating connecting shaft (14).

6. A permanent magnet motor with dual stator through-hole bearings according to claim 5, characterized in that: The stabilizing component is used to stabilize the multiple heat dissipation blades (15) and the rotating connecting shaft (14). The stabilizing component includes multiple sets of fixing plates (16) fixedly installed on the outer wall of the rotating connecting shaft (14) and fixing bolts (17) screwed to one end of the multiple sets of fixing plates (16). The heat dissipation blades (15) are located between the multiple sets of fixing plates (16), and the multiple heat dissipation blades (15) are fixed to the multiple sets of fixing plates (16) by the multiple fixing bolts (17).

7. A permanent magnet motor with dual stator through-hole bearings according to claim 4, characterized in that: The auxiliary heat dissipation mechanism includes multiple heat dissipation mounting plates (22) that are detachable on the outer wall of the dual-stator permanent magnet motor body (1) and a connecting sleeve (23) that is fixedly installed on one side of the multiple heat dissipation mounting plates (22). A storage component for storing coolant is provided on one side of the multiple connecting sleeves (23).

8. A permanent magnet motor with dual stator through-hole bearings according to claim 7, characterized in that: The storage assembly includes a detachable installation chamber (5) installed on the outer wall of the heat dissipation chamber (3) and an installation cavity opened on the inner wall of the installation chamber (5). The installation cavity is provided with a detachable storage ring. One end of each of the multiple connecting sleeves (23) passes through the installation chamber (5) and the annular cooling bag (28) and extends into the interior of the annular cooling bag (28).

9. A permanent magnet motor with dual stator through-hole bearings according to claim 8, characterized in that: The installation chamber (5) has a placement cavity (20) inside. Multiple rotating blades (21) are rotatably installed inside the placement cavity (20). Multiple auxiliary baffles (18) are rotatably installed inside the installation chamber (5). Fixed connecting rods (19) are fixedly installed between the multiple auxiliary baffles (18) and the multiple rotating blades (21). The multiple fixed connecting rods (19) all penetrate the inner wall of the installation chamber (5).

10. A permanent magnet motor with dual stator through-hole bearings according to claim 1, characterized in that: Multiple rotating bodies (24) are rotatably mounted inside the outer ring (6) of the bearing. An inner ring (10) of the bearing is provided inside the outer ring (6). The multiple rotating bodies (24) are located between the outer ring (6) and the inner ring (10). The bearing mounting sleeve (9) is located inside the inner ring (10). A mounting side plate (7) is provided on one side of the dual-stator permanent magnet motor body (1).

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