Hollow suspension type permanent magnet motor
Through the design of the hollow-mounted permanent magnet motor, the problems of heavy, maintenance difficulties and poor heat dissipation of traditional motors are solved, and the effect of lightweight, easy installation and maintenance is achieved, reducing failure rate and improving working life is achieved.
Patent Information
- Application Number
- CN202411451774.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-01-07
AI Technical Summary
Traditional motors have wheel shafts, motor end cover bearing seats, and stator bases, which lead to heavy weight, inconvenient maintenance, difficult installation, high failure rate, high internal temperature, poor heat dissipation effect, and short working life.
Design a hollow-mounted permanent magnet motor, which is suspended at both ends of the spindle using flange connection, and the inner rotor and the outer rotor are connected by cylindrical rollers. The internal hollow design of the motor is used to achieve lightweight and efficient heat dissipation using water-cooled tanks and adjustment nuts. The wheel shaft and stator base are cancelled, the equipment is directly connected, and the annular water-cooled tank and wear-resistant sealing strips are used to improve the heat dissipation effect.
It realizes the lightweight motor, is easy to install and maintain, reduces the failure rate, improves the working life and heat dissipation effect of the equipment, reduces the internal temperature, improves the installation accuracy and operation stability.
Smart Images
Figure CN119276078A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of motors, and in particular relates to a hollow suspended permanent magnet motor. Background Art
[0002] At present, traditional motors have some technical defects. Due to the wheel shaft, motor end cover bearing seat, and stator base, the motor is heavy and inconvenient to maintain. The motor requires a coupling to connect with other equipment, which is inconvenient to install. The force is unbalanced, the failure rate is high, the internal temperature of the motor is high, the heat dissipation effect is poor, and the motor has a short service life. Summary of the invention
[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a hollow suspended permanent magnet motor with a light motor, a motor rotor directly connected to other equipment, easy installation, easy maintenance, low failure rate, low internal temperature of the motor, good heat dissipation effect, and long motor service life.
[0004] A hollow suspended permanent magnet motor of the present invention comprises an inner rotor, an end cover A, a support cover A, a stator coil, an outer ring, an outer sleeve, a water cooling groove, a support cover B, an end cover B, a flange, an outer rotor, an inner ring, and a cylindrical roller, and is characterized in that: the inner rotor and the inner ring are covered with stator coils, the stator coils are installed in the outer ring and the outer rotor, the outer ring and the inner ring are provided with water cooling grooves, the outer sleeve is covered on the outside of the outer ring to seal the water cooling grooves, the two ends of the outer ring are respectively connected to the support cover A and the support cover B, the support cover A and the support cover B are respectively connected to the end cover A and the end cover B, the flange is installed in the inner ring to seal the water cooling groove, the two ends of the inner ring are respectively installed with the support cover A and the support cover B, and the inner rotor and the outer rotor are connected to the support cover A and the support cover B through cylindrical rollers.
[0005] The inner rotor is hollow inside and can rotate inside the stator coil.
[0006] The outer rotor can rotate outside the support cover A, the support cover B, and the stator coil.
[0007] The water cooling grooves are annular and there are several of them.
[0008] An adjusting nut is installed on the outer sleeve, and the adjusting nut is connected to the support.
[0009] Compared with the prior art, the present invention has obvious beneficial effects; from the above technical scheme, it can be seen that: by sleeved stator coils outside the inner rotor and inner ring, the stator coils are installed in the outer ring and outer rotor, water cooling grooves are arranged on the outer ring and inner ring, the outer sleeve is sleeved outside the outer ring to seal the water cooling grooves, the two ends of the outer ring are respectively connected to the support cover A and the support cover B, the support cover A and the support cover B are respectively connected to the end cover A and the end cover B, the flange is installed in the inner ring to seal the water cooling groove, the two ends of the inner ring are respectively installed with the support cover A and the support cover B, and the inner rotor and the outer rotor are connected to the support cover A and the support cover B through cylindrical rollers. The hollow suspended permanent magnet motor is suspended at both ends of the main shaft by flange connection. There is no wheel shaft, motor end cover bearing seat, no stator base, and the type is ring-shaped (hollow motor). The equipment is light. The hollow suspension permanent magnet motor is directly connected to the equipment without coupling. The hollow suspension permanent magnet motor is symmetrically arranged and suspended outside, with balanced force, reduced failure rate, increased equipment service life, and convenient maintenance. The hollow suspension permanent magnet motor is divided into stator and rotor, both of which are flange connection methods. Using water cooling, the cooling groove on the outer ring or inner ring is then welded and sealed with a jacket or flange at both ends. The end cover of the stator is directly used as the raceway of the cylindrical roller, and the rotor yoke of the inner rotor and the rotor yoke of the outer rotor are also directly used as the raceway of the cylindrical roller. The cylindrical roller is used as a rolling body as a bearing, and the end cover is used as a cylindrical roller retaining ring. The end cover adopts a wear-resistant sealing strip in the radial direction, and uses water to take out the heat, reduce the motor temperature, and increase the equipment life. Adjust the nut. This design helps to adjust the installation position and angle of the motor, thereby improving the installation accuracy and operation stability of the motor. In short, the motor of the present invention is light, the motor rotor is directly connected to other equipment, it is easy to install, easy to maintain, has a low failure rate, the motor is hollow inside and has a low internal temperature, has a good heat dissipation effect, and has a long working life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a left side view of the present invention; Figure 3 yes Figure 2 Sectional view of AA; Figure 4 yes Figure 3 Enlarged view of a; Figure 5 is a schematic diagram of the structure of Embodiment 2 of the present invention; Figure 6 It is a left side view of embodiment 2 of the present invention; Figure 7 yes Figure 6 Cross-sectional view of BB; Figure 8 yes Figure 7 Enlarged view of b.
[0011] Marking in the figure 1. Inner rotor, 2. End cover A, 3. Support cover A, 4. Stator coil, 5. Outer ring, 6. Outer jacket, 7. Water cooling tank, 8. Support cover B, 9. End cover B, 10. Adjusting nut, 11. Support, 12. Flange, 13. Outer rotor, 14. Inner ring, 15. Cylindrical roller. DETAILED DESCRIPTION
[0012] The specific implementation methods, structures, features and functions of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0013] The purpose of the present invention and the solution of its main technical problems are achieved by adopting the following technical solutions: Example 1 A hollow suspended permanent magnet motor of the present invention comprises an inner rotor 1, an end cover A2, a support cover A3, a stator coil 4, an outer ring 5, an outer sleeve 6, a water cooling groove 7, a support cover B8, an end cover B9, an adjusting nut 10, and a support 11, and is characterized in that: the inner rotor 1 is covered with a stator coil 4 on the outside, the stator coil 4 is installed in the outer ring 5, the outer ring 5 is provided with a water cooling groove 7, the outer sleeve 6 is covered on the outside of the outer ring 5 to seal the water cooling groove 7, support covers A3 and support covers B8 are respectively installed at both ends of the outer ring 5, the support covers A3 and support covers B8 are connected to the inner rotor 1 through cylindrical rollers 15, the support covers A3 and support covers B8 are respectively connected to the end covers A2 and the end covers B9, the inner rotor 1 is hollow inside and can rotate in the stator coil 4, the water cooling groove 7 is annular and has a plurality of them, an adjusting nut 10 is installed on the outer sleeve 6, and the adjusting nut 10 is connected to the support 11.
[0014] When in use, install the support 11 on the machine base, directly connect the inner rotor 1 to the equipment, rotate the adjusting nut 10 to adjust the balance, use the water inlet pipe and the water outlet pipe to connect the outer sleeve 6 to the water cooling tank 7, start the hollow suspended permanent magnet motor, the inner rotor 1 and the stator coil 4 generate a magnetic field, the inner rotor 1 rotates, and the inner rotor 1 drives the equipment to rotate and output power. Cold water passes through the water cooling tank 7 to cool the outer ring 5 of the motor.
[0015] Example 2 A hollow suspended permanent magnet motor of the present invention comprises an end cover A2, a support cover A3, a stator coil 4, a water cooling groove 7, a support cover B8, an end cover B9, a flange 12, an outer rotor 13 and an inner ring 14, characterized in that: the stator coil 4 is sheathed on the outer side of the inner ring 14, the stator coil 4 is installed in the outer rotor 13, the inner ring 14 is provided with a water cooling groove 7, the support cover A3 and the support cover B8 are respectively connected to the end cover A2 and the end cover B9, the flange 12 is installed in the inner ring 14 to seal the water cooling groove 7, the support cover A3 and the support cover B8 are respectively installed at both ends of the inner ring 14, the outer rotor 13 is connected to the support cover A3 and the support cover B8 through a cylindrical roller 15, the outer rotor 13 can rotate outside the support cover A3, the support cover B8 and the stator coil 4, and the water cooling groove 7 is annular and there are several of them.
[0016] When in use, connect the flange 12 to the machine base, connect the outer rotor 13 to the equipment directly through the flange, use the water inlet pipe and the water outlet pipe to connect the flange 12 to the water cooling tank 7, start the hollow suspended permanent magnet motor, the outer rotor 13 and the stator coil 4 generate a magnetic field, the outer rotor 13 rotates, and the outer rotor 13 drives the equipment to rotate and output power. Cold water passes through the water cooling tank 7 to cool the inner ring 14 of the motor.
[0017] The above description is only a preferred embodiment of the present invention and does not constitute any formal limitation to the present invention. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the scope of the technical solution of the present invention.
Claims
1. A hollow suspended permanent magnet motor, comprising an inner rotor (1), an end cover A (2), a support cover A (3), a stator coil (4), an outer ring (5), an outer sleeve (6), a water cooling tank (7), a support cover B (8), an end cover B (9), a flange (12), an outer rotor (13), an inner ring (14), and a cylindrical roller (15), characterized in that; The inner rotor (1) and the inner ring (14) are covered with a stator coil (4), and the stator coil (4) is installed in the outer ring (5) and the outer rotor (13). The outer ring (5) and the inner ring (14) are provided with a water cooling groove (7). The outer sleeve (6) is covered on the outer ring (5) to seal the water cooling groove (7). The two ends of the outer ring (5) are respectively connected to a support cover A (3) and a support cover B (8). The support cover A (3) and the support cover B (8) are respectively connected to an end cover A (2) and an end cover B (9). The flange (12) is installed in the inner ring (14) to seal the water cooling groove (7). The two ends of the inner ring (14) are respectively installed with a support cover A (3) and a support cover B (8). The inner rotor (1) and the outer rotor (13) are connected to the support cover A (3) and the support cover B (8) through a cylindrical roller (15).
2. The hollow suspended permanent magnet motor according to claim 1, characterized in that; The inner rotor (1) is hollow inside and can rotate inside the stator coil (4).
3. The hollow suspended permanent magnet motor according to claim 1, characterized in that: The outer rotor (13) can rotate outside the support cover A (3), the support cover B (8), and the stator coil (4).
4. The hollow suspended permanent magnet motor according to claim 1, characterized in that: The water cooling grooves (7) are annular and there are several of them.
5. The hollow suspended permanent magnet motor according to claim 1, characterized in that: An adjusting nut (10) is mounted on the outer sleeve (6), and the adjusting nut (10) is connected to the support (11).