CN210201637U - Coreless wind power generation motor - Google Patents
Coreless wind power generation motor Download PDFInfo
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- CN210201637U CN210201637U CN201921430662.7U CN201921430662U CN210201637U CN 210201637 U CN210201637 U CN 210201637U CN 201921430662 U CN201921430662 U CN 201921430662U CN 210201637 U CN210201637 U CN 210201637U
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Abstract
The utility model discloses a coreless wind power generation motor, wherein, a first bearing and a second bearing are respectively arranged at two ends of a main shaft, a first end cover and a second end cover are respectively arranged on the first bearing and the second bearing, the first bearing and the second bearing are fixedly connected, a stator is fixed on the main shaft, third bearings are respectively arranged at two sides of the stator on the main shaft, a rotor assembly is arranged on a pair of third bearings and comprises a main plate, an auxiliary plate and a connecting plate, the main plate and the auxiliary plate are respectively arranged on the pair of third bearings, a magnetic steel is pasted at one side of the main plate close to the stator, a sun wheel is arranged at one side far away from the stator, an inner gear ring is fixed on the second end cover, a planet support is fixed on the main shaft, a fourth bearing is arranged on the planet support, a planet wheel is arranged on the fourth bearing and is meshed with the sun wheel and the inner gear ring, the utility, the efficiency of the motor is increased; the motor adopts a coreless structure, the weight of the motor is reduced, the stator has no iron loss, and the power of the motor is improved.
Description
Technical Field
The utility model relates to a wind power generation equipment technical field especially relates to a no iron core wind power generation motor.
Background
Wind is one of pollution-free energy sources, is inexhaustible, and is very suitable for generating electricity by utilizing wind power according to local conditions in coastal islands, grassland pastoral areas, mountain areas and plateau areas with water shortage, fuel shortage and inconvenient traffic. The principle of wind power generation is that wind power drives windmill blades to rotate, and then the rotating speed is increased through a speed increaser, so that a generator is promoted to generate electricity.
The existing wind driven generator is usually added with a gear box which can increase the rotating speed to the rated rotating speed of the generator, and a speed regulating mechanism is added to keep the rotating speed stable, so that the cost of the motor is increased; in addition, the conventional motor is provided with an iron core, so that iron loss is generated, the weight of the motor is increased, and the power generation efficiency is reduced; because there is vibration between the motor internal part, not only can increase the noise, still can influence life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coreless wind power generation motor, which is additionally provided with a planetary reduction system, reversely improves the rotating speed of a rotor assembly, saves the motor cost and increases the motor efficiency; the motor adopts a coreless structure, the weight of the motor is reduced, the stator has no iron loss, and the power of the motor is improved.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a coreless wind power generation motor comprises a main shaft, a first end cover, a second end cover, a stator, a rotor assembly, a sun wheel, a planet wheel and an inner gear ring, wherein a first bearing and a second bearing are respectively arranged at two ends of the main shaft, the first end cover and the second end cover are respectively arranged on the first bearing and the second bearing and are fixedly connected with each other, the stator is fixed on the main shaft, third bearings are respectively arranged at two sides of the stator on the main shaft, the rotor assembly is arranged on a pair of third bearings, the rotor assembly comprises a main plate, an auxiliary plate and a connecting plate, the main plate and the auxiliary plate are respectively arranged on the pair of third bearings and are fixed through the connecting plate, magnetic steel is attached to one side of the main plate close to the stator, the sun wheel is arranged at one side of the main plate far away from the stator, the inner gear ring is fixed on the second end cover, and a planet support is fixed at one side, and a fourth bearing is arranged on the planet support, the planet wheel is arranged on the fourth bearing, and the planet wheel is meshed with the sun wheel and the inner gear ring.
As a further optimization, the inner gear ring is fixed at one end of the second end cover, which is abutted against the first end cover, and is abutted against the first end cover.
As a further optimization, the first end cover and the second end cover are fixedly connected through a locking bolt.
As a further optimization, the main board is provided with a mounting groove, and the plurality of magnetic steels are attached in the mounting groove.
As a further optimization, the height of the magnetic steel is greater than that of the mounting groove.
As a further optimization, the radial horizontal section of the mounting groove is annular, and the radial horizontal section of the magnetic steel is fan-shaped.
As a further optimization, the number of the magnetic steels is eight to twenty-four.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. a planetary reduction system is added, the rotating speed of a rotor assembly is reversely improved, the cost of the motor is saved, and the efficiency of the motor is improved;
2. the motor adopts a coreless structure, so that the weight of the motor is reduced, the stator has no iron loss, and the power of the motor is improved;
3. the rotor assembly rotates more stably, and vibration and noise are reduced.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a structural diagram of the main board of the present invention.
Fig. 3 is the structure diagram of the utility model discloses the magnet steel is installed on the mainboard.
In the figure, 1, a main shaft; 2. a first bearing; 3. a second bearing; 4. a first end cap; 5. a second end cap; 6. a stator; 7. a third bearing; 8. assembling a rotor; 9. a sun gear; 10. a planet carrier; 11. a fourth bearing; 12. a planet wheel; 13. an inner gear ring; 81. magnetic steel; 82. a main board; 83. an auxiliary plate; 84. a connecting plate; 820. a bearing seat; 821. and (4) mounting the groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, a coreless wind turbine generator includes a main shaft 1, a first end cap 4, a second end cap 5, a stator 6, a rotor assembly 8, a sun gear 9, a planet gear 12 and an inner gear ring 13, wherein two ends of the main shaft 1 are respectively provided with a first bearing 2 and a second bearing 3, the first end cap 4 and the second end cap 5 are respectively arranged on the first bearing 2 and the second bearing 3 and are fixedly connected, the stator 6 is fixed on the main shaft 1, third bearings 7 are respectively arranged on two sides of the stator 6 on the main shaft 1, the rotor assembly 8 is arranged on a pair of third bearings 7, the rotor assembly 8 includes a main plate 82, an auxiliary plate 83 and a connecting plate 84, the main plate 82 and the auxiliary plate 83 are respectively arranged on the pair of third bearings 7 and are fixed by the connecting plate 84, a magnetic steel 81 is attached to one side of the main plate 82 close to the stator 6, and a sun gear 9 is arranged on one side thereof far from the stator, an inner gear ring 13 is fixed on the second end cover 5, a planet support 10 is fixed on one side of the main shaft 1 close to the second bearing 3, a fourth bearing 11 is arranged on the planet support 10, a planet wheel 12 is arranged on the fourth bearing 11, and the planet wheel 12 is meshed with the sun wheel 9 and the inner gear ring 13.
The first end cover and the second end cover are arranged on the main shaft through the first bearing and the second bearing, the stator is fixed on the main shaft, the rotor assembly is arranged on the outer side of the stator on the main shaft through the third bearing, the planet wheel is additionally arranged on the main shaft and is respectively meshed with the sun wheel on the main shaft and the inner gear ring on the second end cover, the wind power generation fan blade is arranged on the first end cover, as long as natural wind exists in the outer ring, the fan blade starts to rotate to drive the first end cover and the second end cover to rotate, so that the inner gear ring is driven to rotate, the sun wheel is driven to rotate through planet acceleration, so that the rotor assembly is driven to rotate, and the stator generates power under the action of a rotating magnetic field; the motor adopts a coreless structure, so that the weight of the motor is reduced, the stator has no iron loss, and the power of the motor is improved; the rotor assembly is provided with a main plate, an auxiliary plate and a connecting plate which are connected, and is arranged on the main shaft through two third bearings, so that the rotor assembly rotates more stably, the vibration is reduced, and the noise is reduced under the state that the magnetic steel is attached; gear oil can be added into the first end cover and the second end cover, so that the planetary reduction system is immersed in the gear oil, the noise of the motor is reduced, and the reduction system can be free of maintenance for five to seven years.
The inner gear ring 13 is fixed on one end of the second end cover 5, which is abutted against the first end cover 4, and the inner gear ring, the first end cover 4 and the inner gear ring are fixed and can synchronously rotate.
The first end cover 4 and the second end cover 5 are fixedly connected through a locking bolt.
Have the bearing frame 820 on the mainboard 82, install on the third bearing, the bearing frame outside is equipped with the mounting groove 821, and a plurality of magnet steel 81 subsides are adorned in mounting groove 821, and magnet steel 81's number is eight to twenty four, the utility model discloses in choose for use the number of magnet steel to be sixteen, the shop of the mutual butt of sixteen magnet steel is adorned in the mounting groove.
The height of magnet 81 is greater than the height of mounting groove 821.
The radial horizontal section of the mounting groove 821 is annular, and the radial horizontal section of the magnetic steel 81 is fan-shaped.
Through integrated into one piece mounting groove on the mainboard, can fix a position the mounted position of magnet steel, the accurate installation of the magnet steel of being convenient for can avoid the magnet steel can not be coaxial with the mainboard in the installation.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A coreless wind power generation motor is characterized by comprising a main shaft (1), a first end cover (4), a second end cover (5), a stator (6), a rotor assembly (8), a sun gear (9), a planet gear (12) and an inner gear ring (13), wherein a first bearing (2) and a second bearing (3) are respectively arranged at two ends of the main shaft (1), the first end cover (4) and the second end cover (5) are respectively arranged on the first bearing (2) and the second bearing (3) and are fixedly connected with each other, the stator (6) is fixed on the main shaft (1), third bearings (7) are respectively arranged on two sides of the stator (6) on the main shaft (1), the rotor assembly (8) is arranged on a pair of the third bearings (7), the rotor assembly (8) comprises a main plate (82), an auxiliary plate (83) and a connecting plate (84), the main plate (82) and the auxiliary plate (83) are respectively arranged on the pair of the third bearings (7), the two are fixed through a connecting plate (84), magnetic steel (81) is attached to one side, close to the stator (6), of the main board (82), a sun gear (9) is arranged on one side, far away from the stator (6), of the main board (82), an inner gear ring (13) is fixed on the second end cover (5), a planet support (10) is fixed on one side, close to the second bearing (3), of the main shaft (1), a fourth bearing (11) is arranged on the planet support (10), a planet wheel (12) is arranged on the fourth bearing (11), and the planet wheel (12) is meshed with the sun gear (9) and the inner gear ring (13).
2. The ironless wind power generation motor according to claim 1, characterized in that the ring gear (13) is fixed to the end of the second end cover (5) abutting the first end cover (4) and abutting the first end cover (4).
3. The ironless wind power generation motor of claim 1, characterized in that the first end cover (4) and the second end cover (5) are fixedly connected by means of locking bolts.
4. The coreless wind power generation motor according to claim 1, wherein a mounting groove (821) is provided on the main board (82), and the plurality of magnetic steels (81) are attached to the mounting groove (821).
5. The ironless wind power generation motor of claim 4, characterized in that the height of the magnetic steel (81) is greater than the height of the mounting groove (821).
6. The ironless wind power generation motor according to claim 4, characterized in that a radial horizontal section of the mounting groove (821) is annular, and a radial horizontal section of the magnetic steel (81) is fan-shaped.
7. The ironless wind power generation motor according to claim 6, characterized in that the number of the magnetic steels (81) is eight to twenty-four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430662.7U CN210201637U (en) | 2019-08-30 | 2019-08-30 | Coreless wind power generation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430662.7U CN210201637U (en) | 2019-08-30 | 2019-08-30 | Coreless wind power generation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201637U true CN210201637U (en) | 2020-03-27 |
Family
ID=69865353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921430662.7U Active CN210201637U (en) | 2019-08-30 | 2019-08-30 | Coreless wind power generation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201637U (en) |
-
2019
- 2019-08-30 CN CN201921430662.7U patent/CN210201637U/en active Active
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