CN2602541Y - Dual rotors synchronous AC motor - Google Patents
Dual rotors synchronous AC motor Download PDFInfo
- Publication number
- CN2602541Y CN2602541Y CN 03236312 CN03236312U CN2602541Y CN 2602541 Y CN2602541 Y CN 2602541Y CN 03236312 CN03236312 CN 03236312 CN 03236312 U CN03236312 U CN 03236312U CN 2602541 Y CN2602541 Y CN 2602541Y
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- rotor
- stator
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Abstract
The utility model relates to a birotor AC synchronous motor, comprises a casing, a stator and a rotor arranged inside the casing; the casing takes a cylindrical shape, the stator comprises a stator bracket, an internal stator loop and an external stator loop, the right end of the stator is provided with an end cap, a stator bracket is arranged inside the casing and surround the casing medial axis in the end cap, the internal stator and external stator brackets respectively surrounding the casing medial axis are provided with an internal stator loop and an external stator loop, the internal stator loop is provided with an internal stator rotor, the internal rotor is provided with a plurality of pairs of internal stator rotor magnetic poles, the internal stator rotor is covered in the internal stator shaft liner, the right end of the internal stator shaft liner can rotationally be arranged in the centre of the end cap, the left end of the internal stator shaft liner can rotationally be arranged in the centre of the left end of the casing, an external rotor is arranged between the external stator loop and the internal wall of the casing, the external rotor is provided with a plurality of pairs of internal stator rotor magnetic poles, the external rotor is arranged in the columnar inner bushing, the columnar inner bushing can rotationally be arranged in the casing. The utility model aims to provide a birotor AC synchronous motor with small ratio between the length and the diameter and big output moment.
Description
Technical field
The utility model relates to a kind of autosynchronous motor, relates in particular to a kind of dual rotor AC synchronous motor.
Background technology
The length-to-diameter of existing autosynchronous motor is bigger, rotating speed is higher, output torque is less, therefore, often need mechanical device such as decelerator to drive to actuator in use, owing in equipment, added mechanical device such as decelerator, cause entire equipment bulky, complex structure, transmission accuracy reduces, and cost increases.
The utility model content
The purpose of this utility model is to provide a kind of length-to-diameter little, the dual rotor AC synchronous motor that output torque is big.
The utility model dual rotor AC synchronous motor, comprise casing, be provided with stator and rotor in it, described casing is a tubular, described stator comprises stator support, inner stator coil and external stator coil, the casing right-hand member is equipped with end cap, be positioned at casing on the end cap and be provided with stator support around the casing axis, in the stator support, be provided with inner stator coil and external stator coil around the casing axis respectively on the lateral wall, described rotor comprises internal rotor and the external rotor that is provided with mouse cage shape coil, internal rotor is provided with some internal rotor magnetic poles, internal rotor is fixed on the internal axle sleeve, and the right-hand member of internal axle sleeve is installed in rotation on the center of described end cap, and the left end of internal axle sleeve is installed in rotation on the center of described casing left end, be provided with external rotor between described external stator coil and the casing inner wall, external rotor is provided with some to external rotor magnetic poles, and in external rotor was installed in and overlaps in the cylindrical shape, cover was installed in rotation on the described casing in the cylindrical shape.
Dual rotor AC synchronous motor of the present utility model, the right-hand member of wherein said internal axle sleeve adopts ball bearing to be installed in the center of described end cap, the left end of internal axle sleeve lateral wall links to each other with the left end of cover madial wall in the cylindrical shape by flat key, and the left end of cover adopts the bidirectional propulsion radial bearing to be installed in described casing left end in the cylindrical shape.
Dual rotor AC synchronous motor of the present utility model, wherein said stator support adopts a plurality of stay bolts to be fixed on the left side of end cap, be provided with the stator pressure ring of annular between the nut of each stay bolt and the stator support, be provided with the water-cooling groove of twice annular in the stator pressure ring, right two ends in the described stator support are provided with twice annular water-cooling groove, water-cooling groove is interconnected in stator support with annular water-cooling groove and links to each other with outlet pipe with water inlet pipe, and water inlet pipe passes described end cap with outlet pipe and links to each other with cooling water circulating device.
Be evenly equipped with several ventilation holes on the sidewall of cover left end in the dual rotor AC synchronous motor of the present utility model, wherein said cylindrical shape, on the described end cap binding post be installed.
Dual rotor AC synchronous motor of the present utility model, the quantity of wherein said external rotor magnetic poles equate that with the quantity of internal rotor magnetic pole its quantity is respectively 8～30 pairs, and described internal rotor magnetic pole and external rotor magnetic poles adopt permanent magnet to make.
Dual rotor AC synchronous motor of the present utility model, wherein said ventilation hole quantity is 4～8.
The advantage and the good effect of dual rotor AC synchronous motor of the present utility model are: it can introduce inner stator coil and external stator coil with electric current by binding post, internal rotor and external rotor are rotated around axis, internal rotor drives internal axle sleeve and rotates around axis, internal axle sleeve is connected with the power shaft of actuator, and moment is exported.External rotor drives to overlap in the cylindrical shape and rotates around axis, and cover drives internal axle sleeve and rotates around axis by flat key in the cylindrical shape, and internal axle sleeve is connected with the power shaft of actuator, and moment is exported.Cover also can be directly to be connected with the power shaft of actuator in the cylindrical shape, and moment is exported.The utility model is owing to there are inside and outside two rotors, be applicable to the big occasion of motor diameter, make motor can be designed to have the structure of more magnetic pole, output speed is lower, need not by means of mechanical device transmissions such as decelerators, adopts inside and outside two rotors, also can increase output torque, so dual rotor AC synchronous motor of the present utility model has the transmission accuracy height, length-to-diameter is little, the characteristics that output torque is big.
Other details of the utility model dual rotor AC synchronous motor and characteristics can just can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the front view of the structural representation of the utility model dual rotor AC synchronous motor;
Fig. 2 is the right side pseudosection of Fig. 1;
Fig. 3 is the local amplification view of annular water-cooling groove in the stator support.
Embodiment
As depicted in figs. 1 and 2, dual rotor AC synchronous motor of the present utility model, comprise casing 1, be provided with stator 3 and rotor in it, casing 1 is a cylindrical shape, described stator 3 comprises stator support 5, inner stator coil 6 and external stator coil 7, the right-hand member of casing 1 is equipped with end cap 4, be positioned at casing 1 on the end cap 4 and be provided with stator support 5 around casing 1 axis, in the stator support 5, be provided with inner stator coil 6 and external stator coil 7 around casing 1 axis respectively on the lateral wall, rotor comprises internal rotor 8 and the external rotor 9 that is provided with mouse cage shape coil, be provided with internal rotor 8 in the inner stator coil 6, internal rotor 8 is provided with rotor magnetic pole 22 in 12 pairs, and internal rotor 8 is fixed on the internal axle sleeve 2, and the right-hand member of internal axle sleeve 2 adopts ball bearing 10 to be installed in the center of end cap 4, the left end of internal axle sleeve 2 lateral walls links to each other with the left end of cover 12 madial walls in the cylindrical shape by flat key 11, and the left end of cover 12 adopts bidirectional propulsion radial bearing 13 to be installed in casing 1 left end in the cylindrical shape.Be provided with external rotor 9 between stator coil 7 and casing 1 inwall outside, external rotor 9 is provided with 12 pairs of external rotor magnetic poles 23, and the quantity of external rotor magnetic poles 23 equates that with the quantity of internal rotor magnetic pole 22 external rotor 9 is installed in the cylindrical shape and overlaps in 12.
Be evenly equipped with 6 ventilation holes 20 on the sidewall of cover 12 left ends in the cylindrical shape, ventilation hole 20 quantity also can be 6～12.Ventilation hole 20 can be accelerated the air in the cover 12 and the exchange of outside air in the cylindrical shape, thereby helps the dual rotor AC synchronous motor to dispel the heat.
The binding post 21 of the utility model dual rotor AC synchronous motor can be installed on the end cap 4 usually, also can be installed on the casing 1.
The internal rotor magnetic pole 22 of the utility model dual rotor AC synchronous motor and external rotor magnetic poles 23 adopt permanent magnet to make, and its quantity is respectively 12 pairs, also can be 8～30 pairs.
As shown in Figure 3, water-cooling groove 15 is interconnected in stator support 5 with annular water-cooling groove 19 and links to each other with outlet pipe 17 with water inlet pipe 16, and water inlet pipe 16 passes end cap 4 with outlet pipe 17 and links to each other with cooling water circulating device.Utilize cooling water circulating device that cooling water is imported in water-cooling grooves 15 and the annular water-cooling groove 19 by water inlet pipe 16, discharge from outlet pipe 17, thereby the dual rotor AC synchronous motor is lowered the temperature through the circulation back.
Dual rotor AC synchronous motor of the present utility model in use, can electric current be introduced inner stator coil 6 and external stator coil 7 by binding post 21, internal rotor 8 and external rotor 9 are rotated around axis, internal rotor 8 drives internal axle sleeve 2 and rotates around axis, internal axle sleeve 2 is connected with the power shaft of actuator, and moment is exported.External rotor 9 drives in the cylindrical shapes cover 12 and rotates around axis, and cover 12 drives internal axle sleeve 2 and rotates around axis by flat key 11 in the cylindrical shape, and internal axle sleeve 2 is connected with the power shaft of actuator, and moment is exported.Cover 12 also can be directly to be connected with the power shaft of actuator in the cylindrical shape, and moment is exported.Because inside and outside two rotors are arranged, and can be designed to have the structure of more magnetic pole, need not by means of mechanical device transmissions such as decelerators, so it is limited and can directly drive occasion that dual rotor AC synchronous motor of the present utility model is highly suitable in the plant equipment space, machine tool rotary working table for example, swinging axle, the gyration of machine cutter holder and robot etc., can effectively improve transmission accuracy, and reduce the complexity of mechanism.
Claims (6)
1. dual rotor AC synchronous motor, comprise casing (1), be provided with stator (3) and rotor in it, it is characterized in that described casing (1) is tubular, described stator (3) comprises stator support (5), inner stator coil (6) and external stator coil (7), casing (1) right-hand member is equipped with end cap (4), be positioned at casing (1) on the end cap (4) and be provided with stator support (5) around casing (1) axis, in the stator support (5), be provided with inner stator coil (6) and external stator coil (7) around casing (1) axis respectively on the lateral wall, described rotor comprises internal rotor (8) and the external rotor (9) that is provided with mouse cage shape coil, be provided with internal rotor (8) in the described inner stator coil (6), internal rotor (8) is provided with some internal rotor magnetic poles (22), internal rotor (8) is fixed on the internal axle sleeve (2), the right-hand member of internal axle sleeve (2) is installed in rotation on the center of described end cap (4), the left end of internal axle sleeve (2) is installed in rotation on the center of described casing (1) left end, be provided with described external rotor (9) between described external stator coil (7) and casing (1) inwall, external rotor (9) is provided with some to external rotor magnetic poles (23), external rotor (9) is installed in and overlaps in the cylindrical shape in (12), and cover (12) is installed in rotation on the described casing (1) in the cylindrical shape.
2. dual rotor AC synchronous motor according to claim 1, the right-hand member that it is characterized in that described internal axle sleeve (2) adopts ball bearing (10) to be installed in the center of described end cap (4), the left end of internal axle sleeve (2) lateral wall links to each other with the left end of cover (12) madial wall in the cylindrical shape by flat key (11), and the left end of cover (12) adopts bidirectional propulsion radial bearing (13) to be installed in described casing (1) left end in the cylindrical shape.
3. dual rotor AC synchronous motor according to claim 2, it is characterized in that described stator support (5) adopts a plurality of stay bolts (14) to be fixed on the left side of end cap (4), be provided with the stator pressure ring (18) of annular between nut of each stay bolt (14) and the stator support (5), be provided with the water-cooling groove (15) of twice annular in the stator pressure ring (18), right two ends in the described stator support (5) are provided with twice annular water-cooling groove (19), and water-cooling groove (15) is interconnected in stator support (5) with annular water-cooling groove (19) and links to each other with outlet pipe (17) with water inlet pipe (16).
4. according to the described dual rotor AC synchronous motor of claim 1,2 or 3, it is characterized in that being evenly equipped with several ventilation holes (20) on the sidewall of cover (12) left end in the described cylindrical shape, binding post (21) is installed on the described end cap (4).
5. dual rotor AC synchronous motor according to claim 4, the quantity that it is characterized in that described external rotor magnetic poles (23) equates with the quantity of internal rotor magnetic pole (22), its quantity is respectively 8～30 pairs, and internal rotor magnetic pole (22) and external rotor magnetic poles (23) adopt permanent magnet to make.
6. dual rotor AC synchronous motor according to claim 5 is characterized in that described ventilation hole (20) quantity is 6～12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03236312 CN2602541Y (en) | 2003-01-20 | 2003-01-20 | Dual rotors synchronous AC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03236312 CN2602541Y (en) | 2003-01-20 | 2003-01-20 | Dual rotors synchronous AC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2602541Y true CN2602541Y (en) | 2004-02-04 |
Family
ID=34166702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03236312 Expired - Fee Related CN2602541Y (en) | 2003-01-20 | 2003-01-20 | Dual rotors synchronous AC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2602541Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756051B (en) * | 2004-09-27 | 2010-09-29 | 通用电气公司 | Electrical machine with double-sided lamination stack |
-
2003
- 2003-01-20 CN CN 03236312 patent/CN2602541Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756051B (en) * | 2004-09-27 | 2010-09-29 | 通用电气公司 | Electrical machine with double-sided lamination stack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |