CN2309012Y - Overlap electric machine - Google Patents
Overlap electric machine Download PDFInfo
- Publication number
- CN2309012Y CN2309012Y CN 97239612 CN97239612U CN2309012Y CN 2309012 Y CN2309012 Y CN 2309012Y CN 97239612 CN97239612 CN 97239612 CN 97239612 U CN97239612 U CN 97239612U CN 2309012 Y CN2309012 Y CN 2309012Y
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- CN
- China
- Prior art keywords
- rotor
- slow
- speed
- motor
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to an overlapping motor whose rotation speed can be added, comprising a single rotor motor and a double-rotor motor. The double-rotor motor is provided with a cylindrical fast rotor and a cylindrical slow rotor; the fast rotor is arranged in an inner cavity of the slow rotor; the fast and the slow rotors are concentric, and iron cores are aligned; the fast rotor is supported on a machine casing of the slow rotor which is supported to an end cover of the machine casing through a rotary machine casing; the end cover of the rotary machine casing of the slow rotor is also provided with three sliding rings and brush gears; the rotor of the single rotor motor and the slow rotor of the double-rotor motor are mechanically and integrally coupled. As the speed of the two motors of the utility model is added, the utility model can be used for a device having high-speed requirements, the speed can be regulated within definite range, and the reliability is high.
Description
The utility model belongs to technical field of electricity, but further relates to a kind of Overlap electric machine of rotating speed addition.
The various motors of producing all have a stator, a rotor at present.Stator and rotor field interaction produce moment rotates motor.The magnetic field that the alternator rotor produces is mechanical rotation magnetic field, and the magnetic field that the alternating current motor stator winding produces is electric rotating magnetic field.The pass of the speed in magnetic field and frequency is in these motors, n
1=60F
1/ P wherein P is the motor number of pole-pairs, and F1 is a power frequency.So frequency F1 and number of poles determine or determine substantially the speed of alternating current machine.
The purpose of this utility model is to provide a kind of Overlap electric machine that improves rotating speed.
The utility model comprises two motors, and wherein a motor is a single-rotor motor, and another motor is a double-rotor machine, and double-rotor machine has a columniform fast rotor and columnar slow-speed.Fast rotor is positioned at the sub-inner chamber of slow-speed, concentric and the iron core alignment of two rotors, fast rotor by bearings on slow-speed handset shell, the slow-speed son casing by rotation by bearings on shell end cover, fast rotor has the cage winding, slow-speed has the Wound-rotor type winding, and slow-speed handset shell end cap is equipped with three slip rings and brushgear, and the rotor of single-rotor motor is coupled in the slow-speed handset tool of double-rotor machine.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
Fig. 1 is utility model embodiment 1, and motor 1 is a single-rotor motor, and motor 9 is a double-rotor machine.Double-rotor machine 9 is made up of electric brush slip ring device 3, casing 4, fast rotor 7, slow-speed 6, slow-speed rotation casing 5 and rotating shaft 8 among the figure.Fast rotor 7 is positioned at chamber within slow-speed 6, the iron core alignment.The axle 8 of rotor 7 is supported in the end that slow-speed rotates casing 5 by two bearings soon, and slow-speed rotation casing 5 passes through two bearings again on the end cap of casing 4.Electric brush slip ring device 3 is positioned on the projecting shaft of slow-speed rotation casing end, and in order to electric current is introduced the sub-winding of slow-speed, the axle of motor 1 is by slow-speed of shaft joint 2 with motor 9, and rotation casing 5 couples.Fig. 2 is the utility model embodiment 2, Fig. 2 left side is a single-rotor motor 1, the right side is a double-rotor machine 9, the fast rotor 7 of double-rotor machine 9 is positioned at iron core alignment in chamber within slow-speed 6 among the figure, the rotation casing 5 and the shaft joint 2 of slow-speed 6 are integrated, and are the extended type cylinder, extend in the single-rotor motor 1 always, single-rotor motor 1 is an outer-rotor type, and its external rotor 15 press-fits in the left end chamber of rotation casing 5.The axle 8 of fast rotor 7 is supported on the rotation casing 5 by bearing 14 and 10, and rotation casing 5 is supported on the casing 4 by bearing 11,12,13.Electric brush slip ring is positioned at the axle external part of rotation casing 5.
The utility model is because with two rotor superpositions, can adapt to some equipment of requiring is at a high speed arranged, as high pressure positive blower, water pump etc.; On the other hand, if in the Overlap electric machine one use direct current machine, then can certain limit in speed governing, its reliability height, its price comparison is cheap, does not have the high speed direct current machine again, problems such as commutation difficulty.
Claims (3)
1. Overlap electric machine, it comprises two motors, wherein a motor is a single-rotor motor, another is a double-rotor machine, it is characterized in that: described double-rotor machine has a cylindrical fast rotor and columnar slow-speed, fast rotor is positioned at the sub-inner chamber of slow-speed, concentric and the iron core alignment of two rotors, fast rotor supports is on slow-speed handset shell, slow-speed is supported in shell end cover by the rotation casing, slow-speed rotation shell end cover also is equipped with three slip rings and brushgear, and the rotor of single-rotor motor is coupled in the slow-speed handset tool of double-rotor machine.
2. Overlap electric machine according to claim 1 is characterized in that: slow-speed of described double-rotor machine is coupled in through shaft joint with the rotor of single-rotor motor.
3. Overlap electric machine according to claim 1 is characterized in that: described single-rotor motor is an external rotor electric machine, and slow-speed of it and double-rotor machine press-fits in same casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239612 CN2309012Y (en) | 1997-05-09 | 1997-05-09 | Overlap electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239612 CN2309012Y (en) | 1997-05-09 | 1997-05-09 | Overlap electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2309012Y true CN2309012Y (en) | 1999-02-24 |
Family
ID=33949557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239612 Expired - Fee Related CN2309012Y (en) | 1997-05-09 | 1997-05-09 | Overlap electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2309012Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855863A (en) * | 2012-12-06 | 2014-06-11 | 中核核电运行管理有限公司 | Tandem connection type multistage multiple-speed driving motor |
| CN104852521A (en) * | 2015-05-29 | 2015-08-19 | 邹露潇 | Motor tandem connection structure |
| CN106640069A (en) * | 2017-01-17 | 2017-05-10 | 太原理工大学 | Coal mining machine and transmission system thereof |
-
1997
- 1997-05-09 CN CN 97239612 patent/CN2309012Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855863A (en) * | 2012-12-06 | 2014-06-11 | 中核核电运行管理有限公司 | Tandem connection type multistage multiple-speed driving motor |
| CN104852521A (en) * | 2015-05-29 | 2015-08-19 | 邹露潇 | Motor tandem connection structure |
| CN106640069A (en) * | 2017-01-17 | 2017-05-10 | 太原理工大学 | Coal mining machine and transmission system thereof |
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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 |