CN101917102A - Three-phase asynchronous motor hollow shaft with air deflectors - Google Patents
Three-phase asynchronous motor hollow shaft with air deflectors Download PDFInfo
- Publication number
- CN101917102A CN101917102A CN 201010230422 CN201010230422A CN101917102A CN 101917102 A CN101917102 A CN 101917102A CN 201010230422 CN201010230422 CN 201010230422 CN 201010230422 A CN201010230422 A CN 201010230422A CN 101917102 A CN101917102 A CN 101917102A
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- shaft
- rotating shaft
- asynchronous motor
- phase asynchronous
- wind deflector
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Abstract
The invention relates to a three-phase asynchronous motor hollow shaft with air deflectors. According to the technical scheme provided by the invention, the hollow shaft comprises a revolving shaft, wherein shaft bars are arranged on the middle surface of the revolving shaft and extend outward along the radial direction of the revolving shaft and are symmetrically distributed uniformly; the shaft bars are horizontally parallel with the axis of the revolving shaft; the air deflectors are arranged between the adjacent shaft bars; and ventilating cavities are formed between the air deflectors and the revolving shaft. The air deflectors are arranged at the two ends of the adjacent shaft bars and the ventilating cavities are formed between the air deflectors and the revolving shaft, thus the hollow shaft reduces the area through which airflow flows, increases the wind pressure of the airflow, speeds up the flowing-through wind, improves the radiating effect, prolongs the service life of the three-phase asynchronous motor, lowers the use cost and is simple in structure, safe and reliable.
Description
Technical field
The present invention relates to a kind of three-phase asynchronous motor hollow shaft, especially a kind of three-phase asynchronous motor hollow shaft with wind deflector.
Background technology
In the design of large and middle size motor,, often to take the structure of hollow shaft owing to the increase of rotor internal diameter.When motor rotated, the air-flow that internal fan produces passed between the axial rib of rotor inner surface and forms circulation, thereby heat is transmitted to the support surface.But since general hollow shaft can wind-guiding area bigger, cause the wind speed circulation slower, dividing potential drop is lower, radiating effect is not obvious.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of three-phase asynchronous motor hollow shaft with wind deflector is provided, it is simple in structure, and good heat dissipation effect reduces use cost, prolongs the useful life of threephase asynchronous.
According to technical scheme provided by the invention, described three-phase asynchronous motor hollow shaft with wind deflector, comprise rotating shaft, the axial rib that extends radially outwardly and distribute symmetrically along rotating shaft, the length direction of described axial rib and the parallel axes of rotating shaft are set at the middle part surface of described rotating shaft; Be provided with wind deflector between described adjacent axial rib; Form vented cavity between described wind deflector and rotating shaft.
The two ends of described axial rib are provided with former, fixedly connected with rotating shaft by former in the two ends of axial rib.The cross section of described axial rib in echelon.In the described rotating shaft axis hole is arranged.Described axial rib is provided with keyway.
Advantage of the present invention: the two ends by adjacent axial rib all are provided with wind deflector, form vented cavity between wind deflector and rotating shaft, reduced the area that air flow stream is crossed, increase the blast of air-flow, the wind speed that flows through is increased, improved radiating effect, prolonged the useful life of threephase asynchronous, reduced use cost, simple in structure, safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A view of Fig. 1.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Fig. 1～shown in Figure 2: the present invention includes rotating shaft 1, former 2, wind deflector 3, axial rib 4, vented cavity 5, axis hole 6 and keyway 7.
As depicted in figs. 1 and 2: described rotating shaft 1 is a hollow shaft, in axis hole 6 is arranged; At the middle part surface of described rotating shaft 1 the axial rib 4 that distributes symmetrically that extends radially outwardly along rotating shaft 1 is set, the length direction of described axial rib 4 all with the axially parallel of rotating shaft 1.The air-flow that internal fan produces can export to the support surface along the passage of 4 of adjacent axial ribs.The two ends of axial rib 4 are provided with former 2, and axial rib 4 is fixedlyed connected with rotating shaft 1 by former 2.The cross section of axial rib 4 in echelon.The two ends of described adjacent axial rib 4 all are provided with wind deflector 3, and 1 of described wind deflector 3 and rotating shaft form vented cavity 5, and the air-flow that internal fan produces exports to the support surface in vented cavity 5.
Because the gas channel of 4 of adjacent axial ribs is bigger, the blast of the air-flow that internal fan produces when flowing in gas channel is less, and promptly the wind speed during air current flow is less, and radiating effect is not obvious.In order to improve the blast of air current flow, improve the air-flow wind speed, 4 of adjacent axial ribs wind deflector 3 is set; Described wind deflector 3 can reduce the cross section that air flow stream is crossed.Also be provided with keyway 7 on the described axial rib 4.
As depicted in figs. 1 and 2: during use, air-flow passes through in the vented cavity 5 along the axial direction of rotating shaft 1; Because wind deflector 3 is set, so air-flow enters in the vented cavity 5 of wind deflector 3 and 1 of rotating shaft, reduced the cross section that air flow stream is crossed, and increased the blast of air-flow, makes the wind speed quickening of flowing through, and improved radiating effect.
The present invention all is provided with wind deflector 3 by the two ends of adjacent axial rib 4,1 of wind deflector 3 and rotating shaft form vented cavity 5, reduced the area that air flow stream is crossed, increase the blast of air-flow, the wind speed that flows through is increased, improved radiating effect, prolonged the useful life of threephase asynchronous, reduced use cost, simple in structure, safe and reliable.
Claims (5)
1. three-phase asynchronous motor hollow shaft with wind deflector, comprise rotating shaft (1), at the middle part surface of described rotating shaft (1) the axial rib (4) that extends radially outwardly and distribute symmetrically along rotating shaft (1), the parallel axes of the length direction of described axial rib (4) and rotating shaft (1) are set; It is characterized in that: be provided with wind deflector (3) between described adjacent axial rib (4); Form vented cavity (5) between described wind deflector (3) and rotating shaft (1).
2. according to the described three-phase asynchronous motor hollow shaft with wind deflector of claim 1, it is characterized in that: the two ends of described axial rib (4) are provided with former (2), fixedly connected with rotating shaft (1) by former (2) in the two ends of axial rib (4).
3. according to the described three-phase asynchronous motor hollow shaft with wind deflector of claim 1, it is characterized in that: the cross section of described axial rib (4) in echelon.
4. according to the described three-phase asynchronous motor hollow shaft of claim 1, it is characterized in that: axis hole (6) is arranged in the described rotating shaft (1) with wind deflector.
5. according to the described three-phase asynchronous motor hollow shaft with wind deflector of claim 1, it is characterized in that: described axial rib (4) is provided with keyway (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010230422XA CN101917102B (en) | 2010-07-12 | 2010-07-12 | Three-phase asynchronous motor hollow shaft with air deflectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010230422XA CN101917102B (en) | 2010-07-12 | 2010-07-12 | Three-phase asynchronous motor hollow shaft with air deflectors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101917102A true CN101917102A (en) | 2010-12-15 |
| CN101917102B CN101917102B (en) | 2012-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010230422XA Expired - Fee Related CN101917102B (en) | 2010-07-12 | 2010-07-12 | Three-phase asynchronous motor hollow shaft with air deflectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101917102B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780319A (en) * | 2012-07-27 | 2012-11-14 | 抚顺煤矿电机制造有限责任公司 | Explosion suppression type motor air deflection structure |
| CN104776110A (en) * | 2015-04-13 | 2015-07-15 | 宋天顺 | Hollow shaft and rotating shaft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4800315A (en) * | 1986-09-26 | 1989-01-24 | Metabowerke Gmbh & Co. | Air-cooled rotor for electric motor |
| CN2292347Y (en) * | 1997-05-22 | 1998-09-23 | 曹政治 | Electric motor |
| CN2691151Y (en) * | 2004-04-12 | 2005-04-06 | 赵文钦 | Generator rotor using air ventilation cooling |
| CN201103946Y (en) * | 2007-08-12 | 2008-08-20 | 黄少华 | Efficient exhauster for removing cooking fumes |
| CN101626178A (en) * | 2009-07-28 | 2010-01-13 | 永济新时速电机电器有限责任公司 | Closed air-cooling motor |
| CN201742265U (en) * | 2010-07-12 | 2011-02-09 | 无锡锡山安达防爆电气设备有限公司 | Hollow shaft of three-phase asynchronous motor with air guide plates |
-
2010
- 2010-07-12 CN CN201010230422XA patent/CN101917102B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4800315A (en) * | 1986-09-26 | 1989-01-24 | Metabowerke Gmbh & Co. | Air-cooled rotor for electric motor |
| CN2292347Y (en) * | 1997-05-22 | 1998-09-23 | 曹政治 | Electric motor |
| CN2691151Y (en) * | 2004-04-12 | 2005-04-06 | 赵文钦 | Generator rotor using air ventilation cooling |
| CN201103946Y (en) * | 2007-08-12 | 2008-08-20 | 黄少华 | Efficient exhauster for removing cooking fumes |
| CN101626178A (en) * | 2009-07-28 | 2010-01-13 | 永济新时速电机电器有限责任公司 | Closed air-cooling motor |
| CN201742265U (en) * | 2010-07-12 | 2011-02-09 | 无锡锡山安达防爆电气设备有限公司 | Hollow shaft of three-phase asynchronous motor with air guide plates |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780319A (en) * | 2012-07-27 | 2012-11-14 | 抚顺煤矿电机制造有限责任公司 | Explosion suppression type motor air deflection structure |
| CN104776110A (en) * | 2015-04-13 | 2015-07-15 | 宋天顺 | Hollow shaft and rotating shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101917102B (en) | 2012-06-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20160712 |