CN102937072B - Double-stator direct-driven wind generating set adopting novel impeller locking manner - Google Patents
Double-stator direct-driven wind generating set adopting novel impeller locking manner Download PDFInfo
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- CN102937072B CN102937072B CN201210484647.7A CN201210484647A CN102937072B CN 102937072 B CN102937072 B CN 102937072B CN 201210484647 A CN201210484647 A CN 201210484647A CN 102937072 B CN102937072 B CN 102937072B
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a double-stator direct-driven wind generating set adopting a novel impeller locking manner. The double-stator direct-driven wind generating set comprises a rotor, a rotor turntable, a rotating shaft, an inner stator, an inner stator bracket, an outer stator and a generator shell, wherein the rotor is connected on the rotating shaft by the rotor turntable; the inner stator is fixed on the inner stator bracket; the outer stator is fixed in the generator shell; the inner stator bracket is fixedly connected with the rear end of the generator shell; the double-stator direct-driven wind generating set further comprises an impeller locking mechanism positioned in a generator; and the impeller locking mechanism comprises an impeller locking plate which is connected with the rotor turntable, and an impeller locking device which is in locking matching with the impeller locking plate and is arranged on the inner stator bracket. According to the double-stator direct-driven wind generating set disclosed by the invention, the impeller locking mechanism is arranged on the rotor turntable and the inner stator bracket in the generator, and is close to the rotating shaft, so that a locking path is shortened, the impact on the generator caused by outer loads is reduced, simultaneously a relatively large maintenance space is realized and the operation is safe.
Description
Technical field
The present invention relates to technical field of wind power, particularly, relate to a kind of double-stator direct-drive wind power generating set with novel impeller locking form.
Background technique
Along with the increase day by day of wind energy demand in recent years, the single-machine capacity of wind-driven generator, also in continuous increase, cancels speed increasing mechanism is become wind generating technology inevitable development trend by wind energy conversion system Direct driver low-speed generator.Direct drive generator has that structure is simple, efficiency is high, installation and maintenance expense is low, reliability is high, to wind energy fluctuation and the advantage such as load variations response is fast.It has become an important development direction of wind-driven generator.
In current direct wind-driven generator group, what impeller lock compact form was conventional is be integrated on bearing support by impeller locking mechanism, and namely spring bolt stretches out in the impeller locking plate entering and fix with rotating shaft the locking completing and safeguard under operating mode.Also have to adopt on base framework, arrange impeller locking mechanism, thus the vibrating part on wheel hub is locked.The mode of carrying out profile of tooth engagement to brake disc is also had to realize impeller locking.
But impeller locking mechanism is fixed in bearing support, double-stator direct-drive generator Rigen does not originally have operating space; Be fixed on base framework, double-stator direct-drive generator does not have base framework, and utilizes profile of tooth to engage the mode of locking brake disc, can increase additional load, be unfavorable for that generator is stressed to generator amature.
Summary of the invention
The object of the present invention is to provide a kind of double-stator direct-drive wind power generating set with novel impeller locking form, locking path can be shortened, reduce outer impact of carrying generator, there is relatively large maintenance space and handling safety simultaneously.
To achieve these goals, the present invention adopts following technological scheme:
A kind of double-stator direct-drive wind power generating set with novel impeller locking form, comprise rotor, rotor rotating disk, rotating shaft, inner stator, inner stator support, external stator, generator casing, its rotor is connected in rotating shaft by described rotor rotating disk, inner stator is fixed on inner stator support, external stator is fixed on generator casing inside, and inner stator support is fixedly connected with generator casing rear end, also comprise the impeller locking mechanism being positioned at generator, described impeller locking mechanism comprises the impeller locking plate be connected with rotor rotating disk, and lock with described impeller locking plate, be arranged on the impeller locking device on inner stator support.
Further, described impeller locking device to be locked with impeller locking plate by the impeller spring bolt that is provided at its inner portion and is connected.
Further, described impeller locking plate and rotor rotating disk are connected to become a unitary components.
Further, described impeller locking plate and rotor rotating disk are by casting or be welded into a unitary components.
Further, described impeller locking plate and rotor rotating disk are Split assembled fixed connection structure.
Further, described impeller locking plate is threaded with rotor rotating disk.
Further, described inner stator support comprises the horizontal support of directly contact inner stator and supports the vertical supports of horizontal support, and described impeller locking device is arranged in the vertical supports of rotor rotating disk end.
Compared with prior art, the present invention has following beneficial effect:
Double-stator direct-drive wind power generating set of the present invention, adopt new impeller lock compact form, impeller locking organization establishes is on the rotor rotating disk and inner stator support of generator, near rotating shaft, can as much as possible close to wind wheel, shorten locking path, be reduced in and safeguard that the operating mode impact to component in lower outside year injures, reduce and suffer outer amount of parts of carrying impact, electric generator structure is compacter, maintenance cost can be made lower at generator, meanwhile, the relatively large and handling safety in the maintenance space of generator.
Below by drawings and Examples, technological scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of form of the present invention;
Fig. 2 is the structural representation of the another kind of form of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment 1
As shown in Figure 1, a kind of double-stator direct-drive wind power generating set with novel impeller locking form of the present invention, comprise rotor 5, rotor rotating disk 2, rotating shaft 1, inner stator 6, inner stator support 7, external stator 4, generator casing 3, its rotor 5 is connected in rotating shaft 1 by rotor rotating disk 2, inner stator 6 is fixed on inner stator support 7, it is inner that external stator 4 is fixed on generator casing 3, and inner stator support 7 is fixedly connected with generator casing 3 rear end, also comprise the impeller locking mechanism being positioned at generator, impeller locking mechanism comprises the impeller locking plate be connected with rotor rotating disk 2, and lock with impeller locking plate, be arranged on the impeller locking device 8 on inner stator support 7.Above-mentioned inner stator support 7 comprises the horizontal support of directly contact inner stator 6 and supports the vertical supports of horizontal support, and impeller locking device 8 is arranged in the vertical supports of rotor rotating disk 2 end.
In the above-described embodiments, impeller locking device 8 to be locked with impeller locking plate by the impeller spring bolt that is provided at its inner portion and is connected.
In the above-described embodiments, impeller locking plate can adopt with rotor rotating disk 2 and cast, to weld or alternate manner is connected to become a unitary components.Namely rotor rotating disk 2 part itself has impeller locking plate structure characteristic, and has impeller locking plate function.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, it is Split assembled fixed connection structure that rotor rotating disk and impeller lock rotating disk, and as shown in Figure 2, impeller locking plate 9 is threaded with a simple and easy rotor rotating disk 10.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technological scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. one kind has the double-stator direct-drive wind power generating set of novel impeller locking form, comprise rotor, rotor rotating disk, rotating shaft, inner stator, inner stator support, external stator, generator casing, its rotor is connected in rotating shaft by described rotor rotating disk, inner stator is fixed on inner stator support, external stator is fixed on generator casing inside, and inner stator support is fixedly connected with generator casing rear end, it is characterized in that, also comprise the impeller locking mechanism being positioned at generator, described impeller locking mechanism comprises the impeller locking plate be connected with rotor rotating disk, and lock with described impeller locking plate, be arranged on the impeller locking device on inner stator support.
2. double-stator direct-drive wind power generating set according to claim 1, is characterized in that, described impeller locking device to be locked with impeller locking plate by the impeller spring bolt that is provided at its inner portion and is connected.
3. double-stator direct-drive wind power generating set according to claim 1, is characterized in that, described impeller locking plate and rotor rotating disk are connected to become a unitary components.
4. double-stator direct-drive wind power generating set according to claim 3, is characterized in that, described impeller locking plate and rotor rotating disk are by casting or be welded into a unitary components.
5. double-stator direct-drive wind power generating set according to claim 1, is characterized in that, described impeller locking plate and rotor rotating disk are Split assembled fixed connection structure.
6. double-stator direct-drive wind power generating set according to claim 5, is characterized in that, described impeller locking plate is threaded with rotor rotating disk.
7. double-stator direct-drive wind power generating set according to claim 1, it is characterized in that, described inner stator support comprises the horizontal support of directly contact inner stator and supports the vertical supports of horizontal support, and described impeller locking device is arranged in the vertical supports of rotor rotating disk end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210484647.7A CN102937072B (en) | 2012-11-23 | 2012-11-23 | Double-stator direct-driven wind generating set adopting novel impeller locking manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210484647.7A CN102937072B (en) | 2012-11-23 | 2012-11-23 | Double-stator direct-driven wind generating set adopting novel impeller locking manner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102937072A CN102937072A (en) | 2013-02-20 |
| CN102937072B true CN102937072B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210484647.7A Active CN102937072B (en) | 2012-11-23 | 2012-11-23 | Double-stator direct-driven wind generating set adopting novel impeller locking manner |
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| Country | Link |
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| CN (1) | CN102937072B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533727A (en) * | 2014-11-10 | 2015-04-22 | 江苏荣基重工科技有限公司 | Double-stator direct-drive wind generating set in impeller locking mode |
| CN105649885B (en) * | 2015-12-31 | 2019-01-22 | 北京金风科创风电设备有限公司 | Wind turbine, wind turbine and installation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713382A (en) * | 2008-09-30 | 2010-05-26 | 通用电气公司 | Wind turbine generator brake and grounding brush arrangement |
| CN101917101A (en) * | 2010-08-06 | 2010-12-15 | 国电联合动力技术有限公司 | Double-stator direct-drive permanent magnet wind powered generator |
| CN102080629A (en) * | 2009-11-26 | 2011-06-01 | 西门子公司 | Brake system for a wind turbine with integrated rotor lock, generator and wind turbine |
| CN202108675U (en) * | 2011-07-05 | 2012-01-11 | 沈阳华创风能有限公司 | Locking device of rotor of direct drive wind driven generator |
| CN202946319U (en) * | 2012-11-23 | 2013-05-22 | 国电联合动力技术有限公司 | Double-stator direct drive wind generating set in novel impeller-locking form |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7075192B2 (en) * | 2004-04-19 | 2006-07-11 | Northern Power Systems, Inc. | Direct drive wind turbine |
| US7360310B2 (en) * | 2005-10-05 | 2008-04-22 | General Electric Company | Method for changing removable bearing for a wind turbine generator |
-
2012
- 2012-11-23 CN CN201210484647.7A patent/CN102937072B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713382A (en) * | 2008-09-30 | 2010-05-26 | 通用电气公司 | Wind turbine generator brake and grounding brush arrangement |
| CN102080629A (en) * | 2009-11-26 | 2011-06-01 | 西门子公司 | Brake system for a wind turbine with integrated rotor lock, generator and wind turbine |
| CN101917101A (en) * | 2010-08-06 | 2010-12-15 | 国电联合动力技术有限公司 | Double-stator direct-drive permanent magnet wind powered generator |
| CN202108675U (en) * | 2011-07-05 | 2012-01-11 | 沈阳华创风能有限公司 | Locking device of rotor of direct drive wind driven generator |
| CN202946319U (en) * | 2012-11-23 | 2013-05-22 | 国电联合动力技术有限公司 | Double-stator direct drive wind generating set in novel impeller-locking form |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102937072A (en) | 2013-02-20 |
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