CN105673327B - Wind power generating set and wind-driven generator - Google Patents
Wind power generating set and wind-driven generator Download PDFInfo
- Publication number
- CN105673327B CN105673327B CN201410675294.8A CN201410675294A CN105673327B CN 105673327 B CN105673327 B CN 105673327B CN 201410675294 A CN201410675294 A CN 201410675294A CN 105673327 B CN105673327 B CN 105673327B
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- Prior art keywords
- connecting pin
- wind
- power generating
- generating set
- wheel hub
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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 present invention provides a kind of wind power generating set and wind-driven generator, comprising: wheel hub, the wheel hub are equipped with connecting pin, and the input terminal of the connecting pin and gear-box connects, and the output end of the gear-box is connect with generator；Bearing, the inner ring of the bearing are connect with the connecting pin, and the outer ring of the bearing is connect with mainframe.The present invention can be improved stress performance and service life, facilitate maintenance.
Description
Technical field
The present invention relates to generating equipment technology more particularly to a kind of wind power generating set and wind-driven generators.
Background technique
Wind-driven generator is the dynamic power machine for converting wind energy into mechanical work.
Existing wind power generating set includes wheel hub, and wheel hub is equipped with blade to form wind wheel, and wheel hub is connected to main shaft
One end, the other end of main shaft are connected with gear-box and generator, are mounted on base bearing, are placed in bearing block, axis in the middle part of main shaft
It holds seat and is connected to mainframe.
Since the gravity of wheel hub and blade is in one end of main shaft, a moment of flexure can be generated to main shaft, while
When wind-driven generator operates, main shaft also suffers from the axial thrust of torque and wind wind wheel that wind wheel rotation generates, when making main shaft
When be under an alternation stress, have an adverse effect to the fatigue life of main shaft, in addition, due to bearing block stress performance
It is poor, therefore, it is impossible to bear unbalanced power, when gear-box or generator failure need to remove, and must tear open simultaneously
Except wind wheel, otherwise bearing block is then easily damaged, and thus brings difficulty to the maintenance of wind power generating set.
Summary of the invention
The present invention provides a kind of wind power generating set and wind-driven generator, convenient to improve stress performance and service life
Maintenance.
One aspect of the present invention provides a kind of wind power generating set, comprising:
Wheel hub, the wheel hub are equipped with connecting pin, and the input terminal of the connecting pin and gear-box connects, the gear-box it is defeated
Outlet is connect with generator；
Bearing, the inner ring of the bearing are connect with the connecting pin, and the outer ring of the bearing is connect with mainframe.
Another aspect of the present invention provides a kind of wind-driven generator, including wind power generating set provided by the present invention.
Based on above-mentioned, the present invention provides a kind of wind power generating set and wind-driven generator, passes through and connection is arranged on wheel hub
End, and the inner ring of connecting pin and bearing connects, and the outer ring of bearing is connect with mainframe, thus wheel hub pass through bearing directly with master
Rack connection, therefore, the thrust of the gravity, wind wind wheel that make blade and wheel hub directly act on the stronger mainframe of rigidity,
Load is broken up, has reduced the load that the other equipment being connected with connecting pin are undertaken, optimize the stress of wind power generating set
Performance improves the service life of wind power generating set, since mainframe stress performance is good, can bear unbalanced power, because
This can dismantle gear-box and generator in the case where not dismantling wheel hub and blade, and then facilitate the dimension of wind power generating set
It repairs, while bearing block is omitted, keep structure more simple.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of wind power generating set provided in an embodiment of the present invention；
Fig. 2 is the portion the A enlarged drawing in Fig. 1；
Fig. 3 is the structural schematic diagram of another wind power generating set provided in an embodiment of the present invention；
Fig. 4 is the portion the B enlarged drawing in Fig. 3；
Fig. 5 is the structural schematic diagram of another wind power generating set provided in an embodiment of the present invention.
Appended drawing reference:
101: wheel hub；102: connecting pin；103: gear-box；
104: generator 105: bearing；106: mainframe；
107: main shaft；108: cavity；109: inspection hole；
110: ring flange；111: bolt；112: elastic connection sleeve；
113: airflow channel；114: platform.
Specific embodiment
Fig. 1 and Fig. 2 are please referred to, the embodiment of the present invention provides a kind of wind power generating set, comprising: wheel hub 101, the wheel hub
101 are equipped with connecting pin 102, and the connecting pin 102 connect with the input terminal of gear-box 103, the output end of the gear-box 103 and
Generator 104 connects；Bearing 105, the inner ring of the bearing 105 are connect with the connecting pin 102, the outer ring of the bearing 105
It is connect with mainframe 106.
In the present embodiment, by the way that connecting pin 102 is arranged on wheel hub 101, and the inner ring of connecting pin 102 and bearing 105 connects
It connects, and the outer ring of bearing 105 is connect with mainframe 106, thus wheel hub 101 is directly connect with mainframe 106 by bearing 105,
Therefore, the thrust of the gravity, wind wind wheel that make blade and wheel hub 101 directly acts on the stronger mainframe 106 of rigidity, differentiation
Load, reduces the load that the other equipment being connected with connecting pin 102 are undertaken, optimizes the stress of wind power generating set
Can, the service life of wind power generating set is improved, since 106 stress performance of mainframe is good, unbalanced power can be born, because
This can dismantle gear-box 103 and generator 104 in the case where not dismantling wheel hub 101 and blade, and then facilitate wind-power electricity generation
The maintenance of unit, while 105, bearing are omitted, keep structure more simple.
Fig. 3 and Fig. 4 are please referred to, in the present embodiment, it is preferred that wind power generating set further includes main shaft 107, the main shaft
107 one end is connect with the connecting pin 102, and the other end of the main shaft 107 is connect with the input terminal of the gear-box 103,
Cavity 108 is equipped in the main shaft 107,107 surface of main shaft is equipped with inspection hole 109, the cavity 108 and the inspection hole
109 are connected with the inner cavity of the wheel hub 101.Since main shaft 107 is not subjected to the gravity and wind wind of blade and wheel hub 101
The thrust of wheel, therefore main shaft 107 can be hollow structure, i.e., cavity 108 is equipped in main shaft 107, by setting on 107 surface of main shaft
There is inspection hole 109, and cavity 108 is connected with the inner cavity of inspection hole 109 and wheel hub 101, maintenance personal is allowed to pass through inspection
It looks into hole 109 to enter in 101 inner cavity of wheel hub to the equipment progress maintenance and inspection in 101 inner cavity of wheel hub, facilitates the maintenance of wheel hub 101
Work, while air circulation may be implemented by inspection hole 109 and cavity 108, to realize in wheel hub 101 device temperature and wet
The adjusting of degree.Certainly, the connecting pin 102 of wheel hub 101 can also directly be connect with the input terminal of gear-box 103.
In the present embodiment, it is preferred that described 107 one end of main shaft is equipped with ring flange 110, and passes through bolt 111 and the company
102 flanged joints of end are connect, are arranged with elastic connection sleeve 112 on the bolt 111.As a result, when impacting, elastic connection sleeve
112 are deformed by compression, impact are absorbed, to reduce or eliminate rushing to main shaft 107, gear-box 103 and generator 104
It hits.
In the present embodiment, it is preferred that connecting pin 102 is equipped with airflow channel 113, the airflow channel 113 and the wheel hub
101 inner cavity is connected.Air circulation may be implemented by the way that airflow channel 113 is arranged, to realize device temperature in wheel hub 101
With the adjusting of humidity.
In the present embodiment, it is preferred that the outer ring of bearing 105 is connect with the medial surface of the opening of the mainframe 106.By
This makes structure tension performance more preferable, runs more reliable.The outer ring of certain bearing 105 can also be with the opening of mainframe 106
Outer end face flanged joint (please referring to Fig. 5).
Referring to FIG. 5, in the present embodiment, it is preferred that the mainframe 106 is formed with platform 114, the generator
104 are placed on the platform 114.Since platform 114 and mainframe 106 are integrally formed, so that stress performance is enough more preferable, certainly
Generator chassis can also be separately provided to carry generator 104.
In the present embodiment, it is preferred that the input terminal of gear-box 103 be equipped with ring flange 110, and by bolt 111 with it is described
102 flanged joint of connecting pin is arranged with elastic connection sleeve 112 on the bolt 111.As a result, when impacting, elastic connection
Set 112 is deformed by compression, impact is absorbed, to reduce or eliminate the impact to gear-box 103 and generator 104.
The embodiment of the present invention provides a kind of wind-driven generator, including wind-driven generator described in any embodiment of that present invention
Group.
In the present embodiment, by the way that connecting pin 102 is arranged on wheel hub 101, and the inner ring of connecting pin 102 and bearing 105 connects
It connects, and the outer ring of bearing 105 is connect with mainframe 106, thus wheel hub 101 is directly connect with mainframe 106 by bearing 105,
Therefore, the thrust of the gravity, wind wind wheel that make blade and wheel hub 101 directly acts on the stronger mainframe 106 of rigidity, differentiation
Load, reduces the load that the other equipment being connected with connecting pin 102 are undertaken, optimizes the stress of wind power generating set
Can, the service life of wind power generating set is improved, since 106 stress performance of mainframe is good, unbalanced power can be born, because
This can dismantle gear-box 103 and generator 104 in the case where not dismantling wheel hub 101 and blade, and then facilitate wind-power electricity generation
The maintenance of unit, while 105, bearing are omitted, keep structure more simple.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of wind power generating set characterized by comprising
Wheel hub, the wheel hub are equipped with connecting pin, the input terminal connection of the connecting pin and gear-box, the output end of the gear-box
It is connect with generator；
Bearing, the inner ring of the bearing are connect with the connecting pin, and the outer ring of the bearing is connect with mainframe；
It further include main shaft, one end of the main shaft is connect with the connecting pin, the other end of the main shaft and the gear-box
Input terminal connects, and cavity is equipped in the main shaft, and the main shaft surface is equipped with inspection hole, the cavity and the inspection hole and institute
The inner cavity for stating wheel hub is connected；
Described main shaft one end is equipped with ring flange, and passes through bolt and the connecting pin flanged joint, is arranged with bullet on the bolt
Property connector sleeve；
Alternatively, the input terminal of the gear-box is equipped with ring flange, and pass through bolt and the connecting pin flanged joint, the bolt
On be arranged with elastic connection sleeve.
2. wind power generating set according to claim 1, which is characterized in that the connecting pin is equipped with airflow channel, described
Airflow channel is connected with the inner cavity of the wheel hub.
3. wind power generating set according to claim 1, which is characterized in that the outer ring of the bearing and the mainframe
The medial surface of opening connects.
4. wind power generating set according to claim 1, which is characterized in that the mainframe is formed with platform, institute
Generator is stated to place on the platform.
5. a kind of wind-driven generator, which is characterized in that including wind power generating set according to claim 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410675294.8A CN105673327B (en) | 2014-11-21 | 2014-11-21 | Wind power generating set and wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410675294.8A CN105673327B (en) | 2014-11-21 | 2014-11-21 | Wind power generating set and wind-driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673327A CN105673327A (en) | 2016-06-15 |
| CN105673327B true CN105673327B (en) | 2019-05-28 |
Family
ID=56958143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410675294.8A Active CN105673327B (en) | 2014-11-21 | 2014-11-21 | Wind power generating set and wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673327B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018141523A1 (en) * | 2017-02-03 | 2018-08-09 | Siemens Wind Power A/S | Wind turbine with a tubular support structure and a bearing assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326523Y (en) * | 2008-12-26 | 2009-10-14 | 华锐风电科技有限公司 | Transmission gear of wind generating set |
| CN201705595U (en) * | 2010-06-22 | 2011-01-12 | 沈阳瑞祥风能设备有限公司 | Front-back bearing assembling structure for low speed shaft of wind generating set |
| EP2653719A2 (en) * | 2012-04-19 | 2013-10-23 | General Electric Company | Hub for wind turbine rotor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9041237B2 (en) * | 2012-02-24 | 2015-05-26 | General Electric Company | Wind turbine drive train and wind turbine |
-
2014
- 2014-11-21 CN CN201410675294.8A patent/CN105673327B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326523Y (en) * | 2008-12-26 | 2009-10-14 | 华锐风电科技有限公司 | Transmission gear of wind generating set |
| CN201705595U (en) * | 2010-06-22 | 2011-01-12 | 沈阳瑞祥风能设备有限公司 | Front-back bearing assembling structure for low speed shaft of wind generating set |
| EP2653719A2 (en) * | 2012-04-19 | 2013-10-23 | General Electric Company | Hub for wind turbine rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673327A (en) | 2016-06-15 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 250104 No. 3666 Century Avenue, Jinan City, Shandong Province Applicant after: Shandong Zhongche Wind Power Co. Ltd. Address before: 250104 No. 3666 Century Avenue, Jinan City, Shandong Province Applicant before: CNR Wind Power Co., Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |