CN112177844A - Hub structure of small variable-pitch wind turbine and mounting method - Google Patents
Hub structure of small variable-pitch wind turbine and mounting method Download PDFInfo
- Publication number
- CN112177844A CN112177844A CN202011096839.1A CN202011096839A CN112177844A CN 112177844 A CN112177844 A CN 112177844A CN 202011096839 A CN202011096839 A CN 202011096839A CN 112177844 A CN112177844 A CN 112177844A
- Authority
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- China
- Prior art keywords
- hub body
- main shaft
- blade
- wheel hub
- wind turbine
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 239000004519 grease Substances 0.000 claims description 17
- 230000001050 lubricating effect Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 13
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0625—Rotors characterised by their aerodynamic shape of the whole rotor, i.e. form features of the rotor unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0691—Rotors characterised by their construction elements of the hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- 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
Abstract
The invention discloses a hub structure of a small variable-pitch wind turbine and an installation method, and mainly relates to the field of wind power generation; the novel hub comprises a hub body, wherein a plurality of blade transmission parts are arranged on the outer wall of the hub body in an annular array mode, one ends of the blade transmission parts are inserted into the hub body and are in rotating connection with the hub body, gears are arranged at the ends of the blade transmission parts, which are inserted into the hub body, a hollow main shaft is connected to the middle of the hub body, a push rod is arranged in the hollow main shaft and is in sliding connection with the hollow main shaft, one end of the push rod extends out of the hollow main shaft, a synchronous fork is arranged at the end, which extends out of the hollow main shaft, of the push rod, and a rack meshed with the; the invention has simple structure, can actively change the pitch and can adapt to the installation arrangement of a novel pitch changing mechanism.
Description
Technical Field
The invention relates to the field of wind power generation, in particular to a hub structure of a small variable pitch wind turbine and an installation method.
Background
At present, the existing small wind turbine mainly adopts a fixed pitch structure, blades are fixedly arranged on a hub through bolts, the hub structure is relatively simple, but with the development of the wind turbine power generation technology, the common fixed pitch wind turbine cannot meet the requirements of the wind turbine on power regulation, the wind turbine gradually develops towards the direction of a variable pitch wind turbine, the existing variable pitch wind turbine is a passive variable pitch regulation wind turbine, and the power regulation has many defects, for example, the variable pitch action mainly comes from the centrifugal force generated by a centrifugal flyweight as a power source, so that the obvious hysteresis phenomenon exists, and meanwhile, the centrifugal force is difficult to accurately estimate, so that a spring device is easy to lose efficacy after being used for a long time.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a hub structure of a small variable-pitch wind turbine and an installation method thereof, wherein the hub structure is simple in structure, can actively change pitch, and can adapt to the installation arrangement of a novel variable-pitch mechanism.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a small-size becomes oar wind energy conversion system wheel hub structure, includes the wheel hub body, annular array is equipped with a plurality of blade transmission spare on the wheel hub body outer wall, the one end of blade transmission spare is inserted in the wheel hub body and is connected with the rotation of wheel hub body, the one end that the blade transmission spare inserted the wheel hub body is equipped with the gear, the middle part of wheel hub body is connected with the cavity main shaft, be equipped with the push rod in the cavity main shaft, push rod and cavity main shaft sliding connection, the cavity main shaft is outwards stretched out to the one end of push rod, the one end that the cavity main shaft outwards stretched out of push rod is equipped with synchronous fork, be.
Preferably, the hub body is rotatably connected with the blade transmission member through a pitch bearing.
Preferably, the annular array is equipped with a plurality of adapter sleeve on the outer wall of wheel hub body, the quantity of adapter sleeve is the same with the quantity of blade driving medium, the adapter sleeve communicates with the inner chamber of wheel hub body, the one end that the wheel hub body was kept away from to the adapter sleeve is equipped with the wheel hub ring flange, be equipped with wheel hub safety pinhole on the adapter sleeve, be equipped with the driving medium safety pinhole that suits with wheel hub safety pinhole on the blade driving medium.
Preferably, the blade transmission spare includes the transmission shaft, the one end of transmission shaft is equipped with the transmission spare ring flange, and the other end is equipped with the spline, be equipped with the spline groove that suits with the spline on the gear, the one end that the transmission shaft was kept away from to the transmission spare ring flange is equipped with the blade mounting groove.
Preferably, the inner wall of the hub body is provided with a guide table matched with the rack, and the guide surface of the guide table is parallel to the axis of the hub flange.
Preferably, a grease storage groove is formed in the guide surface of the guide table, and a lubricating grease filling port communicated with the grease storage groove is formed in one end of the guide table.
Preferably, a copper sleeve matched with the push rod is embedded in the hollow main shaft.
Preferably, one end of the rack is provided with a mechanical limiting table, the other end of the rack is provided with a mounting screw, and the synchronous fork is provided with a mounting hole matched with the mounting screw.
A method for installing a hub structure of a small variable-pitch wind turbine comprises the following steps:
s1, mounting the hub body on the hollow main shaft, realizing radial positioning between the hub body and the hollow main shaft through a flat key, and fixing the hub body and the hollow main shaft through a shaft shoulder on the hollow main shaft and double locking nuts mounted at the end part of the hollow main shaft to realize axial positioning;
s2, fixing the synchronous fork on the push rod through a slotted nut;
s3, fixing one end of the rack on the synchronous fork;
s4, installing the blade transmission piece on the hub body;
s5, mounting the gear on the blade transmission piece and ensuring that the gear is meshed with the rack;
and S6, mounting the blade on the blade transmission piece.
Compared with the prior art, the invention has the beneficial effects that:
the blade transmission part is rotatably connected with the hub body, the push rod is slidably connected with the hollow main shaft, the rack can be driven to move when the push rod is pushed, the rack can drive the gear to rotate, the blade transmission part can be driven to rotate by the gear to rotate, active pitch control can be realized, the structure is simple, the blade transmission part can adapt to the installation arrangement of a novel pitch control mechanism, and the pitch control requirement of a small wind turbine can be met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal connection of the hub body;
FIG. 3 is a schematic structural view of the hub body;
FIG. 4 is a schematic structural view of a blade drive;
fig. 5 is a schematic structural view of a rack.
The reference numbers in the drawings: 1. a hub body; 11. connecting sleeves; 12. a hub flange; 13. a hub safety pin hole; 14. a guide table; 15. a fat storage tank; 16. a lubricating grease filling port; 2. a blade drive member; 21. a gear; 22. a transmission member safety pin hole; 23. a drive shaft; 24. a transmission part flange plate; 25. a spline; 26. a blade mounting groove; 3. a hollow main shaft; 31. a push rod; 32. a synchronous fork; 33. a rack; 34. a copper sleeve; 35. a mechanical limit table; 36. installing a screw rod; 37. a slotted nut; 38. a double lock nut; 4. a pitch bearing; 5. a blade.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in fig. 1-5, taking a common three-blade wind turbine as an example, the invention provides a hub structure of a small variable pitch wind turbine, which comprises a hub body 1, wherein a plurality of blade transmission members 2 are arranged on the outer wall of the hub body 1 in an annular array, the number of the blade transmission members 2 is 3, and the blade transmission members are arranged on the outer wall of the hub body 1 in an annular array by taking the axial lead of the hub body 1 as the center. One end of the blade transmission member 2 is inserted into the hub body 1 and is rotatably connected with the hub body 1, preferably, the hub body 1 and the blade transmission member 2 are rotatably connected through a variable pitch bearing 4. One end that blade driving medium 2 inserted wheel hub body 1 is equipped with gear 21, the middle part of wheel hub body 1 is connected with cavity main shaft 3, be equipped with push rod 31 in the cavity main shaft 3, push rod 31 and 3 sliding connection of cavity main shaft, push rod 31 can slide in cavity main shaft 3, and is preferred, in order to prevent wearing and tearing cavity main shaft, it has copper sheathing 34 with push rod 31 suits to inlay in the cavity main shaft 3, copper sheathing 34 and 3 interference fit of cavity main shaft, and push rod 31 passes copper sheathing 34 and realizes sliding fit with cavity main shaft 3. The one end of push rod 31 outwards stretches out hollow main shaft 3, the one end that the push rod 31 outwards stretches out hollow main shaft 3 is equipped with synchronous fork 32, and the front end of push rod 31 is equipped with the screw thread, will synchronous fork 32 through grooving nut 37 locking, be equipped with the rack 33 with gear 21 meshing on the synchronous fork 32, the length direction of rack 33 is parallel with the axial lead of push rod 31, when promoting push rod 31, can drive rack 33 and remove, rack 33 removes and can drive gear 21 and rotate, gear 21 rotates and can drive blade driving member 2 and rotate, can realize initiatively changing oar, and simple structure, and can adapt to novel variable oar mechanism's installation and arrange, can satisfy the variable oar needs of small-size wind energy conversion system.
Furthermore, one end of the rack 33 is provided with a mechanical limiting table 35, the other end of the rack 33 is provided with an installation screw 36, the synchronous fork 32 is provided with an installation hole matched with the installation screw 36, the installation screw 36 at the end of the rack 33 penetrates through the installation hole, and is installed and positioned through a nut, when the push rod 31 pushes the synchronous fork 32 to drive the rack 33 to move, and when the gear 33 moves to the position of the mechanical limiting table 35, the gear 33 does not move to realize safe limiting, so that the variable pitch mechanism is prevented from pushing out of the hub body 1; normally, the variable-pitch push rod is positioned by a rear-end limit switch, the situation cannot happen, and the design is a mechanical limit device additionally arranged for safety consideration.
Furthermore, a plurality of connecting sleeves 11 are arranged on the outer wall of the hub body 1 in an annular array, the number of the connecting sleeves 11 is the same as that of the blade transmission pieces 2, the connecting sleeves 11 are communicated with the inner cavity of the hub body 1, one end of the connecting sleeve 11 far away from the hub body 1 is provided with a hub flange 12, the hub flange 12 is connected with the outer ring of the variable pitch bearing 4 through a bolt, a hub safety pin hole 13 is arranged on the connecting sleeve 11, a transmission part safety pin hole 22 matched with the hub safety pin hole 13 is arranged on the blade transmission part 2, when the internal mechanism of the hub body 1 needs to be maintained or replaced, the blades 5 are adjusted to the feathering position to align the positions of the hub safety pin holes 13 and the transmission piece safety pin holes 22, and then the safety pin is inserted to enable the blade and the hub to be in a locking state, and the blade does not rotate around the variable pitch axis of the hub any more, so that the blade is safe and convenient.
Further, be equipped with the guide table 14 that suits with rack 33 on the inner wall of wheel hub body 1, the spigot surface of guide table 14 is parallel with the axis of wheel hub ring flange 12, and the spigot surface of guide table 14 does not pass through the center of wheel hub body 1, and the biasing is in axis one side, realizes rack 33 motion direction function, guarantees rack 33 along axial motion in wheel hub body 1.
Preferably, a grease storage groove 15 is arranged on the guide surface of the guide table 14, and the grease storage groove 15 is used for storing lubricating grease to provide a lubricating effect, and reducing the contact area between the guide table 14 and the rack and the friction force; one end of the guide table 14 is provided with a lubricating grease filling port 16 communicated with the grease storage groove 15, oil passages are arranged inside the grease storage groove 15 and the lubricating grease filling port 16, and lubricating grease is filled into the grease storage groove 15 through the lubricating grease filling port 16 on the end face through the internal communicated oil passage.
Further, the blade transmission member 2 includes a transmission shaft 23, the transmission member safety pin hole 22 is located on the transmission shaft 23, one end of the transmission shaft 23 is provided with a transmission member flange 24, the other end of the transmission shaft 23 is provided with a spline 25, the gear 21 is provided with a spline groove adapted to the spline 25, the transmission member flange 24 is connected with the inner ring of the pitch bearing 4 through a bolt, one end of the transmission member flange 24 away from the transmission shaft 23 is provided with a blade mounting groove 26, and the blade mounting groove 26 is used for mounting the blade 5.
A method for installing a hub structure of a small variable-pitch wind turbine comprises the following steps:
s1, mounting the hub body 1 on the hollow spindle 3, realizing radial positioning between the hub body 1 and the hollow spindle 3 through a flat key, and fixing the hub body 1 and the hollow spindle 3 through a shaft shoulder on the hollow spindle 3 and the double locking nuts 38 mounted at the end part of the hollow spindle 3 to realize axial positioning;
s2, fixing the synchronous fork 32 on the push rod 31 through the slotted nut 37;
s3, fixing one end of the rack 33 on the synchronous fork 32;
s4, installing the blade transmission piece 2 on the hub body 1;
s5, installing the gear 21 on the blade transmission piece 2, ensuring that the gear 21 is meshed with the rack 33, and installing the spline groove in the center of the gear 21 and the spline 25 of the blade transmission piece 2 in a matching way;
s6, the blade is installed on the blade transmission piece 2, and the blade installation groove 26 on the outer side of the blade transmission piece 2 is connected with the root of the blade 5, so that the transmission of variable pitch torque and the fixation of the blade are realized.
Claims (9)
1. The utility model provides a small-size becomes oar wind energy conversion system wheel hub structure, includes wheel hub body (1), annular array is equipped with a plurality of blade transmission spare (2), its characterized in that on wheel hub body (1) outer wall: the one end of blade driving medium (2) is inserted in wheel hub body (1) and is rotated with wheel hub body (1) and be connected, the one end that blade driving medium (2) inserted wheel hub body (1) is equipped with gear (21), the middle part of wheel hub body (1) is connected with cavity main shaft (3), be equipped with push rod (31) in cavity main shaft (3), push rod (31) and cavity main shaft (3) sliding connection, the one end of push rod (31) outwards stretches out cavity main shaft (3), the one end that outwards stretches out cavity main shaft (3) of push rod (31) is equipped with synchronous fork (32), be equipped with on synchronous fork (32) with gear (21) meshing rack (33).
2. The hub structure of a small pitch wind turbine as claimed in claim 1, wherein: the hub body (1) is rotatably connected with the blade transmission piece (2) through a variable pitch bearing (4).
3. The hub structure of a small pitch wind turbine as claimed in claim 1, wherein: annular array is equipped with a plurality of adapter sleeve (11) on the outer wall of wheel hub body (1), the quantity of adapter sleeve (11) is the same with the quantity of blade drive spare (2), the inner chamber intercommunication of adapter sleeve (11) and wheel hub body (1), the one end that wheel hub body (1) was kept away from in adapter sleeve (11) is equipped with wheel hub ring flange (12), be equipped with wheel hub safety pinhole (13) on adapter sleeve (11), be equipped with drive spare safety pinhole (22) that suit with wheel hub safety pinhole (13) on blade drive spare (2).
4. The hub structure of a small pitch wind turbine as claimed in claim 1, wherein: blade driving member (2) are including transmission shaft (23), the one end of transmission shaft (23) is equipped with driving medium ring flange (24), and the other end is equipped with spline (25), be equipped with the spline groove that suits with spline (25) on gear (21), the one end that transmission shaft (23) were kept away from in driving medium ring flange (24) is equipped with blade mounting groove (26).
5. A small pitch wind turbine hub structure according to claim 3, wherein: the inner wall of the hub body (1) is provided with a guide table (14) matched with the rack (33), and the guide surface of the guide table (14) is parallel to the axis of the hub flange plate (12).
6. A small pitch wind turbine hub structure according to claim 5, wherein: a grease storage groove (15) is formed in the guide surface of the guide table (14), and a lubricating grease filling port (16) communicated with the grease storage groove (15) is formed in one end of the guide table (14).
7. The hub structure of a small pitch wind turbine as claimed in claim 1, wherein: a copper sleeve (34) which is matched with the push rod (31) is embedded in the hollow main shaft (3).
8. The hub structure of a small pitch wind turbine as claimed in claim 1, wherein: one end of the rack (33) is provided with a mechanical limiting table (35), the other end of the rack is provided with a mounting screw rod (36), and the synchronous fork (32) is provided with a mounting hole matched with the mounting screw rod (36).
9. A method for mounting a hub structure of a small pitch wind turbine according to any one of claims 1 to 8, wherein the method comprises the following steps:
s1, installing the hub body (1) on the hollow main shaft (3), realizing radial positioning between the hub body (1) and the hollow main shaft (3) through a flat key, and fixing the hub body (1) and the hollow main shaft (3) through a shaft shoulder on the hollow main shaft (3) and double locking nuts installed at the end part of the hollow main shaft (3) to realize axial positioning;
s2, fixing the synchronous fork (32) on the push rod (31) through a slotted nut;
s3, fixing one end of the rack (33) on the synchronous fork (32);
s4, installing the blade transmission piece (2) on the hub body (1);
s5, mounting the gear (21) on the blade transmission piece (2) and ensuring that the gear (21) is meshed with the rack (33);
and S6, mounting the blade on the blade transmission piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096839.1A CN112177844A (en) | 2020-10-14 | 2020-10-14 | Hub structure of small variable-pitch wind turbine and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096839.1A CN112177844A (en) | 2020-10-14 | 2020-10-14 | Hub structure of small variable-pitch wind turbine and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112177844A true CN112177844A (en) | 2021-01-05 |
Family
ID=73949966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011096839.1A Pending CN112177844A (en) | 2020-10-14 | 2020-10-14 | Hub structure of small variable-pitch wind turbine and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112177844A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879214A (en) * | 2021-01-12 | 2021-06-01 | 罗国聪 | Small-size fan wind-powered electricity generation wheel hub with automatic oar structure that becomes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090148291A1 (en) * | 2007-12-06 | 2009-06-11 | General Electric Company | Multi-section wind turbine rotor blades and wind turbines incorporating same |
| CN202023698U (en) * | 2011-04-28 | 2011-11-02 | 广州红鹰能源科技有限公司 | Novel unassisted variable-pitch wind driven generator |
| CN203383979U (en) * | 2012-02-16 | 2014-01-08 | 通用电气公司 | Assembly configuration between rotor blade and rotor wheel hub of wind turbine |
| CN204200489U (en) * | 2014-11-10 | 2015-03-11 | 北京金风科创风电设备有限公司 | The wheel hub of wind-driven generator |
| WO2016173304A1 (en) * | 2015-04-27 | 2016-11-03 | 宁波锦浪新能源科技有限公司 | Novel wind turbine linkage variable pitch system |
| CN106968888A (en) * | 2017-06-05 | 2017-07-21 | 湘潭大学 | A kind of small wind turbine vane change device |
| CN110761948A (en) * | 2019-11-22 | 2020-02-07 | 内蒙古工业大学 | Active pitch-changing adjusting device for small and medium-sized wind generating set |
| CN213574451U (en) * | 2020-10-14 | 2021-06-29 | 内蒙古工业大学 | Small-size becomes oar wind energy conversion system wheel hub structure |
-
2020
- 2020-10-14 CN CN202011096839.1A patent/CN112177844A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090148291A1 (en) * | 2007-12-06 | 2009-06-11 | General Electric Company | Multi-section wind turbine rotor blades and wind turbines incorporating same |
| CN202023698U (en) * | 2011-04-28 | 2011-11-02 | 广州红鹰能源科技有限公司 | Novel unassisted variable-pitch wind driven generator |
| CN203383979U (en) * | 2012-02-16 | 2014-01-08 | 通用电气公司 | Assembly configuration between rotor blade and rotor wheel hub of wind turbine |
| CN204200489U (en) * | 2014-11-10 | 2015-03-11 | 北京金风科创风电设备有限公司 | The wheel hub of wind-driven generator |
| WO2016173304A1 (en) * | 2015-04-27 | 2016-11-03 | 宁波锦浪新能源科技有限公司 | Novel wind turbine linkage variable pitch system |
| CN106968888A (en) * | 2017-06-05 | 2017-07-21 | 湘潭大学 | A kind of small wind turbine vane change device |
| CN110761948A (en) * | 2019-11-22 | 2020-02-07 | 内蒙古工业大学 | Active pitch-changing adjusting device for small and medium-sized wind generating set |
| CN213574451U (en) * | 2020-10-14 | 2021-06-29 | 内蒙古工业大学 | Small-size becomes oar wind energy conversion system wheel hub structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879214A (en) * | 2021-01-12 | 2021-06-01 | 罗国聪 | Small-size fan wind-powered electricity generation wheel hub with automatic oar structure that becomes |
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