CN110131098A - A kind of variable pitch wind power generation blade - Google Patents
A kind of variable pitch wind power generation blade Download PDFInfo
- Publication number
- CN110131098A CN110131098A CN201910143469.3A CN201910143469A CN110131098A CN 110131098 A CN110131098 A CN 110131098A CN 201910143469 A CN201910143469 A CN 201910143469A CN 110131098 A CN110131098 A CN 110131098A
- Authority
- CN
- China
- Prior art keywords
- actuating sleeve
- blade
- connecting pin
- power generation
- wind power
- 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
- 238000010248 power generation Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/60—Control system actuates through
- F05B2270/604—Control system actuates through hydraulic actuators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of variable pitch wind power generation blades, including mounting base, blade, hydraulic cylinder, actuating sleeve, drive shaft, driving plate and connecting pin, the hydraulic cylinder is fixed in mounting base, and the output shaft of hydraulic cylinder is fixedly connected with actuating sleeve, side is installed there are three setting in mounting base, three installation edges the circumferencial direction of actuating sleeve be uniformly distributed, three drive shafts are respectively corresponded to be rotatably connected on three installation sides by bearing, and one end of every drive shaft is fixedly connected with blade, the other end is fixedly connected with driving plate, three connecting pins are uniformly distributed along the circumferencial direction of actuating sleeve, and the bottom end correspondence of a connecting pin is hinged in a driving plate, the top of connecting pin is hinged on the outer wall of actuating sleeve.The pitch regulated of three blades can be realized by a hydraulic cylinder by the present invention, and simple and reasonable for structure, compact, using effect is good, easy to adjust.
Description
Technical field:
The present invention relates to a kind of variable pitch wind power generation blades.
Background technique:
Structure is complicated for the pitch regulated of existing wind power generation blade, and a blade needs a hydraulic cylinder de-regulation, knot
Structure is complicated, and space occupied by the adjusting mounting structure of blade is big, and structure is not compact, and using effect is bad.Therefore, it is necessory to
The prior art is improved to solve the deficiency of the prior art.
Summary of the invention:
The present invention is to provide a kind of variable pitch wind power generation blade to solve the above-mentioned problems of the prior art.
The technical solution adopted in the present invention has: a kind of variable pitch wind power generation blade, including mounting base, blade, liquid
Cylinder pressure, actuating sleeve, drive shaft, driving plate and connecting pin, the hydraulic cylinder are fixed in mounting base, and the output shaft of hydraulic cylinder with
Actuating sleeve is fixedly connected, and is set in mounting base there are three installing side, three installation edges the circumferencial direction of actuating sleeve uniformly divide
Cloth, three drive shafts are respectively corresponded to be rotatably connected on three installation sides by bearing, and one end of every drive shaft and blade
It is fixedly connected, the other end is fixedly connected with driving plate, and three connecting pins are uniformly distributed along the circumferencial direction of actuating sleeve, and one
The bottom end correspondence of connecting pin is hinged in a driving plate, and the top of connecting pin is hinged on the outer wall of actuating sleeve.
Further, connected unit there are three setting on the outer wall of the actuating sleeve, the top of connecting pin is hinged in connected unit.
Further, the axis of the connecting pin and the axis of actuating sleeve are parallel.
Further, the end of the blade is equipped with fixed ear, and limiting slot is equipped in fixed ear, in driving the tip of the axis
Fixed block equipped with U-shape, is equipped with limited block on the inner wall of fixed block, and the limited block is connected in limiting slot.
Further, the driving plate is equipped with sliding slot, and sliding pin is equipped on the outer wall of connecting pin, and sliding pin stretches in sliding slot
It is interior.
Further, the driving plate is equipped with interconnecting piece, and locking slot, interconnecting piece clamping are equipped on the end face of drive shaft
In in locking slot, and it is fixedly connected between interconnecting piece and locking slot by screw.
The invention has the following beneficial effects:
The pitch regulated of three blades can be realized by a hydraulic cylinder by the present invention, simple and reasonable for structure, compact, make
It is good with effect, it is easy to adjust.
Detailed description of the invention:
Fig. 1 is structure of the invention figure.
Fig. 2 is the fixed structure chart of drive shaft and blade in the present invention.
Specific embodiment:
The present invention will be further described below with reference to the drawings.
Such as Fig. 1 to Fig. 2, a kind of variable pitch wind power generation blade of the present invention, including mounting base 1, blade 2, hydraulic cylinder 3,
Actuating sleeve 4, drive shaft 5, driving plate 6 and connecting pin 7, hydraulic cylinder 3 are fixed in mounting base 1, and the output shaft of hydraulic cylinder 3 with
Actuating sleeve 4 is fixedly connected, and is set in mounting base 1 there are three side 11 is installed, three are installed sides 11 along the circumferencial direction of actuating sleeve 4
It being uniformly distributed, three drive shafts 5 are respectively corresponded to be rotatably connected on three installation sides 11 by bearing, and every drive shaft 5
One end is fixedly connected with blade 2, and the other end is fixedly connected with driving plate 6, three connecting pins 7 along actuating sleeve 4 circumferencial direction
It is uniformly distributed, and the bottom end correspondence of a connecting pin 7 is hinged in a driving plate 6, the top of connecting pin 7 is hinged on driving
On the outer wall of set 4.
To be connected on actuating sleeve 4 convenient for connecting pin 7, set on the outer wall of actuating sleeve 4 there are three connected unit 41, connecting pin
7 top is hinged in connected unit 41.The axis of connecting pin 7 is parallel with the axis of actuating sleeve 4.
The present invention be so that drive shaft connect with blade it is relatively reliable, the end of blade 2 be equipped with fixed ear 21, in fixation
Ear 21 is equipped with limiting slot 22, is equipped with the fixed block 51 of U-shape in the end of drive shaft 5, is equipped on the inner wall of fixed block 51
Limited block 52, limited block 52 are connected in limiting slot 22.By the mutual cooperation of limited block 52 and limiting slot 22, blade 2 is avoided
Dislocation movement occurs, connects relatively reliable.
It is equipped with sliding slot in driving plate 6, sliding pin is equipped on the outer wall of connecting pin 7, sliding pin stretches in sliding slot.
For being fixedly connected convenient for driving plate 6 and drive shaft 5, interconnecting piece is equipped in driving plate 6, at the end of drive shaft 5
Face is equipped with locking slot, and interconnecting piece is connected in locking slot, and is fixedly connected between interconnecting piece and locking slot by screw.
In use, hydraulic cylinder 3 drives actuating sleeve 4 to move up and down, actuating sleeve 4 is driven by driving plate 6 and connecting pin 7, driving
Moving axis 5 rotates, and blade 2 is then made to rotate, and realizes the pitch regulated of wind power generation blade.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as of the invention
Protection scope.
Claims (6)
1. a kind of variable pitch wind power generation blade, it is characterised in that: including mounting base (1), blade (2), hydraulic cylinder (3), drive
Dynamic set (4), drive shaft (5), driving plate (6) and connecting pin (7), the hydraulic cylinder (3) are fixed on mounting base (1), and hydraulic
The output shaft of cylinder (3) is fixedly connected with actuating sleeve (4), set on mounting base (1) there are three install side (11), three installation sides
(11) it is uniformly distributed along the circumferencial direction of actuating sleeve (4), three drive shafts (5) respectively correspond and are rotatably connected on three by bearing
On a installation side (11), and one end of every drive shaft (5) is fixedly connected with blade (2), the other end and driving plate (6) fixed company
It connects, three connecting pins (7) are uniformly distributed along the circumferencial direction of actuating sleeve (4), and the bottom end of a connecting pin (7) is corresponding hinged
On a driving plate (6), the top of connecting pin (7) is hinged on the outer wall of actuating sleeve (4).
2. variable pitch wind power generation blade as described in claim 1, it is characterised in that: on the outer wall of the actuating sleeve (4)
If there are three connected unit (41), the top of connecting pin (7) is hinged on connected unit (41).
3. variable pitch wind power generation blade as described in claim 1, it is characterised in that: the axis of the connecting pin (7) with
The axis of actuating sleeve (4) is parallel.
4. variable pitch wind power generation blade as described in claim 1, it is characterised in that: the end of the blade (2) is equipped with
Fixed ear (21) is equipped with limiting slot (22) on fixed ear (21), is equipped with the fixed block of U-shape in the end of drive shaft (5)
(51), limited block (52) are equipped on the inner wall of fixed block (51), the limited block (52) is connected in limiting slot (22).
5. variable pitch wind power generation blade as described in claim 1, it is characterised in that: the driving plate (6), which is equipped with, to be slided
Slot (61), is equipped with sliding pin on the outer wall of connecting pin (7), and sliding pin stretches in sliding slot (61).
6. variable pitch wind power generation blade as described in claim 1, it is characterised in that: the driving plate (6), which is equipped with, to be connected
Socket part (62) is equipped with locking slot (55) on the end face of drive shaft (5), and interconnecting piece (62) is connected in locking slot (55), and even
It is fixedly connected between socket part (62) and locking slot (55) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143469.3A CN110131098A (en) | 2019-02-26 | 2019-02-26 | A kind of variable pitch wind power generation blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143469.3A CN110131098A (en) | 2019-02-26 | 2019-02-26 | A kind of variable pitch wind power generation blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131098A true CN110131098A (en) | 2019-08-16 |
Family
ID=67568482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910143469.3A Pending CN110131098A (en) | 2019-02-26 | 2019-02-26 | A kind of variable pitch wind power generation blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131098A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2595417A1 (en) * | 1986-03-04 | 1987-09-11 | Curtila Serge | Device with blades of the turbine, fan, pump or other type |
| CN101324220A (en) * | 2008-07-17 | 2008-12-17 | 无锡宝南机器制造有限公司 | Paddle changing mechanism of wind power generator |
| CN101424249A (en) * | 2007-10-31 | 2009-05-06 | 上海驰风机电科技有限公司 | Wind motor vane propeller-changing device |
| CN201246274Y (en) * | 2008-08-29 | 2009-05-27 | 江苏苏亚机电制造有限公司 | Hydraulic variable pitch transmission mechanism of wind generating set |
| CN101720389A (en) * | 2008-06-10 | 2010-06-02 | 三菱重工业株式会社 | Blade pitch angle control device and wind turbine generator |
| CN101861461A (en) * | 2008-12-19 | 2010-10-13 | 三菱重工业株式会社 | Pitch drive apparatus for wind power generating apparatus and wind power generating apparatus |
| CN201650590U (en) * | 2010-01-07 | 2010-11-24 | 上海戈林机电科技有限公司 | Linkage variable-pitch structure of wind turbine |
| US20110193343A1 (en) * | 2010-02-08 | 2011-08-11 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator and blade pitch angle control method thereof |
| US20120134801A1 (en) * | 2010-11-25 | 2012-05-31 | Mitsubishi Heavy Industries, Ltd. | Blade pitch controller, wind turbine generator, and method of controlling blade pitch |
-
2019
- 2019-02-26 CN CN201910143469.3A patent/CN110131098A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2595417A1 (en) * | 1986-03-04 | 1987-09-11 | Curtila Serge | Device with blades of the turbine, fan, pump or other type |
| CN101424249A (en) * | 2007-10-31 | 2009-05-06 | 上海驰风机电科技有限公司 | Wind motor vane propeller-changing device |
| CN101720389A (en) * | 2008-06-10 | 2010-06-02 | 三菱重工业株式会社 | Blade pitch angle control device and wind turbine generator |
| CN101324220A (en) * | 2008-07-17 | 2008-12-17 | 无锡宝南机器制造有限公司 | Paddle changing mechanism of wind power generator |
| CN201246274Y (en) * | 2008-08-29 | 2009-05-27 | 江苏苏亚机电制造有限公司 | Hydraulic variable pitch transmission mechanism of wind generating set |
| CN101861461A (en) * | 2008-12-19 | 2010-10-13 | 三菱重工业株式会社 | Pitch drive apparatus for wind power generating apparatus and wind power generating apparatus |
| CN201650590U (en) * | 2010-01-07 | 2010-11-24 | 上海戈林机电科技有限公司 | Linkage variable-pitch structure of wind turbine |
| US20110193343A1 (en) * | 2010-02-08 | 2011-08-11 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator and blade pitch angle control method thereof |
| US20120134801A1 (en) * | 2010-11-25 | 2012-05-31 | Mitsubishi Heavy Industries, Ltd. | Blade pitch controller, wind turbine generator, and method of controlling blade pitch |
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