CN101037988A - Wind-driven generator variable propeller pitch device - Google Patents

Wind-driven generator variable propeller pitch device Download PDF

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Publication number
CN101037988A
CN101037988A CNA2006100460617A CN200610046061A CN101037988A CN 101037988 A CN101037988 A CN 101037988A CN A2006100460617 A CNA2006100460617 A CN A2006100460617A CN 200610046061 A CN200610046061 A CN 200610046061A CN 101037988 A CN101037988 A CN 101037988A
Authority
CN
China
Prior art keywords
worm
wind
driven generator
blade
propeller pitch
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
Application number
CNA2006100460617A
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Chinese (zh)
Inventor
潘建
戴峥峥
吴东辉
金常鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENYANG WIND POWER EQUIPMENT DEVELOPMENT Co Ltd
Original Assignee
SHENYANG WIND POWER EQUIPMENT DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENYANG WIND POWER EQUIPMENT DEVELOPMENT Co Ltd filed Critical SHENYANG WIND POWER EQUIPMENT DEVELOPMENT Co Ltd
Priority to CNA2006100460617A priority Critical patent/CN101037988A/en
Publication of CN101037988A publication Critical patent/CN101037988A/en
Pending legal-status Critical Current

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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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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Abstract

Airscrew pitch variable device of wind driven generator, comprising airscrew blades, a motor, worm, worm wheel, screw bar, synchronous disc, eccentric disc, guide rod and connecting rod. The worm wheel shaft is provided with a screw thread hole, spirally assembled on the screw bar, motor output shaft is jointed with a safe shaft coupling, the motor is connected with the worm by the safe shaft coupling, the worm is engaged with the worm wheel. The screw bar is inserted to a hollow shaft of the generator, front end of which is immovably jointed with the synchronous disc, the synchronous disc is assembled with the guide rod immovably equipped in the hub and is immovably jointed with slide sleeve in the hollow shaft of the generator rotor, connecting rods corresponding to position of each airscrew blade are mounted on the synchronous disc, which is connected with the eccentric disc, the eccentric disc is immovably jointed on airscrew blade flange, which locates on eccentric position apart from axes of the airscrew blades. Airscrew pitch variable device of wind driven generator is formed. Advantages of the invention are: structure is compact and reasonable, transmission is smooth, accuracy is high, fault ratio is low, using life is long and manufacturing cost is low, which is suitable for application on middle-small sized wind driven generators.

Description

A kind of wind-driven generator variable propeller pitch device
(1) technical field
The present invention relates to wind-driven generator, particularly relate to a kind of wind-driven generator variable propeller pitch device.
(2) background technique
Wind-power electricity generation is with its cleanliness without any pollution, the inexhaustible energy, and has irreplaceable effect in many-sides such as prevention accident, military affairs, is the main direction that the current new and renewable sources of energy utilization of China is implemented.In the wind-power electricity generation work,,, require the angle tracking of blower fan blade and windward side to adjust to the optimum state, i.e. feather for obtaining maximum wind energy because the nature wind speed is constantly changing.Variable propeller pitch device is the wind-driven generator important component part, the method that realizes feather has many mechanical drive modes except that fluid power drives, deficiency is that structure is complicated, transmission is steady inadequately, precision is not high, self-locking performance is poor, manufacture cost is high, is not suitable for middle-size and small-size wind-driven generator and uses.
(3) summary of the invention
The technical problem to be solved in the present invention provides a kind of be suitable for and is installed on the middle-size and small-size wind-driven generator, but simple in structure, stable drive, the self-locking of precision height, wind-driven generator variable propeller pitch device that manufacturing expense is low.
The technological scheme that adopts is:
A kind of wind-driven generator variable propeller pitch device comprises blade, motor, worm screw, worm gear, leading screw, synchronous disk, eccentric disc, guide rod, connecting rod.Described worm gear is axially arranged with tapped hole, and spiral is assemblied on the leading screw, motor output shaft attachment security coupling, and motor is connected with worm screw by safety coupling, the worm and wheel engagement.Described leading screw installs into the generator amature hollow shaft, its front end is fixedlyed connected with synchronous disk, synchronous disk be located in the wheel hub the guide rod assembling again be located at the generator amature hollow shaft in sliding sleeve fixedly connected, be equipped with on the synchronous disk and the corresponding connecting rod of each blade position, connecting rod connects eccentric disc, eccentric disc is fixedly connected on the blade flange, is positioned at the eccentric position that departs from mutually with blade-span axis, constitutes wind-driven generator variable propeller pitch device.
Above-mentioned leading screw rear portion is provided with the restriction blade and rotates limit switch maximum and minimum position.
The also available gear of above-mentioned worm gear, worm transmission structure, tooth bar drive mechanism.
Advantage of the present invention is: compact structure rationally, low, the long service life of stable drive, precision height, rate of fault, manufacturing expense be low, is adapted at using on the middle-size and small-size wind-driven generator.
(4) description of drawings
Fig. 1 is a structural representation of the present invention.
(5) embodiment
A kind of wind-driven generator variable propeller pitch device comprises blade 14, motor 1, worm screw 3, worm gear 4, leading screw 5, synchronous disk 9, eccentric disc 12, guide rod 10, connecting rod 11.Described worm gear 4 is axially arranged with tapped hole, and spiral is assemblied on the leading screw 5, motor 1 output shaft attachment security coupling 2, and motor 1 is connected with worm screw 3 by safety coupling 2, worm screw 3 and worm gear 4 engagements.Described leading screw 5 rear portions are provided with restriction blade 14 and rotate limit switch 6 maximum and minimum position, its front portion installs into generator amature hollow shaft 7, its front end is fixedlyed connected with synchronous disk 9, synchronous disk 9 be located in the wheel hub guide rod 10 assemblings again be located at generator amature hollow shaft 7 in sliding sleeve 8 fixedly connected, be equipped with on the synchronous disk 9 and three corresponding three connecting rods 11 in blade 14 positions, connecting rod 11 connects eccentric disc 12, eccentric disc 12 is fixedly connected on the blade flange 13, be positioned at the eccentric position that blade-span axis departs from mutually, constitute wind-driven generator variable propeller pitch device.
Working principle: variable propeller pitch device is the actuator of feather, when wind speed changes, anemoscope is delivered to control centre to the wind speed status information, control centre sends command control motor 1 and drives worm screw 3 rotations, drive worm gear 4 deceleration rotations, make screw mandrel 5 do straight reciprocating motion, do with the fixing synchronous disk 9 of leading screw 5 and to move forward and backward, the connecting rod 11 push-and-pull eccentric discs 12 that are equipped with on the synchronous disk 9, eccentric disc 12 is fixed on blade flange 13 eccentric positions, realize that three blades 14 rotate synchronously, changed the angle of blower fan blade and windward side, limit maximum and the minimum position that blade rotates with limit switch 6.

Claims (3)

1, a kind of wind-driven generator variable propeller pitch device, comprise blade (14), motor (1), worm screw (3), worm gear (4), leading screw (5), synchronous disk (9), eccentric disc (12), guide rod (10), connecting rod (11), it is characterized in that described worm gear (4) is axially arranged with tapped hole, spiral is assemblied on the leading screw (5), motor (1) output shaft attachment security coupling (2), motor (1) is connected with worm screw (3) by safety coupling (2), worm screw (3) and worm gear (4) engagement, described leading screw (5) installs into generator amature hollow shaft (7), its front end is fixedlyed connected with synchronous disk (9), synchronous disk (9) guide rod (10) assembling again be located at generator amature hollow shaft (7) the interior sliding sleeve (8) interior with being located at wheel hub fixedlyed connected, be equipped with on the synchronous disk (9) and each blade (14) corresponding each connecting rod in position (11), connecting rod (11) connects eccentric disc (12), eccentric disc (12) is fixedly connected on the blade flange (13), be positioned at the eccentric position that departs from mutually with blade-span axis, constitute wind-driven generator variable propeller pitch device.
2, a kind of wind-driven generator variable propeller pitch device according to claim 1 is characterized in that described leading screw rear portion is provided with restriction blade (14) and rotates limit switch (6) maximum and minimum position.
3, a kind of wind-driven generator variable propeller pitch device according to claim 1 is characterized in that the also available gear of described worm gear, worm transmission structure, tooth bar drive mechanism.
CNA2006100460617A 2006-03-16 2006-03-16 Wind-driven generator variable propeller pitch device Pending CN101037988A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2006100460617A CN101037988A (en) 2006-03-16 2006-03-16 Wind-driven generator variable propeller pitch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006100460617A CN101037988A (en) 2006-03-16 2006-03-16 Wind-driven generator variable propeller pitch device

Publications (1)

Publication Number Publication Date
CN101037988A true CN101037988A (en) 2007-09-19

Family

ID=38889088

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006100460617A Pending CN101037988A (en) 2006-03-16 2006-03-16 Wind-driven generator variable propeller pitch device

Country Status (1)

Country Link
CN (1) CN101037988A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101235800B (en) * 2007-11-16 2010-06-02 黄金伦 Teeth bar lead screw synchronous variable pitch
CN101852173A (en) * 2010-06-04 2010-10-06 浙江华鹰风电设备有限公司 Downwind pitch-controlled wind-driven generator
CN102042180A (en) * 2010-12-17 2011-05-04 新疆金风科技股份有限公司 Wind-driven generator
CN101429926B (en) * 2007-11-07 2011-06-22 王光顺 Flexible variable propeller mechanism of aerogenerator
CN102434389A (en) * 2011-11-24 2012-05-02 浙江华鹰风电设备有限公司 Pitch-changing linear driving mechanism of small and medium size wind driven generator
CN102606399A (en) * 2012-03-07 2012-07-25 季志刚 Wind power generator unit for automatically regulating blade angle according to strength of wind power
CN101446267B (en) * 2008-12-25 2012-10-03 浙江华鹰风电设备有限公司 Active pitch-controlled wind turbine
WO2013029277A1 (en) * 2011-09-02 2013-03-07 上海致远绿色能源有限公司 Multi-blade single-drive synchronous pitch-changing device
CN102996344A (en) * 2012-11-30 2013-03-27 张成革 Pitch changing and periodical pitch changing device of downwind wind driven generator
CN103047084A (en) * 2012-12-22 2013-04-17 广州红鹰能源科技有限公司 Umbrella-type wind power generating set and working method
CN103174586A (en) * 2011-12-22 2013-06-26 大银微***股份有限公司 Blade pitch angle control mechanism of wind driven generator
CN103403347A (en) * 2011-03-11 2013-11-20 Thk株式会社 Wind turbine generator
EP2674611A3 (en) * 2012-06-15 2015-03-25 Gamesa Innovation & Technology, S.L. Fastening system for wind turbines and corresponding installation methods
CN105383691A (en) * 2015-12-24 2016-03-09 上海埃威航空电子有限公司 Motor used for multi-rotor-wing unmanned aerial vehicle power device
CN110131376A (en) * 2019-06-04 2019-08-16 恒钛(天津)机械制造有限公司 A kind of cylindrical pair guide rail
CN112576448A (en) * 2021-01-14 2021-03-30 上海线超启电线电缆有限公司 Wind power generation device capable of adjusting wind area of blade according to wind power

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101429926B (en) * 2007-11-07 2011-06-22 王光顺 Flexible variable propeller mechanism of aerogenerator
CN101235800B (en) * 2007-11-16 2010-06-02 黄金伦 Teeth bar lead screw synchronous variable pitch
CN101446267B (en) * 2008-12-25 2012-10-03 浙江华鹰风电设备有限公司 Active pitch-controlled wind turbine
CN101852173A (en) * 2010-06-04 2010-10-06 浙江华鹰风电设备有限公司 Downwind pitch-controlled wind-driven generator
WO2011150756A1 (en) * 2010-06-04 2011-12-08 浙江华鹰风电设备有限公司 Downwind variable pitch wind motor
CN102042180A (en) * 2010-12-17 2011-05-04 新疆金风科技股份有限公司 Wind-driven generator
CN102042180B (en) * 2010-12-17 2012-06-20 新疆金风科技股份有限公司 Wind-driven generator
CN103403347A (en) * 2011-03-11 2013-11-20 Thk株式会社 Wind turbine generator
US9410531B2 (en) 2011-03-11 2016-08-09 Thk Co., Ltd. Wind turbine generator
CN103403347B (en) * 2011-03-11 2016-06-08 Thk株式会社 Wind power generation plant
US9322284B2 (en) 2011-09-02 2016-04-26 Jin Peng Liu Mechanism for synchronously varying pitch of a multi-blade rotor
WO2013029277A1 (en) * 2011-09-02 2013-03-07 上海致远绿色能源有限公司 Multi-blade single-drive synchronous pitch-changing device
CN102434389A (en) * 2011-11-24 2012-05-02 浙江华鹰风电设备有限公司 Pitch-changing linear driving mechanism of small and medium size wind driven generator
CN103174586A (en) * 2011-12-22 2013-06-26 大银微***股份有限公司 Blade pitch angle control mechanism of wind driven generator
CN102606399A (en) * 2012-03-07 2012-07-25 季志刚 Wind power generator unit for automatically regulating blade angle according to strength of wind power
CN103511194B (en) * 2012-06-15 2018-05-29 歌美飒创新技术公司 Fastening system and corresponding installation method for wind turbine
EP2674611A3 (en) * 2012-06-15 2015-03-25 Gamesa Innovation & Technology, S.L. Fastening system for wind turbines and corresponding installation methods
CN102996344B (en) * 2012-11-30 2014-12-03 张成革 Pitch changing and periodical pitch changing device of downwind wind driven generator
CN102996344A (en) * 2012-11-30 2013-03-27 张成革 Pitch changing and periodical pitch changing device of downwind wind driven generator
CN103047084B (en) * 2012-12-22 2015-07-29 广州红鹰能源科技股份有限公司 A kind of umbrella-shaped wind driven generator group and method of work
CN103047084A (en) * 2012-12-22 2013-04-17 广州红鹰能源科技有限公司 Umbrella-type wind power generating set and working method
CN105383691A (en) * 2015-12-24 2016-03-09 上海埃威航空电子有限公司 Motor used for multi-rotor-wing unmanned aerial vehicle power device
CN105383691B (en) * 2015-12-24 2017-07-28 上海埃威航空电子有限公司 Motor for multi-rotor unmanned aerial vehicle power set
CN110131376A (en) * 2019-06-04 2019-08-16 恒钛(天津)机械制造有限公司 A kind of cylindrical pair guide rail
CN112576448A (en) * 2021-01-14 2021-03-30 上海线超启电线电缆有限公司 Wind power generation device capable of adjusting wind area of blade according to wind power
CN112576448B (en) * 2021-01-14 2023-01-13 福建省晋江风电开发有限公司 Wind power generation device capable of adjusting wind area of blade according to wind power

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Open date: 20070919