CN109268208A - A kind of blade damping device of wind-driven generator - Google Patents

A kind of blade damping device of wind-driven generator Download PDF

Info

Publication number
CN109268208A
CN109268208A CN201811419026.4A CN201811419026A CN109268208A CN 109268208 A CN109268208 A CN 109268208A CN 201811419026 A CN201811419026 A CN 201811419026A CN 109268208 A CN109268208 A CN 109268208A
Authority
CN
China
Prior art keywords
sleeve
wind
limit plate
blade
driven generator
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
CN201811419026.4A
Other languages
Chinese (zh)
Inventor
刘鑫
郑清瀚
吴嵩松
史绍平
马强
张管武
闫姝
陈新明
郭雨桐
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.)
Huaneng Rudong Eight Immortals Sea Wind Power Co Ltd
Huaneng Clean Energy Research Institute
Original Assignee
Huaneng Rudong Eight Immortals Sea Wind Power Co Ltd
Huaneng Clean Energy Research Institute
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 Huaneng Rudong Eight Immortals Sea Wind Power Co Ltd, Huaneng Clean Energy Research Institute filed Critical Huaneng Rudong Eight Immortals Sea Wind Power Co Ltd
Priority to CN201811419026.4A priority Critical patent/CN109268208A/en
Publication of CN109268208A publication Critical patent/CN109268208A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0296Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (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 blade damping devices of wind-driven generator, including limit plate, slide bar, fixed block and sleeve;The sleeve is used to connect the blade of wind-driven generator, and root of blade is fixed on sleeve, and sleeve is set in rotation axis one end of wind-driven generator, and sleeve can sliding axially along rotation axis;The limit plate is fixed on the rotating shaft, and one end of the slide bar and sleeve connection, the other end pass through limit plate and is connected with fixed block;It is provided with the first elastic component between the limit plate and sleeve, the second elastic component is provided between the fixed block and limit plate.Damping device in this way, when encountering big wind condition, strong wind blows blade, apply one along axial power to blade, so that the spring between limit plate and baffle is extruded, the spring between fixed block and limit plate is stretched, and then it can effectively play damping, buffering function, it avoids because wind leads to greatly blade damage, causes economic damage, it is ensured that safety.

Description

A kind of blade damping device of wind-driven generator
Technical field
The present invention relates to technical field of wind power generation, and in particular to a kind of blade damping device of wind-driven generator.
Background technique
Under current the non-renewable energy resources increasingly global context of shortage, weather change dramatically, environment worsening, wind energy Make to come renewable, the environmentally protective energy by various countries' highest attention, also will be the Main way of the current utilization of new energy resources in China.? In wind-power electricity generation, since the wind speed of nature is varied, under big wind regime, blade is blown by force by wind-force, is not being subtracted In the state of shake, the damage of blade will cause, economic loss is big, and safety is low.
Summary of the invention
For problem of the prior art, the present invention provides a kind of blade damping device of wind-driven generator, the purpose is to Under big wind condition, reduce the vibration of blade by damping device, blade is avoided to be damaged, reduces unnecessary economic damage It loses, guarantees safety.
To solve the above problems, the present invention is resolved by the following technical programs:
A kind of blade damping device of wind-driven generator, including limit plate, slide bar, fixed block and sleeve;
The sleeve is used to connect the blade of wind-driven generator, and root of blade is fixed on sleeve, and sleeve is set in wind-force Rotation axis one end of generator, and sleeve can sliding axially along rotation axis;
The limit plate is fixed on the rotating shaft, and one end of the slide bar and sleeve connection, the other end connect across limit plate It is connected to fixed block;It is provided with the first elastic component between the limit plate and sleeve, is provided between the fixed block and limit plate Second elastic component.
Further, it in the bearing that the setting of the rotation axis other end is fixed on the supporting plate, is also arranged on the sleeve Ring, and can be relatively rotated between the sleeve and lantern ring, third elasticity is connected between the extension end and support plate of the lantern ring Part.
Further, the damping device further includes the first retaining ring, and two first shield ring sleeves are on sleeve, and and sleeve Be fixedly connected, form card slot between two first retaining rings, the lantern ring is set on sleeve, and lantern ring setting two first retaining rings it Between in the card slot that is formed.
Further, the contact surface of the lantern ring and the first retaining ring is provided with ball, the contact surface of the lantern ring and sleeve It is provided with ball.
Further, the extension end of the lantern ring is fixedly connected with fixed plate, and the fixed plate is connected with slide cartridge, and described Three elastic components are arranged in the slide cartridge;
The damping device further includes cross bar, and one end of the cross bar is fixed on the supporting plate, and the other end is from the end of slide cartridge Portion's opening is protruded into the slide cartridge and is offseted with third elastic component one end, the third elastic component other end and slide cartridge bottom It offsets.
It further, further include sliding block, the sliding block is arranged between the third elastic component and the cross bar, and described Sliding block is fixedly connected with the cross bar;The open-ended area of the slide cartridge is less than the cross-sectional area of the sliding block.
Further, first elastic component is spring, is set on the slide bar between limit plate and sleeve;Described second Elastic component is spring, is set on the slide bar between limit plate and fixed block.
Further, it is provided with baffle on the sleeve, is attached between the slide bar and sleeve by baffle, it is described Several and slide bar corresponding matching through-hole is offered on limit plate.
Further, one end of the rotation axis is pierced by sleeve and is fixedly connected with block, between the block and sleeve Rotation axis on be arranged with the second retaining ring, the second retaining ring is pressed on sleeve by block;The other end of rotation axis is fixedly connected with First turntable.
Further, the section of the rotation axis between the limit plate and block is square-section, sleeve inner ring and rotation The matching of axis outer ring.
Compared with prior art, the present invention at least has the advantages that the present invention includes limit plate, slide bar, fixation Block and sleeve, sleeve are used to connect the blade of wind-driven generator, and root of blade is fixed on sleeve, and sleeve is set in wind-power electricity generation Rotation axis one end of machine, and sleeve can sliding axially along rotation axis;Limit plate is fixed on the rotating shaft, one end of slide bar and set Cylinder connection, the other end pass through limit plate and are connected with fixed block;Be provided with the first elastic component between limit plate and sleeve, fixed block with The second elastic component is provided between limit plate.Damping device in this way, when encountering big wind condition, strong wind blows blade, Apply one along axial power to blade, so that sleeve slides to limit plate along rotation axis, so that sleeve pushes slide bar The movement of relative limit plate, at this point, the first elastic component between limit plate and sleeve is extruded, between fixed block and limit plate the Two elastic components are stretched, i.e. the first elastic component and the second elastic component give one, sleeve and the opposite effect of sleeve glide direction Power, and then damping, buffering function can be effectively played, it avoids because wind leads to greatly blade damage, causes economic damage, it is ensured that safety.
Further, in the bearing that the setting of the rotation axis other end is fixed on the supporting plate, lantern ring is also arranged on sleeve, and It can be relatively rotated between sleeve and lantern ring, be connected with third elastic component between the extension end and support plate of lantern ring.When encountering strong wind When situation, strong wind blows blade, applies one along axial power, so that sleeve slides to the direction of support plate, and then band to blade Lantern ring is moved close to support plate, so that the third elastic component connected between the extension end and support plate of lantern ring is extruded, i.e., the Three elastic components to one, sleeve and sleeve glide direction opposite effect power, and then it is significantly more efficient play damping, buffering function, It avoids because wind leads to greatly blade damage, causes economic damage, it is ensured that safety;In addition, the setting of two sets of shock mitigation systems, is similar to more Point support, in vane stress imbalance, can play the role of preventing blade from toppling.
Further, damping device further includes the first retaining ring, and two first shield ring sleeves are fixed with sleeve and connected on sleeve It connects, forms card slot between two first retaining rings, lantern ring is set on sleeve, and the card formed between two first retaining rings is arranged in lantern ring In slot.Lantern ring is fixed by the card slot formed between two the first retaining rings, it is convenient and secured, it is easily installed and dismantles.
Further, the contact surface of lantern ring and the first retaining ring is provided with ball and lantern ring and the contact surface of sleeve is arranged There is ball, ball can effectively reduce frictional force, and ensure that the course of work is reliable and stable, and then extend making for damping device Use the service life.
Further, the extension end of lantern ring is fixedly connected with fixed plate, and slide cartridge is connected in fixed plate, and third elastic component is set It sets in the slide cartridge;Damping device further includes cross bar, and one end of cross bar is fixed on the supporting plate, and the other end is from the end of slide cartridge Opening is protruded into the slide cartridge and is offseted with third elastic component one end, and the third elastic component other end offsets with slide cartridge bottom. Guiding and positioning function can be played by slide cartridge, it is ensured that the stability of equipment in shock absorbing process enhances damping effect.
Further, damping device further includes sliding block, and sliding block is arranged between third elastic component and cross bar, and sliding block and cross Bar is fixedly connected, because the open-ended area of slide cartridge is less than the cross-sectional area of the sliding block, this ensure that will not go out The problem of existing sliding block is skidded off from slide cartridge, that is, ensure to occur cross bar and be detached from from slide cartridge, cause appearance position automatic The problem of reduction.
Further, the first elastic component is spring, is set on the slide bar between limit plate and sleeve;Second elastic component is Spring is set on the slide bar between limit plate and fixed block.Pass through slide bar spring being set between limit plate and sleeve It above and is set on the slide bar between limit plate and fixed block, slide bar effectively can play guiding and fixed reinforcement to spring Effect prevents spring excessive deformation and influences the spring function of spring.
Further, it is provided with baffle on sleeve, is attached between slide bar and sleeve by baffle, is opened on limit plate Equipped with several and slide bar corresponding matching through-hole, this ensure that straight line when doing linear relative movement between slide bar and limit plate Degree avoids the problem of card resistance occurs between slide bar and limit plate.
Further, the section of the rotation axis between limit plate and block is square-section, outside sleeve inner ring and rotation axis Circle matching both ensure that sleeve was able to drive rotation axis in rotation and rotates together in this way, meanwhile, and do not interfere with sleeve and turning The sliding of the axial direction of moving axis.
Detailed description of the invention
Fig. 1 is the schematic diagram of structure of the present invention;
In figure: 1- sleeve;2- rotation axis;The second retaining ring of 3-;4- block;5- blade;The first retaining ring of 6-;7- lantern ring;8- rolling Pearl;9- fixed plate;10- slide cartridge;11- third spring;12- sliding block;13- cross bar;14- support plate;15 second retaining rings;16- first Turntable;17- belt;18- generator;19 second turntables;20- fixed block;21- second spring;22- slide bar;23- limit plate;24- Baffle;The first spring of 25-.
Specific embodiment
With reference to the accompanying drawings and detailed description, detailed explanation is made to the present invention:
As shown in Figure 1, the present invention includes sleeve 1 and rotation axis 2, rotation axis 2 is arranged in sleeve 1, sleeve 1 can be along rotation Axis 2 slides axially, and 2 one end of rotation axis is pierced by sleeve 1 and is fixedly connected with block 4, is cased with second in the rotation axis 2 of 4 side of block Retaining ring 3, the side of the second retaining ring 3 and one end of sleeve 1 are fitted and connected;2 other end of rotation axis is pierced by sleeve 1 and sequentially passes through limit Plate 23, support plate 14 and the first turntable 16.The section of rotation axis 2 between limit plate 23 and block 4 be it is rectangular, remaining for circle Section, inside sleeve 1 also for the matched square-section in 2 square-section of rotation axis, in this way, sleeve 1 only has edge in rotation axis 2 Axial freedom degree, i.e. sleeve 1 can only sliding axially along rotation axis 2.Limit plate 23 in the present invention is disk, the first turntable 16 and disk be fixedly connected with rotation axis 2, support plate 14 and the rotation of rotation axis 2 connect, i.e. 2 relative support plate of rotation axis, 14 energy Enough rotations.It is fixedly connected to the second retaining ring 15 in the rotation axis 2 of 14 two sides of support plate and is bonded with it, the side of support plate 14 It is fixedly connected with generator 18, the shaft of generator 18 is fixedly connected with the second turntable 19, the second turntable 19 and the first turntable 16 It is sequentially connected by belt 17.
Sleeve 1 is fixedly connected with several blades 5 on one end of the second retaining ring 3, multiple blades 5 in same plane, It is fixedly connected on sleeve 1 between blade 5 and baffle 24 there are two the first retaining ring 6, on the sleeve 1 between two the first retaining rings 6 Rotation is connected with lantern ring 7, i.e. sleeve 1 can be rotated relative to lantern ring 7.The side of lantern ring 7 is bonded with the first retaining ring 6, lantern ring 7 and The contact position of one retaining ring 6 and sleeve 1 is embedded with several balls 8, and ball 8 can effectively reduce frictional force, and then extend and subtract Shake the service life of device.The bottom end of lantern ring 7 is fixedly connected with fixed plate 9, and the side of fixed plate 9 is fixedly connected with slide cartridge 10, Sliding block 12 is slidably connected in slide cartridge 10, and third spring 11, the side of sliding block 12 are fixedly connected between sliding block 12 and fixed plate 9 It is fixedly connected with cross bar 13, one end of cross bar 13 is pierced by slide cartridge 10 and is fixedly connected with 14 side of support plate.
It is fixed with baffle 24 on the sleeve 1 of 7 side of lantern ring, is fixedly connected at the top and bottom of the side of baffle 24 Slide bar 22, offers on limit plate 23 several with 22 corresponding matching of slide bar through-hole, and one end of slide bar 22 passes through limit plate 23 Through-hole is simultaneously fixedly connected with fixed block 20, and second spring 21, second spring 21 are fixedly connected between fixed block 20 and disk 23 It covers on slide bar 22, the first spring 25 is fixedly connected between limit plate 23 and baffle 24, the first 25 sets of spring is on slide bar 22.
The operation principle of the present invention is that: in the use of the present invention, rotated by the blade 5 on extraneous wind blows sleeve 1, The device being fixedly connected on sleeve 1 follows synchronous rotary, because the rotation axis 2 between disk 23 and block 4 is square-section, institute It is and then rotated with will drive rotation axis 2, the first turntable 16 is rotated at this time, is sequentially connected the second turntable 19 by belt 17 Rotation, so that generator 18 is operated, converts wind energy into electric energy.In rotary course, the first retaining ring 6 is driven in sleeve 1 When rotation, the ball 8 on lantern ring 7 can effectively reduce frictional force, when encountering strong wind, blow the force of blade 5, drive sleeve 1 slides to 14 direction of support plate, and then drives fixed plate 9 and 10 synchronous slide of slide cartridge, and sliding block 12 can be made to third spring 11 Extruding is generated, while baffle 24 slides on disk 23 with moving slide-bar 22, this process can also generate extruding to the first spring 25, right Second spring 21 generates stretching, and then more springs operate simultaneously, effectively play damping, buffering function, avoid because wind is led greatly It causes blade 5 to damage, causes economic loss, it is ensured that safety.

Claims (10)

1. a kind of blade damping device of wind-driven generator, it is characterised in that: including limit plate (23), slide bar (22), fixed block (20) and sleeve (1);
The sleeve (1) is used to connect the blade of wind-driven generator, and root of blade is fixed on sleeve (1), and sleeve (1) is set in Rotation axis (2) one end of wind-driven generator, and sleeve (1) can sliding axially along rotation axis (2);
The limit plate (23) is fixed on rotation axis (2), and one end of the slide bar (22) is connect with sleeve (1), and the other end is worn It crosses limit plate (23) and is connected with fixed block (20);The first elastic component (25) are provided between the limit plate (23) and sleeve (1), The second elastic component (21) are provided between the fixed block (20) and limit plate (23).
2. a kind of blade damping device of wind-driven generator according to claim 1, it is characterised in that: the rotation axis (2) other end is arranged on support plate (14) in fixed bearing, is also arranged with lantern ring (7) on the sleeve (1), and the set It can be relatively rotated between cylinder (1) and lantern ring (7), be connected with third bullet between the extension end and support plate (14) of the lantern ring (7) Property part (11).
3. a kind of blade damping device of wind-driven generator according to claim 2, it is characterised in that: the damping device It further include the first retaining ring (6), two first retaining rings (6) cover on sleeve (1), and are fixedly connected with sleeve (1), two first gear Card slot is formed between circle (6), the lantern ring (7) is set on sleeve (1), and lantern ring (7) is arranged between two first retaining rings (6) In the card slot of formation.
4. a kind of blade damping device of wind-driven generator according to claim 3, it is characterised in that: the lantern ring (7) It is provided with ball (8) with the contact surface of the first retaining ring (6), the contact surface of the lantern ring (7) and sleeve (1) is provided with ball (8).
5. a kind of blade damping device of wind-driven generator according to claim 2, it is characterised in that: the lantern ring (7) Extension end be fixedly connected with fixed plate (9), be connected with slide cartridge (10) on the fixed plate (9), the third elastic component (11) Setting is in the slide cartridge (10);
The damping device further includes cross bar (13), and one end of the cross bar (13) is fixed on support plate (14), the other end from The open-ended place of slide cartridge (10) protrudes into the slide cartridge (10) and offsets with described third elastic component (11) one end, the third bullet Property part (11) other end offsets with slide cartridge (10) bottom.
6. a kind of blade damping device of wind-driven generator according to claim 5, it is characterised in that: further include sliding block (12), the sliding block (12) is arranged between the third elastic component (11) and the cross bar (13), and the sliding block (12) and The cross bar (13) is fixedly connected;The open-ended area of the slide cartridge (10) is less than the cross section face of the sliding block (12) Product.
7. a kind of blade damping device of wind-driven generator according to claim 1, it is characterised in that: first elasticity Part (25) is spring, is set on the slide bar (22) between limit plate (23) and sleeve (1);Second elastic component (21) is bullet Spring is set on the slide bar (22) between limit plate (23) and fixed block (20).
8. a kind of blade damping device of wind-driven generator according to claim 1, it is characterised in that: the sleeve (1) On be provided with baffle (24), be attached between the slide bar (22) and sleeve (1) by baffle (24), the limit plate (23) On offer it is several with the slide bar (22) corresponding matching through-hole.
9. a kind of blade damping device of wind-driven generator according to claim 2, it is characterised in that: the rotation axis (2) one end is pierced by sleeve (1) and is fixedly connected with block (4), in the rotation axis (2) between the block (4) and sleeve (1) It is arranged with the second retaining ring (3), the second retaining ring (3) is pressed on sleeve (1) by block (4);The other end of rotation axis (2) is fixed to be connected It is connected to the first turntable (16).
10. a kind of blade damping device of wind-driven generator according to claim 8, it is characterised in that: the limit plate (23) section of the rotation axis (2) between block (4) is square-section, and sleeve (1) inner ring is matched with rotation axis (2) outer ring.
CN201811419026.4A 2018-11-26 2018-11-26 A kind of blade damping device of wind-driven generator Pending CN109268208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811419026.4A CN109268208A (en) 2018-11-26 2018-11-26 A kind of blade damping device of wind-driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811419026.4A CN109268208A (en) 2018-11-26 2018-11-26 A kind of blade damping device of wind-driven generator

Publications (1)

Publication Number Publication Date
CN109268208A true CN109268208A (en) 2019-01-25

Family

ID=65190739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811419026.4A Pending CN109268208A (en) 2018-11-26 2018-11-26 A kind of blade damping device of wind-driven generator

Country Status (1)

Country Link
CN (1) CN109268208A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115263688A (en) * 2022-09-27 2022-11-01 常州市中昊轨道交通科技发展有限公司 Damping device and wind generating set

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1664358A (en) * 2004-03-02 2005-09-07 金东龙 Wind driven power generating system
KR20060088814A (en) * 2005-02-02 2006-08-07 장균식 Wind power generator
CN201215067Y (en) * 2008-07-11 2009-04-01 深圳市建筑科学研究院有限公司 Typhoon resistant small-sized wind power generator
CN104005908A (en) * 2014-04-28 2014-08-27 周耀瑜 Impeller with adjustable included angles among blades and central axis
CN105626372A (en) * 2016-02-02 2016-06-01 南安普敦咨询服务有限公司 Wind generating set
CN209100194U (en) * 2018-11-26 2019-07-12 中国华能集团清洁能源技术研究院有限公司 A kind of blade damping device of wind-driven generator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1664358A (en) * 2004-03-02 2005-09-07 金东龙 Wind driven power generating system
US20050196281A1 (en) * 2004-03-02 2005-09-08 Dong Yong Kim Wind driven power generating system
KR20060088814A (en) * 2005-02-02 2006-08-07 장균식 Wind power generator
CN201215067Y (en) * 2008-07-11 2009-04-01 深圳市建筑科学研究院有限公司 Typhoon resistant small-sized wind power generator
CN104005908A (en) * 2014-04-28 2014-08-27 周耀瑜 Impeller with adjustable included angles among blades and central axis
CN105626372A (en) * 2016-02-02 2016-06-01 南安普敦咨询服务有限公司 Wind generating set
CN209100194U (en) * 2018-11-26 2019-07-12 中国华能集团清洁能源技术研究院有限公司 A kind of blade damping device of wind-driven generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115263688A (en) * 2022-09-27 2022-11-01 常州市中昊轨道交通科技发展有限公司 Damping device and wind generating set
CN115263688B (en) * 2022-09-27 2022-12-20 常州市中昊轨道交通科技发展有限公司 Damping device and wind generating set

Similar Documents

Publication Publication Date Title
US20130323056A1 (en) Vertical axis wind turbine blade
CN101302997B (en) Magnetic suspension paddle distance self-adjusting vertical shaft wind power generator
KR100996130B1 (en) Blade pitch control device for wind power generator
WO2012044089A3 (en) Vertical shaft turbine and bidirectional stack type vertical shaft turbine provided with same
CN202338450U (en) Overspeed protection device for wind driven generators
CN205703991U (en) A kind of provision for disengagement separated with axle for bearing of wind power generator back-up ring
WO2014134994A1 (en) Shaftless screw gear generating device
CN104295441B (en) Vertical shaft wind power machine
CN209100194U (en) A kind of blade damping device of wind-driven generator
CN205423055U (en) Aerogenerator with buffer
CN109268208A (en) A kind of blade damping device of wind-driven generator
CN103670918B (en) A kind of fan blade and wind wheel
CN111089031B (en) Self-protection type wind power generation equipment
CN110943643A (en) Friction nanometer energy harvester
CN110173393A (en) A kind of detachable H-type wind power generating set with vertical shaft and its working method
CN203756437U (en) Wind driven generator capable of automatically regulating blade angle
CN103032277B (en) Blade of wind generating set and wind generating set comprising blade
JPH1162813A (en) Sabonius-type wind mill and wind-power generating device using sabonius-type wind mill
CN205135906U (en) Speed limiting mechanism
CN204175525U (en) A kind of vertical axis windmill
CN210509476U (en) Wind power generation device
TWI631279B (en) Overspeed protection device and a wind turbine using the same
US20130149152A1 (en) Magnetically Assisted Kinetic Turbine System
CN201705591U (en) Wind turbine generator system and vane assembly thereof
CN109469586B (en) Low wind speed wind power generator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination