CN103742372A - Wind generating set barring assembly and barring method - Google Patents

Wind generating set barring assembly and barring method Download PDF

Info

Publication number
CN103742372A
CN103742372A CN201310740889.2A CN201310740889A CN103742372A CN 103742372 A CN103742372 A CN 103742372A CN 201310740889 A CN201310740889 A CN 201310740889A CN 103742372 A CN103742372 A CN 103742372A
Authority
CN
China
Prior art keywords
hydraulic cylinder
base
wind power
oil hydraulic
generating set
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.)
Granted
Application number
CN201310740889.2A
Other languages
Chinese (zh)
Other versions
CN103742372B (en
Inventor
张建海
韩军杰
张克
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.)
Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Original Assignee
Beijing Goldwind Science and Creation Windpower Equipment 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 Beijing Goldwind Science and Creation Windpower Equipment Co Ltd filed Critical Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
Priority to CN201310740889.2A priority Critical patent/CN103742372B/en
Publication of CN103742372A publication Critical patent/CN103742372A/en
Application granted granted Critical
Publication of CN103742372B publication Critical patent/CN103742372B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

  • Wind Motors (AREA)

Abstract

The invention provides a wind generating set barring assembly which at least comprises a support beam, a first hydraulic cylinder, a first connection base and a second connection base. The support beam is provided with a connection portion used for being connected with a non-rotating part of a wind generator and a connection portion used for being fixedly connected with the first connection base. The first connection base is used for connecting one end of the first hydraulic cylinder to the support beam, and the second connection base is used for connecting the other end of the hydraulic cylinder to a rotor of the wind generator. The assembly is at least provided with a first state and a second state. The support beam, the first hydraulic cylinder, the first connection base and the second connection base are arranged in a separation mode under the first state. Under the second state, one end of the first hydraulic cylinder is connected onto the support beam through the first connection base, and the other end of the first hydraulic cylinder is connected onto the second connection base. A barring method is further provided. The assembly is simple in structure, low in cost, capable of being used repeatedly and good in economy.

Description

Wind power generating set barring component and jiggering method
Technical field
The application relates to a kind of wind power generating set barring component and jiggering method.
Background technique
Wind-driven generator is in blower fan lifting and operation maintenance process; such as, while needing installation and maintenance personnel to enter to operate in wind wheel hub, after need to generator feathering shutting down, with stop pin, lock; to prevent the generation of the accidents such as wind wheel rotation causes casualties, namely need to carry out jiggering.Direct-driving type wind power generation unit, because there is no speedup box, cannot carry out jiggering by rotating high speed shaft, so it is more difficult directly to drive the jiggering of unit.
In existing wind power generating set jiggering technology, because the blade of high-power wind-driven generator group is very heavy, manual difficulty is very large, utilize large-scale loop wheel machine to catch on a blade, slowly promote the method to rotate wind wheel, cost is very high, and under some operating environment (as mountain area, sea etc.), the use of large-scale loop wheel machine is limited, and danger is higher.And existing wind power generating set jiggering technology is easy to unit to cause damage, waste time and energy but reliability is not high.
Summary of the invention
In order to solve in prior art, wind power generating set jiggering is wasted time and energy but reliability is not high, and it is larger that construction is affected by operating environment, and cost is higher, and easily to defects such as unit cause damage, the invention provides a kind of wind power generating set barring component and jiggering method.
According to an aspect of the present invention, the invention provides a kind of wind power generating set barring component, this assembly at least comprises support beam, the first oil hydraulic cylinder, first connects base is connected base with second, described support beam is provided with the joint for being connected with wind-driven generator non-rotatable member, with for being connected with described first the joint that base is fixedly connected with, described first connects base for described first oil hydraulic cylinder one end is connected to described support beam, described second connects base for the described first oil hydraulic cylinder the other end is connected in to wind power generator rotor, this assembly at least has the first state and the second state:
Under the first state, described support beam, the first oil hydraulic cylinder, first connect base and are connected base separation setting with second;
Under the second state, one end of described the first oil hydraulic cylinder is connected to described support beam by the first connection base, and the other end of described the first oil hydraulic cylinder connects second and connects base.
Specifically, this wind power generating set barring component also has the third state, under this third state, one end of described the first oil hydraulic cylinder is connected base by described first and is connected to described support beam, described support beam is fixedly connected with wind-driven generator non-rotatable member, and the other end of described the first oil hydraulic cylinder is connected base by described second and is connected to wind power generator rotor.
More specifically, this wind power generating set barring component also comprises that the second oil hydraulic cylinder, the 3rd connects base and is connected base with the 4th, this wind power generating set barring component also has the 4th state, under the 4th state, one end of described the second oil hydraulic cylinder is connected base by the described the 3rd and is connected to described support beam, and the other end of described the second oil hydraulic cylinder is connected base by the described the 4th and is connected to wind power generator rotor.
As preferably, described non-rotatable member refers to aerogenerator stator.
Described support beam can be used as standing parts, is installed on wind power generating set.In the middle of described support beam, can establish slip ring mounting hole and break mounting hole.Break mounting hole, by the effect to rotor brake disc, is braked rotor.Slip ring mounting hole is used for installing slip-ring part.Described connection base is provided with base flange, base shaft and rotating shaft cover plate; Described oil hydraulic cylinder two ends are provided with the rotary shaft hole matching with base shaft.
According to a further aspect in the invention, a kind of wind power generating set jiggering method is provided, the method comprises, providing support beam, the first oil hydraulic cylinder, first connects base and is connected base with second, one end of described the first oil hydraulic cylinder is connected base by described first and is connected to support beam, and the other end of described the first oil hydraulic cylinder connects described second and connects base.
Specifically, this jiggering method also comprises, described second connects base is connected to wind power generator rotor.
More specifically, this jiggering method also comprises, described support beam is fixedly connected with wind-driven generator non-rotatable member.
As preferably, this jiggering method comprises:
Support beam is fixedly connected with wind-driven generator non-rotatable member;
One end of described the first oil hydraulic cylinder is connected to base with described first and be connected to described support beam;
The other end of described the first oil hydraulic cylinder is connected to base with described second and be connected to wind power generator rotor;
Control described the first hydraulic cylinder extension, drive wind power generator rotor to rotate.
As further preferred, this jiggering method also comprises:
Provide the second oil hydraulic cylinder, the 3rd to connect base and be connected base with the 4th;
At described support beam, connect the opposite end of the first oil hydraulic cylinder, with the described the 3rd, connect base and connect described second oil hydraulic cylinder one end;
The other end of described the second oil hydraulic cylinder is connected to base with the described the 4th and be connected to wind power generator rotor;
Remove described the first oil hydraulic cylinder;
Control described the second hydraulic cylinder extension, drive wind power generator rotor to rotate.
Above-mentioned non-rotatable member refers to aerogenerator stator.
The embodiment of the present invention has at least realized following beneficial effect:
The wind power generating set barring component that the embodiment of the present invention provides, simple in structure, cost is low.
The wind power generating set barring component that uses the embodiment of the present invention to provide, without generator and wind wheel are done to large change, both can realize the jiggering to wind power generating set.
The wind power generating set barring component that the embodiment of the present invention provides can, between different wind power generating set, be reused good economy performance.
The embodiment of the present invention wind power generating set barring component and the jiggering method that provide are provided, and simple to operate, jiggering process is fast, to working environment require lowly, reliability is high, dangerous little, and can not cause damage to unit.
Accompanying drawing explanation
By the description of carrying out below in conjunction with accompanying drawing, above and other object of the present invention and feature will become apparent, wherein:
Fig. 1 is that the embodiment of the present invention provides wind power generating set barring component schematic diagram;
Fig. 2 is that the embodiment of the present invention provides wind power generating set barring component using method schematic diagram;
Fig. 3 is the structure front schematic view that the embodiment of the present invention provides support beam in wind power generating set barring component;
Fig. 4 is the structure reverse side schematic diagram that the embodiment of the present invention provides support beam in wind power generating set barring component;
Fig. 5 is that the embodiment of the present invention provides the structural representation that connects base in wind power generating set barring component;
Fig. 6 is the structural representation that the embodiment of the present invention provides oil hydraulic cylinder in wind power generating set barring component;
In figure,
1 is support beam;
2 is the first oil hydraulic cylinder;
3 is the first connection base;
4 is the second connection base;
5 is the joint of support beam for being connected with generator non-rotatable member;
6 for support beam for the joint that is connected base and is fixedly connected with;
7 is wind power generator rotor;
8 is slip ring mounting hole;
9 is break mounting hole;
10 is the second oil hydraulic cylinder;
11 is the 3rd connection base;
12 is the 4th connection base;
13 is base flange;
14 is base shaft;
15 is rotating shaft cover plate;
16 is rotary shaft hole.
Embodiment
Below, describe with reference to the accompanying drawings embodiments of the invention in detail.
The wind power generating set barring component that the present embodiment provides, at least comprises that support beam 1, the first oil hydraulic cylinder 2, the first connection base 3 are connected base 4 with second.Described support beam 1 is provided with the joint 5 for being connected with wind-driven generator non-rotatable member, with for being connected with described first the joint 6 that base 3 is fixedly connected with, described first connects base 3 for the urceolus of described the first oil hydraulic cylinder 2 being connected to described support beam 1, and described second connects base 4 for the flexible rod of described the first oil hydraulic cylinder 2 is connected to wind power generator rotor 7.
This assembly is being actually used in before wind power generating set jiggering, and described support beam 1, the first oil hydraulic cylinder 2, first connect base 3 and be connected the separable setting of base 4 with second.
This assembly is when being actually used in wind power generating set jiggering, support beam 1 is fixedly connected with wind-driven generator non-rotatable member, this non-rotatable member is preferably aerogenerator stator, one end of the first oil hydraulic cylinder 2 is connected to described support beam 1, the first oil hydraulic cylinder 2 the other end by the first connection base 3 is connected to wind power generator rotor 7 by the second connection base 4.
In the wind power generating set barring component that the present embodiment provides, support beam 1 can be used as standing parts, is installed on wind power generating set.Support beam 1 arranges slip ring mounting hole 8 and break mounting hole 9.Slip ring mounting hole is used for installing slip ring.Break mounting hole, for break is installed, with the effect of rotor brake disc, brakes rotor.
This support beam 1 also can, according to the concavo-convex situation of working surface, arrange boss or bending, to facilitate it to fix.
This wind power generating set barring component also can comprise that the second oil hydraulic cylinder 10, the 3rd connection base 11 are connected base 12 with the 4th, one end of described the second oil hydraulic cylinder 10 can be connected base 11 by the described the 3rd and be connected to described support beam, and the other end of described the second oil hydraulic cylinder 10 can be connected base 12 by the described the 4th and be connected to wind power generator rotor 7.
In the wind power generating set barring component that the present embodiment provides, respectively connect base and be equipped with base flange 13, base shaft 14 and rotating shaft cover plate 15; Each oil hydraulic cylinder two ends are equipped with the rotary shaft hole 16 matching with base shaft.
Use the present embodiment that wind power generating set barring component is provided, the method for wind power generating set being carried out to jiggering comprises:
Support beam 1 is fixedly connected with wind-driven generator non-rotatable member by joint 4, this non-rotatable member is preferably aerogenerator stator, first connects base 3 is assemblied in this support beam 1 by base flange 13, the rotary shaft hole 16 of first oil hydraulic cylinder 2 one end is sheathed on after the base shaft 13 of the first connection base 3, spacing with rotating shaft cover plate 15.The other end of the first oil hydraulic cylinder 2, adopts in the same way, by the second connection base 4, is connected to wind power generator rotor 7;
Control the first oil hydraulic cylinder 2 flexible, drive wind power generator rotor 7 to rotate, drive wind wheel to rotate.
If the length of the first oil hydraulic cylinder 2 flexible rods can make wind wheel turn to the jiggering angle of setting, jiggering work completes, and needn't re-use second oil hydraulic cylinder.
If the length of the first oil hydraulic cylinder 2 flexible rods can not make wind wheel turn to jiggering set angle, need to use the second oil hydraulic cylinder 10, continue operation as follows:
At support beam 1, connect the joint 5 of the first oil hydraulic cylinder 2 opposite ends, with the 3rd connection base 11, connect one end of the second oil hydraulic cylinder 10;
The other end of this second oil hydraulic cylinder 10 is connected to base 12 with the 4th and be connected to wind power generator rotor 7;
Remove the first oil hydraulic cylinder 2;
Control this second oil hydraulic cylinder 10 flexible, drive wind power generator rotor to rotate, drive wind wheel to rotate.
If the length of the second oil hydraulic cylinder 10 flexible rods can make wind wheel turn to the jiggering angle of setting, jiggering work completes.
If the length of the second oil hydraulic cylinder 10 flexible rods can not make wind wheel turn to the jiggering angle of setting, need to install again the first oil hydraulic cylinder 2, remove the second oil hydraulic cylinder 10, continue jiggering work.
By the exemplary embodiment of the present invention describing with reference to the accompanying drawings above, can find out, the embodiment of the present invention has at least realized following beneficial effect: the wind power generating set barring component that the embodiment of the present invention provides, and simple in structure, cost is low; The wind power generating set barring component that uses the embodiment of the present invention to provide, without generator and wind wheel are done to large change, both can realize the jiggering to wind power generating set; The wind power generating set barring component that the embodiment of the present invention provides can, between different wind power generating set, be reused good economy performance; The embodiment of the present invention wind power generating set barring component and the jiggering method that provide are provided, and simple to operate, jiggering process is fast, to working environment require lowly, reliability is high, dangerous little, and can not cause damage to unit.
Although represent with reference to preferred embodiment and described the present invention, it should be appreciated by those skilled in the art that in the case of not departing from the spirit and scope of the present invention that are defined by the claims, can carry out various modifications and conversion to these embodiments.

Claims (10)

1. a wind power generating set barring component, it is characterized in that, this assembly at least comprises support beam, the first oil hydraulic cylinder, first connects base is connected base with second, described support beam is provided with the joint for being connected with wind-driven generator non-rotatable member, with for being connected with described first the joint that base is fixedly connected with, described first connects base for described first oil hydraulic cylinder one end is connected to described support beam, described second connects base for the described first oil hydraulic cylinder the other end is connected in to wind power generator rotor, this assembly at least has the first state and the second state:
Under the first state, described support beam, the first oil hydraulic cylinder, first connect base and are connected base separation setting with second;
Under the second state, one end of described the first oil hydraulic cylinder is connected to described support beam by the first connection base, and the other end of described the first oil hydraulic cylinder connects second and connects base.
2. wind power generating set barring component as claimed in claim 1, it is characterized in that, this wind power generating set barring component also has the third state, under this third state, one end of described the first oil hydraulic cylinder is connected base by described first and is connected to described support beam, described support beam is fixedly connected with wind-driven generator non-rotatable member, and the other end of described the first oil hydraulic cylinder is connected base by described second and is connected to wind power generator rotor.
3. wind power generating set barring component as claimed in claim 2, it is characterized in that, this wind power generating set barring component also comprises that the second oil hydraulic cylinder, the 3rd connects base and is connected base with the 4th, this wind power generating set barring component also has the 4th state, under the 4th state, one end of described the second oil hydraulic cylinder is connected base by the described the 3rd and is connected to described support beam, and the other end of described the second oil hydraulic cylinder is connected base by the described the 4th and is connected to wind power generator rotor.
4. wind power generating set barring component as claimed in claim 2, is characterized in that, described non-rotatable member refers to aerogenerator stator.
5. wind power generating set barring component as claimed in claim 2, is characterized in that, described support beam is also provided with slip ring mounting hole and break mounting hole.
6. wind power generating set barring component as described in claim 1-5 any one, is characterized in that, described connection base is provided with base flange, base shaft and rotating shaft cover plate.
7. wind power generating set barring component as claimed in claim 6, is characterized in that, described oil hydraulic cylinder two ends are provided with the rotary shaft hole matching with base shaft.
8. a wind power generating set jiggering method, is characterized in that, the method adopts wind power generating set barring component described in claim 1-7 any one to carry out jiggering to wind power generating set.
9. wind power generating set jiggering method as claimed in claim 8, is characterized in that, this jiggering method comprises:
Support beam is fixedly connected with wind-driven generator non-rotatable member;
One end of described the first oil hydraulic cylinder is connected to base with described first and be connected to described support beam;
The other end of described the first oil hydraulic cylinder is connected to base with described second and be connected to wind power generator rotor;
Control described the first hydraulic cylinder extension, drive wind power generator rotor to rotate.
10. wind power generating set jiggering method as claimed in claim 9, is characterized in that, this jiggering method also comprises:
Provide the second oil hydraulic cylinder, the 3rd to connect base and be connected base with the 4th;
At described support beam, connect the opposite end of the first oil hydraulic cylinder, with the described the 3rd, connect base and connect described second oil hydraulic cylinder one end;
The other end of described the second oil hydraulic cylinder is connected to base with the described the 4th and be connected to wind power generator rotor;
Remove described the first oil hydraulic cylinder;
Control described the second hydraulic cylinder extension, drive wind power generator rotor to rotate.
CN201310740889.2A 2013-12-27 2013-12-27 Wind power generating set barring component and jiggering method Active CN103742372B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310740889.2A CN103742372B (en) 2013-12-27 2013-12-27 Wind power generating set barring component and jiggering method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310740889.2A CN103742372B (en) 2013-12-27 2013-12-27 Wind power generating set barring component and jiggering method

Publications (2)

Publication Number Publication Date
CN103742372A true CN103742372A (en) 2014-04-23
CN103742372B CN103742372B (en) 2016-05-18

Family

ID=50499425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310740889.2A Active CN103742372B (en) 2013-12-27 2013-12-27 Wind power generating set barring component and jiggering method

Country Status (1)

Country Link
CN (1) CN103742372B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673349A (en) * 2015-12-31 2016-06-15 北京金风科创风电设备有限公司 wind generating set impeller turning device and turning method
CN106762438A (en) * 2016-12-29 2017-05-31 江苏金风科技有限公司 For the device and method of rotary wind power generator group rotor
CN107781122A (en) * 2016-08-29 2018-03-09 江苏金风科技有限公司 For the device of rotary wind power generator rotor, method and wind-driven generator
WO2019128008A1 (en) * 2017-12-28 2019-07-04 江苏金风科技有限公司 Self-checking method and device for generator rotor hydraulic control turning system
CN110657065A (en) * 2018-06-28 2020-01-07 江苏金风科技有限公司 Barring operation control method and system and control transfer box
CN110761952A (en) * 2018-07-26 2020-02-07 福建金风科技有限公司 Rotor turning system of wind generating set and turning module thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070059458A (en) * 2005-12-06 2007-06-12 박상열 A wind force generator using a multistage vertical axis
US20080048457A1 (en) * 2006-08-28 2008-02-28 Patel Bhanuprasad S Hydraulic energy conversion system
CA2667849A1 (en) * 2008-06-10 2009-12-10 Mitsubishi Heavy Industries, Ltd. Blade pitch-angle control apparatus and wind turbine generator
CN203627104U (en) * 2013-12-27 2014-06-04 北京金风科创风电设备有限公司 Wind generating set turning component

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070059458A (en) * 2005-12-06 2007-06-12 박상열 A wind force generator using a multistage vertical axis
US20080048457A1 (en) * 2006-08-28 2008-02-28 Patel Bhanuprasad S Hydraulic energy conversion system
CA2667849A1 (en) * 2008-06-10 2009-12-10 Mitsubishi Heavy Industries, Ltd. Blade pitch-angle control apparatus and wind turbine generator
CN203627104U (en) * 2013-12-27 2014-06-04 北京金风科创风电设备有限公司 Wind generating set turning component

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673349A (en) * 2015-12-31 2016-06-15 北京金风科创风电设备有限公司 wind generating set impeller turning device and turning method
CN107781122A (en) * 2016-08-29 2018-03-09 江苏金风科技有限公司 For the device of rotary wind power generator rotor, method and wind-driven generator
CN107781122B (en) * 2016-08-29 2019-11-29 江苏金风科技有限公司 For the device of rotary wind power generator rotor, method and wind-driven generator
US10662927B2 (en) 2016-08-29 2020-05-26 Jiangsu Goldwind Science & Technology Co., Ltd. Device and method for rotating rotor of wind power generator and wind power generator
CN106762438A (en) * 2016-12-29 2017-05-31 江苏金风科技有限公司 For the device and method of rotary wind power generator group rotor
WO2019128008A1 (en) * 2017-12-28 2019-07-04 江苏金风科技有限公司 Self-checking method and device for generator rotor hydraulic control turning system
AU2018398704B2 (en) * 2017-12-28 2020-07-09 Jiangsu Goldwind Science & Technology Co., Ltd. Self-checking method and device for generator rotor hydraulic control turning system
US11698055B2 (en) 2017-12-28 2023-07-11 Jiangsu Goldwind Science & Technology Co., Ltd. Self-inspection method and device for hydraulic control turning system of generator rotor
CN110657065A (en) * 2018-06-28 2020-01-07 江苏金风科技有限公司 Barring operation control method and system and control transfer box
CN110657065B (en) * 2018-06-28 2021-02-02 江苏金风科技有限公司 Barring operation control method and system and control transfer box
CN110761952A (en) * 2018-07-26 2020-02-07 福建金风科技有限公司 Rotor turning system of wind generating set and turning module thereof
CN110761952B (en) * 2018-07-26 2021-02-02 福建金风科技有限公司 Rotor turning system of wind generating set and turning module thereof

Also Published As

Publication number Publication date
CN103742372B (en) 2016-05-18

Similar Documents

Publication Publication Date Title
CN103742372A (en) Wind generating set barring assembly and barring method
CN203627104U (en) Wind generating set turning component
DK177959B1 (en) Method and apparatus for mounting a rotor blade on a wind turbine
CN103502635B (en) Wind energy plant and for the method for the rotor blade of installation or removal wind energy plant
EP3431751B1 (en) System and method for suspending a rotor blade of a wind turbine uptower
CN104612896A (en) Offshore wind power generation typhoon-resistance control system
KR20140072561A (en) Rotor shaft locking apparatus for wind power generator
CN101915211A (en) Wind turbine generator system and pitch system applied to same
EP3428449B1 (en) Drivetrain for a wind turbine and method for positioning a main bearing of said drivetrain
CN204855742U (en) Motor locked -rotor test frock
CN207795459U (en) A kind of tooling of wind power generating set automation installation pitch-controlled system
CN203255889U (en) Mechanical rotary engine room crane of wind turbine generator system
CN202579047U (en) Vertical shaft wind driven generator
CN204675721U (en) Lifting appliance in a kind of novel wind-powered machine unit hub
KR20140002595U (en) Rotor lock system of wind power generator
CN102817785A (en) Vertical axis wind generator
KR20130062009A (en) Rotor shaft locking apparatus for wind power generator
CN208966493U (en) A kind of wind power generating set barring gear
KR101334336B1 (en) Gripping apparatus for windmill blade
KR101334338B1 (en) Gripping apparatus for windmill blade
CN205078397U (en) Hand brake mechanism of vertical axis fan
CN205371538U (en) Megawatt level driftage ring gear
CN202732794U (en) Yaw brake disc for wind turbine generator
CN204402758U (en) A kind of safe operation device based on wind-power electricity generation group
CN204152723U (en) A kind of fan paddle-changing system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant