CN104612907A - Wind turbine generator combined type blades and installation method - Google Patents
Wind turbine generator combined type blades and installation method Download PDFInfo
- Publication number
- CN104612907A CN104612907A CN201410720312.XA CN201410720312A CN104612907A CN 104612907 A CN104612907 A CN 104612907A CN 201410720312 A CN201410720312 A CN 201410720312A CN 104612907 A CN104612907 A CN 104612907A
- Authority
- CN
- China
- Prior art keywords
- blade
- blades
- bolt
- joint
- web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title claims abstract description 11
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 1
- 239000004917 carbon fiber Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000452 restraining effect Effects 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
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 belongs to the technical field of wind turbine generator blades, and particularly relates to wind turbine generator combined type blades and an installation method. Each combined type blade comprises two or more segments of blades, the connection end of each segment of the blades is closed, and web plates of the segment of the blades extend out; web plates corresponding to the connection ends of two adjacent segments of blades are connected with each other through web plate connectors; a plurality of beam cap connectors are arranged between two adjacent web plates to connect the two segments of the blades; a plurality of skin connectors are arranged at the outer sides of the web plates respectively to connect the two segments of the blades; each portion of connection segments of the blades is connected with corresponding segment of the blades through titanium alloy bolts. When installation is conducted, a carbon fiber reinforced layer is paved at the connector position of each segment of the blades, and bolt holes are punched; the two segments of the blades are connected with each other through flange self-lock pins and bolts; finally, the blades are lifted and mounted on a wind turbine generator according to conventional lifting and mounting procedures. By means of the wind turbine generator combined type blades and the installation method, on the premise of not changing blade aerodynamic performance, the segmented manufacture, the segmented transportation and the rapid installation of the blades are convenient to achieve, the sufficient strength and rigidity are guaranteed, and the difficulties and the cost of manufacture and transportation are reduced.
Description
Technical field
The invention belongs to wind power generation unit blade design and manufaction technical field, particularly a kind of wind turbine combination type blade and installation method.
Background technique
Along with the increase of the horizontal shaft wind-power power of the assembling unit, the length of blade becomes more and more longer, and the blade of current 5MW unit is more than 60 meters, and future, the leaf more than hundred meters was in the middle of research and development.But due to China's wind energy turbine set widely distributed, remote, have inconvenient traffic, the restraining factors that the transportation problem of blade has become macrophyll chip technology to develop, the scheme cost manufacturing blade near wind energy turbine set is high again, also not easily realizes, therefore, employing segmentation manufactures, and fragmented transport, field erected combination type vane scheme is the effective scheme solved the problem.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming above-mentioned prior art, a kind of wind turbine combination type blade and installation method are provided, effectively can solve the manufacturing of blade and a difficult problem for transport.
The technological scheme that wind turbine combination type blade of the present invention adopts is:
Be made up of at least two sections of blades, each section of blade interior arranges two panels or the corresponding web of multiple slice locations, and it is characterized in that, the connecting end of each section of blade is closed, and web stretches out; Connected by blade linkage section between each section of blade, blade linkage section comprises beam cap joint, covering joint, web plate joint; Connected by web plate joint between the corresponding web of adjacent two sections of blade connecting ends; Multiple covering joint is arranged between adjacent two panels web, connects two sections of blades; Multiple beam cap joints are separately positioned on the outside of web, connect two ends blade; The each several part of blade linkage section is all connected by titanium alloy bolt with between each section of blade.
At the connecting end of described blade, installed position corresponding to beam cap joint, covering joint, web plate joint arranges the fibre reinforced layer that laying angle is 0 °/45 °/0 °/-45 ° respectively, and has corresponding flange hole.
Described fibre reinforced layer to other area thickness gentle transition, is blanket layer from the join domain of blade in join domain.
Described web plate joint is connected by web bolt with between web, adopts many rows to be equally spaced between web bolt; Beam cap joint is connected by beam cap bolt with between blade, and beam cap bolt adopts and arranges distribution more; Covering joint is connected by covering bolt with between blade, adopts single distribution.
The diameter of described web bolt, beam cap bolt and covering bolt is different, and the web diameter of bolt is maximum, and beam cap bolt takes second place, and covering bolt is minimum.
Described web bolt, beam cap bolt and covering bolt are all furnished with anti-dropping gasket.
Before and after described beam cap joint, covering joint, web plate joint adopt, two panels flange connection pieces connects, and is pre-fixed flange connection pieces by flange self-lock pin, then is connected by titanium alloy bolt.
The outermost surface of described covering joint arranges gel coat layer.
The installation method of described blade provided by the invention, is divided into following steps:
A () blade design becomes at least two sections, lay fibre reinforced layer, accomplish fluently bolt hole in relevant position every section of joint location;
B (), when after transport of blades to wind energy turbine set, adjusts to corresponding position the connection part of two sections of blades, install flange self-lock pin, and by the bolton of corresponding position, covering joint outermost surface spreads gel coat layer;
The program that conveniently lifts c () blade has combined after is lifted into Wind turbines.
Beneficial effect of the present invention is:
The present invention conveniently can realize the segmentation manufacture of blade, fragmented transport, quick mounting under the prerequisite not changing blade aerodynamic performance, and ensures the strength and stiffness that blade is enough, reduces and manufactures and the difficulty of transport and cost.
Attachment portion contained by the present invention adopts composite material, and manufacturing process does not increase difficulty, and Assembling technique is relatively simple, and cost is low, and join strength is safe and reliable.
Accompanying drawing explanation
Fig. 1 is the overall structure view of combination type vane of the present invention;
Fig. 2 is join domain structural drawing of the present invention;
Fig. 3 is concrete Connecting format figure of the present invention;
Fig. 4 is adpting flange sectional view of the present invention.
Number in the figure:
1-blade and blade root segment, 2-blade linkage section, 3-blade and blade apical segment, 4-covering joint, 5-beam cap joint, 6-web plate joint, about 7-web, 8-beam cap bolt, 9-web bolt, 10-covering bolt, 11-flange connection pieces, 12-flange self-lock pin.
Embodiment
The invention provides a kind of wind turbine combination type blade and installation method, for making technological scheme of the present invention and advantage clearly, below in conjunction with embodiment and accompanying drawing, the present invention being described in further details.
As shown in Figure 1, wind power generation unit blade at least comprises blade and blade root segment 1 and blade and blade apical segment 3 two-part, is connected between blade and blade root segment 1 and blade and blade apical segment 3 by blade linkage section 2; Fig. 2 is join domain structural drawing of the present invention, and the connecting end of blade and blade root segment 1 and blade and blade apical segment 3 is closed, and web stretches out; Blade linkage section 2 comprises covering joint 4, beam cap joint 5, web plate joint 6; Connected by web plate joint 6 between blade and blade root segment 1 and the corresponding web of blade and blade apical segment 3; Beam cap joint 5 is arranged between adjacent two panels web, connects blade and blade root segment 1 and blade and blade apical segment 3; Multiple covering joints 4 are separately positioned on the outside of web, connect blade and blade root segment 1 and blade and blade apical segment 3; The each several part of blade linkage section is connected with the titanium alloy bolt all by high strength between blade and blade root segment 1, blade and blade apical segment 3.At the connecting end of described blade, it is that (namely laying direction is followed successively by the circulation laying of 0 °, 45 °, 0 ° ,-45 ° for the fibre reinforced layer of 0 °/45 °/0 °/-45 ° that the installed position of covering joint 4, beam cap joint 5, web plate joint 6 correspondence arranges laying angle respectively, also be denoted as " 0 °/± 45 ° "), and have corresponding flange hole.Fibre reinforced layer to other area thickness gentle transition, is blanket layer from the join domain of blade in join domain.
Fig. 3 is concrete Connecting format figure of the present invention, beam cap joint 5 respectively adopts double 10 beam cap bolts 8 to be connected with blade and blade root segment 1, blade and blade apical segment 3, covering joint 4 respectively adopts single 12 covering bolts 10 to be connected with blade and blade root segment 1, blade and blade apical segment 3, and two groups of web plate joints 6 of blade and blade root segment 1, blade and blade apical segment 3 adopt three rows, 9 web bolts 9 to connect respectively.Web bolt 9 largest diameter, beam cap bolt 8 takes second place, and covering bolt 10 is minimum, and bolt is all furnished with anti-dropping gasket everywhere.
Fig. 4 is adpting flange sectional view of the present invention.Before and after covering joint 4, beam cap joint 5, web plate joint 6 all adopt, two panels flange connection pieces 11 connects, and pre-fixed by flange self-lock pin 12 pairs of flange connection pieces 11, then respectively by covering bolt 10, beam cap bolt 8, that web bolt 9 carries out connection is fastening.
Concrete connection step of the present invention is:
A () blade design becomes two sections, lay fibre reinforced layer, accomplish fluently bolt hole in relevant position every section of joint location;
B () is when after transport of blades to wind energy turbine set, the connection part of two sections of blades is adjusted to corresponding position, installs flange self-lock pin, by the bolton of corresponding position, the structure glue of covering up and down of other parts is bonded on the blade that connects, and outermost surface spreads gel coat layer;
The program that conveniently lifts c () blade has combined after is lifted into Wind turbines.
Claims (9)
1. a wind turbine combination type blade, is made up of at least two sections of blades, and each section of blade interior arranges two panels or the corresponding web of multiple slice locations, and it is characterized in that, the connecting end of each section of blade is closed, and web stretches out; Connected by blade linkage section between each section of blade, blade linkage section comprises covering joint (4), beam cap joint (5), web plate joint (6); Connected by web plate joint (6) between the corresponding web of adjacent two sections of blade connecting ends; Multiple beam cap joint (5) is arranged between adjacent two panels web, connects two sections of blades; Multiple covering joints (4) are separately positioned on the outside of web, connect two sections of blades; The each several part of blade linkage section is all connected by titanium alloy bolt with between each section of blade.
2. wind turbine combination type blade according to claim 1, it is characterized in that, at the connecting end of described blade, the installed position of covering joint (4), beam cap joint (5), web plate joint (6) correspondence arranges the fibre reinforced layer that laying angle is 0 °/45 °/0 °/-45 ° respectively, and has corresponding flange hole.
3. wind turbine combination type blade according to claim 2, is characterized in that, described fibre reinforced layer to other area thickness gentle transition, is blanket layer from the join domain of blade in join domain.
4. wind turbine combination type blade according to claim 1, is characterized in that, described web plate joint (6) is connected by web bolt (9) with between web, adopts many rows to be equally spaced between web bolt (9); Beam cap joint (5) is connected by beam cap bolt (8) with between blade, and beam cap bolt (8) adopts and arranges distribution more; Covering joint (4) is connected by covering bolt (10) with between blade, adopts single distribution.
5. wind turbine combination type blade according to claim 4, it is characterized in that, the diameter of described web bolt (9), beam cap bolt (8) and covering bolt (10) is different, web bolt (9) largest diameter, beam cap bolt (8) takes second place, and covering bolt (10) is minimum.
6. wind turbine combination type blade according to claim 4, is characterized in that, described web bolt (9), beam cap bolt (8) and covering bolt (10) are all furnished with anti-dropping gasket.
7. wind turbine combination type blade according to claim 1, it is characterized in that, before and after described covering joint (4), beam cap joint (5), web plate joint (6) adopt, two panels flange connection pieces (11) connects, and by flange self-lock pin (12), flange connection pieces (11) is pre-fixed, then connected by titanium alloy bolt.
8. wind turbine combination type blade according to claim 1, is characterized in that, the outermost surface of described covering joint (4) arranges gel coat layer.
9. an installation method for blade described in claim 1, is characterized in that, is divided into following steps:
A () blade design becomes at least two sections, lay fibre reinforced layer, accomplish fluently bolt hole in relevant position every section of joint location;
B (), when after transport of blades to wind energy turbine set, adjusts to corresponding position the connection part of two sections of blades, install flange self-lock pin, and by the bolton of corresponding position, covering joint outermost surface spreads gel coat layer;
The program that conveniently lifts c () blade has combined after is lifted into Wind turbines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720312.XA CN104612907A (en) | 2014-12-01 | 2014-12-01 | Wind turbine generator combined type blades and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720312.XA CN104612907A (en) | 2014-12-01 | 2014-12-01 | Wind turbine generator combined type blades and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104612907A true CN104612907A (en) | 2015-05-13 |
Family
ID=53147512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410720312.XA Pending CN104612907A (en) | 2014-12-01 | 2014-12-01 | Wind turbine generator combined type blades and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104612907A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863956A (en) * | 2016-05-24 | 2016-08-17 | 白银中科宇能科技有限公司 | Wind power blade connecting device |
| WO2023169027A1 (en) * | 2022-03-09 | 2023-09-14 | 中材科技风电叶片股份有限公司 | Blade, connecting assembly, and forming method for blade |
-
2014
- 2014-12-01 CN CN201410720312.XA patent/CN104612907A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 陈广华: "风力发电机组组合式叶片结构设计研究", 《中国博士学位论文全文数据库工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863956A (en) * | 2016-05-24 | 2016-08-17 | 白银中科宇能科技有限公司 | Wind power blade connecting device |
| WO2023169027A1 (en) * | 2022-03-09 | 2023-09-14 | 中材科技风电叶片股份有限公司 | Blade, connecting assembly, and forming method for blade |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |