CN113719407B - Sectional type wind-powered electricity generation blade of quick butt joint - Google Patents
Sectional type wind-powered electricity generation blade of quick butt joint Download PDFInfo
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- CN113719407B CN113719407B CN202111063183.8A CN202111063183A CN113719407B CN 113719407 B CN113719407 B CN 113719407B CN 202111063183 A CN202111063183 A CN 202111063183A CN 113719407 B CN113719407 B CN 113719407B
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- 210000001503 joint Anatomy 0.000 title description 5
- 230000005611 electricity Effects 0.000 title description 3
- 230000011218 segmentation Effects 0.000 claims description 21
- 238000010030 laminating Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000003032 molecular docking Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/302—Segmented or sectional blades
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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
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- 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 relates to the technical field of wind power equipment, in particular to a quickly-butted sectional type wind power blade; the wind power generation blade comprises a blade root section and a blade tip section which are arranged along the length direction of a wind power blade; a first flange is arranged at one end of the blade root segment, which faces the blade tip segment, along the circumferential direction, a first web plate is arranged in the blade root segment, and an inwards concave female head is arranged at one end of the first web plate, which faces the blade tip segment; a second flange is arranged at one end of the blade tip section, which faces the blade root section, along the circumferential direction, a second web plate is arranged in the blade tip section, and a male head which protrudes outwards is arranged at one end of the second web plate, which faces the blade root section; when the blade root section and the blade tip section are assembled, the male head extends into the female head, and the pin shaft is inserted into the side walls of the male head and the female head and is used for fixedly connecting the male head and the female head; the fasteners are used for fixedly connecting the first flange and the second flange. The invention provides a fast-butt-joint sectional type wind power blade, which can improve the assembly efficiency among wind power blade sections.
Description
Technical Field
The invention relates to the technical field of wind power equipment, in particular to a quickly-butted sectional type wind power blade.
Background
Wind is an energy source without public nuisance. The wind power generator is very suitable for coastal islands, grassland pasturing areas, mountain areas and plateau areas with water shortage, fuel shortage and inconvenient traffic to utilize wind power to generate electricity according to local conditions. Wind power is an important field of renewable energy development, wind energy resources in China are abundant, the construction of wind power projects is accelerated, and the method has important significance for adjusting energy structures and changing economic development modes in China.
In order to fully utilize wind energy resources, the length of the blades of the wind driven generator is continuously increased, and areas with rich wind energy resources are often remote mountainous areas, desert areas, sea areas or seaside areas and other areas with few traces of people, the traffic conditions are poor, and the transportation of the long blades is quite difficult, so that the transportation of the blades is facilitated in a mode of segmenting the blades.
When the sectional type wind power blade in the prior art is installed, because of the particularity of the installation area of the wind driven generator, equipment is difficult to perform auxiliary installation, so that the sectional type wind power blade is difficult to align the sectional type wind power blade with the sectional type wind power blade when the sectional type wind power blade is butted, and the assembling efficiency is low.
In view of the above problems, the designer designs a fast-docking sectional wind power blade based on practical experience and professional knowledge that is abundant for many years in engineering application of such products and by cooperating with the application of theory and actively carrying out research and innovation, so that the assembly efficiency between wind power blade sections can be improved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a quick butt joint sectional type wind power blade aiming at the defects in the prior art, and solves the problem of low assembly efficiency in the installation process of the sectional type wind power blade in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the method comprises the following steps: the blade root section and the blade tip section are arranged along the length direction of the wind power blade;
a first flange is arranged at one end, facing the blade tip section, of the blade root section along the circumferential direction, a first web plate is arranged in the blade root section, and an inwards concave female head is arranged at one end, facing the blade tip section, of the first web plate;
a second flange is arranged at one end, facing the blade root section, of the blade tip section along the circumferential direction, a second web plate is arranged in the blade tip section, and a male head protruding outwards is arranged at one end, facing the blade root section, of the second web plate;
when the blade root segment and the blade tip segment are assembled, the male head extends into the female head, and a pin shaft penetrates through the side walls of the male head and the female head and is used for fixedly connecting the male head and the female head; the fasteners are used for fixedly connecting the first flange and the second flange.
Furthermore, the first flange is provided with a first clamping groove, and one end of the first web plate extends into the first clamping groove; the second flange is provided with a second clamping groove, and one end of the second web plate extends into the second clamping groove.
Further, the lateral wall outside of female head is provided with the first stiffening plate of laminating, the round pin axle sets up first stiffening plate department and interlude first stiffening plate.
Further, the first reinforcing plate and the first flange are connected into a whole structure.
Further, still include first axle sleeve and second axle sleeve, first axle sleeve alternates first stiffening plate with the lateral wall of female head, the second axle sleeve alternates public head, the round pin axle is through interleaving first axle sleeve with second axle sleeve fixed connection public head with female head.
Further, the lateral wall of second web is provided with the second stiffening plate of laminating.
Further, the second reinforcing plate and the second flange are connected into an integral structure.
Further, the outer side wall of the male head is in clearance fit with the inner side of the side wall of the female head.
Further, the fastener is the bolt, first flange with the second flange is provided with a plurality of mounting hole, and the bolt alternates the mounting hole and fixes first flange with the second flange.
Furthermore, a sealing glue layer is arranged between the first flange and the second flange.
Furthermore, two first webs are arranged and are arranged in the blade root segment at intervals; the second web plates are arranged in two numbers and are arranged corresponding to the positions of the first web plates.
Furthermore, a first attaching surface and a second attaching surface are arranged at one end, facing the blade tip section, of the blade root section, and the first attaching surface and the second attaching surface are staggered in the direction facing the blade tip section; the apex segmentation orientation the one end of apex segmentation is provided with third binding face and fourth binding face, the root segmentation with during the apex segmentation assembly, first binding face with the laminating of third binding face, the second binding face with the laminating of fourth binding face.
Furthermore, the first binding face with it glues to be provided with the structure between the third binding face, the second binding face with it glues to be provided with the structure between the fourth binding face.
Through the technical scheme of the invention, the following technical effects can be realized:
the designed quickly-butted sectional type wind power blade is matched with a female head through setting a male head, so that the blade root segmentation and the blade tip segmentation can be conveniently and quickly butted, the relative position between the blade root segmentation and the blade tip segmentation can be fixed, and meanwhile, a pin shaft and a fastener are used for fixing the blade root segmentation and the blade tip segmentation, so that the quick installation between the wind power blade segmentation is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a general schematic view of a segmented wind turbine blade according to an embodiment of the present invention;
FIG. 2 is an exploded view of a joint structure of a sectional type wind power blade according to an embodiment of the present invention;
FIG. 3 is a schematic view of a joint structure of blade root segments according to an embodiment of the present invention;
FIG. 4 is a schematic view of a joint structure of the blade tip segments in an embodiment of the present invention;
FIG. 5 is a side schematic view of a segmented wind blade according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken at A of FIG. 5 in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken at B of FIG. 5 in an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken at C of FIG. 5 in an embodiment of the present invention;
FIG. 9 is an enlarged view of the first embodiment of the present invention taken at D in FIG. 6;
FIG. 10 is an enlarged view at D of FIG. 6 in the second embodiment of the present invention;
FIG. 11 is an enlarged view taken at D in FIG. 6 in the third embodiment in accordance with the present invention;
reference numerals: the blade root segment 1, the first flange 11, the first web 12, the female head 13, the first reinforcing plate 14, the first attaching surface 15, the second attaching surface 16, the blade tip segment 2, the second flange 21, the second web 22, the male head 23, the second reinforcing plate 24, the third attaching surface 25, the fourth attaching surface 26, the pin shaft 3 and the fastener 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
a fast butt-jointed sectional type wind power blade is shown in figures 1-9, and a blade root section 1 and a blade tip section 2 are arranged along the length direction of the wind power blade; a first flange 11 is arranged at one end of the blade root section 1 facing the blade tip section 2 along the circumferential direction, a first web 12 is arranged in the blade root section 1, and an inwards concave female head 13 is arranged at one end of the first web 12 facing the blade tip section 2; a second flange 21 is arranged at one end of the blade tip section 2 facing the blade root section 1 along the circumferential direction, a second web plate 22 is arranged in the blade tip section 2, and a male head 23 protruding outwards is arranged at one end of the second web plate 22 facing the blade root section 1; when the blade root section 1 and the blade tip section 2 are assembled, the male head 23 extends into the female head 13, and the pin shaft 3 penetrates through the side walls of the male head 23 and the female head 13 and is used for fixedly connecting the male head 23 and the female head 13; a plurality of fasteners 4 are used to fixedly connect the first flange 11 and the second flange 21.
In the embodiment, when the blade root segment 1 and the blade tip segment 2 are connected, the male head 23 only needs to be stretched into the female head 13, the relative positions of the blade root segment 1 and the blade tip segment 2 are positioned, then the blade root segment 1 and the blade tip segment 2 only need to be pushed to be attached, and then the pin shaft 3 and the fastener 4 are installed, so that the butt joint installation can be completed, the complicated alignment process in the traditional structure is omitted, the position between the blade root segment 1 and the blade tip segment 2 can be fixed after the male head 23 and the female head 13 are connected, the dislocation between the blade root segment 1 and the blade tip segment 2 is avoided in the subsequent installation process of the pin shaft 3 and the fastener 4, the blade root segment 1 and the blade tip segment 2 in the installation process do not need to be limited by extra equipment like the traditional structure, and the installation efficiency and the quality between the wind power blade segments are effectively improved. In the fixed design of blade root segmentation 1 and apex segmentation 2, alternate public head 23 and female head 13 together through round pin axle 3, can connect first web 12 and second web 22 and form a whole and can pass power each other, increase the connection rigidity, and simultaneously, because the volume of blade is great, produce easily and rock lifting the in-process of butt joint, it is fixed to use round pin axle 3 to realize alternate fast, thereby the personnel of being convenient for make blade root segmentation 1 and apex segmentation 2 link into an organic whole with public head 23 and the quick fixed connection of female head 13, thereby make things convenient for installation fastener 4 after the blade root, avoid producing between segmentation 1 and the apex segmentation 2 and independently rock the emergence dislocation.
Preferably, the first flange 11 is provided with a first clamping groove, and one end of the first web 12 extends into the first clamping groove; the second flange 21 is provided with a second slot, and one end of the second web 22 extends into the second slot. The lateral wall of first draw-in groove and second draw-in groove supports the one end side of first web 12 and second web 22 respectively, and this end is the link of first web 12 and second web 22, and structural strength is more weak, produces easily behind the atress and twists reverse, buckle, consequently strengthens the structural strength of junction through first draw-in groove and second draw-in groove.
Because the lateral wall outside of female head 13 is thinner, in order to guarantee joint strength, the lateral wall outside of female head 13 is provided with the first stiffening plate 14 of laminating, and round pin axle 3 sets up and just alternates first stiffening plate 14 in first stiffening plate 14 department. Preferably, the first reinforcing plate 14 is connected with the first flange 11 as an integral structure, so that the force can be evenly distributed by mutual transmission among the first reinforcing plate 14, the female head 13 and the first flange 11, and the connection strength is further improved.
The first shaft sleeve penetrates through the side walls of the first reinforcing plate 14 and the female head 13, so that the first shaft sleeve also has a fixing effect on the space between the first reinforcing plate 14 and the female head 13, and the second shaft sleeve penetrates through the male head 23; the pin shaft 3 is fixedly connected with the male head 23 and the female head 13 by inserting the first shaft sleeve and the second shaft sleeve.
The side walls of the second web 22 are provided with a second stiffening web 24 which is attached. Preferably, the second reinforcing plate 24 is connected to the second flange 21 as a unitary structure, and can further support the second web 22.
In order to avoid the condition of not assembling, the outer side wall of the male head 23 is in clearance fit with the inner side wall of the female head 13.
Preferably, the fastening members 4 are bolts, the first flange 11 and the second flange 21 are provided with a plurality of mounting holes, and the bolts penetrate through the mounting holes to fix the first flange 11 and the second flange 21.
In order to ensure the sealing performance of the joint of the blade root segment 1 and the blade tip segment 2, a sealing adhesive layer is arranged between the first flange 11 and the second flange 21.
In order to improve the overall structural strength of the blade root segment 1 and the blade tip segment 2, two first webs 12 are arranged and are arranged in the blade root segment 1 at intervals; the second webs 22 are provided in two, and are provided corresponding to the positions of the first webs 12.
Example 2:
as shown in fig. 1 to 8 and fig. 10, a quickly butted sectional wind power blade is different from embodiment 1 in that a first attachment surface 15 and a second attachment surface 16 are arranged at one end of a blade root section 1 facing a blade tip section 2, and the first attachment surface 15 and the second attachment surface 16 are staggered in a direction facing the blade tip section 2; the blade tip segment 2 is provided with a third attaching surface 25 and a fourth attaching surface 26 at one end facing the blade root segment 1, when the blade root segment 1 and the blade tip segment 2 are assembled, the first attaching surface 15 is attached to the third attaching surface 25, and the second attaching surface 16 is attached to the fourth attaching surface 26. Structural adhesive is arranged between the first attaching surface 15 and the third attaching surface 25, and structural adhesive is arranged between the second attaching surface 16 and the fourth attaching surface 26.
In this embodiment, the first attaching surface 15 and the second attaching surface 16 which are staggered are arranged on the blade root segment 1, and the third attaching surface 25 and the fourth attaching surface 26 which are corresponding to each other are arranged on the blade tip segment 2, when the blade root segment 1 and the blade tip segment 2 are butted, the outer sides of the blade root segment 1 and the blade tip segment 2 can be guided and limited, meanwhile, a step formed between the first attaching surface 15 and the second attaching surface 16 is matched with a step formed between the third attaching surface 25 and the fourth attaching surface 26, when the wind power blade is subjected to a force F which is perpendicular to the length direction, the side surfaces of the two steps can be mutually supported, and therefore, the bending resistance of the whole wind power blade at the spliced part is improved. The structural adhesive can further improve the fixed connection effect between the first attaching surface 15 and the third attaching surface 25, and between the second attaching surface 16 and the fourth attaching surface 26.
Example 3:
a quickly-butted sectional type wind power blade is shown in figures 1-8 and figure 11, and is different from embodiment 1 in that a plate with an L-shaped section is fixedly installed at one end of a blade root section 1 and one end of a blade tip section 2 respectively, and a first flange 11 and a second flange 21 are formed on one side of the L-shaped plate.
In this embodiment, since the first flange 11 and the second flange 21 are respectively located in the vertical direction of the length direction of the main body portions of the blade root segment 1 and the blade tip segment 2, the processing is difficult, and the first flange 11 and the blade root segment 1, and the second flange 21 and the blade tip segment 2 are separately arranged, so that the main body portions of the blade root segment 1 and the blade tip segment 2 can form a structure extending in the length direction, and the processing is more convenient.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. A fast butt-jointed sectional type wind power blade is characterized by comprising
The wind power blade comprises a blade root section (1) and a blade tip section (2) which are arranged along the length direction of the wind power blade;
a first flange (11) is arranged at one end, facing the blade tip section (2), of the blade root section (1) along the circumferential direction, a first web plate (12) is arranged in the blade root section (1), and an inwards concave female head (13) is arranged at one end, facing the blade tip section (2), of the first web plate (12); a first reinforcing plate (14) which is attached to the outer side of the side wall of the female head (13) is arranged, and the first reinforcing plate (14) and the first flange (11) are connected into an integral structure;
a second flange (21) is arranged at one end, facing the blade root section (1), of the blade tip section (2) along the circumferential direction, a second web plate (22) is arranged in the blade tip section (2), and a male head (23) protruding outwards is arranged at one end, facing the blade root section (1), of the second web plate (22);
when the blade root segment (1) and the blade tip segment (2) are assembled, the male head (23) extends into the female head (13), a pin shaft (3) penetrates through the side walls of the male head (23) and the female head (13) and is used for fixedly connecting the male head (23) and the female head (13), and the pin shaft (3) is arranged at the first reinforcing plate (14) and penetrates through the first reinforcing plate (14); a plurality of fasteners (4) are used for fixedly connecting the first flange (11) and the second flange (21).
2. The fast docking segmented wind turbine blade according to claim 1, wherein the first flange (11) is provided with a first slot into which one end of the first web (12) extends; the second flange (21) is provided with a second clamping groove, and one end of the second web plate (22) extends into the second clamping groove.
3. The fast docking segmented wind turbine blade as claimed in claim 1, further comprising a first bushing and a second bushing, wherein the first bushing is inserted through the side wall of the first stiffening plate (14) and the female head (13), the second bushing is inserted through the male head (23), and the pin (3) is fixedly connected with the male head (23) and the female head (13) by inserting the first bushing and the second bushing.
4. The fast docking segmented wind turbine blade according to claim 1, wherein the side wall of the second web (22) is provided with a conformable second stiffening plate (24).
5. The fast docking segmented wind turbine blade as claimed in claim 4, wherein the second stiffening plate (24) is connected as a unitary structure with the second flange (21).
6. The fast docking segmented wind turbine blade as claimed in claim 1 wherein the male (23) outer sidewall is clearance fit inside the female (13) sidewall.
7. The fast docking segmented wind turbine blade according to claim 1, wherein the fasteners (4) are bolts, and the first flange (11) and the second flange (21) are provided with a plurality of mounting holes through which bolts are inserted to fix the first flange (11) and the second flange (21).
8. The fast docking segmented wind turbine blade according to claim 1, wherein a sealant layer is provided between the first flange (11) and the second flange (21).
9. The fast docking segmented wind turbine blade according to claim 1, wherein said first webs (12) are provided in two and are arranged spaced apart from each other in said blade root segment (1); the number of the second webs (22) is two, and the second webs are arranged corresponding to the position of the first web (12).
10. The fast docking segmented wind power blade according to claim 1, wherein one end of the blade root segment (1) facing the blade tip segment (2) is provided with a first abutting surface and a second abutting surface, and the first abutting surface and the second abutting surface are staggered in a direction facing the blade tip segment (2); apex segmentation (2) orientation the one end of apex segmentation (1) is provided with third laminating face and fourth laminating face, root segmentation (1) with during apex segmentation (2) assembly, first laminating face with the laminating of third laminating face, the second laminating face with the laminating of fourth laminating face.
11. The fast docking segmented wind turbine blade according to claim 10, wherein a structural adhesive is disposed between the first attaching surface and the third attaching surface, and a structural adhesive is disposed between the second attaching surface and the fourth attaching surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063183.8A CN113719407B (en) | 2021-09-10 | 2021-09-10 | Sectional type wind-powered electricity generation blade of quick butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063183.8A CN113719407B (en) | 2021-09-10 | 2021-09-10 | Sectional type wind-powered electricity generation blade of quick butt joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113719407A CN113719407A (en) | 2021-11-30 |
| CN113719407B true CN113719407B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111063183.8A Active CN113719407B (en) | 2021-09-10 | 2021-09-10 | Sectional type wind-powered electricity generation blade of quick butt joint |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8171633B2 (en) * | 2007-12-19 | 2012-05-08 | General Electric Company | Method for assembling a multi-segment wind turbine blade |
| US8167569B2 (en) * | 2007-12-21 | 2012-05-01 | General Electric Company | Structure and method for self-aligning rotor blade joints |
| EP2357357B1 (en) * | 2009-10-01 | 2016-11-09 | Vestas Wind Systems A/S | Wind turbine blade |
| WO2015051803A1 (en) * | 2013-10-10 | 2015-04-16 | Vestas Wind Systems A/S | Wind turbine blade |
| EP2930350B1 (en) * | 2014-04-11 | 2018-02-14 | Siemens Aktiengesellschaft | Segmented rotor blade with a bolt connection |
| US10830214B2 (en) * | 2017-03-22 | 2020-11-10 | General Electric Company | Method for securing a lightning receptor cable within a segmented rotor blade |
| US10900469B2 (en) * | 2018-10-30 | 2021-01-26 | General Electric Company | Method to retrofit a wind turbine rotor blade with a replacement blade tip segment |
| CN113167213A (en) * | 2018-12-13 | 2021-07-23 | 通用电气公司 | Joint-type rotor blade with chordwise extending pins supported via one or more structural members |
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