CN115539292B - Wind power blade main bearing structure and assembling method thereof - Google Patents
Wind power blade main bearing structure and assembling method thereof Download PDFInfo
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- CN115539292B CN115539292B CN202211112113.1A CN202211112113A CN115539292B CN 115539292 B CN115539292 B CN 115539292B CN 202211112113 A CN202211112113 A CN 202211112113A CN 115539292 B CN115539292 B CN 115539292B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 210000001624 hip Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009787 hand lay-up Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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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
- 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power blades, in particular to a main bearing structure of a wind power blade and an assembling method thereof, wherein the main bearing structure of the wind power blade comprises the following components: the cross section of the beam cap is wide in the middle and narrow in two sides, the beam cap is provided with two opposite side walls along the length direction, one side wall is matched with the inner contour of the shell at the windward side or the leeward side, the other side wall is in a circular arc shape, and the beam cap and the wind power blade shell are integrally formed.
Description
Technical Field
The invention relates to the technical field of wind power blades, in particular to a main bearing structure of a wind power blade and an assembling method thereof.
Background
With the increasing severity of the environmental pollution problem, the utilization of clean energy is more and more emphasized. Wind energy has been widely used as an important clean energy source. Wind blades are important parts of wind power generation equipment, and generally comprise a main load-bearing structural member and a blade shell. The main bearing structural member comprises a windward inner part, a beam cap, a leeward inner beam cap and a web plate positioned between the windward inner part and the beam cap. And the two beam caps are respectively attached to the wind power blade shell.
In the prior art, in order to realize the reinforcement of a main bearing structure, most of means are to improve webs, for example, two webs are arranged to improve the strength of the main bearing structure, for example, as in the wind power blade and the production process disclosed in the publication No. CN112360681A, which is exclusively used in the specification of "wind power blade and the production process" disclosed in 2/12/2021, parallel front edge webs and rear edge webs are arranged between main spar caps to improve the reliability of the structure, however, in this way, although the strength is higher than that of only a single web, the overall weight of the wind power blade is increased accordingly, and the weight reduction advantage of the blade is not obvious.
Moreover, most of the main beam caps in the prior art are manufactured by pultrusion plates, the deformation resistance and the torsion resistance are poor, and after the blade shell is stressed, the shell is easy to deform, so that the service life is shortened.
The information disclosed in this background section is only for enhancement of understanding of the general background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: compared with the traditional blade, the wind power blade main bearing structure and the assembling method thereof can improve the bending rigidity of the blade, improve the bearing capacity of the main bearing structure, have obvious weight reduction advantages on the blade and have strong deformation resistance and torsion resistance.
In order to achieve the purpose, the invention adopts the technical scheme that: a wind blade primary load bearing structure comprising:
be located the inside roof beam cap of wind-powered electricity generation blade shell windward side and leeward side respectively and be located two web between the roof beam cap, the transversal width in the middle of personally submitting of roof beam cap, both sides are narrow, the roof beam cap has two relative lateral walls along self length direction, one of them lateral wall with windward side or profile looks adaptation, another lateral wall are arc in the leeward side department shell, the roof beam cap with wind-powered electricity generation blade shell integrated into one piece.
The invention is based on the recognition that the main bearing structure provided by the invention is similar to an I-beam structure, has the same strength as an I-beam, and particularly improves the profile of a beam cap, the cross section of the beam cap is wide in the middle and narrow in two sides, and one side in contact with a web plate is designed into an arc surface structure, so that the cross section of the beam cap is elliptical or fusiform.
Furthermore, the cross section of the web plate is I-shaped, and the two beam caps and the web plate form an I-shaped structure.
It can be understood that the beam cap and the web plate are designed into an I-shaped structure, so that the bearing effect is effectively improved, the main torsional rigidity is provided, and the windward shell and the leeward shell form a stable bearing structure.
Furthermore, the web plate comprises a main body section and connecting sections positioned on two sides of the main body section in the width direction, and connecting pieces are arranged between the connecting sections and the beam caps.
It should be noted that, because the contact area between the beam cap and the web is small, a connecting piece is added between the beam cap and the web to ensure the connection strength between the beam cap and the web, and the connecting piece can be made of glass fiber cloth, carbon fiber or cloth made of other fiber materials which are the same as the material of the wind power blade shell.
Furthermore, the cross section of the connecting section is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is connected with the main body section, one side of the connecting piece, facing the web plate, is provided with a triangular groove for the connecting section to be inserted, and one side of the connecting piece, which is deviated from the web plate, is attached to the beam cap part.
Furthermore, the cross section of the connecting section is rectangular, the thickness of the connecting section is the same as that of the main body section, one side of the connecting piece, facing the web plate, is provided with a rectangular groove for the connecting section to be inserted, and one side of the connecting piece, which is deviated from the web plate, is attached to and connected with the beam cap part.
Furthermore, the cross section of the connecting section is in a right trapezoid shape, the lower bottom of the right trapezoid shape is connected with the main body section, one side, facing the web plate, of the connecting piece is provided with a trapezoid groove for the connecting section to be inserted, and one side, facing away from the web plate, of the connecting piece is connected with the beam cap in a fitting mode.
Further, the cross section of the web plate is centrosymmetric.
The invention also discloses an assembly method of the wind power blade main bearing structure, which is used for assembling the wind power blade main bearing structure and comprises the following steps:
s1: integrally forming the two beam caps and the wind power blade shell;
s2: after the web plate and the connecting piece are placed inside the wind power blade shell, the connecting piece is respectively bonded and fixed with the web plate and the beam cap.
What need explain, this kind of mode can effectively reduce wind-powered electricity generation blade's the assembly degree of difficulty, and wherein beam cap and wind-powered electricity generation blade casing are integrative pultrusion, and the web is placed inside wind-powered electricity generation blade casing after pultrusion, and the fibre cloth that is used for the shaping connecting piece simultaneously also lays, and the post-curing molding is glued to coating structure between to, and this kind of assembly mode is applicable to and assembles again after transporting wind-powered electricity generation blade to the place of use, and is lower to the requirement of assembly.
The invention also discloses another assembling method of the wind power blade main bearing structure, which is used for assembling the wind power blade main bearing structure and comprises the following steps:
s1: integrally forming a wind power blade shell, two beam caps and two connecting pieces;
s2: and after the web plate is placed inside the wind power blade shell, the web plate is fixed with the connecting piece in a bonding mode.
It should be noted that, compared with the above assembling method, in this scheme, the connecting member and the spar cap are integrally formed, the manufacturing method refers to the prior art, a groove for accommodating the connecting section is already formed on one side of the connecting member facing the web, and after the web is placed between the connecting members, the web is fixed by adopting an adhesion method, so that the fixing relationship between the connecting member and the spar cap can be increased.
The invention also discloses another assembling method of the main bearing structure of the wind power blade, which is used for assembling the main bearing structure of the wind power blade and comprises the following steps:
s1: integrally forming the two beam caps and the wind power blade shell;
s2: integrally forming the web plate and the two connecting pieces;
s3: and (5) placing the web plate and the two connecting pieces obtained in the step (S2) inside the wind power blade shell, and fixing the connecting pieces and the beam caps in a bonding mode.
Compared with the two assembling methods, in this scheme, the web and the connecting piece are integrally formed and then assembled between the beam caps, and the contact part between the connecting piece and the beam cap is coated with the structural adhesive for bonding and fixing.
The invention has the beneficial effects that: on one hand, the invention improves the beam cap, and designs one side of the beam cap close to the web plate into an arc shape, compared with the traditional blade, the bending strength can be effectively improved, the anti-torsion capability is improved by connecting the arc surface with the connecting piece, and on the other hand, the invention is different from the traditional method for reinforcing the main bearing structure, and the beam cap and the web plate form an I-shaped structure, and the bearing capability is strong.
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 schematic view of a main bearing structure of a wind turbine blade in the background art;
FIG. 2 is a schematic view of a main bearing structure of a wind turbine blade according to an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of a second wind turbine blade main bearing structure according to an embodiment of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is a schematic view of a main bearing structure of a wind turbine blade according to a third embodiment of the present invention;
FIG. 7 is an enlarged view at C of FIG. 6;
FIG. 8 is a schematic view of a main bearing structure of a wind turbine blade according to a fourth embodiment of the present invention;
FIG. 9 is an enlarged view of FIG. 8 at D;
FIG. 10 is a schematic view of a main bearing structure of a fifth embodiment of the invention;
fig. 11 is an enlarged view of fig. 10 at E.
Reference numerals: 1. A wind power blade shell; 2. the windward side; 3. a leeward side; 4. a spar cap; 5. a web; 6. a main body section; 7. a connecting section; 8. a connecting member; 9. a triangular groove; 10. a rectangular groove; 11. a trapezoidal groove; 12. and (4) structural adhesive.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
The wind turbine blade main bearing structure shown in fig. 1 to 3 includes: the cross section of the beam cap 4 is wide in the middle and narrow in two sides, the beam cap 4 is provided with two opposite side walls along the length direction, one side wall is matched with the inner contour of the windward side 2 or the leeward side 3, the other side wall is arc-shaped, the beam cap 4 and the wind power blade shell 1 are integrally formed, the cross section of the web 5 is I-shaped, and the two beam caps 4 and the web 5 form an I-shaped structure. The web 5 comprises a main body section 6 and connecting sections 7 positioned on two sides of the main body section 6 in the width direction, a connecting piece 8 is arranged between each connecting section 7 and the corresponding beam cap 4, the cross section of each connecting section 7 is in an isosceles triangle shape, the bottom edges of the isosceles triangles are connected with the corresponding main body section 6, a triangular groove 9 for inserting the corresponding connecting section 7 is formed in one side, facing the web 5, of each connecting piece 8, one side, deviating from the web 5, of each connecting piece is connected with the corresponding beam cap 4 in an attaching mode, and the cross section of each connecting piece is in a pi shape.
The main bearing structure of wind turbine blade who this embodiment provided designs into the triangle-shaped structure with the tip of web 5, mainly because the linkage segment 7 of triangle-shaped structure is fixed a position more easily, and two waists of triangle-shaped contact with connecting piece 8 simultaneously, have increased area of contact, have improved the cohesive strength, the assembly method of wind turbine blade that this embodiment provided includes following step:
s1: integrally forming the two beam caps 4 and the wind power blade shell 1;
s2: after the web 5 and the connecting piece 8 are placed inside the wind turbine blade shell 1, the connecting piece 8 is respectively bonded and fixed with the web 5 and the beam cap 4.
The assembly mode is simple, and the requirement on the assembly condition is low.
Example two
As shown in fig. 4 and 5, different from the first embodiment, there is a difference in the assembling method of the main bearing structure of the wind turbine blade, specifically, the method includes the following steps:
s1: integrally forming the two beam caps 4 and the wind power blade shell 1;
s2: integrally forming the web 5 and the two connecting pieces 8;
s3: and (5) placing the web 5 and the two connecting pieces 8 obtained in the step (S2) in the wind power blade shell 1, and then bonding and fixing the connecting pieces 8 and the beam caps 4 through structural adhesive 12.
The assembling method can increase the connecting strength between the connecting piece 8 and the web 5, and the bonding strength is higher by adopting an integral curing molding process than that by adopting the structural adhesive 12 in the later period, but the higher requirements are provided for a mould and a preparation process.
EXAMPLE III
As shown in fig. 6 and 7, different from the first embodiment, there is a difference in the assembling method of the main bearing structure of the wind turbine blade, specifically, the method includes the following steps:
s1: integrally forming a wind power blade shell 1, two beam caps 4 and two connecting pieces 8;
s2: after the web 5 is placed inside the wind power blade shell 1, the web is fixed with the connecting piece 8 in a bonding mode.
This method of assembly increases the strength of the connection between the connector 8 and the spar cap 4, as well as increases the difficulty of manufacture.
Example four
As shown in fig. 8 and 9, different from the first embodiment, the shape of the connecting section 7 of the web 5 and the shape of the connecting member 8 are changed, specifically, the cross section of the connecting section 7 is rectangular, the thickness of the connecting section 7 is the same as that of the main body section 6, one side of the connecting member 8 facing the web 5 is provided with a rectangular groove 10 for inserting the connecting section 7, one side of the connecting member 8 facing away from the web 5 is attached to the beam cap 4, the cross section of the connecting member 8 is U-shaped, the outer layer of the connecting member 8 is further provided with a reinforcing layer for reinforcing the connection strength between the connecting member 8 and the beam cap 4, the reinforcing layer is also formed by laying fiber cloth, is L-shaped, is partially attached to the outer layer of the connecting member 8, and is partially attached to the arc-shaped surface of the beam cap 4.
The shape of the connecting section 7 can be regarded as that the web 5 is not processed, but is directly fixed by adopting a plate material, and the requirement on the web 5 is lower.
EXAMPLE five
As shown in fig. 10 and 11, the difference from the first embodiment is that the cross section of the connecting section 7 is a right trapezoid, the lower bottom of the right trapezoid is connected with the main body section 6, one side of the connecting member 8 facing the web 5 is provided with a trapezoid groove 11 for inserting the connecting section 7, one side of the connecting member 8 facing away from the web 5 is connected with the beam cap 4 in a fitting manner, the cross section of the connecting member 8 is "T-shaped", the connecting member 8 is positioned on one side of the oblique waist of the right trapezoid, and the straight waist of the right trapezoid is reinforced by hand lay-up to increase the connecting strength.
The shape of the connecting section 7 can be regarded as cutting one side of the end part of the web 5, so that the connecting strength is increased, and the processing difficulty of the web 5 is low.
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 (7)
1. A wind turbine blade primary load bearing structure, comprising: the cross section of the beam cap is wide in the middle and narrow in two sides, the web is connected to the widest position in the middle of the beam cap, the beam cap is provided with two opposite side walls along the length direction, one side wall is matched with the inner contour of the housing on the windward side or the leeward side, the other side wall is in an arc shape, and the beam cap and the wind power blade housing are integrally formed;
the cross section of the web plate is I-shaped, and the two beam caps and the web plate form an I-shaped structure;
the web plate comprises a main body section and connecting sections positioned on two sides of the main body section in the width direction, and a connecting piece is arranged between each connecting section and the corresponding beam cap;
the cross section of the connecting section is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is connected with the main body section, one side, facing the web plate, of the connecting piece is provided with a triangular groove for the connecting section to be inserted into, one side, deviating from the web plate, of the connecting piece is connected with the beam cap in a fit mode, and the cross section of the connecting piece is in the shape of a pi.
2. A wind turbine blade primary load bearing structure, comprising: the cross section of the beam cap is wide in the middle and narrow in two sides, the web is connected to the widest position in the middle of the beam cap, the beam cap is provided with two opposite side walls along the length direction, one side wall is matched with the inner contour of the housing on the windward side or the leeward side, the other side wall is in an arc shape, and the beam cap and the wind power blade housing are integrally formed;
the cross section of the web plate is I-shaped, and the two beam caps and the web plate form an I-shaped structure;
the web plate comprises a main body section and connecting sections positioned on two sides of the main body section in the width direction, and a connecting piece is arranged between each connecting section and the corresponding beam cap;
the transversal rectangle of personally submitting of linkage segment, linkage segment thickness with main part section thickness is the same, the connecting piece towards web one side has the confession linkage segment male rectangle recess, deviates from web one side with roof beam cap part laminating is connected, the transversal "U" type of personally submitting of connecting piece, the skin of connecting piece still is provided with the enhancement layer, the enhancement layer is "L" type, its part with the outer laminating of connecting piece, part with the laminating of roof beam cap arcwall face.
3. A wind turbine blade main bearing structure, comprising: the cross section of the beam cap is wide in the middle and narrow in two sides, the web is connected to the widest position in the middle of the beam cap, the beam cap is provided with two opposite side walls along the length direction, one side wall is matched with the inner contour of the housing on the windward side or the leeward side, the other side wall is in an arc shape, and the beam cap and the wind power blade housing are integrally formed;
the cross section of the web plate is I-shaped, and the two beam caps and the web plate form an I-shaped structure;
the web plate comprises a main body section and connecting sections positioned on two sides of the main body section in the width direction, and a connecting piece is arranged between each connecting section and the corresponding beam cap;
the cross section of the connecting section is in a right trapezoid shape, the lower bottom of the right trapezoid shape is connected with the main body section, one side, facing the web plate, of the connecting piece is provided with a trapezoid groove for the connecting section to be inserted, one side, deviating from the web plate, of the connecting piece is connected with the beam cap in a fitting mode, the cross section of the connecting piece is in a T shape, the connecting piece is located on one side of the inclined waist of the right trapezoid shape, and the connecting piece is enhanced through hand pasting on the side of the straight waist of the right trapezoid shape.
4. The main bearing structure of wind turbine blade according to any one of claims 1 to 3, wherein the cross section of the web is centrosymmetric.
5. An assembling method of a wind power blade main bearing structure, which is used for assembling the wind power blade main bearing structure according to any one of claims 1-3, and comprises the following steps:
s1: integrally forming the two beam caps and the wind power blade shell;
s2: after the web plate and the connecting piece are placed inside the wind power blade shell, the connecting piece is respectively bonded and fixed with the web plate and the beam cap.
6. An assembling method of a wind power blade main bearing structure, which is used for assembling the wind power blade main bearing structure according to any one of claims 1-3, and comprises the following steps:
s1: integrally molding a wind power blade shell, two beam caps and two connecting pieces;
s2: and after the web plate is placed inside the wind power blade shell, the web plate is fixed with the connecting piece in a bonding mode.
7. An assembling method of a wind power blade main bearing structure, which is used for assembling the wind power blade main bearing structure according to any one of claims 1-3, and comprises the following steps:
s1: integrally forming the two beam caps and the wind power blade shell;
s2: integrally forming the web plate and the two connecting pieces;
s3: and (5) placing the web plate and the two connecting pieces obtained in the step (S2) inside the wind power blade shell, and fixing the connecting pieces and the beam cap in a bonding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112113.1A CN115539292B (en) | 2022-09-13 | 2022-09-13 | Wind power blade main bearing structure and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211112113.1A CN115539292B (en) | 2022-09-13 | 2022-09-13 | Wind power blade main bearing structure and assembling method thereof |
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| CN115539292B true CN115539292B (en) | 2023-04-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2543551C (en) * | 2003-10-31 | 2011-09-06 | Vestas Wind Systems A/S | Member for potential equalising |
| US8393871B2 (en) * | 2011-07-19 | 2013-03-12 | General Electric Company | Wind turbine blade shear web connection assembly |
| TR201907466T4 (en) * | 2012-12-18 | 2019-06-21 | Lm Wp Patent Holding As | A wind turbine blade comprising an aerodynamic blade shell with a recess and a pre-fabricated beam header. |
| WO2017178021A1 (en) * | 2016-04-14 | 2017-10-19 | Rune Schytt Composites Aps | Reinforced wind turbine blade |
| WO2019091531A1 (en) * | 2017-11-10 | 2019-05-16 | Vestas Wind Systems A/S | Improvements relating to wind turbine blade manufacture |
| CN112292524A (en) * | 2018-05-01 | 2021-01-29 | 通用电气公司 | Shear web for wind turbine rotor blade |
| DK3730778T3 (en) * | 2019-04-25 | 2021-12-06 | Siemens Gamesa Renewable Energy As | Spar cap, wind turbine blade, wind turbine and method of manufacturing a spar cap |
| WO2021228338A1 (en) * | 2020-05-12 | 2021-11-18 | Vestas Wind Systems A/S | Wind turbine blade |
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