CN113323797A - Modularized wind power blade - Google Patents
Modularized wind power blade Download PDFInfo
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- CN113323797A CN113323797A CN202110883802.1A CN202110883802A CN113323797A CN 113323797 A CN113323797 A CN 113323797A CN 202110883802 A CN202110883802 A CN 202110883802A CN 113323797 A CN113323797 A CN 113323797A
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- splicing
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- splicing surfaces
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- 238000009434 installation Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 25
- 210000001503 joint Anatomy 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
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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
- F05B2240/303—Details of the leading edge
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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
- F05B2240/304—Details of the trailing edge
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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 blades, in particular to a modularized wind power blade, which comprises: the wind power blade is characterized by comprising a plurality of sections arranged along the length direction, wherein each section is provided with a front edge piece, a middle piece and a rear edge piece in the width direction of the wind power blade, and the outer sides of the front edge piece, the middle piece and the rear edge piece form the outline shape of the wind power blade after being spliced; the front edge piece and the middle piece, and the middle piece and the rear edge piece are provided with splicing surfaces and connecting structures, and the connecting structures penetrate through the splicing surfaces to be fixedly connected. According to the invention, the wind power blade is segmented along the length direction and the width direction, so that the modularization of the wind power blade is realized, and the transportation is convenient. The splicing surfaces and the connecting structures are arranged between the front edge piece and the middle piece and between the middle piece and the rear edge piece, the connecting structures penetrate through the splicing surfaces to be fixedly connected, the assembly is simple, the operation is convenient, the assembly is convenient after the transportation to an installation site, and the maximization of the wind power blade is facilitated.
Description
Technical Field
The invention relates to the technical field of wind power blades, in particular to a modularized wind power blade.
Background
The utilization of a large amount of fossil energy also increases the burden of the earth ecological environment while promoting the technical development, the atmospheric pollution threatens the life and health of human beings, and renewable energy gradually becomes the energy of priority and occupies more and more important positions in energy structures of various countries. Wind energy is a renewable energy form, has the advantages of low development cost, mature technology, wide distribution and the like, and becomes the key direction of renewable energy development in recent years.
In order to fully utilize wind energy resources, wind turbines are gradually enlarged, the length of blades of the wind turbines is continuously increased, areas with rich wind resources are often remote mountainous areas, desert areas, areas with few people at sea or seaside and the like, the traffic conditions are poor, and long blades are quite difficult to transport.
In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is matched with the application of scholars to actively carry out research and innovation, so as to create a modularized wind power blade, and the modularized wind power blade is more practical.
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 provides a modularized wind power blade, thereby effectively solving the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a modular wind blade comprising:
the wind power blade is characterized by comprising a plurality of sections arranged along the length direction, wherein each section is provided with a front edge piece, a middle piece and a rear edge piece in the width direction of the wind power blade, and the outer sides of the front edge piece, the middle piece and the rear edge piece form the outline shape of the wind power blade after being spliced;
splicing surfaces and connecting structures are arranged between the front edge piece and the middle piece and between the middle piece and the rear edge piece, and the connecting structures penetrate through the splicing surfaces to be fixedly connected.
Furthermore, the splicing surfaces comprise first splicing surfaces perpendicular to the width direction of the wind power blade, the connecting structure penetrates through the first splicing surfaces to be fixedly connected, and the connecting structure is parallel to the width direction of the wind power blade.
Furthermore, the splicing surfaces comprise second splicing surfaces parallel to the width direction of the wind power blade, the connecting structure penetrates through the second splicing surfaces to be fixedly connected, and the connecting structure is perpendicular to the width direction of the wind power blade.
Furthermore, the splicing surfaces comprise a first splicing surface perpendicular to the width direction of the wind power blade and a second splicing surface parallel to the width direction of the wind power blade, the first splicing surface and the second splicing surface form a stepped structure, and the connecting structure is arranged on the first splicing surface and/or the second splicing surface and is fixedly connected with the first splicing surface and/or the second splicing surface.
Furthermore, the connecting structure is a bolt and a nut, the bolt penetrates through the two splicing surfaces, and the nut is positioned at the two ends of the bolt to fix the two splicing surfaces.
Furthermore, the connecting structure is composed of a screw and a threaded hole, one of the splicing surfaces is provided with a threaded hole, and the screw penetrates through the other splicing surface and is matched with the threaded hole to fix the two splicing surfaces.
Furthermore, the connecting structure comprises a bolt, a nut, a screw and a threaded hole, the bolt penetrates through two mutually matched splicing surfaces, and the nut is positioned at two ends of the bolt to fix the two splicing surfaces;
and one of the splicing surfaces which are matched with each other is provided with a threaded hole, and the screw penetrates through the other splicing surface and is matched with the threaded hole to fix the two splicing surfaces.
Further, after the front edge piece, the middle piece and the rear edge piece are spliced, the outer surface of the joint is covered with a skin.
The invention has the beneficial effects that: according to the invention, the wind power blade is segmented along the length direction and the width direction, the wind power blade is provided with a plurality of segments along the length direction, each segment is divided into the front edge piece, the middle piece and the rear edge piece, and the outer side of the front edge piece, the middle piece and the rear edge piece forms the outline shape of the wind power blade after being spliced, so that the modularization of the wind power blade is realized, and the transportation is convenient. The splicing surfaces and the connecting structures are arranged between the front edge piece and the middle piece and between the middle piece and the rear edge piece, the connecting structures penetrate through the splicing surfaces to be fixedly connected, the assembly is simple, the operation is convenient, the assembly is convenient after the transportation to an installation site, and the maximization of the wind power blade is facilitated.
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 wind turbine blade in the direction of the wind;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a schematic structural view of embodiment 3;
FIG. 5 is a schematic structural view of example 4;
FIG. 6 is a schematic structural view of example 5;
FIG. 7 is a schematic structural view of example 6;
reference numerals: 1. a first splicing surface; 2. a second splicing surface; 3. and (5) a connecting structure.
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; either directly or indirectly through intervening media, or may be interconnected between 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:
as shown in fig. 1 to 2: a modular wind blade comprising:
the wind power blade is characterized by comprising a plurality of sections arranged along the length direction, wherein each section is provided with a front edge piece, a middle piece and a rear edge piece in the width direction of the wind power blade, and the outer sides of the front edge piece, the middle piece and the rear edge piece form the outline shape of the wind power blade after being spliced;
splicing surfaces and connecting structures 3 are arranged between the front edge piece and the middle piece and between the middle piece and the rear edge piece, and the connecting structures 3 penetrate through the splicing surfaces to be fixedly connected.
The wind power blade is segmented along the length direction and the width direction, the wind power is arranged in a plurality of segments along the length direction, each segment is divided into a front edge piece, a middle piece and a rear edge piece, the outer side of the front edge piece, the middle piece and the rear edge piece are spliced to form the outline shape of the wind power blade, the modularization of the wind power blade is achieved, and the transportation is convenient. Wherein, be provided with concatenation face and connection structure 3 between leading edge spare and the middleware, between middleware and the trailing edge spare, connection structure 3 passes the concatenation face and carries out fixed connection, and the assembly is simple, and convenient operation conveniently transports and assembles after the installation scene, is favorable to wind-powered electricity generation blade's maximization.
In this embodiment, the splicing surfaces include the first splicing surface 1 perpendicular to the width direction of the wind power blade, the connection structure 3 passes through the first splicing surface 1 to be fixedly connected, the connection structure 3 is parallel to the width direction of the wind power blade, the connection structure 3 is a bolt and a nut, the bolt passes through the two splicing surfaces, and the nut is located at the two ends of the bolt to fix the two splicing surfaces.
Wherein, inside first concatenation face 1 passed whole wind-powered electricity generation blade, become three regions with wind-powered electricity generation blade internal partitioning, connection structure 3 can follow first concatenation face 1 at perpendicular to wind-powered electricity generation blade width direction and set up a plurality ofly as required, and joint strength is higher, but wind-powered electricity generation blade internally mounted with when overhauing, the space is less, installation and the inconvenient entering of maintainer.
As a preference of the above embodiment, after the front edge member, the intermediate member and the rear edge member are spliced, the outer surface of the joint is covered with a skin to ensure the sealing and the water resistance, and the sealing can be performed by using a sealing medium such as a structural adhesive.
Example 2:
as shown in fig. 3: the difference with embodiment 1 is, wherein first concatenation face 1 does not pass inside whole wind-powered electricity generation blade, only extend to wind-powered electricity generation blade inside from the concatenation department, both ends at perpendicular to wind-powered electricity generation blade width direction are provided with two first concatenation faces 1 respectively, two first concatenation faces 1 all are provided with the bolt and the nut is connected, compare with embodiment 1, owing to can only set up two connection structure 3 at the both ends of perpendicular to wind-powered electricity generation blade width direction, so joint strength is little than the embodiment, but wind-powered electricity generation blade inner space is big, easy to assemble and maintainer are in the inside activity, because the fastener is connected whole to be set up inside wind-powered electricity generation blade, change or overhaul and all can go on inside wind-powered electricity generation blade, need not to change again after dismantling whole wind-powered electricity generation blade.
In this embodiment, the connecting structure 3 is a bolt and a nut, the bolt passes through the two first splicing surfaces 1, and the nut is located at two ends of the bolt to fix the two first splicing surfaces 1.
Example 3:
as shown in fig. 4: the difference from the embodiment 2 is that, in this embodiment, the connection structure 3 is a screw and a threaded hole, wherein a first splicing surface 1 is provided with a threaded hole, and the screw passes through another first splicing surface 1 and is mutually matched with the threaded hole to fix the two first splicing surfaces 1.
Example 4:
as shown in fig. 5: what is different from embodiment 2 is that, in this embodiment, the concatenation face includes the second concatenation face 2 that is on a parallel with wind-powered electricity generation blade width direction, and connection structure 3 passes second concatenation face 2 and carries out fixed connection, and connection structure 3 perpendicular to wind-powered electricity generation blade width direction. Because the second concatenation face 2 is for being on a parallel with wind-powered electricity generation blade width direction, so one of them second concatenation face 2 need extend to the other end, when splicing wind-powered electricity generation blade, more convenient butt joint, and embodiment 1 to 3 need apply external force to leading edge spare, middleware and trailing edge spare when the concatenation is installed and compress tightly, and the butt joint is convenient in this embodiment, and two second concatenation faces 2 can mutually support, and are more convenient when the butt joint.
Wherein, connection structure 3 is bolt and nut, and the bolt passes two second concatenation faces 2, and the nut is located the bolt both ends and fixes two second concatenation faces 2, because second concatenation face 2 is for being on a parallel with wind-powered electricity generation blade width direction, so need punch the operation to wind-powered electricity generation blade.
Example 5:
as shown in fig. 6: what is different from embodiment 4 is that, in this embodiment, connection structure 3 is screw and screw hole, and one of them second concatenation face 2 is provided with the screw hole, and the screw passes another second concatenation face 2, mutually supports with the screw hole, splices face 2 to two seconds and fixes, in this embodiment, need not to punch the wind-powered electricity generation blade, has guaranteed the structural strength of wind-powered electricity generation blade.
Or, the connection structure 3 may also be a pre-buried screw sleeve and a bolt, the pre-buried screw sleeve is disposed on one of the second splicing surfaces 2, and the bolt passes through the other second splicing surface 2 and is mutually matched with the pre-buried screw sleeve to fix the two second splicing surfaces 2.
Example 6:
as shown in fig. 7: what is different from embodiment 1 is that, in this embodiment, the concatenation face includes perpendicular to wind-powered electricity generation blade width direction's first concatenation face 1 and the second concatenation face 2 that is on a parallel with wind-powered electricity generation blade width direction, first concatenation face 1 constitutes the stair structure with second concatenation face 2, connection structure 3 sets up at first concatenation face 1 and second concatenation face 2, carry out fixed connection, in this embodiment, to leading edge spare, intermediate member and trailing edge spare all are provided with connection structure 3 at wind-powered electricity generation blade width direction and perpendicular to wind-powered electricity generation blade width direction, leading edge spare has been guaranteed, the joint strength between intermediate member and the trailing edge spare.
In this embodiment, the connecting structure 3 includes a bolt, a nut, a screw and a threaded hole, the first splicing surfaces 1 are provided with the bolt and the nut for fixed connection, the bolt penetrates through the two first splicing surfaces 1, and the nut is located at the two ends of the bolt to fix the two first splicing surfaces 1; a threaded hole is formed in one of the second splicing surfaces 2, and a screw penetrates through the other second splicing surface 2 to be matched with the threaded hole to fix the two second splicing surfaces 2.
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 (8)
1. A modular wind blade, comprising:
the wind power blade is characterized by comprising a plurality of sections arranged along the length direction, wherein each section is provided with a front edge piece, a middle piece and a rear edge piece in the width direction of the wind power blade, and the outer sides of the front edge piece, the middle piece and the rear edge piece form the outline shape of the wind power blade after being spliced;
splicing surfaces and connecting structures are arranged between the front edge piece and the middle piece and between the middle piece and the rear edge piece, and the connecting structures penetrate through the splicing surfaces to be fixedly connected.
2. The modular wind blade according to claim 1, wherein the splicing surfaces comprise first splicing surfaces perpendicular to the width direction of the wind blade, the connecting structure penetrates through the first splicing surfaces for fixed connection, and the connecting structure is parallel to the width direction of the wind blade.
3. The modular wind blade according to claim 1, wherein the splicing surfaces comprise a second splicing surface parallel to the width direction of the wind blade, the connecting structure penetrates through the second splicing surface for fixed connection, and the connecting structure is perpendicular to the width direction of the wind blade.
4. The modular wind blade according to claim 1, wherein the splicing surfaces comprise a first splicing surface perpendicular to the width direction of the wind blade and a second splicing surface parallel to the width direction of the wind blade, the first splicing surface and the second splicing surface form a ladder structure, and the connecting structure is arranged on the first splicing surface and/or the second splicing surface and is fixedly connected with the first splicing surface and/or the second splicing surface.
5. The modular wind blade according to any of claims 1 to 4 wherein the connecting structure is a bolt and a nut, the bolt passes through the two splicing surfaces, and the nut is located at the two ends of the bolt to fix the two splicing surfaces.
6. The modular wind blade according to any one of claims 1 to 4, wherein the connecting structure is a screw and a threaded hole, one of the splicing surfaces is provided with a threaded hole, and the screw penetrates through the other splicing surface and is matched with the threaded hole to fix the two splicing surfaces.
7. The modular wind blade according to any one of claims 1 to 4, wherein the connecting structure comprises a bolt, a nut, a screw and a threaded hole, the bolt penetrates through two matching splicing surfaces, and the nut is positioned at two ends of the bolt to fix the splicing surfaces;
and one of the splicing surfaces which are matched with each other is provided with a threaded hole, and the screw penetrates through the other splicing surface and is matched with the threaded hole to fix the two splicing surfaces.
8. The modular wind blade of claim 1 wherein the outer surface is covered with a skin at the seams after the leading, intermediate and trailing edge pieces are joined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110883802.1A CN113323797A (en) | 2021-08-03 | 2021-08-03 | Modularized wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110883802.1A CN113323797A (en) | 2021-08-03 | 2021-08-03 | Modularized wind power blade |
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| CN113323797A true CN113323797A (en) | 2021-08-31 |
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| CN202110883802.1A Pending CN113323797A (en) | 2021-08-03 | 2021-08-03 | Modularized wind power blade |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776534A (en) * | 2022-05-09 | 2022-07-22 | 常州市宏发纵横新材料科技股份有限公司 | Modular wind power blade monitoring structure, system and method |
| WO2023274423A1 (en) * | 2021-09-10 | 2023-01-05 | 常州市宏发纵横新材料科技股份有限公司 | Modular wind turbine blade and method for manufacturing same |
| GB2627440A (en) * | 2023-02-20 | 2024-08-28 | Dfm Blades Ltd | Method of manufacturing a spar structure, a spar structure for a wind blade, a wind blade, and an apparatus for manufacturing a spar structure |
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| GB2627440A (en) * | 2023-02-20 | 2024-08-28 | Dfm Blades Ltd | Method of manufacturing a spar structure, a spar structure for a wind blade, a wind blade, and an apparatus for manufacturing a spar structure |
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Application publication date: 20210831 |