CN113464375A - Novel floating foundation device for offshore wind turbine - Google Patents
Novel floating foundation device for offshore wind turbine Download PDFInfo
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- CN113464375A CN113464375A CN202110944373.4A CN202110944373A CN113464375A CN 113464375 A CN113464375 A CN 113464375A CN 202110944373 A CN202110944373 A CN 202110944373A CN 113464375 A CN113464375 A CN 113464375A
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- 238000007667 floating Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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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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- 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
- Y02E10/727—Offshore wind turbines
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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 provides a novel offshore wind turbine floating foundation device, which comprises a main column, side upright columns, cross braces, triangular floating columns, Y-shaped floating columns and a heave plate, wherein the main column is connected with the side upright columns; the three side upright posts are arranged in a triangular shape by taking the main post as a center; the main column is connected with the side upright columns through the cross braces and the Y-shaped floating columns; one end of the cross brace is fixed at the bottom of the main column, and the other end of the cross brace is fixed at the upper part of the side upright; the six Y-shaped floating columns are used as one group, one group is respectively connected with the upper parts of the main columns and the upper parts of the side upright columns, and the other group is respectively connected with the bottoms of the main columns and the bottoms of the side upright columns; the six triangular floating columns are used as one group, wherein one group is used for sequentially connecting the upper parts of the three side stand columns, and the other group is used for sequentially connecting the bottoms of the three side stand columns; the bottom of the side upright post is fixedly provided with the lifting and sinking plate. The technical scheme of the invention solves the technical problems of large mass and the like of the existing wind turbine platform.
Description
Technical Field
The invention relates to the field of offshore wind power generation, in particular to a novel floating foundation device for an offshore wind turbine.
Background
At present, 5MW offshore wind turbines and 10MW offshore wind turbines are common in the market, 15MW offshore wind turbines are not applied as widely as the above, and the related technology is not mature. The total mass of the 15MW offshore wind turbine is larger than that of 5MW and 10MW offshore wind turbines, and the buoyancy requirement on the floating foundation is larger.
Common platforms for application in deepwater areas are: semi-submersible platforms, tension leg platforms, column platforms, and the like. The semi-submersible and tension leg type platforms have large structural size and large platform mass; the column platform is greatly affected by external loads.
Disclosure of Invention
According to the technical problems that the mass of the wind motor platform is large and the like, the novel offshore wind motor floating foundation device is provided.
The technical means adopted by the invention are as follows:
a novel offshore wind turbine floating foundation device comprises a main column, side upright columns, cross braces, triangular floating columns, Y-shaped floating columns and a heave plate;
the three side upright posts are arranged in a triangular shape by taking the main post as a center;
the main column is connected with the side upright columns through the cross braces and the Y-shaped floating columns; one end of the cross brace is fixed at the bottom of the main column, and the other end of the cross brace is fixed at the upper part of the side upright; the six Y-shaped floating columns are used as one group, three Y-shaped floating columns are used as one group, one group is respectively connected with the upper part of the main column and the upper part of each side upright column, and the other group is respectively connected with the bottom of the main column and the bottom of each side upright column;
the six triangular floating columns are used as one group, wherein one group is used for sequentially connecting the upper parts of the three side stand columns, and the other group is used for sequentially connecting the bottoms of the three side stand columns;
the bottom of the side upright post is fixedly provided with the lifting and sinking plate.
Furthermore, the three side upright posts are arranged by taking the main post as a central position and forming an angle of 120 degrees between every two side upright posts.
Furthermore, every two of the three cross braces form an angle of 120 degrees; every three Y-shaped floating columns in each group form a 120-degree angle between every two Y-shaped floating columns.
Furthermore, the lifting and sinking plate is fixedly arranged at the bottom of the side upright post through a stiffening rod.
Compared with the prior art, the invention has the following advantages:
according to the novel offshore wind turbine floating foundation device, the cross braces, the triangular floating columns and the Y-shaped floating columns are all of rod structures, so that the integral mass of a platform can be reduced under the condition that the platform is stable in structure; the lifting and sinking plate can effectively increase damping, and when the platform is subjected to the action of loads such as wind, waves, current and ice, the restoring moment can be effectively increased, so that the platform keeps relative stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the novel offshore wind turbine floating foundation device.
Fig. 2 is a schematic top view of the floating foundation device of the novel offshore wind turbine according to the present invention.
Fig. 3 is a schematic side view of the floating foundation device of the novel offshore wind turbine according to the present invention.
In the figure: 1. a side column; 2. a main column; 3. a cross brace; 4. a triangular floating column; 5. a Y-shaped floating column; 6. and (5) lifting and sinking the plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1-3, the invention provides a novel offshore wind turbine floating foundation device, which comprises a main column 2, a side upright column 1, a cross brace 3, a triangular floating column 4, a Y-shaped floating column 5 and a heave plate 6;
the three side upright posts 1 are arranged in a triangular shape by taking the main post 2 as a center;
the main column 2 is connected with the side upright columns 1 through the cross braces 3 and the Y-shaped floating columns 5; one end of the cross brace 3 is fixed at the bottom of the main column 2, and the other end of the cross brace is fixed at the upper part of the side upright column 1; six Y-shaped floating columns 5, three of which are used as a group, wherein one group is respectively connected with the upper part of the main column 2 and the upper part of each side upright post 1, and the other group is respectively connected with the bottom of the main column 2 and the bottom of each side upright post 1;
the six triangular floating columns 4 are used as one group, wherein one group is used for sequentially connecting the upper parts of the three side stand columns 1, and the other group is used for sequentially connecting the bottoms of the three side stand columns 1;
the bottom of the side upright post 1 is fixedly provided with the lifting and sinking plate 6.
Further, the three side columns 1 are arranged by taking the main column 2 as a central position and forming an angle of 120 degrees between every two side columns.
Furthermore, every two of the three cross braces 3 form an angle of 120 degrees; every three Y-shaped floating columns 4 in each group form a 120-degree angle between every two Y-shaped floating columns.
Furthermore, the rising and sinking plate 6 is fixedly arranged at the bottom of the side upright post 1 through a stiffening rod, and the stiffening rod is connected with the rising and sinking plate 6 and the side upright post 1 in a welding manner.
Further, the main column 2 and the side upright columns 1 are large cylinders; the cross brace 3, the triangular floating post 4 and the Y-shaped floating post 5 are slender rod pieces; the heave plate 6 is a disc with a certain thickness.
Further, the components of the invention are connected with each other by welding.
The floating foundation device of the novel offshore wind turbine is of a triangular structure with higher stability as a whole.
The novel floating foundation device of the offshore wind turbine is suitable for 15MW offshore wind turbines, the overall structure is light in weight, and the structure is firmer and more stable due to the arrangement of the cross braces, the triangular floating columns, the Y-shaped floating columns and the heave plates.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A novel offshore wind turbine floating foundation device is characterized by comprising a main column, side upright columns, cross braces, triangular floating columns, Y-shaped floating columns and a heave plate;
the three side upright posts are arranged in a triangular shape by taking the main post as a center;
the main column is connected with the side upright columns through the cross braces and the Y-shaped floating columns; one end of the cross brace is fixed at the bottom of the main column, and the other end of the cross brace is fixed at the upper part of the side upright; the six Y-shaped floating columns are used as one group, three Y-shaped floating columns are used as one group, one group is respectively connected with the upper part of the main column and the upper part of each side upright column, and the other group is respectively connected with the bottom of the main column and the bottom of each side upright column;
the six triangular floating columns are used as one group, wherein one group is used for sequentially connecting the upper parts of the three side stand columns, and the other group is used for sequentially connecting the bottoms of the three side stand columns;
the bottom of the side upright post is fixedly provided with the lifting and sinking plate.
2. The novel offshore wind turbine floating foundation arrangement as claimed in claim 1, wherein three of said side columns are arranged 120 ° between each other with said main column as a center.
3. The novel offshore wind turbine floating foundation arrangement as recited in claim 1, wherein three said braces are 120 ° between each other; every three Y-shaped floating columns in each group form a 120-degree angle between every two Y-shaped floating columns.
4. The novel offshore wind turbine floating foundation arrangement as claimed in claim 1, wherein the heave plate is fixedly mounted to the bottom of the side column by a stiffening rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110944373.4A CN113464375A (en) | 2021-08-17 | 2021-08-17 | Novel floating foundation device for offshore wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110944373.4A CN113464375A (en) | 2021-08-17 | 2021-08-17 | Novel floating foundation device for offshore wind turbine |
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| Publication Number | Publication Date |
|---|---|
| CN113464375A true CN113464375A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110944373.4A Pending CN113464375A (en) | 2021-08-17 | 2021-08-17 | Novel floating foundation device for offshore wind turbine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014862A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨工程大学 | Novel floating type multi-floater wind-wave energy hybrid power generation device |
| US10087915B1 (en) * | 2014-05-20 | 2018-10-02 | Nagan Srinivasan | Self-installing column stabilized offshore wind turbine system and method of installation |
| CN109263818A (en) * | 2018-10-10 | 2019-01-25 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of sea semisubmersible-type 5MW buoyant wind generation platform |
| CN110356522A (en) * | 2019-08-14 | 2019-10-22 | 中船重工船舶设计研究中心有限公司 | Shoe type semi-submersible type offshore wind power platform |
| US20200269960A1 (en) * | 2019-02-21 | 2020-08-27 | Vl Offshore, Llc | Motion-attenuated semi-submersible floating-type foundation for supporting a wind power generation system |
| CN215486379U (en) * | 2021-08-17 | 2022-01-11 | 大连海事大学 | Novel floating foundation device for offshore wind turbine |
-
2021
- 2021-08-17 CN CN202110944373.4A patent/CN113464375A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10087915B1 (en) * | 2014-05-20 | 2018-10-02 | Nagan Srinivasan | Self-installing column stabilized offshore wind turbine system and method of installation |
| CN106014862A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨工程大学 | Novel floating type multi-floater wind-wave energy hybrid power generation device |
| CN109263818A (en) * | 2018-10-10 | 2019-01-25 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of sea semisubmersible-type 5MW buoyant wind generation platform |
| US20200269960A1 (en) * | 2019-02-21 | 2020-08-27 | Vl Offshore, Llc | Motion-attenuated semi-submersible floating-type foundation for supporting a wind power generation system |
| CN110356522A (en) * | 2019-08-14 | 2019-10-22 | 中船重工船舶设计研究中心有限公司 | Shoe type semi-submersible type offshore wind power platform |
| CN215486379U (en) * | 2021-08-17 | 2022-01-11 | 大连海事大学 | Novel floating foundation device for offshore wind turbine |
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