CN113460256A - Floating body platform for mooring of offshore floating type wind turbine - Google Patents
Floating body platform for mooring of offshore floating type wind turbine Download PDFInfo
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- CN113460256A CN113460256A CN202110870837.1A CN202110870837A CN113460256A CN 113460256 A CN113460256 A CN 113460256A CN 202110870837 A CN202110870837 A CN 202110870837A CN 113460256 A CN113460256 A CN 113460256A
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- floating
- mooring
- equilateral triangle
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- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 abstract description 9
- 210000001503 joint Anatomy 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2207/00—Buoyancy or ballast means
- B63B2207/04—Pressure equalising or adjusting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2209/00—Energy supply or activating means
- B63B2209/20—Energy supply or activating means wind energy
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
本发明提供一种海上漂浮式风力机系泊浮体平台，包括平台本体和系泊系统，平台本体包括呈等边三角形布置的三个立柱，相邻立柱上部连接有上边支杆，立柱下部套接有浮套，浮套下端连接中空浮盘，中空浮套内部设有可更换配重块，相邻浮套下部连接有下边支杆，每对上下边支杆之间固定有首尾依次对接的多根围杆，相邻上边支杆之间连接有上内支杆，相邻下边支杆之间连接有下内支杆，上下内支杆各自对接形成等边三角形结构，该等边三角形结构中心与三个立柱布置构成的等边三角形中心在竖直方向重合，系泊系统包括系泊基座和多根系泊线缆，每根系泊线缆上端与一个立柱上部连接，下端均与设置于海底的系泊基座连接。本申请提供的浮体平台静态稳定性好。
The invention provides an offshore floating wind turbine mooring floating body platform, which includes a platform body and a mooring system. The platform body includes three columns arranged in an equilateral triangle, the upper part of the adjacent column is connected with an upper support rod, and the lower part of the column is sleeved There is a floating sleeve, the lower end of the floating sleeve is connected with a hollow floating plate, a replaceable counterweight is arranged inside the hollow floating sleeve, a lower support rod is connected to the lower part of the adjacent floating sleeve, and each pair of upper and lower support rods is fixed with a plurality of end-to-end butt joints. The root surrounding rod, the upper inner support rod is connected between the adjacent upper support rods, the lower inner support rod is connected between the adjacent lower support rods, and the upper and lower inner support rods are respectively connected to form an equilateral triangle structure, and the center of the equilateral triangle structure is The center of the equilateral triangle formed by the arrangement of the three columns coincides in the vertical direction. The mooring system includes a mooring base and a plurality of mooring cables. The upper end of each mooring cable is connected to the upper part of a column, and the lower end is connected to the bottom of the seabed. connection to the mooring base. The floating body platform provided by the present application has good static stability.
Description
Technical Field
The invention relates to the technical field of offshore floating type wind turbine infrastructures, in particular to a floating platform for mooring a offshore floating type wind turbine.
Background
Wind energy is a clean renewable energy source, and wind power generation is a power generation form with the mature technology and the fastest development speed in the current renewable energy sources. The global installed wind power capacity has been continuously increased at a high speed of more than two digits for more than ten years, and the proportion of offshore wind power in wind energy utilization is rapidly increasing. In recent years, as offshore wind power utilization is continuously developed to deep sea areas, floating wind turbines are gradually paid attention by enterprises and researchers. The inventor of the application discovers that under the comprehensive action of offshore wind and waves, the oscillating motion of the floating wind turbine is very obvious, and the oscillating motion of the unit can generate important influence on the safe operation and the pneumatic characteristic of the floating wind turbine, so that how to improve the static stability of the floating wind turbine is avoided, the overturning accident of the floating wind turbine caused by insufficient static stability is avoided, and the problem is urgently solved by each wind power enterprise at present.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a floating body platform moored by a maritime floating type wind turbine, which has good static stability and is particularly suitable for living and using in severe sea area environments with large storms.
In order to solve the technical problems, the invention adopts the following technical scheme:
a floating body platform for mooring a marine floating wind turbine comprises a platform body and a mooring system, wherein the platform body comprises three upright columns which are arranged in an equilateral triangle, upper side supporting rods are fixedly connected to the upper parts of adjacent upright columns, floating sleeves are tightly sleeved on the lower parts of the three upright columns, a hollow floating disc is fixedly connected to the lower end of each floating sleeve, a replaceable balancing weight is arranged in the hollow floating disc, lower side supporting rods are fixedly connected to the lower parts of the adjacent floating sleeves, a plurality of surrounding rods are fixedly connected between each pair of upper side supporting rods and the lower side supporting rods, the adjacent surrounding rods are sequentially butted head to tail, upper inner supporting rods are fixedly connected between the adjacent upper side supporting rods on the upper parts of the three upright columns, the upper inner supporting rods are butted to form an equilateral triangle structure, lower inner supporting rods are fixedly connected between the adjacent lower side supporting rods on the lower parts of the floating sleeves, and the lower inner supporting rods are butted to form an equilateral triangle structure, the center of an equilateral triangle structure formed by the butt joint of the upper inner support rod and the lower inner support rod is superposed with the center of an equilateral triangle formed by the arrangement of the three stand columns in the vertical direction; the mooring system comprises a mooring base and a plurality of mooring cables, the upper end of each mooring cable is connected with the side wall of one hollow floating disc, and the lower end of each mooring cable is connected with the mooring base arranged on the sea bottom.
Compared with the prior art, the offshore floating type wind turbine mooring floating body platform provided by the invention has the advantages that on one hand, the lower parts of the upright posts are connected with the hollow floating disc through the floating sleeves, and the replaceable balancing weights are arranged in the hollow floating disc, so that the balancing weights with different weights can be additionally arranged in the hollow floating disc according to actual needs, the hollow floating disc can be positioned under deeper water, the position of the gravity center of the platform main body relative to the floating center is further reduced, the influence of wind and wave force on the platform main body is reduced, the oscillating motion of the platform main body in wind and wave can be reduced, and the static stability of the floating type wind turbine is effectively improved; on the other hand is through connecting the branch of the higher authority on adjacent stand upper portion, is connected with the inner support pole between the branch of adjacent higher authority, and the butt joint of inner support pole forms equilateral triangle structure on each, floats cover sub-unit connection lower branch at adjacent, is connected with lower inner support pole between the branch of adjacent lower authority, and each lower inner support pole butt joint forms equilateral triangle structure, and every to many fencing posts of fixed connection end to end in proper order between branch of higher authority and the lower branch, can ensure the structural strength of platform body from this well. The invention has good static stability of the structure, and is particularly suitable for living and use in severe sea environment with large waves.
Further, the distance from the center of the stand column to the center of an equilateral triangle formed by arranging the three stand columns is 8-16 times of the radius of the stand column.
Furthermore, the bottom of the hollow floating plate is rotatably connected with a floating plate door, a concave cavity is formed in the inner surface of the floating plate door, the balancing weight is placed in the concave cavity, and each side wall of the concave cavity is connected with a compression spring which supports against and fixes the balancing weight.
Furthermore, four surrounding rods are fixedly connected between each pair of upper supporting rods and each pair of lower supporting rods.
Drawings
FIG. 1 is a schematic structural diagram of a floating platform moored by an offshore floating wind turbine provided by the invention.
Fig. 2 is a schematic structural view of the weight block provided by the present invention disposed inside the hollow floating plate.
In the figure, 1, a platform body; 11. a column; 12. an upper side supporting rod; 13. floating sleeves; 14. a hollow floating disc; 141. a float door; 142. a concave cavity; 143. a compression spring; 15. a balancing weight; 16. a lower supporting rod; 17. a surrounding rod; 18. an upper inner support rod; 19. a lower inner support rod; 2. a mooring system; 21. a mooring base; 22. mooring the cable.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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; they may be connected directly or indirectly through intervening media, or they 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.
Referring to fig. 1 and 2, the invention provides a floating body platform for mooring a marine floating wind turbine, comprising a platform body 1 and a mooring system 2, wherein the platform body 1 comprises three upright posts 11 arranged in an equilateral triangle, the upper portions of adjacent upright posts 11 are fixedly connected with upper side support rods 12, so that a total of three upper side support rods 12 are arranged, the lower portions of the three upright posts 11 are tightly sleeved with floating sleeves 13, the lower ends of the floating sleeves 13 are fixedly connected with a hollow floating disc 14 as a whole, a replaceable balancing weight 15 is arranged in the hollow floating disc 14, the lower portions of adjacent floating sleeves 13 are fixedly connected with lower side support rods 16, so that a total of three lower side support rods 16 are arranged, a plurality of surrounding rods 17 are fixedly connected between each pair of upper side support rods 12 and lower side support rods 16, the adjacent surrounding rods 17 are sequentially butted end to end, the upper side support rods 12 on the upper portions of the three upright posts 11 are fixedly connected with upper inner support rods 18, the upper inner support rods 18 are butted to form an equilateral triangle structure, the lower inner support rods 19 are fixedly connected between the adjacent lower support rods 16 at the lower part of the floating sleeve 14, the lower inner support rods 19 are butted to form an equilateral triangle structure, and the centers of the equilateral triangle structures formed by the upper inner support rods 18 and the lower inner support rods 19 in butt joint respectively coincide with the centers of the equilateral triangles formed by the arrangement of the three upright posts 11 in the vertical direction; the mooring system 2 comprises a mooring base 21 and a plurality of mooring cables 22, wherein the upper end of each mooring cable 22 is connected with the side wall of one hollow floating plate 14, and the lower end of each mooring cable 22 is connected with the mooring base 21 arranged on the sea bottom.
Compared with the prior art, the offshore floating type wind turbine mooring floating body platform provided by the invention has the advantages that on one hand, the lower parts of the upright posts are connected with the hollow floating disc through the floating sleeves, and the replaceable balancing weights are arranged in the hollow floating disc, so that the balancing weights with different weights can be additionally arranged in the hollow floating disc according to actual needs, the hollow floating disc can be positioned under deeper water, the position of the gravity center of the platform main body relative to the floating center is further reduced, the influence of wind and wave force on the platform main body is reduced, the oscillating motion of the platform main body in wind and wave can be reduced, and the static stability of the floating type wind turbine is effectively improved; on the other hand is through connecting the branch of the higher authority on adjacent stand upper portion, is connected with the inner support pole between the branch of adjacent higher authority, and the butt joint of inner support pole forms equilateral triangle structure on each, floats cover sub-unit connection lower branch at adjacent, is connected with lower inner support pole between the branch of adjacent lower authority, and each lower inner support pole butt joint forms equilateral triangle structure, and every to many fencing posts of fixed connection end to end in proper order between branch of higher authority and the lower branch, can ensure the structural strength of platform body from this well. The invention has good static stability of the structure, and is particularly suitable for living and use in severe sea environment with large waves.
As a specific embodiment, the distance from the center of the upright post 11 to the center of an equilateral triangle formed by arranging three upright posts is 8-16 times of the radius of the upright post 11, that is, the distance between the center of the upright post and the center of the platform body is designed to be 8-16 times of the radius of the upright post, so that the area moment of the platform body can be increased, the oscillation response of the floating body platform under strong wind waves can be effectively reduced, and the static stability of the floating body platform can be better improved.
As a specific embodiment, please refer to fig. 2, the bottom of the hollow floating plate 14 is rotatably connected, such as hinged, with a floating plate door 141, a concave cavity 142 is formed on the inner surface of the floating plate door 141, the counterweight block 15 is placed in the concave cavity 142, and each side wall of the concave cavity 142 is connected with a compression spring 143 for supporting and fixing the counterweight block 15, so that when the counterweight block 15 needs to be replaced, the counterweight block 15 is opened only by a handle on the floating plate door 141, the original counterweight block 15 is taken down, and the required counterweight block 15 is placed in the concave cavity 142 and is supported and fixed by the compression spring 143, which is convenient and fast. Of course, other embodiments may be implemented by those skilled in the art.
As a specific embodiment, please refer to fig. 1, four surrounding rods 17 are fixedly connected between each pair of upper supporting rods 12 and lower supporting rods 16, adjacent surrounding rods are sequentially butted end to end, specifically, the tail end of the first surrounding rod is butted with the head end of the second surrounding rod, the tail end of the second surrounding rod is butted with the head end of the third surrounding rod, and the tail end of the third surrounding rod is butted with the head end of the fourth surrounding rod, so as to form a saw-toothed structure, thereby well ensuring the structural strength of the platform body.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870837.1A CN113460256A (en) | 2021-07-30 | 2021-07-30 | Floating body platform for mooring of offshore floating type wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870837.1A CN113460256A (en) | 2021-07-30 | 2021-07-30 | Floating body platform for mooring of offshore floating type wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113460256A true CN113460256A (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110870837.1A Withdrawn CN113460256A (en) | 2021-07-30 | 2021-07-30 | Floating body platform for mooring of offshore floating type wind turbine |
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| Country | Link |
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| CN (1) | CN113460256A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230893A (en) * | 2022-05-13 | 2022-10-25 | 重庆大学 | A steel tube-supported-prestressed concrete floating foundation structure |
| TWI881291B (en) * | 2022-02-09 | 2025-04-21 | 日商三菱重工業股份有限公司 | Floating structures |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110037264A1 (en) * | 2008-04-23 | 2011-02-17 | Principle Power, Inc. | Column-stabilized offshore platform with water-entrapment plates and asymmetric mooring system for support of offshore wind turbines |
| CN105569928A (en) * | 2015-12-23 | 2016-05-11 | 天津大学 | Single point mooring type deep sea floating type draught fan |
| CN208102275U (en) * | 2018-01-23 | 2018-11-16 | 天津大学 | It is a kind of can transportation by driving offshore wind farm buoyant foundation |
| CN109263810A (en) * | 2018-09-14 | 2019-01-25 | 重庆交通大学 | A kind of self-floating navigation mark adapting to high water-level amplitude |
| 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 |
| CN111186535A (en) * | 2020-01-19 | 2020-05-22 | 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） | Semi-submersible high-power offshore floating wind power platform with flat lower floating body |
-
2021
- 2021-07-30 CN CN202110870837.1A patent/CN113460256A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110037264A1 (en) * | 2008-04-23 | 2011-02-17 | Principle Power, Inc. | Column-stabilized offshore platform with water-entrapment plates and asymmetric mooring system for support of offshore wind turbines |
| CN105569928A (en) * | 2015-12-23 | 2016-05-11 | 天津大学 | Single point mooring type deep sea floating type draught fan |
| CN208102275U (en) * | 2018-01-23 | 2018-11-16 | 天津大学 | It is a kind of can transportation by driving offshore wind farm buoyant foundation |
| CN109263810A (en) * | 2018-09-14 | 2019-01-25 | 重庆交通大学 | A kind of self-floating navigation mark adapting to high water-level amplitude |
| 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 |
| CN111186535A (en) * | 2020-01-19 | 2020-05-22 | 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） | Semi-submersible high-power offshore floating wind power platform with flat lower floating body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI881291B (en) * | 2022-02-09 | 2025-04-21 | 日商三菱重工業股份有限公司 | Floating structures |
| CN115230893A (en) * | 2022-05-13 | 2022-10-25 | 重庆大学 | A steel tube-supported-prestressed concrete floating foundation structure |
| CN115230893B (en) * | 2022-05-13 | 2024-02-02 | 重庆大学 | A floating foundation structure supported by steel pipes and prestressed concrete |
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Application publication date: 20211001 |
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