CN112127383A - Offshore wind power foundation with separated bins in barrel top dense beam barrel and single-column negative pressure barrel - Google Patents
Offshore wind power foundation with separated bins in barrel top dense beam barrel and single-column negative pressure barrel Download PDFInfo
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- CN112127383A CN112127383A CN202011066420.1A CN202011066420A CN112127383A CN 112127383 A CN112127383 A CN 112127383A CN 202011066420 A CN202011066420 A CN 202011066420A CN 112127383 A CN112127383 A CN 112127383A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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- General Engineering & Computer Science (AREA)
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- Wind Motors (AREA)
Abstract
The invention relates to an offshore wind power foundation with a bin-dividing single-column negative pressure cylinder in a dense beam cylinder at the top of a cylinder, which comprises a single column and a negative pressure cylinder, wherein the bottom of the single column is connected with the top plate of the negative pressure cylinder through a T-shaped ring beam, and an inclined support is arranged between the single column and the negative pressure cylinder; the inclined supports comprise a plurality of inclined columns, vertical plates and horizontal beams which are uniformly arranged along the circumferential direction, and the inclined columns, the vertical plates and the horizontal beams are connected in a pairwise mode through straight sections in an intersecting or arc transition mode; be equipped with the girder between the adjacent horizontal beam, the girder is along radially welding on the roof, is equipped with the secondary beam between girder and the horizontal beam, and the secondary beam is arranged along the roof hoop. The inclined support and the negative pressure cylinder top plate are connected to form a whole, and the load borne by the single column is effectively transmitted to the negative pressure cylinder. The invention combines the advantages of simple construction of single pile foundation, definite force transfer, good stability of cylindrical foundation, convenient installation on the sea and the like, and solves the problems that the traditional pile type foundation needs large equipment for piling at the sea, and the rock-socketed construction has large difficulty, long construction period, high construction cost and the like.
Description
Technical Field
The invention relates to an offshore wind power foundation structure, in particular to an offshore wind power foundation with a bin-dividing single-column negative pressure cylinder in a dense beam cylinder at the top of a cylinder.
Background
Based on the geological conditions that most offshore areas in China are silt, mucky soil, clay, sandy soil and the like, in order to meet the requirements of bearing capacity and foundation deformation, pile foundations such as single piles, jackets and the like are generally adopted, large hoisting ships and piling ships are required to assist construction, pile bottoms are driven into a better bearing layer through hammering, the traditional pile foundation is higher in manufacturing cost and longer in construction period, if the traditional pile foundation is mostly rock foundations with shallow covering layers in sea areas such as Fujian and Guangdong, rock embedding construction needs to be carried out if the pile foundation is adopted, the difficulty is high, the construction period is long, and the engineering manufacturing cost is high.
With the increase of the capacity of a single machine of an offshore wind turbine, the size and the material consumption of a foundation are required to be increased by adopting a traditional single pile and jacket foundation, the problem that a large-diameter single pile and rock embedding are limited by large offshore construction equipment cannot be exceeded is solved, and the problems of high risk, long construction period and high engineering cost are solved.
With the continuous progress of the technology, the industry continuously explores to solve the problems. Such as:
the composite barrel type foundation (patent CN107761755A, CN106759445) has been used for offshore wind power and the negative pressure sinking installation mode (patent CN105926661A) of the barrel type foundation to avoid offshore piling and rock embedding operation, but the foundation is suitable for shallow water depth and the weight of 5000 tons, the available construction equipment resources are few, and the difficulty of manufacturing, transporting and hoisting is great.
An offshore wind power composite barrel type foundation (patent CN207567801U) can avoid offshore piling and rock-socketing operation, but the stress concentration at the joint of a single column in the middle of the foundation and a steel pipe inclined strut is very obvious, so that the fatigue and the punching of the foundation are not facilitated, and the steel consumption is large; the cylinder top plate needs to be provided with reinforced concrete, concrete needs to be poured into the inclined strut, the construction procedures are multiple and complex, the foundation weight is large, and the foundation is not beneficial to manufacturing, transporting and hoisting; the construction cost is high.
The offshore wind turbine single pile-suction barrel combined foundation and the construction method thereof (patent CN 110016930A) can avoid offshore pile driving and rock-socketed operation, the foundation consists of an upper barrel and a lower barrel, the construction is complex, the deformation coordination difficulty is large, the joint of the middle single pile and the middle single pile is too weak, a barrel top plate does not have an effective support system, the rigidity is weak, and the wind turbine load born by the middle single pile cannot be effectively transmitted to the barrels.
A connecting tool (CN 110607802A) for a single-column and composite-barrel combined foundation can avoid offshore piling and rock-socketing operation, only an upper ring plate is arranged at the joint of a foundation inclined strut and a middle single column, stress concentration at the joint is obvious, unfavorable fatigue is caused, and steel consumption is large; the diameter of the middle single column is transmitted into the cylinder to form a middle cabin, and because the diameter of the middle single column is smaller than that of the cylinder, a soil plug effect is easily generated in the negative pressure sinking process, and the sinking failure can be caused; because the diameter of the middle single column is smaller, the lengths of other bin distribution plates in the barrel are greatly increased, and buckling damage is easily generated in the transportation and sinking processes; the construction cost is high.
Disclosure of Invention
In order to solve the problems, the invention provides an offshore wind power foundation with a bin-dividing single-column negative pressure cylinder in a dense beam cylinder at the top of the cylinder.
The technical scheme adopted by the invention is as follows: the utility model provides a marine wind power basis of single-column negative pressure section of thick bamboo of dividing storehouse in dense roof beam section of thick bamboo of bobbin top, includes the single-column of vertical setting and sets up the negative pressure section of thick bamboo in the single-column bottom, single-column top and fan bottom flange joint, its characterized in that: the bottom of the single column is connected with a negative pressure cylinder top plate through a T-shaped ring beam, and an inclined support is arranged between the single column and the negative pressure cylinder;
the inclined support comprises a plurality of inclined columns, vertical plates and horizontal beams which are uniformly arranged along the circumferential direction, and the upper parts of the inclined columns are connected with the single column through circular annular plates; the horizontal beam is radially communicated along the negative pressure cylinder and is connected with a top plate of the negative pressure cylinder; the vertical plate is connected with the single pile along the height direction of the single pile, and the inclined columns, the vertical plate and the horizontal beam are connected in pairs through straight sections in an intersecting or arc transition mode; a main beam is arranged between every two adjacent horizontal beams, the main beam is welded on the top plate along the radial direction, one end of the main beam is welded on the T-shaped ring beam, and the other end of the main beam is welded on the outer cylinder wall of the negative pressure cylinder; be equipped with the secondary beam between main girder and the horizontal beam, the secondary beam is arranged along the roof ring. The inclined support and the negative pressure cylinder top plate are connected to form a whole, and the load borne by the single column is effectively transmitted to the negative pressure cylinder.
Preferably, the cross section of the inclined column is I-shaped, box-shaped or cross-shaped, and the height of the inclined column is 1.0-5 m; the section of the vertical plate is T-shaped; the cross section of the horizontal beam is T-shaped, and the height of the horizontal beam is 0.3-2 m.
Preferably, the inner diameter of the connecting ring plate is equal to the outer diameter of the single column, and the connecting part of the connecting ring plate and the upper part of the oblique column is in cross connection through straight sections or arc transition connection.
Preferably, the sections of the main beams and the secondary beams are I-shaped or T-shaped, and the height is 0.3-2 m.
Preferably, the negative pressure barrel comprises a top plate, an outer barrel wall, an outer bin distribution plate and an inner bin distribution plate, and the outer bin distribution plate and the inner bin distribution plate, the top plate and the outer barrel wall enclose a plurality of cabins.
Furthermore, the top plate is provided with a drainage and exhaust valve which is communicated with the cabins in a one-to-one correspondence manner.
Furthermore, the diameter of the drainage and exhaust valve is 20 mm-300 mm.
Preferably, the single column has an equal-diameter circular cross section.
Preferably, the top plate of the negative pressure cylinder is paved with gravels and concrete; or water is filled in the single column, so that the weight of the foundation is increased, and the foundation is favorably sunk.
The beneficial effects obtained by the invention are as follows:
1. the inclined support bottom horizontal beam runs through the cylinder top, the cylinder top adopts a dense beam structure, a main beam and a secondary beam are arranged, the calculation span of a cylinder top plate is shortened, the thickness of a cylinder top steel plate can be reduced to 20mm from 40mm, the steel consumption is reduced, the integral rigidity of the foundation is improved, and the foundation frequency is increased.
2. The single column does not stretch into the barrel, the bottom is connected with the barrel top plate through the T-shaped ring beam, the middle part in the barrel adopts a polygonal or circular cabin with a larger space, the internal cabin in the barrel is more uniform, a soil plug cannot be formed in the sinking process, meanwhile, the calculated length of other cabin dividing plates in the barrel can be reduced, the capability of resisting buckling instability is enhanced, the thickness of the cabin dividing plates is reduced to 20mm from 35mm, and the steel consumption is reduced.
Compared with the existing wind power foundation, the wind power foundation can save the steel consumption by more than 30%, reduce the lifting capacity grade of a marine floating crane construction ship, reduce the use cost of construction equipment and reduce the construction cost by more than 25% by comprehensively considering the technology of the invention.
In conclusion, the wind power foundation can be suitable for the water depth of 5-50 m, is simple in structure and convenient to manufacture, can avoid offshore piling and rock-socketing operation, and can shorten the construction period; the steel consumption is less, the weight is light, the requirement on offshore construction equipment is relatively low, and the construction cost of foundation engineering can be reduced by more than 25%.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an elevational view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic structural view of the diagonal bracing;
FIG. 5 is an elevational view of FIG. 4;
FIG. 6 is a schematic view of the arrangement of the top plate beam system of the negative pressure cylinder;
FIG. 7 is a schematic view of the structure of the sub-chamber inside the negative pressure cylinder;
reference numerals: 1. a single column; 2. a bracing system; 3. the negative pressure cylinder (a, a top plate, b, an outer cylinder wall, c, an outer bin distribution plate, d, an inner bin distribution plate); 4. a connecting ring plate; 5. a T-shaped ring beam; 6. an oblique column; 7. a vertical plate; 8. a horizontal beam; 9. arc transition; 10. a main beam; 11. a secondary beam; 12. A drainage and exhaust valve; 13. the horizontal beams are crossed and transition connected with the components; 14. a thick-walled steel pipe; 15. and (4) solid casting.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments.
As shown in the figures 1-7, the offshore wind power foundation with the single-column negative pressure cylinder for the inner bin separation of the dense beam cylinder at the top of the cylinder comprises a single column 1 and a negative pressure cylinder 3, wherein the single column 1 is vertically arranged, the top of the single column 1 is connected with a wind turbine bottom flange, and the bottom of the single column 1 is fixedly connected with a top plate a of the negative pressure cylinder 3. The single column 1 is fixedly connected with the negative pressure cylinder 3 through the inclined strut 2, the inclined strut 2 and a top plate a of the negative pressure cylinder 3 are fixedly connected to form a whole, and the load borne by the single column 1 is effectively transmitted to the negative pressure cylinder 3. According to the invention, water and gas in the negative pressure cylinder 3 are discharged by using the negative pressure system to form negative pressure, the foundation is sunk and installed in surface soil, the cylinder top of the negative pressure cylinder 3 is contacted with the surface of a sea bed, if a soft soil layer with large surface thickness is met, soft soil with a certain depth can be removed firstly, and then the foundation is installed.
In the embodiment, the single column 1 is a steel pipe and is formed by rolling and welding uniform-section steel pipes, the diameter is 5-20 m, the wall thickness is 30-200 mm, the diameter of the upper portion of the single column is matched with that of the bottom of a tower, the middle portion of the single column is welded with the inclined support 2 through the connecting ring plate 4, and the bottom of the single column is welded with the top plate a of the negative pressure cylinder 3 through the T-shaped ring beam 9.
As shown in fig. 2-5, in this embodiment, the inclined strut 2 includes a plurality of inclined columns 6, vertical plates 7 and horizontal beams 8 uniformly arranged in a circumferential direction, and a single inclined column 6 is connected with the corresponding vertical plate 7 and horizontal beam 8 in pairs through arc transitions 9 to form a triangle-like structure; a plurality of similar triangular structures are connected together through horizontal beams 8 to form a hollow inclined strut system, and the horizontal beams 8 are in transition connection through horizontal beam intersecting transition connection components 13 (solid castings 15 or thick-wall steel pipes 14). The upper parts of the inclined columns 6 are fixedly connected with the single column 1 through a circular connecting ring plate 4, and the bottom ends of the inclined columns 6 can be arranged at the edge of a top plate a of the negative pressure cylinder 3, can retract and is arranged in the diameter range of the top plate a of the negative pressure cylinder 3; the horizontal beam 8 penetrates through the negative pressure cylinder 3 along the radial direction and is fixedly connected with the top plate a of the negative pressure cylinder 3; the vertical plate 7 is connected with the single pile 1 along the height direction of the single pile 1. In the embodiment, the inclined column 6 is H-shaped steel with the height of 1.0-5 m; the horizontal beam 14 is H-shaped steel and has a height of 0.3-2 m.
With reference to fig. 3-6, in this embodiment, a main beam 10 is disposed between adjacent horizontal beams 8, the main beam 10 is welded to the top plate a along the radial direction, one end of the main beam 10 is welded to the T-shaped ring beam 5, and the other end is welded to the outer cylinder wall b of the negative pressure cylinder 3; a plurality of secondary beams 11 are arranged between the main beam 10 and the horizontal beam 8, the secondary beams 11 are arranged along the annular direction of the top plate a, and the distance between every two adjacent secondary beams 11 between the same main beam 10 and the horizontal beam 8 is 0.5-4.0 m. The main beam 11 and the secondary beam 10 are both made of T-shaped steel with the height of 0.3-2 m. The main beam 10, the secondary beam 11 and the horizontal beam 8 are fixedly connected with each other to form a top beam system of the negative pressure cylinder 3.
In this embodiment, the connection ring plate 4 and the batter post 6 are crossed through straight section or circular arc transitional coupling, and the connection ring plate 4 welds along the hoop with 6 tops of batter post, and the connection ring plate 4 is made by the annular steel sheet of thickness 20 ~ 150 mm.
Referring to fig. 7, in the present embodiment, the negative pressure cylinder 3 includes a top plate a, an outer cylinder wall b, an outer partition plate c, and an inner partition plate d, and the outer partition plate c and the inner partition plate d, the top plate a, and the outer cylinder wall b enclose a plurality of chambers (5 to 11 chambers). The outer cylinder wall b is formed by rolling and welding steel pipes, the diameter of the cylinder is 10-50 m, and the height of the cylinder is 5-30 m; the outer bin distribution plate c and the inner bin distribution plate d are made of steel plates with the thickness of 10-60 mm, are welded on the inner side of the outer cylinder wall b, and divide the interior of the negative pressure cylinder 3 into 7 cabins; the top plate a is composed of a plurality of steel plates and is welded on the tops of the outer bin dividing plate c, the inner bin dividing plate d and the outer cylinder wall b to form the negative pressure cylinder 3, and the top plate a is provided with drainage and exhaust valves 12 which are communicated with the cabins in a one-to-one correspondence mode.
The construction method of the foundation comprises the following steps:
a. prefabricating a foundation in a factory;
the steps of foundation prefabrication are as follows:
(1) rolling and welding the uniform-section steel pipe to form a single column 1;
(2) the inclined column 6 is H-shaped steel, the vertical plate 7 is T-shaped steel, the horizontal beam 8 is T-shaped steel, the intersection of the horizontal beam 8 is in transition connection through a solid casting or a thick-wall steel pipe 14, welding points are dispersed, and the inclined column 6, the vertical plate 7 and the horizontal beam 8 are connected through an arc transition 9 to form an inclined support 2;
(3) the outer cylinder wall b is formed by rolling and welding steel pipes, the outer bin dividing plate c and the inner bin dividing plate d are formed by steel plates and welded on the inner side of the outer cylinder wall b, the inner part of the negative pressure cylinder 3 is divided into 7 cabins, and the top plate a is formed by a plurality of steel plates and welded on the top of the outer bin dividing plate c, the inner bin dividing plate d and the top of the outer cylinder wall b to form the negative pressure cylinder 3;
(4) the connecting ring plate 4 is welded with the top of the inclined column 6 along the ring direction;
(5) hoisting the inclined support 2 system to the top of the negative pressure cylinder 3 and welding the inclined support with the top plate a;
(6) welding the bottom T-shaped ring beam 9 with the top plate a;
(7) the single column 1 penetrates through a reserved hole in the middle of the inclined support 2, the bottom of the single column is welded with the T-shaped ring beam 9, and the middle of the single column is welded with the inclined column 6 and the connecting ring plate 4;
(8) the corresponding part of the top plate a and each cabin is provided with an air and water discharge valve 12;
b. the foundation is transported to a designated installation site through a barge or a floating transport;
c. the foundation is lifted away from the barge (floating transportation is carried out by discharging water and gas in the negative pressure cylinder) and is sunk to the surface of the sea bed through the floating crane;
d. sinking to a certain depth below the surface of the sea bed through the self weight of the foundation;
e. downward negative pressure is formed by discharging water and gas in the negative pressure barrel, the top surface of the barrel is sunk to be in close contact with the surface of the sea bed by the foundation through negative pressure sinking, and the installation inclination rate of the foundation can be controlled within a reasonable range by adjusting the negative pressure of each cabin in the barrel in the sinking process.
The foregoing shows and describes the general principles and principal structural features of the present invention. The present invention is not limited to the above examples, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a marine wind power basis of single-column negative pressure section of thick bamboo of warehouse in dense roof beam section of thick bamboo, includes single-column (1) of vertical setting and negative pressure section of thick bamboo (3) of setting in single-column (1) bottom, single-column (1) top and fan bottom flange joint, its characterized in that: the bottom of the single column (1) is connected with a top plate (a) of the negative pressure cylinder (3) through a T-shaped ring beam (5), and an inclined support (2) is arranged between the single column (1) and the negative pressure cylinder (3);
the inclined support (2) comprises a plurality of inclined columns (6), vertical plates (7) and horizontal beams (8) which are uniformly arranged along the circumferential direction, and the upper parts of the inclined columns (6) are connected with the single column (1) through circular ring plates; the horizontal beam (8) penetrates through the negative pressure cylinder (3) in the radial direction and is connected with a top plate (a) of the negative pressure cylinder (3); the vertical plates (7) are connected with the single piles (1) along the height direction of the single piles (1), and the inclined columns (6), the vertical plates (7) and the horizontal beams (8) are connected in pairs through straight section intersection or arc transition; a main beam (10) is arranged between the adjacent horizontal beams (8), the main beam (10) is welded on the top plate (a) along the radial direction, one end of the main beam is welded on the T-shaped ring beam (5), and the other end of the main beam is welded on the outer cylinder wall (b) of the negative pressure cylinder (3); a secondary beam (11) is arranged between the main beam (10) and the horizontal beam (8), and the secondary beam (11) is annularly arranged along the top plate (a); the inner diameter of the connecting ring plate (4) is equal to the outer diameter of the single column (1), and the connecting part of the connecting ring plate (4) and the upper part of the inclined column (6) is in cross connection through a straight section or in transition connection through an arc;
the negative pressure barrel (3) comprises a top plate (a), an outer barrel wall (b), an outer bin distribution plate (c) and an inner bin distribution plate (d), and the outer bin distribution plate (c) and the inner bin distribution plate (d), the top plate (a) and the outer barrel wall (b) enclose a plurality of cabins; and the top plate (a) is provided with drainage and exhaust valves (12) which are communicated with the cabins in a one-to-one correspondence manner.
2. The offshore wind power foundation with the barrel top, the dense beam barrel and the inner bin-dividing single-column negative pressure barrel as claimed in claim 1, wherein: the cross section of the inclined column (6) is I-shaped, box-shaped or cross-shaped, and the height is 1.0-5 m; the section of the vertical plate (7) is T-shaped; the cross section of the horizontal beam (8) is T-shaped, and the height is 0.3-2 m.
3. The offshore wind power foundation with the barrel top, the dense beam barrel and the inner bin-dividing single-column negative pressure barrel as claimed in claim 1, wherein: the sections of the main beam (10) and the secondary beam (11) are I-shaped or T-shaped, and the height is 0.3-2 m.
4. The offshore wind power foundation with the barrel top, the dense beam barrel and the inner bin-dividing single-column negative pressure barrel as claimed in claim 1, wherein: the diameter of the drainage exhaust valve (12) is 20-300 mm.
5. The offshore wind power foundation with the barrel top, the dense beam barrel and the inner bin division single-column negative pressure barrel as claimed in claim 1, wherein the offshore wind power foundation comprises: the single column (1) is of an equal-diameter circular section.
6. The offshore wind power foundation with the barrel top, the dense beam barrel and the inner bin-dividing single-column negative pressure barrel as claimed in claim 1, wherein: broken stones and concrete are paved on the top plate (a); or the single column (1) is filled with water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066420.1A CN112127383A (en) | 2020-09-30 | 2020-09-30 | Offshore wind power foundation with separated bins in barrel top dense beam barrel and single-column negative pressure barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066420.1A CN112127383A (en) | 2020-09-30 | 2020-09-30 | Offshore wind power foundation with separated bins in barrel top dense beam barrel and single-column negative pressure barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112127383A true CN112127383A (en) | 2020-12-25 |
Family
ID=73843677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011066420.1A Withdrawn CN112127383A (en) | 2020-09-30 | 2020-09-30 | Offshore wind power foundation with separated bins in barrel top dense beam barrel and single-column negative pressure barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112127383A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718843A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power suction barrel foundation with turbulence net |
| CN113864128A (en) * | 2021-10-27 | 2021-12-31 | 上海电气风电集团股份有限公司 | Offshore wind turbine supporting structure and offshore wind turbine |
| CN114102065A (en) * | 2021-12-07 | 2022-03-01 | 南通振华重型装备制造有限公司 | Method for mounting suction barrel cover |
| CN114232672A (en) * | 2021-12-17 | 2022-03-25 | 天津大学 | Five-cylinder jacket structure for offshore wind power |
| CN114809064A (en) * | 2022-02-28 | 2022-07-29 | 上海勘测设计研究院有限公司 | Single-column composite cylindrical foundation structure and construction method thereof |
| WO2024078329A1 (en) * | 2022-10-10 | 2024-04-18 | 上海风领新能源有限公司 | Lifting type tower barrel foundation, prefabricated module, and wind vane tower barrel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761755A (en) * | 2017-11-30 | 2018-03-06 | 天津大学 | A kind of compound bucket foundation of offshore wind farm |
| CN110055995A (en) * | 2019-05-21 | 2019-07-26 | 上海勘测设计研究院有限公司 | A kind of offshore power generator foundation structure and its construction method |
-
2020
- 2020-09-30 CN CN202011066420.1A patent/CN112127383A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761755A (en) * | 2017-11-30 | 2018-03-06 | 天津大学 | A kind of compound bucket foundation of offshore wind farm |
| CN110055995A (en) * | 2019-05-21 | 2019-07-26 | 上海勘测设计研究院有限公司 | A kind of offshore power generator foundation structure and its construction method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718843A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power suction barrel foundation with turbulence net |
| CN113864128A (en) * | 2021-10-27 | 2021-12-31 | 上海电气风电集团股份有限公司 | Offshore wind turbine supporting structure and offshore wind turbine |
| CN113864128B (en) * | 2021-10-27 | 2023-06-27 | 上海电气风电集团股份有限公司 | Offshore wind turbine supporting structure and offshore wind turbine |
| CN114102065A (en) * | 2021-12-07 | 2022-03-01 | 南通振华重型装备制造有限公司 | Method for mounting suction barrel cover |
| CN114102065B (en) * | 2021-12-07 | 2023-06-13 | 南通振华重型装备制造有限公司 | Suction cylinder cover mounting method |
| CN114232672A (en) * | 2021-12-17 | 2022-03-25 | 天津大学 | Five-cylinder jacket structure for offshore wind power |
| CN114809064A (en) * | 2022-02-28 | 2022-07-29 | 上海勘测设计研究院有限公司 | Single-column composite cylindrical foundation structure and construction method thereof |
| WO2024078329A1 (en) * | 2022-10-10 | 2024-04-18 | 上海风领新能源有限公司 | Lifting type tower barrel foundation, prefabricated module, and wind vane tower barrel |
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Application publication date: 20201225 |