CN219793976U - Auxiliary foundation structure of offshore wind power pile - Google Patents
Auxiliary foundation structure of offshore wind power pile Download PDFInfo
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- CN219793976U CN219793976U CN202320622861.8U CN202320622861U CN219793976U CN 219793976 U CN219793976 U CN 219793976U CN 202320622861 U CN202320622861 U CN 202320622861U CN 219793976 U CN219793976 U CN 219793976U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011440 grout Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an auxiliary foundation structure of an offshore wind power pile, which is provided with a main sleeve and auxiliary sleeves uniformly arranged outside the main sleeve along the circumferential direction of the main sleeve, wherein the main sleeve and the auxiliary sleeves are fixedly connected through a steel box girder, the main sleeve is sleeved outside a single pile foundation anchored in a seabed surface, and the auxiliary sleeves are sleeved outside auxiliary piles anchored in the seabed surface. So, after anchor the seafloor with single pile foundation in, through outside the main sleeve suit of this auxiliary foundation structure is single pile foundation, realize installing this auxiliary foundation structure on single pile foundation, this auxiliary foundation structure is on single pile foundation along the axial direction of single pile foundation remove to the seafloor, through pass auxiliary pile with main sleeve fixed connection's auxiliary sleeve and anchor auxiliary pile into the seafloor in, realize by auxiliary pile, auxiliary sleeve, steel case roof beam and main sleeve cooperation play stable the making effect to single pile foundation. The utility model is suitable for the technical field of offshore wind power equipment.
Description
Technical Field
The utility model relates to an auxiliary foundation structure of an offshore wind power pile. The method is suitable for the technical field of offshore wind power equipment.
Background
At present, the offshore wind power generation industry rapidly develops in China, and about 70% of offshore wind power plants built at home and abroad adopt single pile foundations. At present, the offshore wind power engineering is cost-saving, a wind turbine generator set with higher power is often adopted, and along with the development of offshore wind power, wind farms are increasingly developed in the deep sea direction. Along with the increase of the upper fan load, the shallow surface layer of the coastal area is mostly muddy soft soil, and the pure single pile foundation is easy in process, but the single pile foundation is often large in diameter, so that steel consumption is large, pile sinking difficulty is large, and the conventional offshore single pile foundation construction equipment cannot meet construction requirements. At present, aiming at the situation, a jacket foundation is often adopted to improve the stability of a single pile foundation. However, the conventional jacket foundation has the defects of more manufacturing nodes, higher fatigue problem in a splash zone, higher processing and manufacturing difficulty and the like.
Therefore, research and development of a fan foundation type which is suitable for deep open sea and large-unit offshore wind power environments and has good economic benefit are needed.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the technical problems, the utility model provides an auxiliary foundation structure of an offshore wind power pile.
The technical scheme adopted by the utility model is as follows: an auxiliary foundation structure of marine wind power pile which characterized in that: the anchor pile comprises a main sleeve and an auxiliary sleeve arranged outside the main sleeve along the circumferential direction of the main sleeve, wherein the main sleeve is fixedly connected with the auxiliary sleeve through a steel box girder, the main sleeve is sleeved outside a single pile foundation anchored in a seabed surface, and the auxiliary sleeve is sleeved outside an auxiliary pile anchored in the seabed surface. So, after anchor the seafloor with single pile foundation in, through outside the main sleeve suit of this auxiliary foundation structure is single pile foundation, realize installing this auxiliary foundation structure on single pile foundation, this auxiliary foundation structure is on single pile foundation along the axial direction of single pile foundation remove to the seafloor, through pass auxiliary pile with main sleeve fixed connection's auxiliary sleeve and anchor auxiliary pile into the seafloor in, realize by auxiliary pile, auxiliary sleeve, steel case roof beam and main sleeve cooperation play stable the making effect to single pile foundation.
The main grouting packer is characterized in that a main grouting pipe used for enabling concrete slurry to be uniformly filled between the main sleeve and the single pile foundation is arranged on the inner wall of the main sleeve, and the main grouting packer is arranged on the inner wall of the main sleeve close to one end of the seabed surface. Thus, after the main sleeve is sleeved on the single pile foundation, concrete slurry is poured between the main sleeve and the single pile foundation through the main grouting pipe, and the main sleeve and the single pile foundation are fixedly bonded by concrete when the concrete is coagulated. The main grouting packer can effectively avoid concrete slurry leakage when concrete slurry is poured between the single pile foundation and the main sleeve.
The auxiliary grouting device is characterized in that an auxiliary grouting pipe used for enabling concrete slurry to be uniformly filled between the auxiliary sleeve and the auxiliary pile is arranged on the inner wall of the auxiliary sleeve, and an auxiliary grouting packer is arranged on the inner wall of the auxiliary sleeve close to one end of the seabed surface. Thus, after the auxiliary pile passes through the auxiliary sleeve and is anchored into the seabed, concrete slurry is poured between the auxiliary sleeve and the garment through the auxiliary grouting pipe, and the auxiliary sleeve and the auxiliary pile are fixedly bonded by concrete when the concrete is coagulated. The auxiliary grouting packer can effectively avoid concrete slurry leakage when concrete slurry is poured between the auxiliary pile and the auxiliary sleeve.
The main sleeve inner wall is provided with a main guide groove, and the auxiliary sleeve inner wall is provided with an auxiliary guide groove. Thus, the main sleeve is conveniently sleeved on the single pile foundation through the main guide groove and the auxiliary sleeve is conveniently sleeved on the auxiliary pile through the auxiliary guide groove.
The top surface of the single pile foundation is connected with a wind power tower through a flange, and a foundation platform is arranged on the wind power tower.
And 2-6 auxiliary sleeves are arranged on the outer side of the single pile foundation according to actual conditions, and the auxiliary sleeves are symmetrical with the single pile foundation as a center.
The auxiliary piles are anchored into the sea bed surface in the vertical direction or in the inclined direction with a certain angle.
The beneficial effects of the utility model are as follows: compared with a simple large-diameter single pile foundation, the auxiliary foundation structure can reduce the diameter, weight, length and the like of the large-diameter single pile foundation, reduce the manufacturing difficulty of the large-diameter single pile foundation and keep the single pile foundation to have good stability; in the utility model, the main sleeve and the auxiliary sleeve are cylindrical, the welding amount is relatively small, and meanwhile, the steel structure manufacturing nodes are small; the auxiliary piles can adopt inclined piles, so that the rigidity of the foundation is improved.
Drawings
Fig. 1: the auxiliary pile is arranged vertically.
Fig. 2: the plan layout of the utility model when arranging 2 auxiliary piles is schematically shown.
Fig. 3: the plan layout of the utility model when arranging 3 auxiliary piles is schematically shown.
Fig. 4: the auxiliary pile is obliquely arranged in the utility model.
In the figure: 1. a single pile foundation; 2. a main sleeve; 2-1, a main grouting pipe; 2-2, a main grouting packer; 2-3, a main guide groove; 3. a steel box girder; 4. auxiliary piles; 5. an auxiliary sleeve; 5-1, auxiliary grouting pipes; 5-2, auxiliary grouting packer; 5-3, auxiliary guide grooves; 6. a wind power tower; 7. a base platform.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The embodiment is an auxiliary foundation structure of an offshore wind power pile, which is used for supporting a single pile foundation 1 of the offshore wind power pile. The top surface of the single pile foundation of the wind power tower is connected with the wind power tower 6 through a flange, and a foundation platform 7 is arranged on the wind power tower 6.
In this embodiment, there is a main sleeve 2 and an auxiliary sleeve 5 fixedly connected to the main sleeve 2 by a steel box girder 3. The auxiliary sleeve 5 is arranged outside the main sleeve 2 in the circumferential direction of the main sleeve 2.
In this embodiment, after the single pile foundation 1 is anchored to the seabed, the auxiliary foundation structure is mounted on the single pile foundation 1 by sleeving the main sleeve 2 outside the single pile foundation 1. The main sleeve 2 sleeved on the single pile foundation 1 moves towards the seabed surface under gravity reuse and finally contacts with the seabed surface.
In this embodiment, a main grouting pipe 2-1 for uniformly filling concrete slurry between the main sleeve 2 and the single pile foundation 1 is provided on the inner wall of the main sleeve 2, and a main grouting packer 2-2 is installed on the inner wall of the main sleeve 2 near one end of the seabed. The main grouting packer 2-2 is used for preventing concrete slurry poured between the main sleeve 2 and the single pile foundation 1 from leaking from the bottom of the main sleeve 2; the main grouting pipe 2-1 extends from the top of the main sleeve 2 to the bottom of the main sleeve 2, and is used for uniformly filling concrete slurry between the main sleeve 2 and the single pile foundation 1 when the main grouting pipe 2-1 is used for grouting the concrete slurry between the main sleeve 2 and the single pile foundation 1. After the main sleeve 2 moves to the sea level, the main grouting pipe 2-1 is used for grouting concrete slurry between the main sleeve 2 and the single pile foundation 1, and after the concrete slurry is coagulated, the coagulated concrete can fixedly connect the main sleeve 2 with the single pile foundation 1.
In the embodiment, 2-6 auxiliary sleeves 5 are arranged around the main sleeve 2 according to the situation of the wind-powered electric pile and the sea area, and the auxiliary sleeves 5 are fixedly connected with the main sleeve 2 through the steel box girder 3. The auxiliary sleeve 5 can be uniformly arranged or unevenly arranged according to actual needs. The main sleeve 2 and the auxiliary sleeve 5 are welded with the steel box girder 3. The auxiliary sleeve 5 may be arranged in a vertical direction or in an inclined direction at an angle. In this way, after the auxiliary foundation structure moves to the seabed surface, the auxiliary pile 4 is anchored into the seabed surface after the auxiliary pile 4 passes through the auxiliary sleeve 5, so that the auxiliary foundation structure formed by matching the auxiliary pile 4, the auxiliary sleeve 5, the steel box girder 3 and the main sleeve 2 plays a good stable supporting role on the single pile foundation 1.
In this embodiment, an auxiliary grouting pipe 5-1 for uniformly filling concrete slurry between the auxiliary sleeve 5 and the auxiliary pile 4 is provided on the inner wall of the auxiliary sleeve 5, and an auxiliary grouting packer 5-2 is installed on the inner wall of the auxiliary sleeve 5 near one end of the seabed. The auxiliary grouting packer 5-2 is used for preventing concrete grout poured between the auxiliary sleeve 5 and the auxiliary pile 4 from leaking from the bottom of the auxiliary sleeve 5; the auxiliary grouting pipe 5-1 extends from the top of the auxiliary sleeve 5 to the bottom of the auxiliary sleeve 5, and is used for uniformly filling the concrete grout between the auxiliary sleeve 5 and the auxiliary pile 4 when the concrete grout is poured between the auxiliary sleeve 5 and the auxiliary pile 4 through the auxiliary grouting pipe 5-1. After the auxiliary sleeve 5 moves to the sea level, the auxiliary grouting pipe 5-1 is used for grouting concrete slurry between the auxiliary sleeve 5 and the auxiliary pile 4, and after the concrete slurry is coagulated, the coagulated concrete can fixedly connect the auxiliary sleeve 5 with the auxiliary pile 4.
In this embodiment, for convenience, the main sleeve 2 is sleeved on the single pile foundation 1 through the main guide groove 2-3, the auxiliary sleeve 5 is sleeved on the auxiliary pile 4 through the auxiliary guide groove 5-3, the main guide groove 2-3 is arranged on the inner wall of the main sleeve 2, and the auxiliary guide groove 5-3 is arranged on the inner wall of the auxiliary sleeve 5.
Claims (7)
1. An auxiliary foundation structure of marine wind power pile which characterized in that: the anchor seabed foundation pile comprises a main sleeve (2) and an auxiliary sleeve (5) which is arranged outside the main sleeve (2) along the circumferential direction of the main sleeve (2), wherein the main sleeve (2) and the auxiliary sleeve (5) are fixedly connected through a steel box girder (3), the main sleeve (2) is sleeved outside a single pile foundation (1) anchored in the seabed surface, and the auxiliary sleeve (5) is sleeved outside an auxiliary pile (4) anchored in the seabed surface.
2. An auxiliary foundation structure of an offshore wind power pile according to claim 1, wherein: the main grouting device is characterized in that a main grouting pipe (2-1) used for enabling concrete slurry to be uniformly filled between the main sleeve (2) and the single pile foundation (1) is arranged on the inner wall of the main sleeve (2), and a main grouting packer (2-2) is arranged on the inner wall of the main sleeve (2) close to one end of a seabed surface.
3. An auxiliary foundation structure of an offshore wind power pile according to claim 1, wherein: an auxiliary grouting pipe (5-1) for uniformly filling concrete slurry between the auxiliary sleeve (5) and the auxiliary pile (4) is arranged on the inner wall of the auxiliary sleeve (5), and an auxiliary grouting packer (5-2) is arranged on the inner wall of the auxiliary sleeve (5) close to one end of the seabed.
4. An auxiliary foundation structure of an offshore wind power pile according to claim 1, wherein: a main guide groove (2-3) is formed in the inner wall of the main sleeve (2), and an auxiliary guide groove (5-3) is formed in the inner wall of the auxiliary sleeve (5).
5. An auxiliary foundation structure of an offshore wind power pile according to claim 1, wherein: the top surface of the single pile foundation (1) is connected with a wind power tower (6) through a flange, and a foundation platform (7) is arranged on the wind power tower (6).
6. An auxiliary foundation structure of an offshore wind power pile according to claim 1, wherein: 2-6 auxiliary sleeves (5) are arranged on the outer side of the single pile foundation (1) according to actual conditions, and the auxiliary sleeves (5) are symmetrical with the single pile foundation (1) as a center.
7. An auxiliary foundation structure of an offshore wind power pile according to claim 1, wherein: the auxiliary piles (4) are anchored into the sea bed surface in the vertical direction or in the inclined direction with a certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622861.8U CN219793976U (en) | 2023-03-27 | 2023-03-27 | Auxiliary foundation structure of offshore wind power pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622861.8U CN219793976U (en) | 2023-03-27 | 2023-03-27 | Auxiliary foundation structure of offshore wind power pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219793976U true CN219793976U (en) | 2023-10-03 |
Family
ID=88184624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320622861.8U Active CN219793976U (en) | 2023-03-27 | 2023-03-27 | Auxiliary foundation structure of offshore wind power pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219793976U (en) |
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2023
- 2023-03-27 CN CN202320622861.8U patent/CN219793976U/en active Active
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