CN211646452U - Fan foundation and fan - Google Patents
Fan foundation and fan Download PDFInfo
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- CN211646452U CN211646452U CN202020125917.5U CN202020125917U CN211646452U CN 211646452 U CN211646452 U CN 211646452U CN 202020125917 U CN202020125917 U CN 202020125917U CN 211646452 U CN211646452 U CN 211646452U
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- foundation
- pile
- fan
- foundation structure
- wind turbine
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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
Abstract
The utility model discloses a fan foundation and fan, fan foundation include foundation structure and three piece at least pile foundations, foundation structure on be provided with transmission system that surges, the pile foundation be connected with foundation structure through transmission system that surges, transmission system that surges realize the lift of pile foundation, make the pile foundation descend to the seabed or upwards rise from the seabed. The utility model discloses a foundation structure adopts full concrete material or steel-concrete material, can reduce the construction cost of foundation structure, simultaneously, the cabin that sets up in the foundation structure can be used for arranging electrical equipment, has reduced the construction cost of other parts of fan; the utility model discloses a fan, its fan basis, pylon and wind turbine generator system can assemble at the pier, then wholly consign to the target site and accomplish the installation, and the cost is lower and the operation is convenient.
Description
Technical Field
The utility model relates to a wind generating set fixes technical field, especially relates to a fan basis and fan.
Background
At present, the mainstream fixed fan foundation mainly comprises a gravity type foundation, a single-pile foundation, a high bearing platform foundation and a jacket foundation, the gravity type foundation is required to be piled on the sea, and then a wind turbine generator set is hoisted, so that the construction time is long, the influence of the operation period is large, and the cost is high. And offshore pile foundation construction is obviously influenced by geological conditions and exploration design, and along with the increase of water depth, the piling cost and the cost of a foundation steel structure can be greatly increased, so that the offshore wind power cost reduction is a difficult problem. Meanwhile, the offshore wind power plant gradually moves to a deep water area, offshore construction operation ship resources are in short supply, and the hoisting and piling operation capacity is limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fan foundation and fan, foundation structure adopt concrete material or steel-concrete design, reduce the foundation structure cost, and fan foundation adopts the pile foundation, reduces the marine pile operation, and fan foundation, pylon and wind generating set can assemble at the pier, then wholly consign to the target site, and the cost is lower and the operation is convenient.
In order to achieve the purpose, the utility model provides a fan foundation, which comprises a foundation structure and at least three pile foundations fixed to the seabed, wherein the foundation structure is provided with a hydraulic transmission system, and the pile foundations are connected with the foundation structure through the hydraulic transmission system; the hydraulic transmission system realizes the lifting of the pile foundation, so that the pile foundation is lowered to the seabed or lifted upwards from the seabed.
Preferably, the base structure is a closed box structure, and at least two chambers are arranged inside the base structure and used for filling ballast and arranging electric equipment.
Preferably, the foundation structure is made of a full concrete material or a steel-concrete material.
Preferably, the pile foundation include spud leg and the pile head of connecting the spud leg, the spud leg be connected with transmission system that surges, the spud leg lift under transmission system's that surges effect.
Preferably, the pile head is a suction barrel type foundation and/or a steel pipe pile foundation with a pile shoe.
The utility model also provides a fan, including fan basis, pylon and wind turbine generator system, the one end and the foundation structure of pylon be connected, the other end is connected with wind turbine generator system.
The utility model has the advantages of it is following:
the foundation structure of the fan foundation provided by the utility model adopts concrete materials or steel-concrete materials, so that the construction cost of the foundation structure can be reduced, meanwhile, the foundation structure is a closed box-type structure, and a plurality of cabins are arranged in the foundation structure and can be used for arranging electrical equipment, thereby reducing the structural design of other parts of the fan and saving the fan cost; the utility model provides a fan foundation adopts the pile foundation of liftable, has reduced marine pile operation, and simultaneously, fan foundation, pylon and wind turbine generator system can assemble at the pier, then wholly consigns to the target site and accomplishes the installation, and the cost is lower and the operation is convenient.
Drawings
Fig. 1 is the embodiment of the utility model provides a include the structural schematic diagram of the small discharge capacity fan basis of three pile foundations.
Fig. 2 is the embodiment of the utility model provides a include the structural schematic diagram of the small discharge capacity fan basis of four pile foundations.
Fig. 3 is the embodiment of the utility model provides a include the structural schematic diagram of the big discharge capacity fan foundation of three pile foundations.
Fig. 4 is the embodiment of the utility model provides a include the structural schematic diagram of the big discharge capacity fan foundation of four pile foundations.
Fig. 5 is a schematic structural diagram of a fan provided by an embodiment of the present invention.
Detailed Description
The following describes the wind turbine foundation and the wind turbine in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely intended to facilitate and distinctly illustrate the embodiments of the present invention.
The utility model provides a fan foundation, which comprises a foundation structure and at least three pile foundations;
the foundation structure is a closed box-type structure, and a hydraulic transmission system is arranged on the foundation structure;
the pile foundation is located at the lower end of the foundation structure and connected with the foundation structure through the hydraulic transmission system, the pile foundation is lifted under the action of the hydraulic transmission system, the pile foundation descends to the seabed to realize the fixed connection of the foundation structure and the seabed, and the pile foundation is lifted upwards from the seabed to remove the fixed connection of the foundation structure and the seabed.
The foundation structure is internally provided with a plurality of cabins for filling ballast and arranging electrical equipment; the cabin in the center of the foundation structure stores electrical equipment, so that the internal space design of the fan tower is reduced, and the fan cost is saved; the compartments located at the periphery of the foundation structure are filled with ballast water to adjust the buoyancy and the center of gravity of the foundation structure.
The foundation structure is made of a full concrete material or a reinforced concrete material, so that the construction cost of the foundation structure can be reduced; when the foundation structure is made of steel-concrete materials, the center of the foundation structure is made of a steel foundation ring, and the peripheral structure of the foundation structure is made of concrete.
The foundation structure is a closed box-type structure, the center of gravity is positioned below the water surface, and the water displacement is enough to support the self weight, so that the foundation structure has self-floating capacity.
The pile foundation comprises pile legs and a pile head, the pile legs are connected with a hydraulic transmission system, and the installation positions of the pile legs and the foundation structure are adjusted under the action of the hydraulic transmission system, so that the pile legs can lift in water; the pile head is connected with the pile legs, and the pile head can be descended and fixed on the seabed, so that the foundation structure is fixedly connected with the seabed; the pile head is a suction cylinder type foundation or a steel pipe pile foundation with pile shoes, and can be directly inserted into soil on the seabed without secondary piling operation, so that the installation cost of the fan is reduced.
The base structure is designed according to the depth of the sea area where the base structure is installed and the power of the applied wind turbine, so that the buoyancy of the base structure can support the weight of other components of the wind turbine installed on the base structure.
As shown in fig. 1 is the utility model provides a first embodiment of fan foundation, foundation structure 1 and three pile foundations 2 including little discharge capacity, foundation structure 1 on be provided with transmission system 5 that surges, pile foundation 2 be connected with foundation structure 1 through transmission system 5 that surges. The pile foundation 2 comprises a pile leg 201 and a pile head 202, the diameter of the pile leg 201 is 3m, the shape of the pile leg is circular, the pile leg is connected with a hydraulic transmission system 5, the pile leg 201 adjusts the installation position of the pile leg and the foundation structure 1 under the action of the hydraulic transmission system 5, and the lifting of the pile foundation 2 in water is realized; the pile head 202 is connected with the pile legs 201, the pile head descends to the seabed to fixedly connect the foundation structure 1 with the seabed, and the pile head 202 is a suction cylinder type foundation. The foundation structure 1 is designed into a closed box type structure with small volume, and the water discharge amount is small; the center of gravity of the foundation structure 1 is located below the water surface, the buoyancy of the foundation structure can support the weight of other components of the fan mounted on the foundation structure 1, and the overall weight displacement of the foundation structure 1 is small, so that the foundation structure is suitable for shallow sea areas or low-power fans.
As shown in fig. 2 is the utility model provides a second embodiment of fan foundation, foundation structure 1 and four pile foundations 2 including little discharge capacity, foundation structure 1 on be provided with drive system 5 that surges, pile foundation 2 be connected with foundation structure 1 through drive system 5 that surges. The pile foundation 2 comprises a pile leg 201 and a pile head 202, the diameter of the pile leg 201 is 3m, the shape of the pile leg is circular, the pile leg is connected with a hydraulic transmission system 5, the pile leg 201 adjusts the installation position of the pile leg and the foundation structure 1 under the action of the hydraulic transmission system 5, and the lifting of the pile foundation 2 in water is realized; the pile head 202 is connected with the pile leg 201, the pile head 202 descends to the seabed to fixedly connect the foundation structure 1 with the seabed, and the pile head 202 is a steel pipe pile foundation with pile shoes. The foundation structure 1 is designed into a closed box type structure with small volume, and the water discharge amount is small; the center of gravity of the foundation structure 1 is located below the water surface, the buoyancy of the foundation structure can support the weight of other components of the fan mounted on the foundation structure 1, and the overall weight displacement of the foundation structure 1 is small, so that the foundation structure is suitable for shallow sea areas or low-power fans.
As shown in fig. 3 be the utility model provides a third embodiment of fan foundation, foundation structure 1 and three pile foundations 2 including big discharge capacity, foundation structure 1 on be provided with transmission system 5 that surges, pile foundation 2 be connected with foundation structure 1 through transmission system 5 that surges. The pile foundation 2 comprises a pile leg 201 and a pile head 202, the diameter of the pile leg 201 is 3m, the shape of the pile leg is circular, the pile leg is connected with a hydraulic transmission system 5, the pile leg 201 adjusts the installation position of the pile leg and the foundation structure 1 under the action of the hydraulic transmission system 5, and the lifting of the pile foundation 2 in water is realized; the pile head 202 is connected with the pile leg 201, the pile head 202 descends to the seabed to fixedly connect the foundation structure 1 with the seabed, and the pile head 202 is a steel pipe pile foundation with pile shoes. The foundation structure 1 is designed into a closed box type structure with larger volume, and the water discharge amount is larger; the gravity center of the foundation structure 1 is positioned below the water surface, the buoyancy of the foundation structure 1 can support the weight of other parts of the fan installed on the foundation structure 1, the overall weight displacement of the foundation structure 1 is large, and the foundation structure is suitable for deep sea areas or high-power fans.
As shown in fig. 4 be the utility model provides a fourth embodiment of fan foundation, foundation structure 1 and four pile foundations 2 including big discharge capacity, foundation structure 1 on be provided with drive system 5 that surges, pile foundation 2 be connected with foundation structure 1 through drive system 5 that surges. The pile foundation 2 comprises a pile leg 201 and a pile head 202, the diameter of the pile leg 201 is 3m, the shape of the pile leg is circular, the pile leg is connected with a hydraulic transmission system 5, the pile leg 201 adjusts the installation position of the pile leg and the foundation structure 1 under the action of the hydraulic transmission system 5, and the lifting of the pile foundation 2 in water is realized; the pile head 202 is connected with the pile legs 201, the pile head 202 descends to the seabed to fixedly connect the foundation structure 1 with the seabed, and the pile head 202 is a suction cylinder type foundation. The foundation structure 1 is designed into a closed box type structure with larger volume, and the water discharge amount is larger; the gravity center of the foundation structure 1 is positioned below the water surface, the buoyancy of the foundation structure 1 can support the weight of other parts of the fan installed on the foundation structure 1, the overall weight displacement of the foundation structure 1 is large, and the foundation structure is suitable for deep sea areas or high-power fans.
As shown in fig. 5, the utility model also provides a fan, which comprises a fan foundation, a tower 3 and a wind turbine generator 4, wherein the tower 3 is positioned at the upper end of the fan foundation, one end of the tower 3 is connected with the foundation structure 1, and the other end is connected with the wind turbine generator 4; the wind turbine generator set comprises a nacelle 401, a hub 402 and a blade group 403, wherein the nacelle 401 is located at the upper end of a tower 3 and is connected with the tower, one end of the hub 402 is connected with the nacelle 401, and the other end of the hub 402 is connected with the blade group 403.
The wind turbine foundation, the tower 3 and the wind turbine generator 4 can be built in different places and assembled on a wharf in a unified mode, then the wind turbine generator is integrally transported to a designated wind power plant, pile legs 201 of the pile foundation 2 are made to descend in water through the hydraulic transmission system 5 until the pile head 202 descends to the seabed, installation can be completed, and the specific depth of descending of the pile head is determined according to geological conditions and environmental conditions of the installation position of the wind turbine generator.
The utility model provides a fan foundation adopts concrete material or steel-concrete material, can reduce foundation structure's construction cost, simultaneously, foundation structure is closed box structure, and its inside is provided with a plurality of cabins, can be used to arrange electrical equipment, has reduced the structural design of other parts of fan, saves fan cost; the utility model provides a fan foundation adopts the pile foundation, has reduced the operation of marine pile, and simultaneously, fan foundation, pylon and wind turbine generator system can assemble at the pier, then wholly consigns to the target site and accomplishes the installation, and the cost is lower and the operation is convenient.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (6)
1. The utility model provides a fan foundation, its characterized in that includes foundation structure (1) and three piece at least pile foundations (2) fixed to the seabed, foundation structure (1) on be provided with transmission system (5) that surges, pile foundation (2) be connected with foundation structure (1) through transmission system (5) that surges, transmission system (5) that surges realize the lift of pile foundation (2), make pile foundation (2) descend to the seabed or upwards rise from the seabed.
2. A wind turbine foundation according to claim 1, characterised in that said foundation structure (1) is a closed box-type structure, inside which at least two compartments are provided for ballast filling and electrical equipment deployment.
3. A wind turbine foundation according to claim 1, characterised in that said foundation structure (1) is made of all-concrete or steel-concrete material.
4. A wind turbine foundation according to claim 1, wherein the pile foundation (2) comprises a leg (201) and a pile head (202) connected with the leg (201), the leg (201) is connected with the hydraulic transmission system (5), and the leg (201) is lifted under the action of the hydraulic transmission system (5).
5. A wind turbine foundation according to claim 4, characterised in that said pile head (202) is a suction tube foundation and/or a steel pipe pile foundation with pile shoes.
6. A wind turbine, characterized in that it comprises a wind turbine foundation according to any of claims 1-5, a tower (3) and a wind turbine (4), one end of the tower (3) being connected to the wind turbine foundation and the other end being connected to the wind turbine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125917.5U CN211646452U (en) | 2020-01-20 | 2020-01-20 | Fan foundation and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125917.5U CN211646452U (en) | 2020-01-20 | 2020-01-20 | Fan foundation and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211646452U true CN211646452U (en) | 2020-10-09 |
Family
ID=72682723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020125917.5U Active CN211646452U (en) | 2020-01-20 | 2020-01-20 | Fan foundation and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211646452U (en) |
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2020
- 2020-01-20 CN CN202020125917.5U patent/CN211646452U/en active Active
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