Offshore wind turbine supporting structure
A technology for supporting structures and offshore wind turbines, applied in infrastructure engineering, wind power generation, construction, etc., can solve problems such as fatigue fracture of fixed connection nodes, and achieve the effect of avoiding fatigue fracture
Active Publication Date: 2022-06-03
SUN YAT SEN UNIV
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- Claims
- Application Information
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Problems solved by technology
Due to the long blades of offshore wind power plants and frequent changes in wind direction, the fixed connection nodes between the support column and the jacket need to bear large and periodically changing bending loads and torsional loads, resulting in the fixed connection nodes being prone to fatigue fracture
Method used
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[0024] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.
[0025] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on those shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. It should be understood that the terms "first", "second", etc. ...
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The invention relates to the technical field of offshore wind power, in particular to an offshore wind turbine supporting structure which is characterized in that the lower end of a jacket is fixedly connected to a seabed, a supporting column is connected to the jacket through a spherical hinge support, a plurality of inclined strut assemblies surround the peripheral side of the supporting column, and the upper end of each inclined strut assembly is connected with the middle of the supporting column; each inclined strut assembly comprises a first elastic supporting piece and a second elastic supporting piece which are obliquely arranged up and down, and the upper ends of the first elastic supporting pieces and the upper ends of the second elastic supporting pieces are close to each other and hinged to the middle of the supporting column. The lower ends of the first elastic supporting pieces and the lower ends of the second elastic supporting pieces are far away from each other and are hinged to the jacket, so that restraining force in the radial direction of the supporting column and in the tangential direction of the periphery of the supporting column is applied to the supporting column, and the supporting column is kept balanced when subjected to bending and torsional loads. Fatigue fracture caused when a fixed connection node is adopted between the supporting column and the jacket is avoided.
Description
technical field [0001] The invention relates to the technical field of offshore wind power, in particular to an offshore wind turbine support structure. Background technique [0002] The marine environment is rich in high-altitude wind resources. With the gradual maturity of offshore wind power generation technology, the single unit capacity of the generator set is developing towards the direction of large megawatts. In order to improve the efficiency of offshore wind power generation, the height of the offshore wind turbine support structure is getting higher and higher. [0003] The existing offshore wind turbine support structure includes a jacket fixedly connected to the seabed, a support column extending vertically upward is fixedly connected to the jacket, and the wind power generation device is arranged on the top of the support column. Due to the long blades of offshore wind turbines and frequent changes in wind direction, the fixed connection nodes between the suppo...
Claims
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Login to View More IPC IPC(8): E02D27/44E02D27/52
CPCE02D27/44E02D27/52Y02E10/727Y02E10/72
Inventor 马会环孙凯郭成超王复明
Owner SUN YAT SEN UNIV