Telescopic damping device and marine floating type fan base

A technology of wind turbine foundation and damping device, which is applied in infrastructure engineering, wind power generation, floating buildings, etc., can solve the problems of large range of tension leg platform and increase the difficulty of foundation design and construction, so as to reduce the range of movement, the effect is obvious, and the investment saving effect

Active Publication Date: 2012-10-10
BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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Problems solved by technology

However, under this positioning mode, the range of motion (sway, surge and yaw) of the TLP in the plane is relatively large
Therefore, in order to restrain the movement in the plane of the floating foundation, it is necessary to install dampers in all directions of movement, which will undoubtedly increase the difficulty of design and construction of the foundation

Method used

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  • Telescopic damping device and marine floating type fan base
  • Telescopic damping device and marine floating type fan base
  • Telescopic damping device and marine floating type fan base

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Embodiment Construction

[0029] Now, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Although the present invention has been described with reference to specific examples, the invention may be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein.

[0030] figure 1 It is an offshore floating wind turbine foundation with a retractable damping disk according to an embodiment of the present invention. figure 2 The connection structure between the telescopic main beam and the tuned mass damper in the telescopic damper device according to the embodiment of the present invention is shown. image 3 An example of the connection between the telescopic damping device and the offshore floating wind turbine foundation according to the embodiment of the present invention is shown.

[0031] Such as figure 1 As shown, the offshore floating wind turbine foundation 100 with a retr...

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Abstract

The invention provides a telescopic damping device used for a marine floating type fan base, and the marine floating type fan base containing the telescopic damping device. The telescopic damping device comprises a damping disk and a telescopic main beam connected with the upper side of the damping disk, wherein a tuned mass damper structure is arranged in the telescopic main beam. The motion range of the whole floating type fan can be obviously decreased. Additionally, fewer investments and a remarkable effect are realized, and the telescopic damping device and the marine floating type fan base can be used for supporting the normal operation of large megawatt-level marine wind turbines.

Description

technical field [0001] The invention relates to a telescopic damping device and an offshore floating wind turbine foundation provided with the telescopic damping device. Background technique [0002] There are abundant wind resources and a vast development area at sea. Therefore, as the high-quality wind field resources on land are gradually developed, major wind turbine manufacturers around the world have begun to shift their development focus to the sea. Compared with the construction of land wind farms, offshore wind farms have to face the test of multiple loads such as wind, waves and currents, the environmental conditions are more complex, technology development is more difficult, and they face many new challenges. Currently, tidal flat wind farms in intertidal zones and subtidal zones and offshore wind farms, these offshore wind farms with a water depth of no more than 50 meters usually adopt fixed foundation structures, mainly including gravity foundations, single pil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/44B63B35/44
CPCY02E10/727
Inventor 朱海飞李荣富石磊罗勇汪亚洲
Owner BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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