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Offshore fan supporting structure and construction method thereof

A technology for supporting structures and offshore wind turbines, which is used in infrastructure engineering, installation/support of wind turbine configuration, and wind power generation. , The effect of reducing offshore operation time and overall rigidity

Inactive Publication Date: 2017-02-01
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The investment in the foundation of offshore wind turbines often accounts for about 30% of the total investment. With the increase of water depth and the increase of the single unit capacity of wind power equipment, the size and wall thickness of the wind turbine foundation will also become larger and larger, resulting in excessive materials for important nodes and Local processing is very difficult
Since offshore engineering construction operations are subject to the climate window, long offshore operation time will increase the cost of offshore construction

Method used

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  • Offshore fan supporting structure and construction method thereof
  • Offshore fan supporting structure and construction method thereof
  • Offshore fan supporting structure and construction method thereof

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Embodiment Construction

[0033] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0034] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as...

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Abstract

The invention relates to an offshore fan supporting structure and a construction method thereof. The offshore fan supporting structure comprises a main body mechanism, a supporting platform and a transition mechanism. The offshore fan supporting structure is great in integral rigidity, can be suitable for water path of 60 m, and is beneficial for improving applicability and reliability of an offshore fan foundation. Each foundation structure of the supporting structure can be constructed on land, so that foundation mounting can be completed by only needing to grouting on sea, offshore operation time is reduced, and construction cost is reduced. A main cylinder of the transition mechanism is connected through four diagonal bracings, the tops of the diagonal bracings are connected with the main cylinder, and the bottoms of the diagonal bracings are connected with leg cylinders, so that great bending moment of the fan is reasonably converted into axial force of diagonal bracings, and therefore, fatigue performance of the area is improved.

Description

technical field [0001] The invention relates to the field of offshore wind turbines, in particular to an offshore wind turbine support structure and a construction method thereof. Background technique [0002] Offshore wind turbine foundation is an important supporting structure for wind power generation equipment in offshore wind farms. Offshore wind power is an important clean energy, because it has the characteristics of high wind speed, stable wind frequency, small shear, rich resources, no land occupation, suitable for large-scale development, etc., and offshore wind power is close to economically developed areas, far away from power load The center is close, the power consumption capacity is strong, and there are no problems such as access and power limitation, etc., and it has developed rapidly in recent years. [0003] The supporting structure of offshore wind power generation equipment consists of a tower and a lower supporting infrastructure. The foundation struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D27/52E02D27/14F03D13/25
CPCY02E10/72Y02E10/727
Inventor 刘晋超元国凯马兆荣汤东升何小华毕明君钱可弥黄文贺杨扬徐荣彬
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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