Offshore wind turbine gravity type base, base system and gravity type base construction method

A gravity-based foundation and offshore wind turbine technology, which is applied in infrastructure engineering, installation/support configuration of wind turbines, engine components, etc., can solve the problems of increasing offshore wind power investment costs and long construction periods, reducing the difficulty of in-position, The effect of improving safety

Active Publication Date: 2016-08-31
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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Problems solved by technology

However, at present, most of the existing gravity foundations are constructed in the dock or directly on the barge. The foundation is made by cast-in-place method throughout the whole process, and then hoisted by the equipment. This construction method has a long construction period and consumes a lot of manpower, material and financial resources. Increased the investment cost of offshore wind power to a certain extent

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  • Offshore wind turbine gravity type base, base system and gravity type base construction method
  • Offshore wind turbine gravity type base, base system and gravity type base construction method
  • Offshore wind turbine gravity type base, base system and gravity type base construction method

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[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0040] Such as figure 1As shown, a gravity foundation for offshore wind turbines includes a bottom plate 100, a first cylinder disposed on the bottom plate 100, a second cylinder connected to the end of the first cylinder away from the bottom plate 100, and a device. The platform 400 at the top of the second cylinder, in this embodiment, the first cylinder is preferably a conical cylinder 200 , and the second cylinder is preferably a circular cylinder 300 . Between the bottom plate 100 and the conical cylinder 200, between the conical cylinder 200 an...

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Abstract

The invention discloses an offshore wind turbine gravity type base, a base system and a gravity type base construction method; the offshore wind turbine gravity type base comprises a bottom plate, a first barrel, a second barrel and a platform assembled in sequence; the bottom plate, the first barrel and the second barrel are connected to form a filler channel used for filling base cargo; the platform is provided with a platform opening connected with the filler channel. The offshore wind turbine gravity type base is a hollow structure, can greatly reduce self weight, and can save materials; in addition, the bottom plate and the first barrel, the first barrel and the second barrel, and the second barrel and the platform are respectively assembled; all structures can be pre-built on the land, and are assembled in sequence in one piece, thus effectively reducing construction time of the offshore wind turbine gravity type base; the offshore wind turbine gravity type base is simple to realize, fast in construction, can reduce construction time and laboring, thus greatly reducing production cost.

Description

technical field [0001] The invention relates to the technical field of foundation design of wind power generating sets, in particular to a gravity foundation of an offshore wind turbine, a foundation system and a construction method for the gravity foundation of an offshore wind turbine. Background technique [0002] At present, offshore wind turbine foundations mainly include single pile foundation, gravity foundation, jacket foundation, underwater three-pile foundation and above-water three-pile foundation. Among them, the gravity foundation, as a relatively mature foundation type, has been widely used in the field of offshore wind power. Its structural feature is to provide stability through its own large gravity and filling materials. Among the many foundation types, the gravity foundation is the most stable one. It is not limited by the fan type, and the shape change can be freely controlled. It has unique advantages in sea areas with good geology and shallow water dep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D5/74F03D13/25
CPCE02D5/74E02D27/425E02D15/08E02D23/02F05B2240/95F03D13/22Y02P70/50
Inventor 元国凯凌影刘晋超毕明君张力马兆荣陈玉华何小华
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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