Three-barrel self-elevating gantry type wind power generator foundation structure and construction method thereof

A wind power foundation and gantry-type technology, which is applied in infrastructure engineering, construction, etc., can solve the problems of difficulty in construction and optimization of economic benefits, and can not meet the needs of engineering, so as to achieve fast construction speed, less construction equipment, and smooth construction process. simple effect

Active Publication Date: 2017-06-06
TIANJIN UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the large-scale development of offshore wind power and the increase of unit capacity, a single foundation form is dif

Method used

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  • Three-barrel self-elevating gantry type wind power generator foundation structure and construction method thereof
  • Three-barrel self-elevating gantry type wind power generator foundation structure and construction method thereof

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Embodiment Construction

[0023] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0024] like figure 1 and figure 2 As shown, this embodiment discloses a three-tube self-elevating gantry type wind power foundation structure, which includes three identical cylindrical foundations 2, a group of portal towers 3, gears 4, racks 5, and locking devices 6.

[0025] The cylindrical foundation 2 is a cylindrical steel structure foundation with a closed top and an open bottom. Three identical cylindrical foundations 2 are arranged at the three vertices of a triangle, and the gap between every two cylindrical foundations 2 The distance can be set according to the actual project, and each cylindrical foundation 2 is provided with an independent negative pressure and loading device. Dividing panels can be arranged inside the cylind...

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Abstract

The invention belongs to the field of ocean wind power generator foundations, and discloses a three-barrel self-elevating gantry type wind power generator foundation structure and a construction method thereof. The three-barrel self-elevating gantry type wind power generator foundation structure comprises three barrel-shaped bases which are connected into an integral body through a gantry type tower frame; and the gantry type tower frame comprises three vertical tower frames and three transverse tower frames which are connected into a gate shape; the vertical tower frames and the transverse tower frames are connected through lifting mechanisms; the lifting mechanisms comprise racks mounted on the two sides of the vertical tower frames, gears mounted at the outer ends of the transverse tower frames, locking devices and lifting control systems; and during construction, on one hand, buoyancy of the barrel-shaped bases is effectively utilized during towing, and on the other hand, mechanical sinking is achieved through the lifting mechanisms, and mounting is achieved through a traditional sinking manner. The three-barrel self-elevating gantry type wind power generator foundation structure has the advantages of the barrel-shaped bases and a self-elevating gantry; and in the construction method, buoyancy of the barrel-shaped bases is effectively utilized during towing, the entire sinking process is simple and quick, few construction devices are required, a large on-water site construction device is not utilized, the construction speed is high, and comprehensive construction cost is low.

Description

technical field [0001] The present invention relates to the foundation structure and construction method of offshore wind turbines, in particular, it relates to the foundation form and construction method combining a plurality of cylindrical foundations and gantry structures. Background technique [0002] At present, the main foundation forms used by offshore wind turbines include: single pile foundation, high pile cap foundation, tripod foundation, jacket foundation, gravity foundation, negative pressure cylinder foundation and floating platform structure. Among the foundations mentioned above, the single pile structure is the most widely used, but due to its rigidity and large structural dynamic response under wind and wave loads, it is prone to fatigue damage; relatively speaking, the large-diameter wide-shallow cylindrical foundation is more suitable for my country's offshore Geological characteristics and mechanical characteristics of wind turbines. However, with the la...

Claims

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Application Information

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IPC IPC(8): E02D27/42E02D27/44
CPCE02D27/425E02D27/44
Inventor 张浦阳郭耀华丁红岩练继建
Owner TIANJIN UNIV
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