Integral mounting assisting device and mounting method for tension leg type offshore floating wind turbine

Abstract

The invention discloses an integral mounting assisting device and a mounting method for a tension leg type offshore floating wind turbine. The integral mounting assisting device comprises assisting modules, eye plates, stop pins, a plurality of oil cylinders, positioning winches and steel wires, wherein the assisting modules are mounted outside a multi-column tension leg type offshore floating foundation of the wind turbine, the eye plates are detachably connected on circumferential columns of the multi-column tension leg type offshore floating foundation, the oil cylinders are disposed on the lateral sides and the bottom surfaces of the assisting modules, the cylinder bodies of the oil cylinders are fixed on the assisting modules, the stop pins are hinged with cylinder rods of the oil cylinders and are driven to be inserted into holes of the eye plates by the oil cylinders, the positioning winches are fixed on the tops of the assisting modules, one ends of the steel wires are connected with the positioning winches, and the other ends of the steel wires are connected with positioning anchors thrown to the seabed. Sufficient stability, buoyancy and assisting positioning can be provided for mounting of the tension leg type offshore floating wind turbine, offshore operation time is greatly saved, mounting cost is reduced, and the integral mounting assisting device is applicable to construction of a large-scale offshore floating wind power plant.

Description

technical field [0001] The invention relates to the overall installation technology of an offshore floating wind turbine, in particular to a tension leg type offshore floating wind turbine integral installation auxiliary device and an installation method, belonging to the technical field of marine engineering. Background technique [0002] Wind energy is currently the fastest growing renewable energy with the greatest potential. The world’s available wind energy resources are very abundant. Resources are concentrated in deep water areas offshore. The wind energy resources of major offshore wind energy countries such as the United States, China, Japan, and Norway are all concentrated in non-shallow water areas with water depths exceeding 30m. As a new equipment to replace traditional fixed wind turbines, deep-water floating wind turbines have broad application prospects and have become a hot field of offshore wind energy research abroad. The United States, Europe and Japan ...

AI Technical Summary

Problems solved by technology

Since the buoyancy center of the 5MW offshore tension leg type offshore floating wind turbine is below the center of gravity, the overall stability is insufficient before the tension mooring legs are installed. One-piece installation, thus higher installation costs

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