Mounting device and mounting method of umbrella type seabed suction anchor foundation

A technology for installing equipment and suction anchors, applied in infrastructure engineering, water conservancy projects, artificial islands, etc., can solve problems such as low bearing capacity and prone to inclination, improve the ability to resist wave erosion, simple and effective installation, increase The effect of the overall carrying capacity

Inactive Publication Date: 2015-12-23
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This umbrella-type submarine suction anchor can be well used in the technical field of marine wind power foundations. However, this umbrella-type submarine suction anchor foundation is the same as the traditional suction foundation, and it may be damaged due to

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  • Mounting device and mounting method of umbrella type seabed suction anchor foundation
  • Mounting device and mounting method of umbrella type seabed suction anchor foundation
  • Mounting device and mounting method of umbrella type seabed suction anchor foundation

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Embodiment Construction

[0039] see Figure 1-Figure 4 , an embodiment of the installation equipment of the umbrella-type seabed suction anchor foundation of the present invention, the umbrella-type seabed suction anchor foundation includes a main cylinder 1 with a closed top surface and an open lower end, and a main cylinder drainage hole 8 is arranged on the top surface of the main cylinder 1. A tube skirt 2 is looped outside the tube 1, and the tube skirt 2 includes a horizontal top surface and a tube-shaped side wall. A tube skirt drainage hole 9 is arranged on the horizontal top surface of the tube skirt, and a lifting lug 10 is provided on the upper end of the main tube 1 . Two telescopic hooks 6 are symmetrically arranged on the cylindrical side wall on the upper part of the main cylinder 1 to position the skirt on the upper part of the main cylinder. An anchor ring 3 concentric with the main cylinder 1 is arranged at the upper end of the main cylinder 1, and anchor branches 4 are uniformly arr...

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Abstract

The invention provides a mounting device and a mounting method of an umbrella type seabed suction anchor foundation. The mounting device comprises an umbrella type seabed suction anchor foundation and is characterized by comprising an injection pipe mounted at the interior of a main cylinder; the injection pipe is connected with submersible pumps at the upper part through drainage holes of the main cylinder; a reversing valve and valves are arranged in the injection pipe; the submersible pumps are adjacent to a pressure-resistant container; the pressure-resistant container comprises an inclinometer and an electric gyrocompass; the inclinometer is arranged on a cylinder skirt and anchor branches of the umbrella type seabed suction anchor foundation; a frame is arranged at the peripherys of the pressure-resistant container and the submersible pumps; the upper end of the framework are connected with a signal optical cable. The mounting method comprises the following steps: lading at a wharf, sailing and positioning, butting injection devices, putting the foundation in water, injecting the umbrella type seabed suction anchor and recycling the injection devices. Through the adoption of the mounting device of the umbrella type seabed suction anchor foundation, the mounting method of the umbrella type seabed suction anchor foundation is simple; the problems of soil plugging and inclination of the umbrella type seabed suction anchor foundation in the mounting process can be solved; and the reutilization rate is high.

Description

technical field [0001] The invention belongs to the technical field of marine engineering, and relates to an installation device and an installation method for an umbrella-type seabed suction anchor foundation used in an offshore wind farm. Background technique [0002] With the rapid development of offshore wind farm construction in recent years, the foundation design and installation of offshore wind turbines has become an important topic in this field. At present, the main foundations used in offshore wind turbines are in the form of single pile foundation, gravity foundation, pile group foundation, suction foundation and so on. [0003] The single pile foundation is the simplest foundation structure, and its diameter is determined by the magnitude of the load, generally around 3-5m. The monopile foundation is suitable for waters where the water depth is less than 30m and the seabed is relatively hard. It does not require pretreatment of the seabed and is easy to manufac...

Claims

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Application Information

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IPC IPC(8): E02D15/08E02D27/52
CPCE02B2017/0078
Inventor 刘红军张浩李洪江韩迟辰
Owner OCEAN UNIV OF CHINA
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