Submarine cable laying protection device and installation method at the foundation of offshore wind power jacket

A technology for offshore wind power and submarine cable laying, which is applied in cable installation and ground cable installation, etc., to achieve the effects of simplifying the construction process, shortening the construction period, and optimizing the laying process

Active Publication Date: 2017-10-10
龙源电力集团股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a protective device and installation method for laying submarine cables at the foundation of wind power jackets in offshore and intertidal zones, so as to solve the problem of laying submarine cables for wind turbines in offshore and intertidal zones

Method used

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  • Submarine cable laying protection device and installation method at the foundation of offshore wind power jacket
  • Submarine cable laying protection device and installation method at the foundation of offshore wind power jacket

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Embodiment

[0021] The submarine cable laying protection device and installation method at the foundation of the offshore wind power jacket, including the first protective sleeve 1, the second protective sleeve 2 and the third protective sleeve 3; the first protective sleeve 1 and the second protective sleeve 2. Fix it on the wind turbine jacket foundation through the fixed connection device 4 in advance, put the third protective sleeve 3 on the submarine cable 9 to be laid on the shore, and reserve a space slightly larger than the first protective sleeve at the terminal of the submarine cable. The unprotected section of the total length of the pipe 1 and the second protective casing 2; after the installation of the third protective casing 3 is completed, the submarine cable 9 covered with the third protective casing 3 is shipped by the construction ship 7 to the wharf, and the cable is used for traction When the construction ship 7 arrives near the wind turbine terminal, put the torsion f...

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Abstract

The invention discloses a submarine cable laying protection device at the position of an offshore wind power jacket foundation and an installation method thereof. The submarine cable laying protection device comprises a first protection sleeve pipe, a second protection sleeve pipe and a third protection sleeve pipe; the third protection sleeve pipe sleeves one end of a submarine cable; the second protection sleeve pipe is formed by a plurality of small assemblies through assembly, wherein the small assemblies are fastened through bolts; the first protection sleeve pipe and the second protection sleeve pipe are fixed on the wind power unit jacket foundation; the other end of the submarine cable penetrates the second protection sleeve pipe and the first protection sleeve pipe in turn from the bottom end of the second protection sleeve pipe to be connected into a tower bottom transformer which is arranged in an offshore wind power unit. According to the submarine cable laying protection device at the position of the offshore wind power jacket foundation and the installation method thereof, the problem of submarine cable laying of the offshore wind power station fan jacket foundation of the offshore and intertidal zone is solved, the construction period is shortened, the construction process is simplified, the construction cost is greatly reduced, and the submarine cable laying process is optimized.

Description

technical field [0001] The invention relates to the field of marine engineering, in particular to a protection device and an installation method for laying submarine cables at foundations of offshore wind power jackets in offshore and intertidal zones. Background technique [0002] The submarine cable at the foundation of the wind turbine jacket in the offshore wind farm is generally protected by a J-shaped tube device. The laying operation of the submarine cable terminal is difficult, expensive, dangerous and takes a long time to lay. Therefore, it is necessary to specially develop a submarine cable protection device and method for the above-mentioned characteristics of submarine cable laying. Contents of the invention [0003] The purpose of the present invention is to provide a protective device and installation method for laying submarine cables at the foundation of wind power jackets in offshore and intertidal zones, so as to solve the problem of submarine cable layin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G9/02
Inventor 高宏飙方韬张钢罗雯雯季晓强
Owner 龙源电力集团股份有限公司
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