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Shallow sea submarine cable laying technology based on mooring system and dynamic positioning

A submarine cable laying and mooring system technology, applied in cable installation, ground cable installation, etc., to achieve the effects of low energy consumption, improved propulsion efficiency, and large load capacity

Active Publication Date: 2017-11-28
SHANGHAI FOUND ENG GRP
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  • Abstract
  • Description
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Problems solved by technology

[0004] The present invention is to provide a shallow sea cable laying process based on mooring system and dynamic positioning, which is used to solve the technical problems of shallow sea cable laying

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  • Shallow sea submarine cable laying technology based on mooring system and dynamic positioning
  • Shallow sea submarine cable laying technology based on mooring system and dynamic positioning
  • Shallow sea submarine cable laying technology based on mooring system and dynamic positioning

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] A shallow sea submarine cable laying process based on mooring system and dynamic positioning, using a flat square barge 1 as the cable laying ship ( figure 1 ), has the characteristics of shallow draft, large waterline area, large load capacity, and can be grounded on mud flats and intertidal zones. It is suitable for submarine cable laying operations in shallow seas.

[0024] The submarine cable ship of the present invention adopts a double-bottom design to ensure that the beach operation does not affect the safety of the ship.

[0025] Such as figure 2 As shown, four full-rotation power rudder paddles 2 are installed on the four corners of the cable-laying ship. Through the rudder paddles on the four ship corners, the power propulsion adjustment of the cable-laying ship is carried out in real time, and the position of the cable-laying ship i...

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Abstract

The invention relates to a shallow sea submarine cable laying process based on an anchoring system and dynamic positioning. A flat barge is used as a cable laying construction ship. The cable laying construction ship is also equipped with a dynamic propulsion positioning system composed of four retractable full-rotation power rudder paddles. And the four-anchor eight-cable positioning system composed of four positioning windlasses and two main traction windlasses is used for laying submarine cables in shallow seas and intertidal sections. The cable laying ship adopted in the present invention is a flat square barge, which has the characteristics of shallow draft, large waterline area, large load capacity, and can run aground on mud flats and intertidal zones. It is suitable for submarine cable laying operations in shallow seas. The submarine cable ship adopts a double bottom design to ensure that the beach operation will not affect the safety of the ship.

Description

technical field [0001] The invention relates to a shallow sea submarine cable laying process, in particular to a shallow sea submarine cable laying process based on an anchoring system and dynamic positioning. Background technique [0002] At present, the laying of shallow sea submarine cables adopts self-propelled laying (powered ship) or anchoring traction, and tugboat rectifying laying (non-powered ship), which has disadvantages such as backward technology, low degree of automation, poor precision of submarine cable laying, and high risk of anchoring operations. . However, the dynamic positioning construction technology adopted by the deep-sea submarine cable has the disadvantages of deep draft of the construction ship, large tonnage, inconvenient movement, high fuel consumption of dynamic positioning, and long distance for beach landing (cannot enter the intertidal zone), so it is not suitable for shallow sea construction. [0003] With the development of my country's c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G9/02
Inventor 沈光缪一星梁俊宁李昊柳立群
Owner SHANGHAI FOUND ENG GRP
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