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Method for dynamically monitoring power cable in real time by three-synchronization underwater robot

A technology of underwater robot and power cable

Active Publication Date: 2015-04-29
S B SUBMARINE SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, if the traditional power cable laying situation and position detection method is still used, the accuracy of the calculation of the installation length of the cable protection sleeve and the requirement to eliminate the cumulative error cannot be guaranteed, and the construction quality will be difficult to be effectively controlled.

Method used

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  • Method for dynamically monitoring power cable in real time by three-synchronization underwater robot
  • Method for dynamically monitoring power cable in real time by three-synchronization underwater robot
  • Method for dynamically monitoring power cable in real time by three-synchronization underwater robot

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Embodiment Construction

[0024] In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings.

[0025] The invention provides a method for dynamic and real-time monitoring of a power cable by a three-synchronous underwater robot, the steps of which are as follows:

[0026] first step, combine figure 1 , the offshore platform is ready, the power cable end on the cable construction ship 1 is ready to pull the head, install the shackle, swivel joint and other connections, pay attention to all sharp edges need to be wrapped with tape for protection, and then pull the power cable to the platform After being temporarily fixed, the cable construction ship 1 starts to lay the power cable through the control of the cable laying machine 3 and the double active power turntable 4, with a speed of 0.3-0.5 km / h and a maximum target speed of 1.0 km / h. At the same time, pay attention to the adjustment of the power cable The laying margin t...

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Abstract

The invention relates to a method for dynamically monitoring a power cable in real time by a three-synchronization underwater robot. The method comprises the step of laying a power cable led out of a cable bin of a cable workboat on the seabed controllably. The method is characterized in that an underwater robot is released undersea from the side of the cable workboat, and forms synchronous tracking detection in a process of laying the power cable. The invention has the advantages that the method can be suitable for any sea area below 300m, and completely meets the requirement that the underwater robot tracks the dynamically laid power cable; and all works of laying the power cable and post-detecting the power cable by one cable workboat are completed, the requirement on an operation weather window is same as the traditional construction, no additional requirements exist, and the requirement of dynamically monitoring the laying of the power cable is completely and effectively completed.

Description

technical field [0001] The invention relates to a method for dynamic and real-time monitoring of a power cable by a three-synchronous underwater robot, and belongs to the technical field of monitoring methods for laying submarine power cables. Background technique [0002] The traditional power cable laying situation and position detection method is generally to arrange two cable construction ships. A main cable construction ship lays the power cables on the ship on site, and at the same time organizes another inspection cable construction ship equipped with an underwater robot ROV to follow the main cable construction ship. After the main cable construction ship places the power cable on the seabed, the inspection cable construction ship follows the power cable laying route provided by the main cable construction ship to detect or post-bury the power cable. [0003] With the rapid development of the economy, human beings' huge demand for energy has made great progress in o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/10G01S15/88
Inventor 仇胜美赵波徐东华
Owner S B SUBMARINE SYST
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