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Real-time rope monitoring

A rope and measuring device technology, applied in the field of real-time monitoring of ropes, can solve problems such as inability to check and find

Active Publication Date: 2017-03-01
IHC HOLLAND NV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Often these broken strands are internal strands and therefore cannot be found by simple visual inspection

Method used

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  • Real-time rope monitoring
  • Real-time rope monitoring

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Embodiment Construction

[0027] figure 1 A rope monitoring and analysis system 10 is schematically shown in use with a hoisting system 12 and an active heave compensation (“AHC”) system 14 for lifting and lowering a load 17 with ropes 16 . The rope monitoring and analysis system 10 includes a rope data sensor 18 , a position measurement device 20 , a tension sensor 22 , a temperature sensor 24 and a computer system 26 . Computer system 26 includes lift system processor and database 28 , rope data sensor processor and database 30 , overall processor and database 32 , human machine interface 34 and external data input 36 .

[0028] In the embodiment shown, the lifting system 12 includes pulleys 13 . In other systems, the lifting system 12 may include one or more winches and / or zero to two pulleys. A pulley 13 of the lifting system 12 is mounted on the vessel and crane to guide and bend a rope lock 16 from the lifting system 12 to the lifting system hook.

[0029] The rope 16 is a rope made of multipl...

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Abstract

A system to monitor and analyze a multi-strand rope includes a rope data sensor to collect data regarding the physical state of the rope; one or more usage sensors to collect data regarding the usage of the rope; a position measurement device to measure the position of the rope; and a computer system connected to the rope data sensor, the one or more usage sensors and the position measurement device to correlate the collected data and position measurement to give real-time data on the status of the rope at one or more sections.

Description

technical field Background technique [0001] Multi-strand ropes are used in many different applications both offshore and onshore, and must work safely throughout their lifetime. Since these ropes are often used in lifting operations, they are subject to extensive bending and wear. Ropes used for offshore operations where lifting equipment can operate at depths of 2-3 kilometers are particularly subject to wear and fatigue problems caused by Active Heave Compensation ("AHC") systems, which are commonly used in these offshore operations. [0002] As the rope begins to fray, the individual strands making up the rope can break, reducing the cross-sectional area and strength of the rope, and increasing the chance of catastrophic accident or failure of the rope. Usually, these broken strands are internal strands and therefore cannot be found by simple visual inspection. To check the entire rope (including the inside), a device for measuring the cross-sectional area of ​​the rope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B7/12
CPCB66B7/1215G01N33/36B66C13/10B66C13/16B66D1/54
Inventor 弗雷德里克·本杰明·范·德·沃德尤尔根·阿里安·茨尔曼斯
Owner IHC HOLLAND NV
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