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深海钻机收放过程中,为了得到光电复合缆的合理下放长度,以“大洋一号”科学考察船的万米光电复合缆为研究对象,对收放过程中钻机与光电复合缆相互作用的力学行为进行分析研究,建立光电复合缆的悬链线数学模型。利用Maple软件和Matlab软件进行分析与计算,得到了不同定位半径下光电复合缆的放缆长度及其轴向应力的水平分量。结果表明:建立光电复合缆的悬链线方程得到缆绳长度可为深海钻机的缆绳收放控制提供参考。
In the process of retracting and placing deep-sea drilling rigs, in order to get the reasonable length of the photoelectric composite cable, taking the 10,000m photoelectric composite cable of the “Ocean One” scientific research ship as the research object, the interaction between the rig and the photoelectric composite cable The mechanical behavior of the optical fiber cable to establish a mathematical model of the catenary. Using the Maple software and Matlab software to analyze and calculate the horizontal components of the cable length and axial stress of the photoelectric composite cable under different positioning radiuses. The results show that establishing the cable catenary equation to obtain the cable length can provide a reference for the retractable cable control of deep sea drilling rigs.