海底钻机的高可靠绳索取心钻具的结构优化与仿真分析

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英文篇名：Structural optimization and simulation analysis of high reliability wire-line coring drilling tools for submarine drilling rigs 作者：王佳亮 ; 彭奋飞 ; 万步炎 ; 周云 英文作者：WANG Jialiang;PENG Fenfei;WAN Buyan;ZHOU Yun;National Local Joint Engineering Laboratory of Marine Mineral Resources Exploration Equipment and Safety Technology, Hunan University of Science and Technology;School of Mechanical Engineering, Hunan University of Science and Technology;State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences; 关键词：海洋勘探 ; 绳索取心 ; 悬挂机构 ; 取样工具 ; 金刚石钻进 ; ABAQUS仿真 英文关键词：offshore exploration;;wire-line coring;;suspension mechanism;;coring drilling tools;;diamond drilling;;ABAQUS simulation 中文刊名：煤田地质与勘探 英文刊名：Coal Geology & Exploration 机构：湖南科技大学海洋矿产资源探采装备与安全技术国家地方联合工程实验室;湖南科技大学机电工程学院;中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室; 出版日期：2019-03-18 18:51 出版单位：煤田地质与勘探 年：2019 期：04 基金：国家重点研发计划项目(2017YFC0307501);; 国家自然科学基金项目(41702390);; 湖南省自然科学基金项目(2018JJ3173)~~ 语种：中文; 页：210-215 页数：6 CN：61-1155/P ISSN：1001-1986 分类号：P634.4

摘要

以提高绳索取心钻具在海底钻机上应用的工作可靠性,依据海底环境的特殊性,从提高单动机构的单动性能和悬挂机构的工作可靠性两方面着手,对钻具的单动机构展开结构优化并利用ABAQUS仿真分析手段对悬挂机构进行数值仿真分析。结果表明:经改进后的单动机构能够抑制海水的腐蚀效应,改善芯轴的定心效果,提高运转灵活性;经改进后的悬挂机构能够降低在频繁使用过程中其关键零部件发生塑性变形的风险,提高悬挂机构的工作可靠性。研究成果可为相关钻具设计提供理论支撑。
        In order to improve the working reliability of wire-line coring drilling tools used in submarine drilling rigs, based on the particularity of submarine environment, from the aspect of improvement of the single action performance of the single action mechanism and the working reliability of the suspension mechanism, the structural optimization of the single action mechanism was carried out, the numerical simulation analysis of the suspension mechanism was conducted by using ABAQUS simulation. The results show that the improved bearing assembly structure can restrain sea water corrosion, improve the centering effect of arbor and enhance the flexibility of bearing assembly. The improved suspension mechanism can reduce the risk of plastic deformation of key parts used frequently, enhance the working reliability of suspension mechanism. This research results can provide theoretical foundation for related drilling tool design.

引文

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