To meet this challenge , a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co . . ltd . focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes , the end - plate and rope slot . this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum , but also on an experiment with technology in " state of act " 本文结合交通部重点科技项目“港口起重机钢丝绳传动件高性能技术研究”和上海振华港机股份有限公司委托项目“起重机焊接卷筒极限壁厚研究” ，针对起重机卷筒传统设计方法偏于保守的情况，以薄壳理论和近代力学为基础，以现代试验技术为研究手段，对钢丝绳紧箍力作用下的外载特性、端板、绳槽等因素对卷筒强度和稳定性的影响进行了系统的理论研究，在深入开展卷筒强度、稳定性和实验模态分析等试验的基础上，提出了有别于传统方法的卷筒强度、稳定性计算方法。
In the growth of cooperation , xuxin had been persisting in the operation conception quality , cost , efficiency , service , sincerity and honor combine perseveringly a business enterprise target of follow " the with zhe dashing spirit to go forging ahead and the efforts to create new trials to get xuxin transmission into the world " , work hard to become whole spread to move a project to solve an expert , carry out the famous brand of " xux " , work hard unremittingly for developping china to spread to move an industry 在企业的发展中，我们一贯坚持“品质成本效率服务诚信创新”的经营理念，并孜孜遵循“锐意进取，努力创新，让旭鑫传动走向世界”的企业目标，努力成为整体传动方案解决专家，实现“ xux ”的驰名品牌，为振兴中国传动件产业而不懈努力。
Combined with the research project of the advanced performance of wire rope in the port cranes , a key technological problem of the ministry of communications , this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory , being aimed at the present problems of current wire rope testing technology . the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail . this dissertation present a novel method of quantitatively evaluating locate faults ( lf ) 本文结合交通部重点科技项目“港口起重机钢丝绳传动件的高性能技术研究” ，针对当前钢丝绳电磁检测技术中所存在的问题，以铁磁学为理论基础，以试验和现代数字信号处理技术为手段，对钢丝绳漏磁信号的应力效应、钢丝绳疲劳损伤历程中的漏磁信号变化规律做了深入的研究，对钢丝绳缺陷信号的特征参数和缺陷的定量描述指标做了详细的分析，提出了一种局部缺陷的定量逼近方法。
