The article introduced the work status,design methods and demand of the towed cable connector used underwater,analyzed trouble happened of the old structure, obtained conclusion of that the break factor was alternation stress and wallop. Then proposed the improved design,and introduced the design and function of the main compose of connector.%对水下拖曳式缆索连接器的工作状态及设计思路和要求作了简要叙述,在此基础上对原结构在工作中出现的故障进行了分析,得出断裂的主要因素是构件承受交变应力和冲击力的联合作用而引起的结论.据此提出了改进设计,并对该连接器的主要组成部分的设计及功能特性作了扼要叙述与说明.
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