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文中针对某型号降落伞系统空投试验,第一架次试验中出现的伞包拉绳断裂的故障,建立了简单的求解伞包拉绳载荷的模型,通过计算分析表明:造成伞包拉绳断裂的主要原因是其强度设计不足。
In this paper, aiming at the emptying test of a certain type of parachute system and the failure of the pullout of the umbrella bag in the first test, a simple model for calculating the load of the drawstring of the umbrella bag is established. The calculation and analysis show that the main cause of the breaking of the pull- The reason is its lack of strength design.