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为避免航天火工分离装置在分离过程中产生对箭(弹)体有害的分离多余物,需要设计相应的多余物捕获装置(以下简称捕获器)。国内外对捕获器结构设计方面的理论研究较少,传统的设计普遍依赖于试验研究。以狭小空间下爆炸螺栓捕获器为研究对象,在显式动力学理论基础上,对捕获器的工作过程进行了仿真分析,定量分析了关键几何尺寸对捕获效果的影响,提出一种优化的捕获器结构,为中国新一代运载火箭捕获器的研制和选型提供依据。
In order to avoid the separation of spacecraft and fire separation device in the separation of the arrow (bomb) body of the separation of excess material, the need to design the corresponding excess material capture device (hereinafter referred to as the catcher). There are few theoretical researches on the structure design of the catcher at home and abroad. The traditional design generally depends on the experimental research. Taking the explosive bolt catcher in the narrow space as the research object, the working process of the catcher was simulated and analyzed based on the explicit dynamic theory, and the influence of the key geometric dimensions on the acquisition effect was quantitatively analyzed. An optimized acquisition Device structure, provide a basis for the development and selection of a new generation of launch vehicle capture device in China.