刚性包带式星箭连接装置解锁分离过程动力学分析

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振动与冲击 ›› 2021, Vol. 40 ›› Issue (8) : 150-156.

论文

郭欣1，朱仕尧2，刘观日3，于兵3，唐科3，雷勇军2

作者信息 +

Separation dynamic analysis of a rigid-clamp-band-type satellite-rocket connection device

GUO Xin1,ZHU Shiyao2,LIU Guanri3,YU Bing3,TANG Ke3,LEI Yongjun2

Author information +

文章历史 +

摘要

刚性包带式星箭连接装置能够为重型运载火箭提供更高的星箭连接承载能力，但对其分离释放过程的动力学研究尚未深入。该研究建立刚性包带式星箭连接装置非线性动力学分析模型，采用显式动力学仿真法分析了包带接头分离速度、分离冲击响应和捕获运动规律，研究解锁时间和预紧力等因素对分离与捕获过程的影响规律。结果表明：延长解锁时间和减小预紧力会导致包带接头分离速度降低，卫星冲击载荷减小，与捕获器接触时长增加，与脱离端框时间延后，甚至可以改变包带分离运动规律，引起卫星倾斜分离，在工程应用中应综合考虑。

Abstract

A rigid clamp band system can provide a higher carrying capacity for a heavy-lift launch vehicle, but the research on its separation and capture dynamics process has not been deepened. In this paper, a nonlinear dynamic analysis model of a rigid clamp band system was established. The separation velocity, separation shock response, and capture motion of the rigid clamp band system were analyzed by an explicit dynamic simulation method. The influences of factors such as unlocking time and preload force on the parameters of separation and capture process were investigated. The results show that the extension of the unlocking time and the reduction of the preload force will result in the decrease in the separation speed and the impact acting on the satellite, the increase in the contact duration with the trapper, and the change in the separation movement of the clamp band, even causes the satellite to lean, which should be considered comprehensively in engineering applications.

导出引用

郭欣1，朱仕尧2，刘观日3，于兵3，唐科3，雷勇军2. 刚性包带式星箭连接装置解锁分离过程动力学分析[J]. 振动与冲击, 2021, 40(8): 150-156

GUO Xin1,ZHU Shiyao2,LIU Guanri3,YU Bing3,TANG Ke3,LEI Yongjun2. Separation dynamic analysis of a rigid-clamp-band-type satellite-rocket connection device[J]. Journal of Vibration and Shock, 2021, 40(8): 150-156

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