Abstract
Buffer device for interstage pyrotechnic separation is the key part to achieving electrical connector plug separation. This paper carries out research on the buffer structure in different working conditions and finally designs two kinds of buffer devices, which are respectively applied to the stage separation structure of large mass SLMB (Shingle-Like Mass Blocks) and the stage separation structure of the small mass SLMB. Both can control the energy absorption size of the device through structural parameters to adapt to different working conditions. Compared with the original structure, the buffer effect after optimization is very obvious. The time domain peak value and frequency domain peak value of the buffering device suitable for small mass SLMB are reduced by 79.90% and 85.67%, respectively. The buffering device suitable for large mass SLMB changes the energy absorption mode of the buffering structure, and the steel cable structure will not break. Compared with the original structure loaded with small mass SLMB, the response in the time domain and frequency domain also decreased. The application range of buffer devices for interstage pyrotechnic separation is greatly expanded.
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