Research on the Impact Load Characteristics of Embedded Missile Bay

doi:10.3969/j.issn.1000-1093.2019.04.025

Abstract

Abstract: An embedded missile bay launches weapons by ejection. At the moment of ejection, a great impact load is generated on the upper frame and air inlet. The ejection impact loads of embedded missile bay should be accurately calculated for structural design. A dynamic model of missile ejection mechanism is established. The influence of connection form of hanging point on the impact load is obtained through the rigid or flexible treatment of the hanging point of embedded missile bay. The relationship between peak output and impact load characteristics of different actuators is studied. The influence of the mass of a missile on the impact load after retrofitting the ejection frame is analyzed. The research results show that the flexible connection form can correctly describe the transfer process of impact load. And the peak pre-power mode can provide better ejection effect. The task envelope of the modified ejection system can be guided from the relationship between the mass of missile and the peak value of power. Key

Key words: embeddedmissilebay, rigid-flexiblecoupling, ejectiondevice, impactload

CLC Number:

QI Wuchao, LIU Heng, JIN Deyu. Research on the Impact Load Characteristics of Embedded Missile Bay[J]. Acta Armamentarii, 2019, 40(4): 889-896.

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第40卷
第4期2019 年4月兵工学报ACTA
ARMAMENTARIIVol.40No.4Apr.2019

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