双初速自动机结构参数匹配研究  

Parameter Matching of Automaton with Two Velocities

作　　者：王亚平[1] 王永娟[1] 张宁[1] 

机构地区：[1]南京理工大学机械工程学院,南京210094

出　　处：《兵工自动化》2015年第7期86-89,共4页Ordnance Industry Automation

摘　　要：针对兼容发射致命弹与非致命弹的要求,提出双初速自动机原理,进行双初速自动机关键结构参数的匹配研究。采用多体动力学理论,基于ADAMS软件建立双初速自动机22个刚体34个自由度仿真分析模型。采用不同前/后枪机质量、前/后复进簧刚度与预压力的匹配方案,分析枪机的运动特性、抛壳动作的可靠性及枪机结合时的运动稳定性,给出结构参数对自动机运动的影响规律。结果表明:该方法动作连贯平稳,能确定双初速自动机原理的可行性,实现致命性与非致命性发射的功能,为双初速自动机的设计提供有效的技术支撑。The primary goal for the automaton with two velocities design is satisfy the demand of fatal and non-fatal capabilities. Carry out parameter matching of two velocities automata key structure. Adopt multi-body dynamic theory, based on ADAMS software to establish simulation analysis model of 22 rigid bodies and 34 degree of freedom two velocities automata. Use different front/back gun quality, front/back recoil spring＇s stiffness and preloading matching scheme, analyze the kinematic characters of bolt, reliability of ejecting bullet＇s case and contact between front bolt and rear bolt are analyzed, and put forward influence rule of structure parameter on automata movement. The results show that, the method movement is coherence and stable, the automaton with two velocities is feasible. And it can realize fatal and non-fatal shooting and give technology support to two velocities design.

关 键 词：双初速 自动机 参数匹配 动力学 

分 类 号：TJ203[兵器科学与技术—武器系统与运用工程]