迟发火对某内能源自动机动态特性的影响分析
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Influence Analysis of Delayed Ignition on Dynamic Characteristics ofInternal Energy Automatic Gun
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    摘要:

    为提高自动机射击的可靠性,分析迟发火对某内能源自动机动态特性的影响。通过分析该自动机闭锁时 的结构原理,建立该自动机闭锁击发时的虚拟样机模型。对首发、起始浮动和稳定浮动时闩座自由反跳情况进行动 力学仿真,并与实验结果进行对比,验证所建虚拟样机的可信性。在此基础上构建闩座相对于炮箱位移的判据,仿 真得到首发、起始浮动和稳定浮动时迟发火会对自动机造成的影响。结果表明:造成自动机故障的时间范围首发时 为10~30 ms,起始浮动时为6~34 ms,稳定浮动时为9~32 ms;该分析可为后续同样结构的内能源自动机设计提 供参考。

    Abstract:

    In order to improve the firing reliability of the automatic gun, the influence of delayed ignition on the dynamic characteristics of internal energy automatic gun was analyzed. By analyzing the structural principle of the automatic gun when it is automatically locked, the virtual prototype model of the automatic gun when it is locked and firing is established. The dynamic simulation of the free rebound of the latch seat during the first launch, initial floating and stable floating is carried out, and the experimental results are compared to verify the credibility of the established virtual prototype. On this basis, the criterion of the displacement of the latch seat relative to the gun box is constructed, and the influence of delayed ignition on automatic gun during the first launch, initial floating and stable floating are simulated. The results show that the time range of causing automatic gun failure is 10~30 ms for the first launch, 6~34 ms for the initial floating, and 9~32 ms for the stable floating. This analysis can provide reference for the subsequent design of internal energy automatic gun with the same structure.

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梅 康.迟发火对某内能源自动机动态特性的影响分析[J].,2022,41(1).

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  • 收稿日期:2021-09-13
  • 最后修改日期:2021-10-28
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  • 在线发布日期: 2022-01-11
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