Effect of Friction on Arming Motion of Fuze Setback Arming Pin

Chenlai ZOU; Yushi WANG; Guangyu WANG

doi:10.12382/bgxb.2022.0010

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Effect of Friction on Arming Motion of Fuze Setback Arming Pin

更新时间：2025-08-18

- Effect of Friction on Arming Motion of Fuze Setback Arming Pin
- Acta Armamentarii Vol. 44, Issue 5, Pages: 1296-1309(2023)
- 作者机构：
  
  南京理工大学机械工程学院, 江苏南京 210094
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2022.0010
  CLC：
- Received：04 January 2022，
  
  Published Online：19 July 2023，
  
  Published：31 May 2023
- 稿件说明：
移动端阅览
Chenlai ZOU, Yushi WANG, Guangyu WANG. Effect of Friction on Arming Motion of Fuze Setback Arming Pin[J]. Acta Armamentarii, 2023, 44(5): 1296-1309.
DOI：

Chenlai ZOU, Yushi WANG, Guangyu WANG. Effect of Friction on Arming Motion of Fuze Setback Arming Pin[J]. Acta Armamentarii, 2023, 44(5): 1296-1309. DOI： 10.12382/bgxb.2022.0010.

摘要

针对引信单自由度直线运动后坐保险机构设计优化问题

开展不同摩擦条件下侧压簧对惯性筒动态响应特性的影响研究。运用刚体动力学理论和ADAMS刚体动力学仿真软件

研究侧压簧即被保险件预压簧作用于后坐保险件上的摩擦力对后坐保险件在发射和跌落时动态响应特性的影响。得到有侧压簧即被保险件预压簧作用时后坐保险件在多种不同冲击过载作用下的位移响应和速度响应。研究结果表明:被保险件对后坐保险件的摩擦缓释效应有利于提高后坐保险机构的跌落安全性

而对后坐保险机构发射时正常解除保险影响十分有限;通过优化被保险件预压簧的预压抗力和/或被保险件与后坐保险件之间的摩擦系数

可使引信后坐保险机构的跌落安全性得到改善。

Abstract

To optimize the mechanism of a single-degree-of-freedom linear-motion setback arming device of a fuze

the effect of the spring preload on the dynamic response characteristics of the inertial unit under different friction conditions was studied. The rigid body dynamics theory and ADAMS rigid body dynamics simulation software were used to study the effect of friction which exists due to the preload of a spring on the locked component on the dynamic response characteristics of the setback arming pin during launch and drop. Through theoretical calculations

the displacement response and velocity response of the setback arming pin under a variety of impact overloads were obtained. The results showed that the frictional retardation effect of the locked component on the setback arming pin contributes to the improvement of the drop safety

and that its effect on the arming performance of the setback arming device during launch is limited. By optimizing the preload force of the spring on the locked component and/or the friction coefficient between the locked component and the setback arming pin

the drop safety of the fuze setback arming device can be improved.

关键词

Keywords

references

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