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弹箭与制导学报 >

2025 , Vol. 45 >Issue 1: 80 - 84

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2025.01.011

飞行器意外点火工况下贮运装置解锁特性研究

  • 郝予琛 ,
  • 张保刚 ,
  • 李昱霖 ,
  • 阎金贞 ,
  • 张学成 ,
  • 张兴勇
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  • 上海机电工程研究所,上海 201109
李昱霖(1985—),男,高级工程师,博士。E-mail:

郝予琛(1996—),男,工程师,博士。E-mail:

收稿日期: 2024-08-09

  网络出版日期: 2025-03-12

基金资助

国防基础科研计划项目(JCKY2023203A003)

中国航天科技集团钱学森青年创新基金(QXSCXJJ2023048)

收起

Research on Unlocking Characteristics of Storage and Transportation Device Under Accidental Vehicle Ignition Condition

  • HAO Yuchen ,
  • ZHANG Baogang ,
  • LI Yulin ,
  • YAN Jinzhen ,
  • ZHANG Xuecheng ,
  • ZHANG Xingyong
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  • Shanghai Electro-mechanical Engineering Institute, Shanghai 201109, China

Received date: 2024-08-09

  Online published: 2025-03-12

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摘要

发射筒解锁装置特性关系到飞行器发射系统工作甚至影响飞行任务的成败。为研究意外点火工况下贮运装置解锁特性,以发射筒典型杠杆式锁紧机构的纵向锁为研究对象,采用非线性显式数值试验方法建立纵向锁断裂模型,结合验证试验分析纵向锁解锁特性。研究表明:在发动机实际产生的轴向推力作用下,插销尾部螺纹发生破坏失效,并向外挤出插座减少接触,通过纵向锁断裂破坏实现解锁;基于数值试验推导了纵向锁临界作用力为27 kN,在实际工况下安全裕度为11%,结合模拟弹加载试验得到了纵向锁实际拉断工况,验证了数值试验的可靠性。研究结果可为贮运装置意外事故安全性分析提供理论参考。

关键词： 贮运装置; 锁紧机构; 纵向锁; 意外工况; 解锁特性

本文引用格式

郝予琛 , 张保刚 , 李昱霖 , 阎金贞 , 张学成 , 张兴勇 . 飞行器意外点火工况下贮运装置解锁特性研究[J]. 弹箭与制导学报, 2025 , 45(1) : 80 -84 . DOI: 10.15892/j.cnki.djzdxb.2025.01.011

Abstract

The reliability and safety of the unlocking device in a missile launcher are much more important to the launch system of an aircraft and they even influence its flight mission. In order to investigate the unlocking performance of storage and transportation device under the accidental vehicle ignition condition, the longitudinal lock in the typical lever locking mechanism of the launcher is taken as the objective in this paper. The nonlinear explicit numerical test method is adopted to establish a fracture model for the longitudinal lockto analyze its unlocking performance alongwith proof test. The results show that under the action of axial thrust generated by the motor, the end thread of the bolt is damages and failure, and the outlet is extruded to reduce the contact between each other, so that the unlocking function is finally realized according to the fracture of the longitudinal lock. Based on the numerical experiments, the critical force for the longitudinal lock is 27 kN, and the safety margin under actual working condition is 11%. The reliability of numerical experiment have been verified by using a simulated missile loading test to get actual fracture condition of the longitudinal lock. The results can provide theoretical reference for the safety analysis of the storage and transportation device.

Key words： storage and transportation device; fixing device; cylinder longitudinal lock; accidental condition; unlocking characteristics

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