0 引言
1 锁紧机构工作原理
2 试验研究方法
2.1 冲击试验原理
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郝予琛(1996—),男,工程师,博士。E-mail: haoyuchen@126.com |
收稿日期: 2024-11-18
网络出版日期: 2025-07-09
基金资助
中国航天科技集团钱学森青年创新基金(QXSCXJJ2023048)
Study on the Locking Mechanism of Storage-transportation Integrated Device for High-speed Vehicle Under Impact Loading Conditions
Received date: 2024-11-18
Online published: 2025-07-09
郝予琛 , 张保刚 , 李昱霖 , 阎金贞 , 张学成 , 张兴勇 . 冲击载荷下飞行器贮运一体化装置锁紧特性研究[J]. 弹箭与制导学报, 2025 , 45(3) : 366 -370 . DOI: 10.15892/j.cnki.djzdxb.2025.03.014
The locking mechanism of storage-transportation integrated device is an indispensable important part of the precise combat system of the aircraft. In order to study the locking characteristics of the integrated storage and transportation device locking mechanism under impact load conditions, the lever-type locking mechanism, as a key equipment, was taken as the research object. The full-scale impact test was conducted on the medium-capacity impact tester. The locking characteristics were comprehensively analyzed and verified. The results show that under the action of impact load, the outer block of the locking mechanism is subject to shear failure, with the shear area of 39.77 mm2. The locking failure causes relative motion and collision between the aircraft and the integrated storage and transportation equipment. Based on the test results and numerical simulation methods, it is judged that the structural strength of the outer block in contact with the aircraft is insufficient, which is the main reason for the locking failure. Structural optimization design was carried out, and the impact test was conducted again. At this time, the locking mechanism works normally, and the aircraft is reliably fixed without collision. The research results can provide important engineering references for the verification of the locking characteristics of the integrated storage and transportation device and subsequent numerical calculation research.
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