某型飞机充气口盖故障分析

Analysis on failure of aircraft charging access cover

针对一起飞机在做地面炮振试验时,炮口附近充气口盖出现的失效进行故障分析。通过对故障口盖的实地检查,确定了飞机发生故障的原因,并提出了改进方案,同时,对此方案进行了评估,分析结果表明,该方案大幅降低了口盖最大变形,提高了口盖的可靠性。

This paper presents analysis on failure of charging access cover near the gun muzzle happened in the ground gun vibration test. After checking of defective access cover on the site, the cause is found. an improvement plan is proposed and evaluated. The analysis result shows the plan can reduce the max. deformation of access cover greatly and improve reliability of access cover.