针对某型发动机孔探口堵头的故障现象,进行了装配结构分析和故障树分析,并对分析结果进行了计算仿真验证和故障再现试验,证实了分析结果的正确性,并对此提出了改进预防建议。 Aiming at the failure phenomenon of the plug of a certain type of engine hole probe, the analysis of assembly structure and fault tree analysis were carried out. The calculation results of the simulation and fault reappearance test were verified, and the correctness of the analysis results was proved. Improve prevention advice.