航空机械部件磨损原因和诊断分析  

Causes and Diagnostic Analysis of Wear in Aviation Mechanical Components

作　　者：刘少华 Liu Shao-hua(Civil Aviation Flight University of China Mianyang Flight College Mianyang,Sichuan Mianyang 621000)

机构地区：[1]中国民用航空飞行学院绵阳分院,四川绵阳621000

出　　处：《内燃机与配件》2025年第6期74-76,共3页Internal Combustion Engine & Parts

摘　　要：本研究分析了塞斯纳172R型飞机襟翼支架的磨损问题,该机型在学院的平均飞行时间接近2万小时。通过磨损照片及运行数据,探讨高频使用和复杂环境对支架磨损的影响及潜在安全隐患。研究揭示了磨损的主要成因,包括材料疲劳、机械摩擦和环境因素的综合作用,并评估了磨损对襟翼操作性能、支架强度及飞行安全的威胁。提出了改进措施,包括强化定期检查、优化润滑防护策略及改良材料与结构设计,为高频使用教练机的维护与寿命管理提供了参考依据。This study analyzes the wear issues of flap brackets on the Cessna 172R aircraft,with the average flight time of this model at the institution approaching 20,000 hours.Through the analysis of wear photos and operational data,the impact of high-frequency usage and complex environments on bracket wear and potential safety risks is explored.The study reveals the primary causes of wear,including material fatigue,mechanical friction,and the combined effects of environmental factors,and assesses the threats posed by wear to flap operation performance,bracket strength,and flight safety.Improvement measures are proposed,including strengthening regular inspections,optimizing lubrication and protection strategies,and improving material and structural designs,providing a reference for the maintenance and life management of trainer aircraft subjected to high-frequency use.

关 键 词：塞斯纳172 磨损机理 寿命管理 

分 类 号：V23[航空宇航科学与技术—航空宇航推进理论与工程]