基于低液压撞击航空液压附件的综合检测设备研制  

Holistic Testing Equipment for Aviation Hydraulic Accessories Based on Low Hydraulic Impact

作　　者：杨安元 李传良 张军[1] YANG Anyuan;LI Chuanliang;ZHANG Jun(Aviation Maintenance NCO Academy,Air Force Engineering University,Xinyang 464000,China)

机构地区：[1]空军工程大学航空机务士官学校机械工程系,河南信阳464000

出　　处：《机械工程师》2024年第10期13-16,共4页Mechanical Engineer

摘　　要：根据现役飞机液压系统附件种类多、参数广、跨度大、液压撞击大、难以精确检测的特点,研制了一套低液压撞击航空液压附件综合检测设备,可基本满足现代航空液压附件综合检测需求。在综合考虑不同航空液压附件检测需求后,介绍了设备的总体设计思路,采用多支路并联供压,配置多种电源,设置电压、电流、压力、温度、流量等参数测量控制环节。阐述了其硬件结构组成及主要部件的功能,并对设备各组成部分工作原理进行描述。针对传统检测产生的液压撞击问题,介绍了低液压撞击回路的组成和工作原理,对比了试验中管路改进前后作动筒负载压力的实际变化情况。该设备可满足现役飞机液压系统大部分附件的检查要求,设备工作可靠,检测精度高,已在航修厂和院校应用。According to the characteristics of in-service aircraft hydraulic system accessories with many types,wide range of parameters,large span,large hydraulic impact,and difficult to accurately detect,a set of low hydraulic impact aviation hydraulic accessory comprehensive testing equipment is developed,which can basically meet the needs of modern aviation hydraulic accessory comprehensive testing.After comprehensive consideration of different aviation hydraulic accessories detection needs,we introduce the overall design of the equipment ideas,the use of multi-branch parallel pressure supply,configure a variety of power supply,set the voltage,current,pressure,temperature,flow and other parameters of the measurement and control links.Its hardware structure composition and the function of the main components are elaborated.The working principle of each component of the equipment is described.Aiming at the hydraulic impingement problem generated by traditional testing,the composition and working principle of the low hydraulic impingement circuit are introduced,and the actual changes in the load pressure of the actuator cylinder before and after the improvement of the pipeline in the test are compared.The equipment can meet the inspection requirements of most of the accessories of the hydraulic system of the in-service aircraft,and the equipment works reliably with high inspection accuracy,which has been applied in aviation repair factories and colleges.

关 键 词：液压 附件 检测设备 液压电磁阀 

分 类 号：TH137[机械工程—机械制造及自动化]