液力式喷头磨损测量试验台的研制  

Set-up of wear measurement for hydraulic nozzles

作　　者：翟恩昱[1] 郑加强[1] 甘英俊[1] 

机构地区：[1]南京林业大学机电学院,南京市210037

出　　处：《中国农机化学报》2013年第2期189-193,共5页Journal of Chinese Agricultural Mechanization

基　　金：国家林业公益性行业科研专项项目(200904051);南京林业大学科技创新基金(液力式喷头磨损规律的研究)

摘　　要：研制的液力式喷头磨损测量试验台采用自循环方式、混合流四斜叶涡轮搅拌桨,保证试验液体中磨粒混合均匀。系统压力调整采用变频器调压方式,控制系统以通讯方式实现对变频器的控制。通过高精度的电磁流量计与先进的计算机控制与处理技术测量喷头流量和磨损率,并可实现各参数精密同步测定及处理功能。最后,通过试验分析该设备的测试精度。The self-circulation method is used in the set-up of wear measurement for hydraulic nozzles,and 4 inclined-blade rush ton turbine is equipped for uniform mixing of abrasive particles in liquid.The hydraulic pressure is adjusted by controlling transducer by way of compute communication.The flux of spray nozzle and the wear rate is measured by accurate electromagnetic flow-meter and is also applied with computer-controlled and processing technology.It can also achieve precise and synchronous measurement and processing of various parameters.At last,the test accuracy is analysis through the experiments

关 键 词：液力式喷头 磨损 试验台 计算机控制 

分 类 号：S491[农业科学—植物保护]