This paper analyzes and abstracts the fault feature of the pressure signal generated by operating gear pump which is part of the loading machine hydraulic system when oil box is lack of oil through digital signal filter,fft.
论文以装载机液压系统工作齿轮泵压力信号为对象,利用数字信号滤波、快速傅立叶变换为工具,分析并提取了装载机油箱少油工况下该信号的故障特征量,为装载机液压系统其它工况下的故障特征量提取提供了参考。
Development and application of the auto-feeding system in the loading lines on the coal mine railways;
煤矿铁路装车线装载自动添加系统的开发与应用
New rebuilding approach of loading equipment on vertical shaft skip in monkey or middle coal mine;
中小煤矿立井箕斗装载设备改造的新途径
Research on the packing of loading rectangular freight into a container;
集装箱装载矩形货物的布局研究
Reversible and High Dye-Loading of Amphiphilic Hyperbranched Poly(sulfone-amine)s;
两亲性超支化聚砜胺对染料的可逆高装载
The paper analyzes the running safety situation of loaded freight wagons that is faced after speed raising and the problems existed in current railway freight examination means.
分析铁路列车提速后 ,货车装载运行过程所面临的安全形势和铁路现行货检检查手段存在的问题 ,提出货车装载状态监测系统 (检测门 )的设计目标、研究内容和主要功能 ,以及在试 (使 )用过程中应如何修改完善相关规章等问题。
discusses the control principle,scheme,circuits for realizing the scheme and control method of batch blending and loading of oil products.
论述了油品的管线调合的批量装载控制原理、方案，实现线路和方法。
Improvement of front frame of a loader based on finite element analysis;
基于有限元分析装载机前车架的改进
The Design on computer control system for the working Device of a Loader;
装载机工作装置微机控制系统的设计
Brief Introduction of Engine Cover for F Series of Loaders...;
F系列装载机发动机罩之简介
Research on Main Shaft s Skip Weight-fixed Loading System of Coal Mine;
矿用立井箕斗定重装载系统研究
The new system implements automatic and weight-fixed loading.
针对原装载系统存在的问题,利用可编程控制器实现系统主控制,对井下装载系统的定重、定容、定时装载方式进行改造,实现了装载自动化和定重装载。
Aiming at skip's loading in course of mine hoisting,the differential equation of motion for the skip with variable coal mass was built.
以矿井提升中的箕斗装载为研究对象,建立了变质量箕斗的运动微分方程。