基于比例阀和伺服阀的恒减速液压站的研究

本文分介绍了液压制动系统在煤矿上的应用情况，对二级制动时减速度进行了简单的分析，并介绍了二级制动和恒减速制动的工作原理和它们的区别。简要介绍了电液比例阀和伺服阀各自的原理和区别。针对E141A液压站介绍了恒减速液压站的基本组成和主要作用，然后简要介绍了该液压站在工作制动时的电气控制原理和液压原理。最后主要介绍了安全制动的工作过程，并介绍了他的电气和液压系统的控制原理。

Research on Constantly Decelerating Hydraulic Braking System Equipped Proportional Valve and Servo Valve

In this article,in the first part,the author introduces the application of the hydraulic braking system in the coal mines,then put an mechanics analysis during two-stage bake period,have a discussion on the working principle and difference of constantly decelerating hydraulic braking system and two-stage braking system.in the second part,the paper discribes the principle and difference of proportional valve and servo valve.in the third part the part the author gives an simply introduction of the composition...