可编程控制在主井带式输送机上的应用

Application of Programmable Control in Main Belt Couveyor

凤凰山矿主井带式输送机原采用的是传统的继电器硬布线逻辑控制方式，由于触点多、接线复杂等弱点，故障频繁，并经常出现自动停车，严重影响正常生产，该矿采用可编程控制器（ 简称ＰＬＣ） 后，解决了过去生产运输过程中的瓶颈问题，获得了很好的社会经济效益。

H17Vehicle radio station is the part used in the poorest conditions with highest fault rate in the radio leakage communication system of mine use.Detailed description of the examining and repairing principles and methods were presented in this paper.ents and the method in this study It can decrease the expenditure and time of studying low thermal expansion superalloys oxidation characteristic and establish the foundation for the development of the low thermal expansion superalloys