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可编程控制器在井提升机行程监视和保护中的应用研究付正军，郑均忠，余发山（焦作矿业学院）１提升机行程保护曲线矿井提升机的行程速度围包括以下４阶段：加速、等速、减速、爬行。对行程保护其目的是保证４个阶段工况参数在安全范围之内。由于我国颁布的《煤矿安全规程...
Application of Programmable Logic Controller in Travel Monitoring and Protection of Well Hoist FU Zheng-jun, ZHENG Jun-zhong, YU Fa-shan (Jiaozuo University of Mining and Technology) 1 Hoist travel protection curve Mine hoist travel speed range includes the following four stages: acceleration, constant speed , Slow down, crawl. The purpose of the trip protection is to ensure that the 4-phase operating conditions are within safe limits. As China promulgated the "coal mine safety regulations ...