溜井堵塞被称为矿山的“喉癌”,检查和处理溜井堵塞被称为“虎口拔牙”,而有底柱分段崩落法采场矿石过挤压悬拱的检查与处理又被称为“虎口夺食”。以往,有的矿山因检查处理方法不当,一些人被夺去生命,成为矿山的老大难问题。为了确保检查人员的安全操作,我们研制了一种操作简 Blocking the runway is called the “laryngeal cancer” of the mine. Checking and handling the blockage of the runway is called “tiger’s mouth extraction.” The inspection and handling of the over-extruded arch with the pillar caving method is also called “ Take food. ” In the past, some mines due to improper inspection and handling methods, some people have been deprived of life, a mining problem. In order to ensure the safety of inspectors, we have developed a simple operation