介绍了嵩山煤矿地质构造和“三软”不稳定煤层特点,煤炭开采中存在的主要问题,放顶煤综采设备选型和主要技术参数,顶板支护、防片帮、防漏煤、底鼓、工作面快速安装等关键技术问题解决方案,通过现场实践,解决了极“三软”煤层综采放顶煤问题,为全面推广采煤机械化提供了经验。 This paper introduces the geological structure of Songshan Coal Mine and the characteristics of “three soft” unstable coal seams, the main problems in coal mining, the selection and main technical parameters of fully mechanized top coal caving mining equipment, roof support, anti-chip support and leakproof coal , Kick drum, face quick installation and other key technical solutions to solve the extremely “three soft ” coal seam fully mechanized top coal caving through field practice, to provide comprehensive experience to promote coal mechanization.