摘要
为了研究大倾角综放工作面液压支架的下滑、倾倒原因,以北辛窑矿8102综放工作面为研究对象,通过对工作面局部煤层倾角达到23°的大倾角综放工作面支架稳定性进行研究,分析了大倾角综放工作面支架的稳定性,通过建立支架受力模型进行支架稳定性分析。通过分析支架的受力情况及稳定性,确定支架极限倾倒角和滑移角度,查找问题的根源,提出相应的防倒防滑改进措施,保证了大倾角工作面开采工艺条件下保证综放工作面液压支架的支护安全。
In order to study the causes of sliding and tipping of hydraulic brackets at large inclination workface,the stability of brackets at large inclination workface is analyzed by studying the stability of brackets at large inclination workface with local coal seam inclination up to 23°at Beixinyao Mine 8102,and the bracket force model is established for bracket stability analysis.By analyzing the force and stability of the bracket,determining the ultimate tipping angle and slip angle of the bracket,finding the root cause of the problem,and proposing corresponding anti-tilt and anti-slip improvement measures to ensure the safety of the hydraulic bracket support of the workface under the mining process conditions of the large tipping angle work face.
作者
邢鹏亮
Xing Pengliang(Jinneng Holdings Coal Group Beixinyao Coal Co.,Ltd.,Xinzhou Shanxi 036700)
出处
《机械管理开发》
2021年第11期122-123,126,共3页
Mechanical Management and Development
关键词
大倾角
综放工作面
支架
支护安全
large inclination angle
header workface
bracket
support safety
