液压支架平衡千斤顶的失效分析及预防  

Failure Analysis and Prevention of Equilibrium Jack on Hydraulic Shield Support

作　　者：尚慧岭 

机构地区：[1]中平能化集团设备租赁分公司,河南平顶山467021

出　　处：《煤矿机电》2011年第5期88-91,共4页Colliery Mechanical & Electrical Technology

摘　　要：针对综采工作面掩护式液压支架平衡千斤顶失效,分析了平衡千斤顶的受力状况。通过验算偶合构件的强度及对双向锁安全阀污染状态进行铁谱分析,提出预防措施及偶合构件强度设计优化方案,以充分发挥液压支架的工作性能,实现矿井高效安全生产。Aimed at the failure of hydraulic shield support equilibrium jack on fully mechanized coal faces,the force characteristic of equilibrium jack was analyzed.The intensity of coupling hardware was checked and calculated,the pollution state on reversible lock relief valve was analyzed by ferrography.The prevention measures and the coupling hardware intensity design optimum proposal were proposed.Hope the working performance of hydraulic support can be fully developed,then realized high efficiency safe production at coal mine.

关 键 词：掩护式支架 千斤顶失效 防治措施 

分 类 号：TD355.4[矿业工程—矿井建设]