A new type of the combined hydraulic support of suspension roof timber is designed based on the analysis of simple supports and fully mechanized mining supporter.
本课题在分析了几种简易轻便自移支架的基础上,提出了一种新型支架的架型——悬移顶梁组合支架。
This paper introduces the methods and measures of the adjustment of support tilt caused by ultrahigh mining in fully mechanized coal face.
本文介绍了综采工作面回采超高时倾斜歪倒支架调整的方法及措施。
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
在综采放顶煤工作面顺槽掘进过程中,由于顺槽煤层顶板松动破碎,并且顺槽采用矩形断面,顶板跨距较大,不利于巷道支护。
Selecting support pattern is an important component in support design for mining roadway in fully mechanized caving face.
选择支护形式是综放回采巷道支护设计的重要内容。
Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.
寺河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型垛式支架对巷道进行超前支护,实践中提出了支护过程中存在的几点问题并提出了改进意见。
Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.
寺河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型垛式支架对巷道进行超前支护,实践中提出了支护过程中存在的几点问题并提出了改进意见。
应用推荐