大采高液压支架三级护帮结构及动作原理  

Three Level Side Protection Structure and Movement Principle of Hydraulic Support with Large Mining Height

作　　者：刘成峰[1,2] 

机构地区：[1]天地科技股份有限公司开采设计事业部,北京100013 [2]煤炭科学研究总院开采研究分院,北京100013

出　　处：《煤矿开采》2017年第3期44-46,共3页Coal Mining Technology

基　　金：国家重点基础研究发展计划(973)资助项目(2014CB046302):深部围岩自适应支护原理及系统创新理论;天地科技公司研发项目(KJ-2014-TDKC-03):8m超大采高综采总体配套模式与关键技术可行性研究

摘　　要：分析了不同护帮结构形式的结构特点,结合大采高综采支架实例,确定了合理的护帮长度,在此基础上,研究了大采高液压支架三级护帮合理的结构,介绍了其具体动作原理。实践证明,该结构能够对特厚煤层超大采高工作面煤壁进行有效防护。The structure characters of different side protection structure form were analyzed, based on example of fully mechanizedmining supporter with large mining height, based on it, reasonable structure of fully mechanized mining supporter with large miningheight was studied, it introduced its movement principle. The practical showed, the structure could proved an effective protection forworking face with large mining height and extra thickness coal seam.

关 键 词：液压支架 三级护帮 护帮结构 伸缩梁 

分 类 号：TD355.41[矿业工程—矿井建设]