几种不同四连杆结构形式的放顶煤液压支架  

Analysis on Several Different Kinds of Four-lemniscates Link of Low Caving Coal Hydraulic Support

作　　者：张跃东 于磊 

机构地区：[1]郑州煤矿机械集团股份有限公司,郑州450013

出　　处：《煤矿机械》2013年第8期178-180,共3页Coal Mine Machinery

摘　　要：通过对四柱支撑掩护式低位放顶煤液压支架的几种不同四连杆结构形式的探讨,为放顶煤液压支架的选型与设计提供理论参考。Mainly analysing on several different kinds of four-lemniscates link of low caving coal hydraulic support,this paper can be useful for the selection and design of caving coal hydraulic support.

关 键 词：低位放顶煤液压支架 反四连杆 正四连杆 前双后单 前双后双 

分 类 号：TD355[矿业工程—矿井建设]