一种双级伸缩式液压支柱的设计及使用  

Design and Application of a Kind of Two-Stage Telescopic High Prop

作　　者：方家耀 FANG Jia-yao(Zhejiang Quzhou Coal Mine Machinery Plant Co.,Ltd.,Quzhou 324000,Zhejiang)

机构地区：[1]浙江衢州煤矿机械总厂股份有限公司,浙江衢州324000

出　　处：《凿岩机械气动工具》2020年第4期11-14,共4页Rock Drilling Machinery & Pneumatic Tools

摘　　要：SDWSG系列单体液压支柱是一种由两组伸缩机构叠加组成的新型高外注式单体液压支柱。液压行程大、支护范围广,可适合使用的工作面高度范围更大。SDWSG series single hydraulic prop is a new type of single hydraulic prop with high external injection,which is composed of two sets of telescoping mechanisms.The hydraulic stroke is large,the support range is wide,and the working face height range suitable for use is larger.

关 键 词：单体液压支柱 伸缩机构 支护 

分 类 号：TD355.3[矿业工程—矿井建设]