摘要
对两柱掩护式支架和四柱支撑式支架的性能进行了对比和分析,重点介绍了ZY6400两柱掩护式支架的主要特点及其在大同"两硬"地质条件下的应用情况。
This paper makes comparison and analysis of the performances of two-column shield hydraulic support and four-column braced hydraulic support,focusing on the main features of ZY6400 two-column shield hydraulic support and its application under Datong’s geological conditions of hard roof and hard seam.
出处
《科技情报开发与经济》
2010年第8期207-208,共2页
Sci-Tech Information Development & Economy
关键词
两柱掩护式支架
ZY6400支架
技术特征
性能比较
two-column shield hydraulic support
ZY6400 hydraulic support
technical features
performance comparison
