The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
da duan mian xiang dao shi yong cmm2-20 xing ye ya zuan che he ebh -315 jue jin ji pei tao jue jin ji shu
Author(s): 
Pages: 46-48
Year: Issue:  10
Journal: Coal

Keyword:  大断面一次成巷循环进尺;
Abstract: 传统大断面巷道施工工艺繁琐,需进行二次成巷施工,掘进机进退机作业次数多、流程复杂,临时支护和永久支护时间长,劳动作业强度大,掘进效率低。 CMM2-20型液压钻车和EBH-315型掘进机配套掘进技术工艺流程简单,杜绝了重复作业,节省了进退机作业时间,临时支护和永久支护操作简单,巷道高度容易控制,成型好,减少了工人劳动强度,大大缩短了支护时间,提高了掘进效率。
Related Articles
No related articles found