带式输送机更换托辊用皮带举升机构设计与应用
田立勇,唐瑞,于宁,陈洪月
Design and application of belt lifting mechanism for replacing idler of belt conveyor
Liyong TIAN,Rui TANG,Ning YU,Hongyue CHEN
图21
停机状态下井下试验现场
Fig.21
Underground test site in shutdown state