DL—40型轻便钻机系由地矿部勘探技术研究与市机械厂联合研制的,它是一种使用长螺旋钻具,电动动力头钻机(见附图),于1986年12月通过鉴定。该钻机可用微型帅60一225垃m)和小型(300价~400n;111)基础桩孔、.右政J’.程孔、物探爆破孔、农村简易水井等钻进。本机由电动动力头、油缸铜丝绳倍速加 DL-40 Lightweight Drilling Rig was developed by the Ministry of Geology and Mineral Resources exploration technology research and municipal machinery factory, it is a long screw auger, electric power head rig (see photo), in December 1986 passed the appraisal. The drilling rig can be used with a miniature handsome 60 a 225 rubbish m) and small (300 ~ 400n; 111) basic pile hole, the right political J ’. Cheng hole, geophysical explosives holes, simple rural wells and other drilling. This machine consists of electric power head, cylinder speed plus copper wire