一、概述菲林JED-A型钻机是一种反循环水井钻机，机组装有许多部件：专利的空气引动射流喷射器系统；通孔457毫米铰接转盘；高17.7米、负荷能力41吨的钻架；高压离心泵；三滚筒卷扬机；两台带防护的发动机——一台驱动转盘和卷扬机，另一台驱动泵和空压机。图1是钻机的外形。图2是传动系统。JED-A型钻机推荐用于深度122米到183米、直径到1270毫米的孔，根据地层情况而定。当增加任选 I. Overview Film JED-A rig is a reverse circulation water well drilling rig, the unit is equipped with many components: a patented air-driven jet ejector system; through-hole 457 mm hinged turntable; 17.7 meters high, the load capacity of 41 tons of drill rig ; High-pressure centrifugal pump; three-drum winch; two with protective engine - a drive turntable and hoist, another drive pump and air compressor. Figure 1 is the appearance of the rig. Figure 2 is the transmission system. JED-A drills are recommended for holes 122 to 183 meters in depth and 1270 mm in diameter, depending on the formation. When adding optional