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回转斗钻孔机是由钻杆带动回转钻斗旋转掘削岩土 ,然后提升至孔外卸土的周期循环作业的取土成孔灌注桩施工机械。其工作装置由回转钻斗、伸缩钻杆、加压装置、液压系统等组成。图 1为回转斗钻孔机的整机简图。图 2为回转钻斗的构造图。图 1 回转斗钻孔机简图1.伸缩钻杆 2 .
Rotary bucket drilling machine is driven by the drill pipe rotary drilling bucket rotary excavation of rock and soil, and then hoisted to the hole outside the cycle of cyclical loading and Dumping pile construction machinery. The working device consists of rotary drilling bucket, telescopic drill pipe, pressure device, hydraulic system and other components. Figure 1 is a rotary bucket drilling machine machine diagram. Figure 2 for the rotary drill bucket structure. Figure 1 rotary bucket drilling machine diagram 1. Extension drill rod 2.