The drill rig meets the needs for large diametermicro-pile borehole and deep borehole drilling.Itsarticulatina structure of flexible multi-articulationis more convenient for operator to observe theboreholemouth.Loading andunloadina orilrodsis much easier with three clamps. The auxiliaryazimuth monitoring system makes the drill rig setup borehole position more accurate and quickgreatly saving set-up time and improving overallworking efficiencyoverall work efficiency.