The selected Cummins electronic control engine with strong power,combined with the electronc control system and hydraulic system of Zoomlion's core technology,can fully exert its working ability.Zoomlion self-made rotary drilling rig special chassis perfectly matches the power system with the hydraulic system,making the hydraulic system more efficient and energy-saving.Optimizing the center of gravity of the entire machine,reducing the height of the center of gravity, increasing effective pressure,and improving the efficiency of rock entry.The new generation rotary drive has added a two-stage buffer,which has a higher structural strength and makes the equipment more stable when entering the rock;Extended guidance for higher rock penetration accuracy.