Mainly used in industrial and civil construction, railway and bridge foundation construction. The hydraulic system adopts load-sensitive system and pilot control circuit to achieve the best matching under various working conditions. Hydraulic pumps, hydraulic motors, reducers, and various hydraulic valves All international brand products are adopted to achieve high system reliability. The parallelogram luffing mechanism ensures accurate positioning of the drilling tool. The mature electronic control system can realize automatic sag adjustment and hole depth monitoring, as well as real-time monitoring of the whole machine. The crawler telescopic special chassis has high power, low center of gravity, and good stability of the drilling rig.