1, Application range: a. This drill rig is suitable for reconnaissance exploration, geophysical prospecting, road and building exploration, and drilling engineering. b. Drilling according to the different selection of alloy formation, grit and steel shot etc. c. Can drill grade 2-9 sandy clay and bedrock layer, etc. d. Rated borehole depth 100m, the deepest shall exceed 120m. The diameter of the opening hole is 110mm, the maximum opening diameter of the hole is 130mm, the final hole diameter is 75mm, and the drilling depth is determined according to the formation conditions. 2,Features a. With the oil pressure automatically to the mechanism, improve drilling efficiency, reduce manual labor. b. The ball card holding mechanism instead of chuck, can be implemented without shutdown rod, convenient operation, safe and reliable. c. It is easy to grasp the hole with the pressure gauge of the bottom in the hole. d. Handle centralized, easy to operate. e. The structure is compact, the drill, the pump and the diesel engine are all installed on the same base, the occupancy area is small. f. Light weight, strong decomposition, easy to move, suitable for plain or mountainous area work.