Product Feature: (1)With the hydraulic automatic feeding mechanism, improve drilling efficiency, reduce the labor intensity of workers. (2)The ball card holding mechanism instead of the chuck, and is equipped with a clamping positioning mechanism can be implemented without shutdown rod. (3)Equipped with a pressure gauge instructions at the bottom of the bore pressure, easy to master the hole. (4)The handle is centralized, and the operation is convenient. (5)Compact structure, power drill and are installed on the same base, small occupied area. (6)Light weight, decomposition and strong, easy to move, suitable for plain or mountains. (7)Equipped with safety protection cover, highlighting the design features of the humanized equipment. (8)For the oil tank bottom and vertical axle box joint with a fixed nut, enhance the reliability rig. Rated rig drilling depth of 200 m, the deepest shall not exceed 220 m. Rated hole diameter is 200 mm. The biggest opening allows 300 mm diameter. Drilling depth and drilling diameter should be according to the stratigraphic conditions.