Drilling device for geological exploration

The utility model discloses a drilling device for geological exploration, and belongs to the technical field of geological exploration. The drilling device for geological exploration comprises a bottom plate, rolling wheels are rotationally arranged on the left side and the right side of the front surface and the rear surface of the bottom plate, a rectangular drill hole is formed in the middle of the upper surface of the bottom plate, and two square holes are formed in the right side of the upper surface of the bottom plate; lifting mechanisms for driving the rotating mechanism and the drilling mechanism to ascend and descend are arranged on the front side and the rear side of the upper surface of the bottom plate correspondingly. A driving mechanism for driving the two lifting mechanisms to operate is arranged on the right side of the lower surface of the bottom plate, and the driving mechanism is connected with the right ends of the two lifting mechanisms through two square holes; the problems that a drill