Manual small portable drilling machine used on geotechnical engineering investigation mountain

The utility model relates to the technical field of geotechnical engineering drilling equipment, in particular to an artificial small-sized light drilling machine used on a geotechnical engineering investigation mountain, which comprises a device main body, the device main body comprises a bottom plate, universal wheels are arranged at four corners of the bottom of the bottom plate, an open groove is formed in the top surface of the bottom plate, and supporting rods are arranged on two sides of the open groove on the top of the bottom plate. A top plate is arranged at the top of the supporting rod, a drilling machine body is arranged at the position, located on the inner side of the supporting rod, of the bottom of the top plate, and a control structure facilitating a user to operate a drilling machine is arranged on the rear side of the top of the bottom plate. The drilling machine is simple in structure, a worker does not need to press the drilling machine through self strength, energy of the worker is good