Portable geological exploration drilling rig

The utility model discloses a portable geological exploration drilling rig, and relates to the technical field of geological exploration. The drilling machine comprises a box body, a drilling assembly, a lifting mechanism and an angle adjusting mechanism, the drilling assembly is located in a groove of the box body, the lifting mechanism is fixed to the angle adjusting mechanism and drives the drilling assembly to ascend and descend in a mechanical transmission mode, and the angle adjusting mechanism is fixed to the top of the box body and used for manually adjusting the angle of the lifting mechanism; a telescopic pull rod is arranged in the middle of the bottom of the box body, and adjustable trundles are arranged at the four corners of the bottom of the box body; a boss is integrally formed on the top of the box body, and a push rod is hinged to the boss. By arranging the adjustable trundles, the telescopic pull rod and the push rod, the device is convenient to carry and transport, the working efficiency i