Road surface core drilling machine

The utility model relates to the technical field of core drilling machines, and provides a road surface core drilling machine which comprises a base, a first round wheel is movably installed on the left side of the bottom of the base, two second round wheels are movably installed on the right side of the bottom of the base, and round holes are formed in the outer surfaces of the two second round wheels. The fixing mechanism is arranged on the right side of the top of the base; the fixing mechanism comprises a driving motor, the bottom of the driving motor is fixedly connected with the top of the base, the other end of an output shaft of the driving motor is fixedly connected with a rotating shaft in a sleeving mode, and the bottom of the rotating shaft penetrates through the base, extends to the position below the base and is fixedly connected with a connecting block. The top of the connecting block is movably connected with the bottom of the base, and a connecting rod is hinged to the bottom of the connectin