Road drilling sampling device

The utility model relates to the technical field of highway drilling and sampling equipment, in particular to a highway drilling and sampling device which comprises a vertical welding support and further comprises a moving mechanism, a sampling mechanism and a sampling mechanism, and the moving mechanism is arranged at the bottom of the vertical welding support; the lifting assembly is arranged on the vertical welding support; and the core drilling mechanism comprises a reference block, a double-threaded rod, a first semi-cylindrical barrel, a second semi-cylindrical barrel and two fixing plates, rectangular groove holes are formed in the two ends of the top of the reference block, a first through hole penetrating through the two rectangular groove holes is formed in the outer wall of the reference block, and the double-threaded rod is rotationally installed in the first through hole. The core drilling mechanism disclosed by the utility model adopts a combined design, that is, after drilling is completed, the