Drilling sampling device for road and bridge detection

The drilling and sampling device comprises a base, a bearing frame and a drill bit, self-locking rollers are arranged on the left side and the right side of the lower end face of the base, a support is fixed to the right end face of a supporting plate, and the bottom of the support is fixed to the base. A hydraulic cylinder and an electric telescopic column are fixed to the left side and the rightside of the lower end face of the sliding block respectively, the lower side of the hydraulic cylinder is connected with a motor box on the left side through a piston rod, the bearing frame is rotationally connected to the bottom of the motor box on the right side, an electronic eye is fixed to the inner side of the bearing frame, and the drill bit is rotationally connected to the bottom of the motor box on the left side. According to the drilling and sampling device for road and bridge detection, after drilling operation is finished, scraps remain on a road and a bridge, the drill bit movesupwards, then the dust col