Drilling device for road construction

The utility model discloses a drilling device for road construction, which comprises a driving motor and a drill bit, a driving shaft at the lower end of the driving motor is connected with the drillbit, a mounting structure is arranged on the side wall of the driving motor, and a wire protection structure is arranged at the upper end of the mounting structure. The wire protection structure comprises a wire column, a first wire hole, a flexible column and a second wire hole, the first wire hole is formed in one end of the wire column, the flexible column is arranged at the other end of the wire column, and the second wire hole is formed in one end of the flexible column. Installation of installation personnel is facilitated, and the lead protection structure facilitates protection of thelead extending section. 本实用新型公开了道路建设用钻孔装置，包括驱动电机、钻头，所述驱动电机的下端驱动轴连接有钻头，且驱动电机的侧壁设置有安装结构，所述安装结构的上端设置有导线防护结构，且导线防护结构包括导线柱、第一导线孔、柔性柱、第二导线孔，所述导线柱的一端开设有第一导线孔，且导线柱的另一端设置有柔性柱，所述柔性柱的一端开设有第二导线孔。本实用新型方便安装人员安装，导线防护结构方便对导线伸出段保护。