Self-propelled bridge drainage pipe mounting and drilling device

The utility model discloses a self-propelled bridge drain pipe installation drilling device which comprises a rack, a driving mechanism, positioning mechanisms and a drilling mechanism, the driving mechanism is arranged at the top of the rack and used for driving the rack to walk along a concrete guardrail of a bridge, the positioning mechanisms are arranged on the two sides of the upper portion of the rack and clamped on the two sides of the positioning mechanisms, and the drilling mechanism is arranged on the rack. And the drilling mechanism is arranged at the bottom of the rack, faces the bottom of the bridge and is used for drilling a mounting hole of a drainage pipe in the bottom of the bridge. The drilling machine is reasonable in design structure, stable in movement, accurate in positioning and high in safety performance, constructors do not need to push and pull the support manually, only one person is needed to move the support and drill holes, and automatic pushing is adopted during drilling; accord