Bridge bottom detection equipment

The invention discloses bridge bottom detection equipment. The equipment comprises a bottom frame arranged at the bottom of a bridge, an I-shaped steel rail extending in the length direction of a bridge body and a walking mechanism arranged on the I-shaped steel rail, a control box is arranged below the walking mechanism in a suspended mode, and a detection mechanism is arranged at the bottom of the control box in a suspended mode. The detection mechanism comprises a vertical supporting rod and a mounting frame fixed to the vertical supporting rod, the mounting frame is horizontally arranged and extends out of the bottom of the bridge, a camera used for collecting image information of the bottom of the bridge to conduct visual inspection and an ultrasonic flaw detector are arranged on the mounting frame, and the inclination angle of a working probe of the ultrasonic flaw detector is adjustable; and the control box is configured to control the walking mechanism to walk along the I-shaped steel rail, control th