Bridge inspection vehicle with rotatable inflecting working platform

The utility model provides a bridge inspection vehicle with a rotatable inflecting working platform, belonging to the field of bridge maintenance facilities. The vehicle is characterized in that a joint lug plate is installed at the tail ends of upper and lower main chords of a main truss respectively; an axle sleeve is installed at the tail ends of upper and lower main chords of the rotatable inflecting working platform respectively; the axle sleeves and the joint lug plates are correspondingly jointed by hinge pins; when the rotatable inflecting working platform and the main truss are correspondingly jointed and fastened by the hinge pins at the tail ends of the upper and lower main chords, the rotatable inflecting working platform can spread outside the steel bridge cable to implement operation; and when the rotatable inflecting working platform and the main truss are only correspondingly jointed by the hinge pins at the tail ends of the upper main chords, the rotatable inflecting working platform can turn