Hanger articulated bridge inspection vehicle

The invention discloses a hanger articulated bridge inspection vehicle, belonging to bridge maintenance and construction equipment. The hanger articulated bridge inspection vehicle comprises a frame chassis (21), a suspension arm is a C-type hanger (25), the frame chassis (21) is articulated with the lower end of a pillar (23) by a longitudinal axis hinge (22) and a longitudinal axis, the upper end of the pillar (23) is articulated with the protruded end of an upper cross beam of the C-type hanger (25) by a transverse axis hinge (24) and a transverse axis, or the frame chassis (21) is articulated with the protruded end of the upper cross beam of the C-type hanger (25) by the longitudinal axis hinge (22) and the longitudinal axis, and the protruded end of a lower cross beam of the C-type hanger (25) is at least provided with a fixed point of a lifting rope (26) or a lifting rope extending-retracting device. According to the invention, the pulling force of the lifting rope (26) on an inspection platform (5) can be directly transferred to a bridge floor (2), therefore, the vehicle disclosed by the invention is small in overturning moment, light in structure and convenient to assemble and use, and can be erected on sidewalks on both sides of a bridge, so that the vehicle is especially suitable to be applied to the bottom detection and maintenance engineering of heavy traffic bridges.