Walking type bridge health detection device

The invention relates to a walking type bridge health detection device which is characterized in that an upper mounting box is located above a lower mounting box, rectangular holes are formed in the two sides of the upper mounting box, and arc-shaped grooves in the bottom of the upper mounting box and the top of the lower mounting box are used in cooperation with a cable body; the lower mounting box and the upper mounting box are each internally provided with two sets of moving assemblies which are symmetrically arranged and used for moving. The inner walls of the two sides of the upper mounting box and the lower mounting box are slidably connected with the same sliding plate, a detection mechanism is arranged at the bottom of the sliding plate, and the same adjusting assembly used for adjusting the height of the sliding plate is arranged between the two fixing plates on the inner walls of one sides of the lower mounting box and the upper mounting box. A scrubbing assembly used for scrubbing the cable body is