Frame of bridge main tower inspection vehicle

The utility model belongs to a bridge inspection vehicle, and particularly relates to a bridge main tower inspection vehicle frame. Comprising a walking mechanism arranged on a bridge main tower or a bridge body and a manned platform capable of moving in the arrangement direction of the bridge main tower under driving of the walking mechanism. The walking mechanism comprises walking wheels which are hoisted on the two sides of the guide rail and are in rolling fit along the guide of the guide rail, the walking wheels are arranged on the upper portion of a wheel frame, a braking device is arranged on the adjacent face of the middle of the wheel frame and the guide rail, and a chain is fixed to the lower surface of the guide rail in the axial direction and forms a transmission pair with a chain wheel arranged on the lower portion of the wheel frame. The guide rail is fixed on the surface along the bridge main tower direction; the manned platform comprises a main truss connected with the wheel carrier and telesc