Double-power guide travelling device and roadrailer

The invention provides a double-power guide travelling device and a roadrailer. The double-power guide travelling device comprises an installation base, lifting oil cylinders, connecting rods and guide wheels. The connecting rods are hinged to the installation base; the lifting oil cylinders are hinged to the middles of the connecting rods; the installation base is provided with two power shafts; the two ends of each power shaft are provided with the guide wheels; the power shafts are provided with a double-power driving unit which comprises a first hydraulic motor and a second hydraulic motor; the first hydraulic motor and the second hydraulic motor are separately in transmission connection with the power shafts through a clutch unit. The curve passage capacity and the universality of the double-power guide travelling device and the roadrailer are improved.