Movable platform conveying frame all-in-one machine

A movable platform conveying frame all-in-one machine relates to a bridge erection device and is good in stability and convenient to use. The movable platform conveying frame all-in-one machine comprises a conveying frame beam machine and a movable platform guide beam machine. The conveying frame beam machine comprises a main beam, a front walking wheel group, a rear walking wheel group and a hoisting mechanism. The movable platform guide beam comprises a guide beam, a folding support leg, a front roller support leg, a middle roller support leg, a rear roller support leg and a movable platform frame beam small cart. The movable platform frame beam small cart on the guide beam is provided with an engine and a pump station, movable platforms are installed on two sides, and the height of the movable platforms can be adjusted by controlling a lifting oil cylinder. During bridge erection, the front walking wheel group of the conveying frame beam machine can move to the movable platforms, the movable platform frame beam small cart can depend on the guide beam to perform vertical and transverse moving and achieve more bridge erection functions, the movable platforms can be folded so as to facilitate self-transferring of devices to a construction site, and the movable platforms are matched with wheels and connected with the frame beam small cart.