Rotating and hoisting device for bridge deck

The invention relates to a rotating and hoisting device for a bridge deck, which comprises a chassis, a rotating mechanism and a hoisting device, wherein the chassis is provided with a walking system; the rotating mechanism is arranged at the upper part of the chassis; the hoisting device is arranged at the upper part of the rotating mechanism; a hydraulic supporting system is arranged on the chassis; when the device is hoisted, the chassis is supported on the bridge deck by the hydraulic supporting system; and after the hoisting is finished by the device, the chassis is conveyed by the walking system. As the whole hoisting device is conveyed and supported through alternative walking and hydraulic supporting, the rotating and hoisting device for the bridge deck, provided by the invention, has the advantages of convenience for hoisting and adjusting position, no need of detachment, transportation and mounting, simple structure, safety in hoisting and so on.