Method for controlling folding and unfolding of floor turnover type multifunctional propaganda display vehicle

The invention discloses a method for controlling folding and unfolding of floor turnover type multifunctional propaganda display vehicle, an intelligent capacity expansion process and an intelligent folding process are realized through PLC control, and the intelligent capacity expansion process comprises the steps of expansion mechanism unfolding, floor device descending, intelligent horizontal adjustment, display screen lifting, display platform overturning, plate overturning device overturning and the like; the intelligent folding process comprises the steps of plate turnover device recovery, exhibition stand recovery, display screen descending, landing device recovery, expansion mechanism folding and the like. Specifically, the components corresponding to the actions are provided with sensors, all the components are sequentially driven to operate through combined control of the multiple sensors, intelligent capacity expansion of the floor overturning type multifunctional propaganda display vehicle and inte