Anti-falling ladder protection operation device and protection operation method for vehicle loading and unloading

The invention belongs to an anti-falling ladder protection operation device for vehicle loading and unloading and a protection operation method. Comprising an anti-falling ladder base, the top of the anti-falling ladder base is provided with a lifting unit used for adjusting the height, the top of the lifting unit is provided with a protection unit, and the outer surface of the lifting unit is provided with a trailer tensioning part connected with a vehicle and a fixed supporting part matched with the trailer tensioning part and used for limiting; the protection unit comprises an L-shaped connecting rod, one end of the L-shaped connecting rod is connected with the top of the lifting unit, and the other end of the L-shaped connecting rod is provided with a hanging ring used for fixedly installing a falling protector or a safety belt. The lifting device has the advantages of being simple in structure, reasonable in design and capable of achieving vertical lifting and tight fixation with vehicles according to di