The utility model relates to a personnel air lock hinge device. The personnel air lock hinge device is characterized in that a sealing door is arranged on a door shaft by a door plate installing mechanism, the door shaft rotates around an upper hinge shaft and a lower hinge shaft, and the upper hinge shaft and the lower hinge shaft are respectively fixed through an upper hinge support and a lower hinge support; one side of the door shaft is provided with a steering gear component, a steering gear chain wheel of the steering gear component is connected with a door shaft chain wheel through a roller chain, the outer side of the roller chain is provided with a tensioning mechanism, the steering gear chain wheel drives the door shaft chain wheel to rotate through the roller chain, the roller chain can be tensioned by the tensioning mechanism, and the rotating of the sealing door can be realized. The personnel air lock hinge device disclosed by the utility model has the advantages that the structure is simple, the operation is reliable, the sealing door is driven to rotate by the door shaft, and the opening and closing operation can be more effective with the arrangement of the tensioning mechanism.