Outer door hand wheel mechanism of personnel air lock and personnel air lock device for nuclear power station

The invention discloses an outer door hand wheel mechanism of a personnel air lock and a personnel air lock device for a nuclear power plant, the outer door hand wheel mechanism comprises a hand wheel disc, a hand wheel shaft, a box body, a first locking assembly and a second locking assembly, a channel is formed in the box body, a transmission assembly of the personnel air lock is located in the box body, and the tail end of the hand wheel shaft extends into the channel; a meshing component is arranged at the tail end and used for being meshed with a transmission assembly of the personnel air lock, the head end of the hand wheel shaft is installed in a center hole of the hand wheel disc, the first locking assembly is used for locking the hand wheel shaft to prevent the hand wheel shaft from rotating, and the second locking assembly is used for locking the hand wheel shaft at the preset position where the meshing component cannot be meshed with the transmission assembly of the personnel air lock. The first lo