External large-capacity data storage device for aerial photogrammetry

The utility model discloses an external large-capacity data storage device for aerial photogrammetry. The external large-capacity data storage device comprises a shell and a protective shell, the middle of the left side of the shell is of an open structure, a limiting ring is arranged in the middle of the left side of the shell, a sealing plate is clamped in the limiting ring, a connecting rope is arranged in the middle of the left side face of the sealing plate, and the end of the connecting rope is fixedly connected with the middle of the left side of the upper surface of the shell. Limiting plates of L-shaped structures are installed at the four corners of the inner side edge of the shell correspondingly, a storage device body is clamped between the limiting plates, the upper side face and the lower side face of the storage device body make contact with the surfaces of the corresponding base plates correspondingly, a bushing ring is installed in the middle of the left side face of the storage device body,