Vehicle-mounted square cabin body mechanism

The utility model belongs to the technical field of vehicle-mounted square cabins, and discloses a cabin body mechanism of a vehicle-mounted square cabin, which can effectively protect equipment carried in the cabin from being damaged by external rain, snow, sand and dust and other environmental conditions in the transportation process of a wheeled vehicle and when the wheeled vehicle is parked in a position. Comprising a shelter body, a left wall box, a right wall box, a left access door, a right access door, a left electric shutter door, a right electric shutter door, a tail door, a platform hand-cranking interface, a sliding cover hand-cranking interface, an upper partition plate, a lower partition plate, a cabinet support, a platform support and a fastening device. The whole square cabin body and the chassis are connected and fixed through U-shaped bolts. According to the utility model, high-value equipment in the wheeled vehicle can be protected in the driving and position transfer processes, equipment i