Portable industrial control network management capacity expansion structure

The utility model relates to the technical field of industrial control network management, in particular to a portable industrial control network management expansion structure, which comprises a shell, a portable mechanism and a fixing mechanism, the portable mechanism comprises a movable shaft, a roller, a connecting rod, a rotating shaft and a handle, and the movable shaft is arranged at the lower end of the shell. According to the expansion device, the idler wheels are driven by the movable shaft to be connected with the shell, so that when the expansion structure needs to be carried outdoors for use, the expansion device can be stored through the shell, the expansion device is collided and damaged when the expansion device is carried outdoors, the shell can be dragged to walk through the idler wheels and the handle, and the expansion device is convenient to use. The shell is convenient to carry, the effect of saving manpower is achieved, the capacity expansion structure is more time-saving and labor-savi