Door plate linkage structure of industrial lifting door

The utility model discloses a door plate linkage structure of an industrial lifting door, relates to the technical field of door plate linkage structures, and aims to solve the problem that the door plate linkage structure of the industrial lifting door in the prior art is driven by a connecting roller and a connecting rod, and is easy to displace during use, so that the use stability of the door plate linkage structure is influenced. The number of the door plates is five, connecting plates are installed on the end faces of the two sides of the five door plates, and a fixing frame is arranged on one side of each connecting plate; the first rails are arranged above the fixing frame, the number of the first rails is two, a second rail is arranged between the two first rails, and sliding grooves are formed in one side of the upper surface of the fixing frame and the lower surfaces of the first rails and the second rail; the linkage plates are arranged on the two sides of the front end face of the door plate, a p