Novel armoring device for feeding pipe of plate-and-frame filter press

The utility model discloses a novel armoring device for a feeding pipe of a plate-and-frame filter press, which comprises two support plates and a plurality of limiting rods, and the two support plates are connected through the limiting rods; the device further comprises a sleeve and a rotating bearing, the sleeve is arranged on the limiting rod between the two supporting plates in a sleeving mode, the inner side of the sleeve is fixedly connected with the outer ring of the rotating bearing, and the inner ring of the rotating bearing is fixedly connected with the limiting rod. A polyurethane lining is fixedly arranged on the outer side of the sleeve in a sleeving mode. The limiting rod is arranged between the two supporting plates, the limiting rod is of a hollow structure with holes formed in the two ends, internal threads are formed in the limiting rod, through holes are formed in the supporting plates, and the connecting bolts are in threaded connection with the limiting rod after penetrating through the t