Novel loop lifting wheel assembly structure of high-speed area loop device

The utility model discloses a novel loop lifting wheel assembly structure of a loop device in a high-speed area. Included is a shaft, a rolling wheel is clamped at one end part of the shaft; a bearingsleeve is mounted on the shaft behind the rolling wheel; the rolling wheel and the shaft are clamped and fixed through a circlip for a shaft; an inner ring at one end part of the bearing sleeve and the shaft are rotationally mounted through a single-row cylindrical roller bearing; the outer end faces of the inner ring and the outer ring of the single-row cylindrical roller bearing are pressed andfixed through a fixing sleeve sleeved on the shaft and a gland; an inner ring at the other end of the bearing sleeve and the shaft are rotationally installed through a deep groove ball bearing, the shaft between the deep groove ball bearing and the single-row cylindrical roller bearing is sleeved with a spacer sleeve, and the end faces of the inner ring and the outer ring of the deep groove ballbearing are pressed and fix