Riding wheel main shaft for preventing high-load riding wheel from sliding

The utility model provides a riding wheel main shaft for preventing a high-load riding wheel from sliding. The lower part of a polymerization furnace is connected with the riding wheel; a riding wheel shaft is arranged at the circle center of the riding wheel. Anti-skid steps are arranged on the left side of the riding wheel shaft. The right side of the riding wheel shaft is connected with a locking nut through threads. And bearing positions are arranged on the left side and the right side of the riding wheel shaft. The diameter phi of the riding wheel shaft is 85-95, and the diameter phi of the bearing position is 100-110. Anti-skid devices are machined at the two ends of the riding wheel shaft, it is guaranteed that the main shaft and the riding wheel do not axially slide in the operation process, and it is guaranteed that a high-load polymerization furnace, a cooling roller, a drying roller and the like stably operate. 本实用新型提供了一种防高负荷托轮滑动的托轮主轴，聚合炉下方与托轮相连；托轮圆心处设置有托轮轴。所述的托轮轴左侧设置防滑台阶。所述的托轮轴右侧通过螺纹与锁紧螺母相连。所述的托轮轴