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一般认为引起皮带运 输机皮带跑偏的原因有： （１）皮带的头尾轮中心线 不平行；（２）皮带支撑 架变形；（３）托辊中心 线与头尾轮中心线不平 行；（４）调心托辊未调 整好。总体上说，皮带跑 偏都是皮带运输机自身的 原因引起的，与外部因素 没有太大关系。但笔者在 长期观
Belt conveyor belt is generally believed that the reasons for the deviation of the belt are: (1) the belt head and tail wheel centerline is not parallel; (2) the belt support frame deformation; (3) roller centerline and the head-end wheel centerline is not parallel; 4) Self-aligning roller is not adjusted well. In general, the belt deviation is caused by the belt conveyor itself, not with the external factors. But the author in the long term view