我矿采用6米卷扬机、双箕斗斜坡运输系统(图1),共使用胶托辊84个(外径400毫米,长度200和400毫米的两种)。处在上部地段的胶托辊磨损十分严重,平均每天损坏3～5组,计胶圈40～60个(每个重约2.5公斤,价32元),有时因更换胶圈不及时还造成辊体磨坏。这种磨损是由于钢丝绳不正常运行时的谐振所造成的。经测定,天轮绳槽中心平面误差 I mine using 6-meter winch, double-skip slope transport system (Figure 1), a total of 84 plastic roller (OD 400 mm, length 200 and 400 mm two). In the upper section of the plastic roller wear is very serious, the average daily damage to 3 to 5 groups, counting 40 to 60 apron (each weighing about 2.5 kg, price 32), sometimes due to replacement of rubber ring is not timely also caused the roller Body worn. This wear is caused by the resonance of the rope when it is not functioning properly. After determination, the center of the day rope rope slot error