4米~3电铲履带托轮轴的结构见附图。原设计托轮和托轮轴之间有一个铜套,根据托轮轴受力的特点,轴的磨损总是在下端,以往年修或大修时,发现托轮轴磨损后,就要换轴,换轴时由于没有大的压力机,只好用吊车吊起几吨重的电铲方轴,由6～10人顺P的方向撞击轴 4 m ~ 3 electric shovel shovel wheel axle structure shown in the drawings. There is a copper sleeve between the original design support roller and the support roller shaft. According to the characteristics of bearing roller shaft force, the wear of the shaft is always at the lower end. When repairing or overhauling in the past, it is found that when the support roller shaft is worn, When there is no big press, had hoisted a few tons of cable hoist with a square shaft, by 6 to 10 people along the direction of P impact axis