80年代以来,美国有五家公司先后推出了五种型号的218t级露天矿用汽车,其中四种为电力传动。一种为机械传动。统计至1992年初,世界上各大露天矿共使用有249台218t级汽车。作者通过218t级汽车同154级汽车的对比。从汽车载重量、外形尺寸、转弯半径、运输效率、装载设备效率、道路设计以及汽车维修等方面分析了选用218t级汽车替换154t级汽车时所应考虑的若干问题。分析结果表明:在正常运行条件下,按平均运距计算,改用218t级汽车后。运输效率可提高20％～30％,但是,由于各种因素的影响,运输费用一般降低不多。 Since the 1980s, five U.S. companies have successively launched five types of 218t open cast mining vehicles, of which four are electric drives. One is mechanical transmission. Statistics to the beginning of 1992, the world’s major opencast mine used a total of 249 218t class cars. Authors Passing a Level 218t Class to a Level 154 Car Some problems that should be considered in replacing 154t class vehicles with 218t class cars are analyzed from the aspects of vehicle load, dimensions, turning radius, transportation efficiency, loading equipment efficiency, road design and vehicle maintenance. Analysis results show that: under normal operating conditions, according to the average distance calculation, switch to 218t class car. Transport efficiency can be increased by 20% to 30%, however, due to various factors, transport costs are generally not much reduced.