一、前言南芬露天铁矿自1975年从美国引进矿用电动轮汽车以来,由于车辆单轮驱动没有被及时发现而多次引起损坏电动轮总成的事故。近年来该矿购进一批矿用电动轮汽车二手设备,投产一年多来,因车辆单轮驱动而损坏电动轮的事故也发生数起,每次事故均使国家造成经济损失。为了避免该类事故的再发生,做到及时检测发现问题,并及时得以处理和解决,我们研 I. Introduction Nanfen open-pit iron mine imported from the United States in 1975 since the introduction of electric wheel motor vehicles, because the vehicle single-wheel drive has not been promptly discovered several times and cause damage to the electric wheel assembly accident. In recent years, the mine purchased a number of mining electric wheel used car equipment, put into operation more than a year, due to single-wheel drive damage to the electric wheel of the accident also occurred several times, each accident caused the country to cause economic losses. In order to avoid the recurrence of such incidents, so as to promptly detect and detect the problems and promptly handle and solve them, we study