美国E/MJ编辑部于1978年对全球各大型地下矿山作了国际调查,其中对65个矿山的调查表明,80％以上的矿山在采场、出矿点和短途运搬中采用了铲运机和前端式装载机。铲运机总的发展趋向是,机体矮而长,采用中心铰接,液压转向,以适应转弯半径小的要求。具有双向多种运行速度,机动性强,通过变矩器四轮驱动,后桥或前后桥 In 1978, the E / MJ Editorial Department of the United States conducted an international survey of the major underground mines around the world. Among the 65 mines surveyed, more than 80% of the mines use shovels in stopes, mine-out points and short-distance transport Machine and front loader. The general trend of the development of scraper is that the body is short and long, the use of the center hinge, hydraulic steering, in order to meet the requirements of small turning radius. With a variety of two-way speed, mobility, through the torque converter four-wheel drive, rear axle or front and rear axle