四川煤炭产业集团达竹公司铁山南煤矿运输队包机组通过一项小技改,成功破解了几年来一直困扰该矿的运输难题。该矿东翼-100水平翻笼推车机时常卡轮、断链,车轮更换频繁,故障率高。经过实地观察,试验、认证、最终决定把推车机的推头走轮由滑动轴套改为滚动轴承,车轮轴的轴颈直径由55mm改为40mm, Sichuan Coal Industry Group Tatsu Company Tieshan South coal transport team chartered unit through a small technical transformation, successfully cracked the past few years has been troubling the transport problems of the mine. The mine east wing level -100 level cage machine often card round, broken chain, frequent wheel changes, high failure rate. After field observation, testing, certification, the final decision to push the push wheel to push the wheel from the sliding sleeve to the rolling bearing, axle shaft journal diameter from 55mm to 40mm,