地处大兴安岭脚下的内蒙古牙克石林业制材厂,是一个年产16万m~3锯材的大型木材加工企业。原木的卸车及供料,锯材的归楞及装车等,主要由四台归装桥来完成。归装桥的小车牵引机构主要由电动机、弹性套柱销联轴器、减速器、钢丝绳卷筒等组成。由于三班作业,设备的检修和保养受到时间限制。有些部位的故障率较 Located at the foot of Daxinganling Yakeshi forestry plant in Inner Mongolia, is an annual output of 160,000 m ~ 3 sawing large timber processing enterprises. Log loading and unloading of timber, lumbering and loading of sawn timber, etc., mainly by the four return bridge to complete. Back to the bridge car traction mechanism mainly by the motor, elastic sleeve pin coupling, reducer, wire rope reel and other components. Due to the three shifts, the time limit is imposed on the overhaul and maintenance of the equipment. Some parts of the failure rate