几年来,我厂 HJ30型绞盘机壳体磨损事故发生三起。壳体磨损均发生在联合变速箱输入轴离合器从动体一侧轴承座部位。从壳体磨损情况分析,定齿轮不能轴向定位,是事故发生的重要因素。由于挂档时动齿轮轴向撞击定齿轮,而定齿轮无轴向定位装置,故使定齿轮轴向移位。久而久之,齿轮位移到壳体边,导致齿轮与轴承外圈相摩擦,继而使轴承外圈转动并与壳体相摩擦,造成壳体(轴 Over the past few years, I plant HJ30 capstan machine shell wear accident occurred three. Shell wear occurred in the joint transmission input shaft clutch driven side of the bearing seat. From the case of wear analysis, set the gear can not be located axially, is an important factor in the accident. As the gear shift gear fixed impact axial gear, and the gear without axial positioning device, so the gear shift in the axial direction. Over time, the gear displacement to the shell side, resulting in gear and bearing outer ring friction, and then the bearing outer ring and friction with the shell, causing the shell (shaft