J—50集材拖拉机在我区的使用中,形成“爬窝”现象较常见的原因是由于飞轮壳产生裂纹.据了解,在天山西部林业局及天山中东部林区有70%—80%的J—50拖拉机是由于上述原因而爬了窝.从集材拖拉机的构造可知,J—50飞轮壳用11个M12的螺栓和变速箱连接.该变速箱与一般汽车及拖拉机的结构不同之处在于,为了满足集材作业的需要,专门设计了一个集材绞盘机输出轴,由链轮通过套筒滚 J-50 skid tractor in the use of our region, the formation of “climbing nest” phenomenon is more common because of flywheel shell cracks.It is understood that in the western Tianshan Forestry Bureau and Tianshan Mountains in the eastern 70% -80% J-50 tractor climbed into the nest for the above reasons.From the construction of the tractor tractor, J-50 flywheel housing is connected with 11 M12 bolts and gearbox, which is different from the structure of general automobile and tractor In that, in order to meet the needs of skidding operations, specifically designed a capstan output shaft, sprocket roll through the sleeve