韶山1型电力机车,多年来曾屡次发生牵引电机轴承发热和烧损事故。事故之初均判为小齿轮松弛之故。日而久之,事故未见消除。 1980年元月,石家庄电力机务段SS1172号机车在北京环行道试车时,发生第一位牵引电动机轴承烧结,轮对无法转动。在随即进行的落轮拆检过程中,未发现小齿轮松弛迹象。1981年7～8月间,SS1010号机车厂修后在 Shaoshan 1-type electric locomotive, over the years has repeatedly occurred traction motor bearing fever and burning accident. At the beginning of the accident were convicted of pinion relaxation. Over time, the accident has not been eliminated. January 1980, Shijiazhuang Electric Locomotive Depot SS1172 locomotive in Beijing when the test road, the first traction motor bearing sintering occurs, the wheel can not be rotated. In the ensuing unberthing inspection process, no signs of pinion relaxation were found. From July to August 1981, SS1010 locomotive factory was repaired