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1问题的提出我公司从2008年4月开始检修SS7C型电力机车以来,多次在机车运行中出现6位或1位非齿端轴箱温升高现象,给铁路安全正点运行带来不良影响。2故障原因分析SS7C型电力机车是3B0式转向架(即两台端转向架和一台中间转向架组成),相对于C0式转向架,3B0式转向架有它的优点,但也有它的特殊性。2.1牵引装置结构特点牵引装置是传递转向架与车体之间的牵引力
1 PROBLEM PROBLEMS Since our company began to overhaul the SS7C electric locomotive in April 2008, the temperature increase of 6 or 1 non-toothed end axle box appeared several times in locomotive operation, which has an adverse effect on the railway safety punctual operation . 2 Failure Analysis SS7C electric locomotive is 3B0 type bogie (ie, two end bogies and an intermediate bogie composition), compared with the C0 bogie, 3B0 bogie has its advantages, but it also has its own particularity . 2.1 traction device structural features Traction device is to transfer the traction between the bogie and the body