论文部分内容阅读
1 问题的提出 东风4Ｄ型机车电气部分与东风4Ｂ型机车比较 ,电气方面的故障率明显下降 ,机车的牵引性能也有了大大的提高。然而 ,随着机车运行速度的不断提高 ,机车震动的加剧对于预防、根治机车电线路“松、虚、短、破”的现象也提出了新的要求。到目前为止 ,我段配属东风
1 The issue of propulsion Dongfeng 4D locomotive electrical part compared with the Dongfeng 4B locomotive, the electrical failure rate dropped significantly, locomotive traction performance has also been greatly improved. However, as locomotive running speed continues to increase, locomotive vibration increases for the prevention and cure of locomotive electric line “loose, empty, short, broken” phenomenon also put forward new requirements. So far, I paragraph is assigned Dongfeng