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分析了东风4D型客运机车牵引齿轮箱出现焊缝裂、通气器堵塞等问题的原因 ,针对出现的问题采取了减轻齿轮箱重量、改变通气器的结构等相应的改进措施 ,提高了齿轮箱的可靠性和使用寿命。
The reasons of welding cracks and ventilator blockage in the traction gearbox of Dongfeng 4D passenger locomotive are analyzed. Corresponding improvement measures such as reducing the weight of the gearbox and changing the structure of the ventilator are put forward according to the problems, Reliability and service life.