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对东风8B型机车前变速箱存在的噪音、异音、发热和机油泄漏等问题 ,进行了详尽的分析。指出解决东风8B型机车前变速箱问题的根本出路就是重新设计前变速箱。将直齿轮传动改为斜齿轮传动 ;增加齿轮油泵 ,加强润滑 ;降低油位 ,避免齿轮搅油 ;改变油封结构 ,增强密封性能。
Dongfeng 8B locomotive front gearbox existence of noise, abnormal noise, heat and oil leaks and other issues, conducted a detailed analysis. It is pointed out that the fundamental way to solve the problem of front gearbox of Dongfeng 8B locomotive is to redesign the front gearbox. Change the spur gear transmission to helical gear transmission; Increase the gear oil pump, strengthen the lubrication; Reduce the oil level, avoid gear mixing; Change the oil seal structure, enhance the sealing performance.