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一、铁路机车用柴油机的特点及其选型原则机车柴油机由于受到机车限界以及运用条件的限制,要求体积小、功率大、重量轻。尤其强调安全可靠,使用寿命长。因此,机车柴油机必须具有以下特点:1.用尽可能少的缸数组成调车、小运转、干线客货运、重型客货运等用途的内燃机车。就我国的情况而论,功率等级范围应在2000～6000马力之间,由不同缸数组成一个“三
First, the characteristics of locomotive diesel engine and its selection principle locomotive diesel engine due to the limitations of the locomotive and the conditions of use, requiring small size, high power, light weight. Particular emphasis on safe, reliable, long service life. Therefore, the locomotive diesel engine must have the following characteristics: 1. With the minimum number of cylinder composed shunting, small running, trunk passenger and freight transport, heavy passenger and freight vehicles and other purposes. In the case of our country, the power level range should be 2000 ~ 6000 horsepower, composed of different cylinder number of a "three