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拖拉机的种类很多,但它们的构造原理基本上都是由发动机、传动装置、行走装置、操纵装置和工作装置五大部分组成,下边只介绍传动装置的润滑。拖拉机传动装置的作用是把柴油机产生的动力传送给行走部分。其结构主要是由离合器、变速箱、中央减速器、差速器等部位组成。这些部位的润滑又分两大类:一类是变速箱、中央传动、最后传动、转向操纵箱的用油,在于齿轮表面的润滑,
There are many types of tractors, but their principle of construction basically consists of the engine, transmission, walking device, operating device and working device composed of five parts, below only describes the transmission lubrication. Tractor drive’s role is to send power generated by the diesel engine to the walking part. Its structure is mainly composed of clutch, transmission, central reducer, differential and other components. The lubrication of these parts is divided into two categories: one is the gearbox, the central drive, the final drive, steering control box of oil, is the gear surface lubrication,