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车轮是由轮胎总成和轮辋总成组成(图285～286)。它的功用在于支持整车重;传递驱动力矩和制动力矩;确定前进方向以及吸收由于地面的凸凹不平而产生的振动等。第一节轮胎总成轮胎总成包括外胎、内胎和垫带等。外胎一般由胎面、缓冲层、帘布层、胎侧、钢丝圈、胎趾踵组成(图287)。一、轮胎的分类轮胎一般按以下几种方法分类:1.按用途分(一)小客车轮胎(二)载重汽车及公共汽车、无轨电车轮胎;(三)矿山、建筑等车辆用胎;(四)特种车辆用胎。如行驶于无路面或雪地,沙漠等高越野轮胎;
The wheel is made up of the tire assembly and the rim assembly (Figure 285-286). Its function is to support the vehicle weight; transmission of driving torque and braking torque; to determine the direction of advance and absorb due to uneven ground and the resulting vibration. The first tire assembly Tire assembly includes a tire, inner tube and cushion and so on. Tires are generally composed of a tread, cushion, ply, sidewall, traveler, and toe heel (Figure 287). First, the classification of tires Tires are generally classified according to the following methods: 1. According to the use of points (a) passenger car tires (b) trucks and buses, trolley bus tires; (c) mining, construction and other vehicles tires; D) Special vehicle tires. Such as driving in the absence of pavement or snow, desert contour cross-country tires;