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仔细观察过摩托车的朋友可能会发现这样一个现象:摩托车的转向柱都是向后倾斜一定角度的,和自行车一样,两者都靠两个车轮行驶,其转向系统的基本结构是相同的。为什么摩托车的转向柱需要有这一倾斜角度呢?答案是因为摩托车的操纵性和安定性的需要。下面我们来看一看它是怎样起作用的。如图1所示,在摩托车的纵中心平面内转向柱轴线与铅垂线所成的角α称为主销前倾角。摩托车有了主销前倾角α后,为了使前轮拖后量T控制在适当的数值范围内,通常将与转向柱平行的前减震器向前平移一个距离S,这样前轮、前减
A closer look at motorcycle friends may find such a phenomenon: motorcycle steering column is tilted back a certain angle, and the bike, both by two wheels, the basic structure of the steering system is the same . Why does the steering column of a motorcycle need this tilt angle? The answer is because of the maneuverability and stability of the motorcycle. Let’s take a look at how it works. As shown in FIG. 1, the angle α between the axis of the steering column and the plumb line in the vertical center plane of the motorcycle is referred to as the kingpin forward inclination. After the motorcycle has the kingpin anteversion angle α, the front shock absorber parallel to the steering column is usually translated forward by a distance S so that the front wheel trailer T is controlled within a suitable range so that the front wheel, front Less