将万向传动装置（传动轴）传来的发动机动力（转矩）通过主减速器、差速器、半轴等传递到驱动车轮，实现降速、增矩的功用。
The engine power (torque) transmitted from the universal transmission device (transmission shaft) is transmitted to the driving wheels through the main reducer, differential and half shaft to realize the functions of speed reduction and torque increase.
通过主减速器圆锥齿轮副（传动副）改变转矩的传递方向。
The transmission direction of torque is changed by the bevel gear pair (transmission pair) of the main reducer.
通过差速器实现两侧车轮的差速作用，保证内、外侧车轮以不同转速转向。
The differential action of the wheels on both sides is realized through the differential to ensure that the inner and outer wheels turn at different speeds.
桥（桥壳）有一定的承载能力（轴荷）。
The bridge (axle housing) has a certain bearing capacity (axle load).
搅拌车驱动桥的组成及工作原理：
Composition and working principle of mixer drive axle:
驱动桥分为断开式和非断开式两种。中、大型搅拌车一般采用非断开式驱动桥，由主减速器、差速器、半轴和驱动桥壳等部分组成，动力从变速器--传动轴--主减速器----差速器--左、右半轴（外端凸缘盘法兰）--轮毂（轮毂在半轴套管上转动）--轮胎轮辋（钢圈）。驱动桥通过悬架系统与车架相连，由于半轴与桥壳是刚性连成一体的，因此半轴和驱动轮不能在横向平面运动。故称这种驱动桥为非断开式驱动桥，亦称整体式驱动桥。
The drive axle is divided into two types: disconnected and non disconnected. Medium and large-scale mixer trucks generally adopt non disconnected drive axle, which is composed of main reducer, differential, half shaft and drive axle housing. The power is from transmission - transmission shaft - Main Reducer - differential - left and right half shafts (outer flange plate flange) - wheel hub (the wheel hub rotates on the half shaft sleeve) - tire rim (steel ring). The drive axle is connected with the frame through the suspension system. Because the half axle and the axle housing are rigidly connected, the half axle and the drive wheel cannot move in the transverse plane. Therefore, this kind of drive axle is called non disconnected drive axle, also known as integral drive axle.
为了提高搅拌车行驶的平顺性和通过性，有些轿车和越野车全部或部分驱动轮采用独立悬架，即将两侧的驱动轮分别采用弹性悬架与车架相联系，两轮可彼此独立地相对车架上、下跳动。榆次相应主减速器固定在车架上。驱动桥半轴支撑两段并通过铰链连接，这种驱动桥称为断开式驱动桥。
In order to improve the ride comfort and trafficability of mixing vehicles, all or part of the driving wheels of some cars and off-road vehicles adopt independent suspension, that is, the driving wheels on both sides are respectively connected with the frame by elastic suspension, and the two wheels can jump up and down relative to the frame independently. The corresponding main reducer of Yuci is fixed on the frame. The drive axle half shaft supports two sections and is connected by hinges. This kind of drive axle is called disconnected drive axle.
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