The standard load of 457 rear axle is 13 tons, and the bearing capacity of 457 bridge is increased. The bearing capacity is the same, and there is no big change. According to the parameters, 153 is Dongfeng 10 ton bridge and 457 is 13 ton bridge. Moreover, the bearing capacity of 457 is stronger than that of 153. The 153 bridge is a ten ton bridge, with eight half shaft screws and six transmission shaft wires; the 457 bridge is a thirteen ton bridge, with ten half shaft screws and eight transmission shaft wires.

153桥，其被动齿轮分度圆直径为435mm，是当初东风引进的日产柴的技术，前桥5T，后桥10T，装在东风当初的153车型上，得名153桥。

The diameter of the dividing circle of the passive gear of the 153 axle is 435mm, which is the Nissan Diesel technology introduced by Dongfeng at the beginning. The front axle 5T and the rear axle 10t were installed on the original 153 model of Dongfeng, so they were named 153 axle.

457桥的457指的是减速器从动齿轮节圆直径为457mm，13吨中后桥。435、460、457、485、300等等这些数字，都代表了该车桥中间被动齿轮。

457 of 457 axle refers to the driven gear pitch circle diameter of 457mm, 13 tons of middle and rear axle. 435, 460, 457, 485, 300 and so on, all represent the middle passive gear of the axle.

1、如果是前桥驱动的车辆，那么后桥就仅仅是随动桥而已，只起到承载的作用。

1. If the vehicle is driven by the front axle, then the rear axle is just a follow-up axle, which only plays the role of bearing.

2、如果前桥不是驱动桥，那么后桥就是驱动桥，这时候除了承载作用外还起到驱动和减速还有差速的作用。

2. If the front axle is not the drive axle, then the rear axle is the drive axle. At this time, in addition to the bearing function, it also plays the role of driving and deceleration, as well as differential speed.

3、如果是四轮驱动的，一般在后桥前面还配有一个分动器，后桥分为整体桥和半桥，整体桥配非独立悬架，如钢板簧悬架，桥配独立悬架，如麦弗逊式悬架。

3. If it is four-wheel drive, generally, there is a transfer case in front of the rear axle. The rear axle is divided into integral axle and half axle. The integral axle is equipped with non independent suspension, such as steel leaf spring suspension, and the axle is equipped with independent suspension, such as McPherson suspension.

江南app平台官网 车后桥技术参数

Technical parameters of rear axle of concrete mixer truck

1.承载级别：是指后桥设计大承载质量，以吨表示如：6吨级，10吨级，11吨级。等级超过13吨级的在国内道路是禁止的。

1. Bearing grade: it refers to the design large bearing mass of rear axle, expressed in tons, such as 6 tons, 10 tons and 11 tons. Roads over 13 tons are prohibited in China.

2.速比：是指用发动机的转速或者电机的转数除以减速机的输出转数，得出的数值就是减速机的速比。在出厂时车辆会注明这个数值，因为日后维修可能需要用到。

2. Speed ratio: the speed ratio of the reducer is obtained by dividing the speed of the engine or the revolution of the motor by the output revolution of the reducer. This value will be indicated when the vehicle leaves the factory because it may be needed for future maintenance.

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