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.
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 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. 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. 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. 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.
Technical parameters of rear axle of concrete mixer truck
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. 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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