Today, let's talk about the working principle of a car drum brake system. There are several types of drum brake systems in terms of structure, such as wheel cylinder open brake, cam open brake, and wedge wheel brake. The wheel cylinder open brake can be divided into leading and trailing shoe brakes,

First of all, from what I know, the domestic heavy-duty trucks with rear double axles (military use is another matter) that can be seen on the street basically default to the rear axle as the main drive. Under normal circumstances, the power of the middle axle is disconnected and does not require la

1. Overview of axle The engine, gearbox and axle are the three core power assemblies of the truck. Among the three, the axle is not as often mentioned as the engine and gearbox, but it plays a linking role in the process of vehicle power transmission. , which plays a decisive role in the driving dyn

The first is power design. Engine power is the product of speed and torque. The truck uses a low-speed, high-torque diesel engine, which improves the towing capacity at the expense of speed (low top speed). Cars are just the opposite. The gasoline engine has high speed and relatively small torque, w

The transaxle is a mechanism located at the end of the drive train that changes the speed and torque from the transmission and transmits them to the drive wheels. ▲The powertrain is installed vertically, and the power output from the transfer case is transmitted to the front drive axle. The drive ax

The load-bearing capacity of a truck mainly depends on the axle, mainly on the load-bearing capacity of the frame and the axle, and it is also related to the tires. Different tires have different load-bearing capacities. If you look at the tires alone, it depends on the tire's load factor. The more

The automobile axle (also known as the axle) is connected to the frame (or load-bearing body) through the suspension, and wheels are installed at both ends. The function of the axle is to bear the load of the car and maintain the normal driving of the car on the road.

The heavy truck axle belongs to the drive axle. The drive axle is composed of main reducer, differential, half shaft, drive axle housing and other parts. Both ends are composed of hub unit, brake hub assembly, brake assembly and other units. The wheel hub unit cooperates with the half-shaft casing t

Author: free heartLink: https://www.zhihu.com/question/606016128/answer/3079533908Source: knowThe copyright belongs to the author. Commercial reproduction please contact the author for authorisation, non-commercial reproduction please specify the source.Braking system can be said to be an important

Author: sungookingLink: https://www.zhihu.com/question/468608940/answer/1970554333Source: knowThe copyright belongs to the author. For commercial reproduction, please contact the author for authorisation, and for non-commercial reproduction, please specify the source.Braking effect: drum ＞disc This