When it comes to special vehicles, we have to think of its own special equipment. It is precisely because of this that special vehicles have become the indispensable equipment for transportation and special operations in the national economy. The chassis is the basic part of the special-purpose vehicle, and it is also the relative core part. It plays a crucial role in the special performance and role of the special-purpose vehicle.

The composition of the chassis

The basic composition of the chassis is relatively simple, generally including the drive train, driving train, steering train and brake train. However, the functions and mutual cooperation of each part are more complicated, and the follow-up will gradually be opened for everyone.

Chassis classification

The classification of the chassis is mainly based on the classification of special-purpose vehicles. According to the provisions in GB/T17350-2009, the classification of special-purpose vehicles can be divided into the following categories:

Conventional vans, tank trucks, and special dump trucks are usually designed to use the chassis of the second class vehicle; passenger cars, passenger cars, vans, and vans usually use three types of chassis modifications.

The specific classification of the chassis is as follows: Class 1, Class 2, Class 3 and Class 4 chassis.

One type of chassis is the vehicle in the usual sense, including the entire system of the car.

The second type of chassis lacks a car system assembly, but it has a driving area, a front instrument, an operating system, etc., and can normally travel. Most special vehicles require the installation of special tools. Therefore, the second type of chassis provides a natural basis for special vehicles and becomes the most used type of chassis for special vehicles.

The three types of chassis have no body, but they have an engine, a transmission, a front and rear axle, a steering gear, a suspension device, a wheel, a brake system, etc., and cannot be used.

There are no forming parts in the four types of chassis, which are basically parts of the entire chassis system of the car.

In fact, one to four types of chassis can also be referred to as one type of automobile, two types of automobiles, three types of automobiles, and four types of automobiles. In the field of special vehicles, the concept of chassis is used more often.

The name of the chassis

The naming rules of the chassis are similar to those of the domestic automobile model, and are divided into the head section, the middle section and the tail section, and the rules of each section are basically the same. Take the "Chusheng Brand CSC5256GJBS Concrete Mixer" as an example, the chassis model of "Shaanxi SX5256GJBDR404" is used. It can be seen from the comparison that apart from the company name code of the first company and the company's self-definition code at the tail, "5256GJB "This part of the special car information has the same code. If necessary, please refer to http://news.chinacar.com.cn/newsview113644.html .

Chassis related company code as shown:

Chassis drive form

The driving mode of the chassis largely determines the passing capacity of the vehicle. The more drives, the stronger the passing capacity of the vehicle, but the more complex the structure, the higher the quality of the trimming and the corresponding increase in the manufacturing cost.

At present, there are 4*2, 4*4, 6*2, 6*4, 6*6, 8*4, 8*8, 10*4 and so on. The previous figure represents the total number of car wheels. A single digit indicates the number of drive wheels. According to the requirements of special purpose vehicles, quality, etc., we can choose the appropriate drive form, generally 4*2 drive form, simple structure, low manufacturing cost, and wider application.

As a basic component of a car, the structure of the chassis is relatively complex, and the knowledge principles used are numerous and inconvenient. This time we have a basic understanding of the classification, naming and driving forms of the chassis. I believe that with the continuous deepening of understanding We will all have a new understanding of the chassis.

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