What are the different types of car chassis? How many classifications are there for car chassis?

The automobile chassis is a system, not just a certain component, it is composed of four parts: transmission system, driving system, steering system and brake system. The role of the chassis is to support and install the assembly of the automobile engine and its various components. And accept the power of the engine, so that the car produces movement, to ensure normal driving.

1. Transmission system.

The transmission system structure of the automobile is very complex, it mainly refers to the power transmission device between the engine and the driving wheels, which is composed of clutch, universal rotation device, drive axle and other components. The main function of the transmission system is to ensure the necessary traction, vehicle speed, and coordinated changes between vehicle speeds under various conditions of vehicle driving. That is to say, it can ensure that the car can reverse, and the left and right drive wheels can adapt to the differential requirements.

Second, the driving system.

The driving system of a car is easier to understand, it is composed of the frame, wheels, and suspension and other components. Generally speaking, the handling of the vehicle is determined by the driving system of the car. The main function is to make the torque from the drive train become the driving torque of the car through the adhesion between the wheel and the road surface.

And it supports the total mass of the car, which can moderate the impact, reduce the vibration, and ensure the driving stability of the car.

3. Steering system.

When we think of the steering of a car, we think of the steering wheel. In fact, the steering system of a car mainly refers to a series of devices used to change or maintain the direction of the car moving or reversing. For example, the steering control mechanism, steering gear, steering transmission mechanism, etc., are all part of the steering system.

Its main function is to control the direction of the vehicle according to the driver's wishes, which is very important for the driving safety of the vehicle.

Fourth, the braking system.

In order to ensure the safe driving of automobiles, increase the average driving speed of automobiles, and improve transportation productivity, special braking mechanisms are provided on various automobiles. Such a series of specialized devices is called a braking system. It refers to a series of specialized devices on a car that generate braking power.

For example, brake pads, brake pedals, etc. The main function is to enable the moving car to slow down, stop, and maintain a steady speed when going downhill.

Automobile chassis - drive train.

The drive train is generally composed of a clutch, a transmission, a universal transmission, a final reducer, a differential and a half shaft.

One. The function of the drive train.

The power emitted by a car's engine is transmitted to the driving wheels by the drive train. The drive train has the functions of deceleration, speed change, reversing, interrupting power, inter-wheel differential and inter-axle differential, etc., and works with the engine to ensure the normal driving of the car under various working conditions, and has good power and economy.

Two. Types and configurations of the drive train.

The drive train can be divided into mechanical transmission, hydraulic transmission, hydraulic transmission, electric transmission, etc. according to the different energy transmission methods.

Automobile chassis - travel system.

The driving system consists of the frame, axles, wheels (note), and suspension of the car.

The frame, axle, wheels and suspension of the car form the driving system, and the functions of the driving system are:

1.Accept the power of the drive train, and generate traction through the action of the driving wheel and the road surface, so that the car can drive normally;

2.Withstand the total weight of the car and the reaction force of the ground;

3.Alleviate the impact of uneven road surface on the body, attenuate the vibration of the car while driving, and maintain the smoothness of driving;

4.Cooperate with the steering system to ensure the stability of car handling.

Automobile chassis - steering system.

The special mechanism on the car that is used to change or restore its direction of travel is called the car steering system.

The basic components of the steering system.

1) The steering control mechanism is mainly composed of a steering wheel, a steering shaft, a steering column, etc.

2) The steering gear is a mechanism that changes the rotation of the steering wheel into the swing of the steering rocker arm or the linear reciprocating motion of the rack shaft, and amplifies the steering control force. The steering gear is generally fixed on the frame or body of the car, and the steering control force will generally change the direction of transmission after passing through the steering gear.

3) The steering transmission mechanism transmits the force and motion output by the steering gear to the wheel (steering knuckle), and makes the left and right wheels deflect according to a certain relationship.

The type of steering system.

According to the different steering energy, the steering system can be divided into two categories: mechanical steering system and power steering system.

Automobile chassis - brake system.

A series of specialized devices used in automobiles to make the outside world (mainly the road surface) exert a certain force on some parts of the car (mainly the wheels), so as to force braking to a certain extent, collectively referred to as braking systems. Its function is: to make the moving car to force deceleration or even stop according to the driver's requirements; Stable parking of stopped cars in various road conditions, including on ramps; Keep the speed of the car going downhill steady.

The braking effect on the car can only be the external force acting on the car and the direction is opposite to the direction of the car, and the magnitude of these external forces is random and uncontrollable. device to achieve the above functions.

Suspensions have independent suspension and non-independent suspension, and non-independent suspension has torsion beam suspension, integral bridge suspension, leaf spring suspension, etc. Independent suspensions include MacPherson suspension, double wishbone suspension, multi-link suspension, double wishbone suspension, etc.

Most family cars or SUVs have a MacPherson independent suspension in the front, which is less expensive and not necessarily comfortable.

Most family cars have a lot of rear suspension, some cars will use double wishbone suspension, and some cars will use multi-link suspension.

Some fairly inexpensive compact family cars or compact SUVs use torsion beam suspension for their rear suspension, as this suspension costs less and takes up less space.

On some sports cars or sports cars, most of the front suspension will use double wishbone independent suspension, and most of the rear suspension will use multi-link independent suspension or double wishbone independent suspension.

The structure, materials, and tuning of the suspension determine the handling and sportiness of the car.

If a car only has good suspension structure and materials, but no good tuning, the handling is also very poor.

The front suspension of the famous Porsche 911 sports car uses MacPherson independent suspension, which can also be used in sports cars after being tuned by Porsche engineers.

Of course, when buying a car, you must not only look at the suspension structure and materials, but also need to take a test drive to feel it for yourself, so that you can feel the quality of the car's handling.

The automobile chassis can be divided into two types according to the structure, namely the load-bearing body and the non-load-bearing body.

The non-load-bearing body chassis is characterized by longitudinal beams connected to the front and rear, and the whole chassis has high strength and large load-bearing, but the comfort is poor. It is generally used for large vehicles with high requirements for carrying capacity, such as buses, large buses, trucks, etc. There are also a small number of hardcore off-road that emphasize off-road performance will also use non-load-bearing bodies to strengthen chassis rigidity, such as the Jeep Wrangler.

The load-bearing body is mostly a cage body, and the design has been strengthened in key parts, such as the front of the car, parking spaces, and the side of the car. It is easy to assemble, safe and stable. However, the manufacturing process is complex and costly. At present, the vast majority of cars use load-bearing bodies.

In terms of small cars alone, there are load-bearing bodies and non-load-bearing bodies.

The general off-road vehicle is a non-load-bearing body, and the chassis has girders, and the body is more stable and solid. Ordinary cars are load-bearing bodies, with more space in the car and higher space utilization.

Commonly used automobile special vehicle chassis is divided into two and three categories, as follows:

The second type of chassis refers to the chassis with a cab, which has been tested by the manufacturer, debugged and qualified, issued with a chassis certificate and a product announced by the state.

The second type of chassis is mainly used in automobile modification plants, special vehicles or special vehicles, etc. (it is widely used in tank trucks, sprinkler trucks, fecal suction trucks, sewage suction trucks, OEM liquid transport vehicles, stake trucks, trucks, dump trucks, truck-mounted cranes, powder material transport vehicles, bulk cement trucks, aerial work vehicles, wreckers, tractors, etc.).

Three types of chassis refers to the chassis without a cab, tested by the manufacturer, debugged and qualified to issue a chassis certificate and have a national announcement of the product, three types of chassis are mainly used in bus factories or manufacturers of buses.

The second type of chassis is the chassis that has a cab, no cargo compartment, etc., and is generally used at the beginning of the vehicle.

The third category is the chassis without a cab, without a body (cargo compartment), etc., and is generally the chassis used by vehicles (buses) at the beginning of 6.

1.Chassis anti-corrosion: The rust of the car starts from the bottom plate, you don't see, and the side beams of the car that have only been running for two or three years have begun to appear rusty.

Every time the car wash sewage will remain at the bottom, for a long time will form a potential corrosion factor, causing damage to the car, if the bottom of your car is sealed, then, even acid rain, snow dissolving, car wash alkaline water can not erode through this protective film.

2.Anti-stone shock: In the process of driving, the vehicle will splash small stones, the force of the stones hitting the bottom plate is proportional to the speed of your car, generally 10 grams of small stones at a speed of 80 kilometers per hour when the impact force will reach 100 times its own weight.

Enough to break through the paint film below 30 microns, once the paint film is broken, the rust starts from the defect and slowly expands from the inside of the iron plate, if your car is undersealed, even the gravel will not be able to break it with a force of 5 kilograms.

3.Shockproof: The engine and wheels are fixed on the chassis of the car, and their vibration will resonate with the bottom plate at a certain frequency, making people feel very uncomfortable with mold penetration, and the bottom protection will eliminate a certain resonance.

4.Thermal insulation: in winter, the car turns on the air conditioning in the car, the hot air often sinks, and the ground cold outside the car rises, the hot and cold air is mostly concentrated on the floor of the vehicle for exchange, how the bottom of the vehicle protection effect, the slow and slippery directly determines the effect of the vehicle's energy utilization, if your car bottom sealing, then, the quartz sand in the film will be completely isolated from the hot and cold.

5.Sound insulation and noise reduction: When the vehicle is driving on the fast road, the friction sound between the wheels and the road surface is proportional to the speed, and the vehicle has good bottom protection, which can greatly reduce the noise in the car.

6.Anti-bottom support: the thickness of the bottom sealing material can reach millimeters, when the bottom is scratched by the road protrusion, the chassis sealing can reduce the damage of the protrusion to the chassis.

The chassis of the automobile is composed of four major systems: transmission system, driving system, steering system and braking system. 1.Introduction to the composition of the transmission systemThe transmission system consists of a clutch, a transmission, a universal joint, a transmission shaft and a drive axle.

2.Introduction to the composition of the driving systemThe driving system consists of a frame, front axle and wheels, rear axle and wheels, front suspension, rear suspension, etc. The driving system is to connect the various assemblies and components of the car into a whole to support the load of the whole vehicle; It relieves the impact and vibration of the ground to the vehicle, ensures the smooth driving of the car, and works in coordination with the steering system to ensure the stability of the car's handling.

3.Introduction to the composition of the steering systemThe steering system consists of a steering gear, a steering arm, a straight tie rod, a cross tie rod and a steering knuckle. The steering system is to ensure that the car can drive in the direction that the driver needs, and there are mechanical steering, power steering and electronically controlled power steering.

4.Introduction to the composition of the braking systemThe braking system has pneumatic type, hydraulic type, and gas-liquid integrated type. The pneumatic type is composed of an air compressor, an air reservoir, an air pressure regulator, a brake control valve, a brake pipeline, a brake chamber, a wheel brake, etc.; The hydraulic type is composed of a brake master cylinder (brake master cylinder), a brake wheel cylinder (brake cylinder), a vacuum booster, a brake line, and a wheel brake (hub type, disc type).

The automobile chassis is composed of four systems: transmission system, driving system, braking system and steering system.

1.Transmission system.

The transmission system is generally composed of a clutch, a transmission, a universal transmission, a final reducer, a differential source speeder and a half shaft. Its basic function is to transmit the power emitted by the engine to the driving wheels of the car, and generate driving force, so that the steam source can drive at a certain speed.

2.Travel system.

The automobile chassis driving system is composed of the frame, axle, wheels and suspension of the car. The functions of the automobile chassis driving system are: to accept the power of the drive train, and generate traction through the action of the driving wheel and the road travel surface, so that the car can run normally; Withstand the total weight of the car and the reaction force of the ground; Alleviate the impact of uneven hail grinding on the road surface to the body, attenuate the vibration of the car in driving, and maintain the smoothness of driving; Cooperate with the steering system to ensure the stability of car handling.

3.Braking system.

A series of specialized devices that make it possible to force a decrease in the speed of a car. The hail mill detection system is mainly composed of four parts: energy supply device, control device, transmission device and brake. The main function of the braking system is to slow down or even stop the moving car, stabilize the speed of the car driving downhill, and keep the stopped car still.

4.Steering system.

A series of devices used to change or maintain the direction in which a car is moving or reversing is called a steering system. The function of the steering system is to control the direction of the car according to the driver's wishes. The automobile steering system is very important to the driving safety of the car, so the parts of the automobile steering system are called security parts.

The steering system and the braking system are two systems that must be paid attention to in automobile safety.

The chassis refers to the combination of four parts of the transmission system, the driving system, the steering system and the brake system on the car, which supports and installs the automobile engine and its various components and assemblies to form the overall shape of the car, bear the engine power, and ensure normal driving.

Function. The function of the chassis is to support and install the automobile engine and its various parts and assemblies, form the overall ambush shape of the car, and accept the power of the engine, so that the car can move and ensure normal driving. At the same time, a good chassis can ensure the safety of the driver's life.

Hope mine, helped.