What is the difference between a load bearing body and a non load bearing body

What is the difference between a load-bearing body and a non-load-bearing body?

One is the body and girder are integrated, and the other is the body and girder are independent.

Advantages and disadvantages of non-load-bearing body:

1. Advantages of non-load-bearing body.

1) The body strength is high, and the steel frame can provide strong body rigidity. This is very important for trucks and off-road vehicles. The feedback of the suspension to bumps in the road is much less subtle in the car, because some cars have a vibration-reducing connection between the body and chassis, so it is more stable and comfortable when walking on bumpy roads.

3) No matter how uneven the force on the four wheels is, it is also borne by the frame and will not be transmitted to the body. Therefore, SUVs and off-road vehicles are used more. Non-fully load-bearing body is widely used in China's bus enterprises.

4) The body and frame are connected by elastic elements, which has a certain cushioning and shock absorption effect. When driving on the road, it will feel relatively smooth.

2. Disadvantages of non-load-bearing body.

1) When encountering danger (such as overturning), the heavy chassis will also pose a fatal threat to the relatively weak body.

2) The weight is large, the frame itself is very heavy, and the body and frame are two independent parts, so the overall weight is greater, more steel is used, and the cost is relatively high.

3) The car has a high center of mass. The center of gravity of the vehicle is higher than that of the load-bearing type. The frame is at the bottom, and the body is mounted on the frame, so the floor of the body should be above the frame anyway.

Advantages and disadvantages of load-bearing body:

1. Advantages of load-bearing body.

1) No frame, reduce the weight of the whole vehicle; The structure does not affect the interior space of the carriage, and the floor height is reduced, making it easy to get on and off the train.

2) It is suitable for cars, cars, and urban SUVs, which are relatively light and fuel-efficient.

3) The center of gravity is low, the road is stable, and the integral body is relatively safe.

2. Disadvantages of load-bearing body.

1) Vibration and noise from the drivetrain and suspension are transmitted directly into the vehicle, so anti-vibration and sound-insulating measures are required.

2) The strength of the chassis is much inferior to the body of the girder structure, and when the four wheels are stressed unevenly, the body will be deformed.

3) The manufacturing cost is on the high side.

The difference between the load-bearing and non-load-bearing bodies is that the structure is different, the load-bearing type is connected with the front of the car, and the non-load-bearing type is separated from the front of the car. See below for the differences:

Differences:

The load-bearing body, as the name suggests, is to carry the parts of the car manufacturer, such as the engine, gearbox, suspension and so on. The parts and components of these cars are mounted directly on the body, they are a whole.

The non-load-bearing body retains the traditional chassis girders. The engine, gearbox and other auto parts are installed on the chassis girders, and the body does not carry the auto parts. Therefore, theoretically, an SUV model with a non-load-bearing body can run even if the body is removed.

Pros:The non-load-bearing body is designed to reduce the bumpiness of the vehicle due to the high strength of the chassis. At the same time, when the vehicle collides, the frame can play a role in absorbing the impact force, and the safety is higher.

In general, SUVs and off-road vehicles are mostly used.

The load-bearing body has no frame to reduce the weight of the whole vehicle; The structure does not affect the interior space of the carriage, and the floor height is reduced, making it easy to get on and off the train. It is suitable for cars, cars, and urban SUVs, which are relatively light and fuel-efficient. The center of gravity is low, the road is stable, and the integral body is relatively safe.

Cons:Due to the large weight of the non-load-bearing body, the fuel consumption will also increase correspondingly, so this is why SUVs consume more fuel than cars. At the same time, the center of gravity of the body is too high, which will affect the cornering handling, and it is easy to roll over when the speed is too high.

The vibration and noise of the load-bearing body drivetrain and suspension will be directly transmitted into the car, and shock and sound insulation measures need to be taken; The strength of the chassis is much inferior to the body of the girder structure, and when the four wheels are stressed unevenly, the body will be deformed; The manufacturing cost is on the high side.

The difference between load-bearing and non-load-bearing bodies is the different structure.

The non-load-bearing body means that the body does not bear the load of the engine, chassis and so on. The strength of the body of this kind of car is very large, because there are solid girders to bear the body load, like the common domineering is this kind of structure, its towing hook is also installed on the girder, so they can enjoy tug-of-war, and they are not afraid of pulling the body hard when trailering.

The materials used in the non-load-bearing body are all very strong materials, so the weight of the body is very heavy, so it is more fuel-intensive to drive. Moreover, this kind of vehicle is generally not flexible enough to handle, so it is difficult to drive.

There is no rigid frame at the bottom of the load-bearing body, but a series of reinforcements have been carried out in the front and rear parts of the body and the side walls, and the engine, front and rear suspension and transmission parts are fixed in the inherent position, connected to the wheels through the front and rear suspension, generally speaking, there is no ** at the bottom of the vehicle, but the parts are directly integrated at the bottom of the vehicle, each performing its own duties.

The non-load-bearing body is relatively bulky, with large mass and high center of gravity, and is generally used in trucks, buses and off-road vehicles, but because of its good stability and off-road performance, it will also be used in some high-end cars.

1. Different structures: the load-bearing body is to carry the parts of automobile manufacturers, such as engines, gearboxes, suspensions, etc. These parts are mounted directly on the body, they are a single unit.

The non-load-bearing body means that the chassis girders, engines, gearboxes and other auto parts are installed on the chassis girders, and the body is not load-bearing auto parts.

2. Difference in fuel consumption: compared with the non-load-bearing body, the load-bearing body has no girders, so the overall mass will be lighter, so it is more fuel-efficient, and the center of gravity is relatively low; Because the non-load-bearing body retains the chassis girders, the overall mass of the vehicle is larger, and the fuel consumption is naturally higher.

3. Difference in maintenance: the load-bearing body parts are installed on the body, and the various parts of the body are also connected by welding, so it will be more complicated in terms of maintenance; Because the parts of the non-load-bearing body are installed on the chassis girders, it will be more convenient when it needs to be replaced or repaired.

4. Collision difference: the front and rear frames of the load-bearing body collapse in the event of a collision accident, so as to protect and absorb the impact force to protect the people in the car, so it is relatively safer; Due to the presence of chassis girders, the non-load-bearing body cannot collapse and absorb the impact force in the event of a collision like the load-bearing body.

5. Noise difference: the flexible rubber pad of the non-load-bearing body can also play a role in auxiliary buffering, properly absorbing the torsional deformation of the frame and reducing noise; Noise and vibration from the road surface and engine of a load-bearing body are easily transmitted to the body.

The differences are as follows:

1. Compared with the non-load-bearing body, because the load-bearing body does not have rigid girders, the overall weight of the vehicle is lighter, the cost is lower, and it is also fuel-efficient to run.

2. Compared with the non-load-bearing body, the load-bearing body will collapse on the front and rear axles when encountering an impact, which absorbs part of the impact energy for the people in the car and can better ensure the safety of the people in the car.

3. Because the load-bearing body does not have a rigid girder at the bottom, the load-bearing body is inferior to the non-load-bearing body in rigidity and off-road ability, and is more suitable for driving on urban roads.

4. Because the load-bearing body installs all the auto parts on the body, and the various parts and the body are often connected together by welding, some parts may be more time-consuming and laborious in the later maintenance and replacement.

5. Because the non-load-bearing body increases the girder located at the bottom of the vehicle, and the bottom girder provides a stronger body rigidity for the body, the non-load-bearing body can be unimpeded in various rugged and potholed mountain roads.

6. Because the bottom girder of the non-load-bearing body and the two major structures of the body are separated, and there will be a lot of sound insulation materials embedded in the middle, the non-load-bearing body can provide better sound insulation effect for passengers during driving.

The difference between the load-bearing and non-load-bearing bodies is mainly the different structure, the load-bearing type is lighter, and the latter is heavier but its structure is more stable.

The advantages of the load-bearing body are:1Compared with the non-load-bearing body, the load-bearing body will have a lighter overall mass because it does not penetrate into the girder early, so it is more fuel-efficient, and the center of gravity is relatively low.

2.The front and rear frames of the load-bearing body collapse in the event of a collision to protect the people in the vehicle by absorbing the impact force, so it is relatively safer.

The advantages of the non-load-bearing body are:1Rigid frame beams absorb and resist torsional forces well, which greatly reduces the impact on the body.

2.Because the chassis is separated from the body, a variety of shock-absorbing materials are embedded in the middle, and the abnormal noise is less when driving in complex road conditions.

The difference is that the load-bearing body can carry very heavy goods, while the non-load-bearing body cannot carry very heavy goods, and that's the difference, that's all.

The biggest difference between the load-bearing body and the non-load-bearing body is that the load-bearing body does not have a girder from the front to the rear of the car, while the non-load-bearing body has, and the longitudinal beams of the load-bearing body are welded on the body, and the middle is separated by the body-in-white, which can also be understood as the non-load-bearing body has an independent chassis, and the load-bearing body does not have an independent chassis.

1.Non-load-bearing body: The chassis and the cockpit of the members are two independent entities, and the chassis part is equipped with the engine, gearbox, suspension, transmission mechanism and other components, and then the passenger cockpit is installed on the chassis after completion.

The advantages are that the chassis has good strength, high rigidity, good automobile safety, strong impact resistance and anti-bump performance; The disadvantages are excessive weight, relatively high center of gravity, and relatively poor ride comfort. Non-load-bearing bodies are mostly used for hard-core off-road vehicles or trucks.

2.Load-bearing body: The entire body is a separate structure, so the engine, gearbox, etc. are also mounted on the body.

The advantages are light weight, low center of gravity, relatively better handling and comfort, and higher space utilization in the car; The disadvantage is that the impact resistance is poor, and the passability is relatively average.

What are load-bearing and non-load-bearing bodies? Figure it out in 3 minutes, and read the knowledge.

The non-load-bearing body is a traditional body structure, which is mainly used in the production of professional off-road vehicles or commercial trucks and buses, and the body structure of these models is mainly composed of two parts: the frame and the body, and the frame is responsible for installing the engine, gearbox, suspension and other components. The body is only responsible for providing a closed environment that shelters from the wind and rain, and does not play the role of bearing capacity, so it is called a non-load-bearing body.

Load-bearing body, load-bearing body is the mainstream body structure currently used in the market, almost more than 90% of the models are this body structure. The load-bearing body does not have a separate body frame, and the engine, suspension, gearbox and other parts are directly installed on the body, and the body has to bear the full load of the vehicle, so it is called the load-bearing body.

The differences between load-bearing and non-load-bearing bodies are as follows: 1. Cars with load-bearing bodies do not have rigid frames; Cars with non-load-bearing bodies have rigid frames, also known as chassis girder frames. 2. The load-bearing body has small weight, low height, easy assembly and high stability; The non-load-bearing body is relatively bulky, with large mass, high center of mass and poor high-speed driving stability.

3. The load-bearing body is integrated, and the suspension is directly connected to the body; The non-load-bearing body body is suspended on the frame and connected by elastic elements. 4. The load-bearing body road runs smoothly, the frequency vibration is low, and the noise is small; The non-load-bearing body road driving is not smooth, which will produce vibration and low safety.