Part of vehicle frame

Abstract

The invention relates to a part of a vehicle frame. The cross section of the part of the vehicle frame is U-shaped; two sides of the U-shaped section are respectively provided with a first side edge and a second side edge; the bottom part of the U-shaped section is provided with a bottom edge; the first side edge is parallel with the second side edge; the bottom edge is relatively perpendicular to the first side edge and the second side edge; the thickness of the wall of the part of the vehicle frame is 1-8mm; and the wall is manufactured by using an aluminum alloy or a magnesium alloy. The invention has the advantages that a rectangular steel pipe of the traditional vehicle body frame is replaced by the part of the vehicle frame which acts on a vehicle body and is manufactured by utilizing the thickening aluminum alloy or magnesium alloy with the U-shaped cross section so as to achieve the effect that the weight is reduced by almost half under the condition of the same or similar strength with steel products, therefore, the weight of the combined vehicle body is greatly reduced without decreasing the strength, the manufacturing cost and the running cost are lowered, and the part of the vehicle frame is more environmentally-friendly, saves more energy, and is capable of adapting the installation of different positions of the vehicle body.

Description

technical field [0001] The invention relates to a vehicle frame component, which belongs to the field of automobile components. Background technique [0002] At present, there are mainly three types of skeleton structure of passenger cars: non-load-bearing body cars have rigid frames, also known as chassis girder frames. The main body of the vehicle body is suspended on the vehicle frame and connected by elastic elements, mainly relying on the vehicle frame to bear the load, and the vehicle body does not participate in the force bearing. This kind of non-load-bearing body is relatively cumbersome, high in mass, high in the center of mass of the car, and poor in high-speed driving stability. The car with semi-loaded body does not have a rigid frame, but only strengthens the front wall, side wall, rear wall, chassis and other parts. The body and the chassis together form the rigid space structure of the body. In this semi-load-bearing type, the body only partially participat...

AI Technical Summary

Problems solved by technology

There is also a fully load-bearing body structure welded by giant steel pipes. Although the mass is smaller than the first two, it cannot effectively reduce the weight of the body.

The above three structures are all steel structures, the weight of the whole vehicle is heavy, which leads to a decrease in carrying capacity, high energy consumption of the bus, and the steel skeleton is prone to rust, even if the skeleton has been phosphated, the life span is only about 8 years, and it cannot recycle and re-use

Moreover, the phosphorus in the phosphating solution is a highly toxic substance, and the antirust paint sprayed on the rectangular steel pipes seriously pollutes the environment.

And at present, most of the skeletons of passenger cars are rectangular steel pipe structures. If the rectangular steel pipes are directly changed to rectangular aluminum pipes to reduce weight, the strength will not meet the requirements, because the tensile strength of Q235 steel is 375-460Mpa, while the 6082 aluminum alloy The tensile strength is 310Mpa

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