Railway vehicle head and chassis integrated structure and forming method

Abstract

Arailway vehicle head and chassis integrated structure is characterized by comprising a cab chassis and a passenger room chassis, the cab chassis and the passenger room chassis are both composed of sandwich structures filled with core materials between inner and outer skins, and the inner and outer skin structures of the chassises are formed by continuously laying carbon fiberprepregs. The inner skins of the cab chassis and the passenger room chassis serve as parts of the integrated structures of the chassises, and the functional requirements of floor parts of traditional metal vehicles are also integrated. The foam core materials of the cab chassis and the passenger room chassis serve as parts of the integrated structures of the chassises, and the functional requirements of sound insulation parts and cold-proof parts in the traditional metal vehicles are also integrated. The cab chassis and the passenger room chassis are integrated, a high-temperature pressurizing-curing forming process is adopted, the structural deformation amount in the forming process is small, and the structural strength, rigid mechanical properties and overall machining precision of a vehicle body chassis are improved.

Description

technical field [0001] The invention belongs to the field of railway transportation, and in particular relates to a forming technology of a novel underframe integrated structure of a rail vehicle. Background technique [0002] With the continuous improvement of rail vehicle equipment manufacturing technology, the design concept of rail vehicle body structure platformization, modularization and lightweight has received more and more attention and attention. As the most complex and important structural part of the car body structure, the re-optimized design of its structural form is very consistent with the current design concept of the car body structure, and can also improve the manufacturing technology of rail vehicle equipment as a whole. [0003] The car body underframe structure is the most important load-bearing part in the rail vehicle body structure, which needs to bear the loads generated by the side walls, roof, under-car equipment, interior equipment and passengers...

AI Technical Summary

Problems solved by technology

However, in the traditional structural design of rail vehicles, due to lack of confidence in the mechanical properties of new materials and lack of relevant design experience, the application of new materials in rail vehicles is limited to some secondary structures and non-load-bearing structures. The lightweight effect of the structure is not obvious

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