Modular Rail Vehicle Body

Abstract

The invention discloses a modular rail vehicle body. The car body includes a roof, a side wall, an underframe, an end wall and a driver's cab frame; the roof adopts a long arc roof structure; The top profile of the side wall and several side wall units; the side wall unit is assembled and welded by several parallel door columns and side wall panel profiles, and the extension directions of the door column and side wall panel profiles are all in line with the top of the side wall Profiles are distributed vertically; the underframe is mainly composed of underframe side beams, floor middle profiles, corbels, traction beams and anti-roll mounting seats; between the roof and side walls, the underframe side beams and floor edges The connections between the profiles and between the floor edge profiles and the floor middle profiles adopt lap joints or butt joints. The vehicle body of the present invention improves the versatility and sharing rate by designing the top layer, optimizing the structure of the vehicle body and the profile section.

Description

Technical field[0001]The invention relates to a modular rail vehicle body, belonging to the technical field of rail vehicles, in particular to a subway train body structure.Background technique[0002]At present, the domestic A / B type subway cars occupy about 80% of the urban rail transit vehicles of various standards. Although the main outline dimensions of the A / B type subway cars are basically the same, the main types of cross-sections are drum, straight and trapezoidal. However, due to the large differences in the technical systems of domestic manufacturers, the different equipment installation interfaces of suppliers, and the more or less individual needs of users, there are hundreds of types of domestic subway train bodies. Excessive types have brought huge design, manufacturing and procurement costs to vehicle manufacturers, as well as huge spare parts procurement, storage, and vehicle maintenance costs for vehicle users. The existence of these phenomena is seriously inconsiste...

AI Technical Summary

Problems solved by technology

However, this patent scheme does not provide a general idea of ​​equipment installation, nor does it explain the simplified scheme of the height and length of the car body, and the operability is not high.

[0005] Chinese patent CN201520819504.6 relates to the modular side wall structure of the train car body. This solution focuses on solving the stress concentration problem caused by avoiding the weld line at the corner of the window, but does not provide some travel routes that require the height of the window to be increased. The solution to structural problems cannot meet the needs of more users

[0006] Chinese patent CN201520190079 provides a modular car body suitable for various boundaries. This patent only proposes a unified concept from the perspective of the outer contour limit of the car body, and does not provide a specific car body structure implementation plan

[0007] In addition, due to the needs of vehicle transportation, binding and fixing, vehicle transfer, etc., many projects have set up special structures such as croissant, semicircular, and U-shaped under the side beams of the chassis, resulting in complex vehicle body structure, various tooling, high cost, and visible appearance. Poor performance, and these additional structures are prone to interference with bogies and other equipment

Images