Railway vehicle and modular vehicle head framework structure thereof

Abstract

The invention provides a railway vehicle and a modular vehicle head framework structure thereof. The modular vehicle head framework structure comprises two front stand columns, two middle stand columns and two rear stand columns, the two front stand columns, the two middle stand columns and the two rear stand columns are sequentially arranged at intervals front and back and are symmetrically arranged relative to the center line of the vehicle, the two front stand columns are connected through a front-end lower cross beam, and the top ends of the two front stand columns are upwards connected with first vertical inclined columns; the lower portions of the two middle stand columns are each connected with one front stand column through a first transverse inclined column, the upper portions of the two middle stand columns are connected through a middle upper cross beam, the top ends of the two first vertical inclined columns are connected through a front-end upper cross beam, the top ends of the two first vertical inclined columns are each connected with the middle upper cross beam through a second vertical inclined column, the two middle stand columns are respectively connected with one rear stand column through a second transverse inclined column, the middle stand columns, the second transverse inclined columns and the rear stand columns form a door frame, the top ends of the two rear stand columns are connected through a rear ring beam, and a plurality of rear end connecting beams are arranged on the outer side walls of the two rear stand columns. Load transmission uniformity can be improved, and sudden change of the section of the vehicle body is reduced.

Description

technical field [0001] The invention relates to the technical field of rail vehicle structures, in particular to a rail vehicle and its modular head frame structure. Background technique [0002] The subway is a fast, large-capacity, electric traction rail transit built in the city, which belongs to the type of urban rail transit. [0003] Trains run on fully enclosed lines. Under normal circumstances, the lines located in the central urban area are basically located in underground tunnels, and the lines outside the central urban area are generally located on viaducts or on the ground. The subway covers various underground and above-ground areas in urban areas. A high-density, high-capacity urban rail transit system with exclusive right-of-way. [0004] Rail vehicles need to ensure that the pressure fluctuation generated when the vehicle enters the tunnel can be as small as possible. The rail vehicle should lengthen the cross-sectional transformation area of ​​the front, bu...

AI Technical Summary

Problems solved by technology

[0004] Rail vehicles need to ensure that the pressure fluctuation generated when the vehicle enters the tunnel can be as small as possible. The rail vehicle should lengthen the cross-sectional transformation area of ​​the front, but excessive lengthening will be transformed into a transition length, which will compress the space in the passenger compartment and make the vehicle load fewer customers

[0005] At present, according to previous subway projects, the front of the car is usually sma...

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