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Roof framework structure, vehicle body and rail vehicle

A skeleton structure and roof technology, applied in the field of rail vehicles, can solve the problems of lack of vertical bending resistance and insufficient vertical bending resistance.

Active Publication Date: 2020-10-23
CRRC QINGDAO SIFANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the present invention proposes a roof frame structure to solve the problem that the traditional roof frame structure does not have the ability to resist vertical bending, resulting in insufficient vertical bending resistance of the vehicle body

Method used

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  • Roof framework structure, vehicle body and rail vehicle
  • Roof framework structure, vehicle body and rail vehicle
  • Roof framework structure, vehicle body and rail vehicle

Examples

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Embodiment Construction

[0031] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0032] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...

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Abstract

The invention relates to rail vehicles, and particularly relates to a roof framework structure, a vehicle body and a rail vehicle. The roof framework structure comprises a pair of roof edge beams arranged at intervals and a plurality of camber beams connected between the pair of roof edge beams. The structure further comprises a pair of reinforcing beams. The multiple camber beams comprise two door area camber beams located at the two ends of the roof edge beam respectively, and the two ends of each reinforcing beam are connected to the ends, close to the same roof edge beam, of the two door area camber beams respectively. And the pair of reinforcing beams is oppositely bent along a force transmission direction. In the invention, topological optimization is carried out on a vehicle body stress and a force propagation path; therefore, the reinforcing beam is additionally arranged in the roof framework structure according to a topological optimization result; and a longitudinal load capacity and a bending resistance and torsion resistance ability of the roof framework structure are improved, particularly, the roof framework structure has vertical bending resistance so that the roof framework structure meets requirements for the longitudinal load capacity and the bending resistance and torsion resistance ability of a vehicle body.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to a roof frame structure, a car body and a rail vehicle. Background technique [0002] A rail vehicle body includes a roof assembly and a side wall assembly connected to the roof assembly. In a common car body structure, the roof assembly further includes a roof frame structure for supporting and a roof body covering the outer surface of the roof frame structure. [0003] The traditional roof frame structure is usually composed of two roof side beams arranged in parallel and several groups of curved beams welded between the two roof side beams, so that the longitudinal load capacity and bending and torsional capacity of the car body are balanced. It can meet the loading requirements of the whole vehicle. [0004] However, the traditional roof frame structure does not have the ability to resist vertical bending, which leads to insufficient vertical bending resistance of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61D17/12
CPCB61D17/12
Inventor 张保英刘岳平刘龙玺田洪雷林鹏
Owner CRRC QINGDAO SIFANG CO LTD
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