A rail vehicle chassis structure and rail vehicle

Abstract

The invention discloses a rail vehicle underframe structure, which comprises a front end portion of the underframe, a rear end portion of the underframe, a first floor for connecting the front end portion of the underframe and the rear end portion of the underframe, and an underframe side beam. The front end part of the underframe and the rear end part of the underframe are respectively located at both ends of the first floor in the length direction, and there are two side beams of the underframe, and the two side beams of the underframe are respectively connected to the first The two outer sides in the length direction of the floor are characterized in that: the front end part of the underframe includes a second floor and a first end assembly, and the second floor is fixedly connected to the lower part of the first end assembly , and connected with the first floor; the main body of the second floor has a first thickness, and the connection between the edge of the second floor and the side beam of the underframe has a second thickness, and the first A thickness is smaller than a second thickness; the second thickness is the same as the thickness of the first floor.

Description

technical field [0001] The invention relates to the technical field of rail vehicle manufacturing, in particular to a rail vehicle underframe structure and a rail vehicle. Background technique [0002] Platform heights are different in different countries. The platform heights of many foreign light rail lines are much lower than domestic ones, resulting in low vehicle floors and very limited design space for the chassis of the vehicle body. However, the lightweight requirements of the vehicle body are high, and carbon steel or stainless steel cannot be used instead of aluminum alloy. Design to solve the problem of insufficient design space. In addition, users have put forward higher requirements for the strength and safety of the car body. The strength requirements of the car body have been raised from the P-IV level of the EN 12663 standard to the P-III level, and the collision safety requirements have been raised from the C-IV level of the EN15227 standard to the P-III lev...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a rail vehicle underframe structure and a rail vehicle in view of the deficiencies in the prior art. Problems, while having the technical characteristics of high strength, high rigidity, light weight, and good comfort

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