Directexhaust and drainage structure of rail transit vehicle

Abstract

The invention discloses a direct exhaust and drainage structure of a rail transit vehicle. The exhaust and drainage structure comprises a vehicle body framework, side walls, a passenger room floor anda pipeline made of metal. The pipeline is provided with an upper section, a labyrinth section and a lower section; the upper section of the pipeline is arranged between the vehicle body framework andthe side wall, the lower section of the pipeline penetrates through a bottom frame of the vehicle body framework and extends to the position below a vehicle body, and the labyrinth section of the pipeline is arranged between a passenger room floor and the bottom frame of the vehicle body framework. And a heat insulation material wrapping the pipeline is filled between the passenger room floor andthe bottom frame of the vehicle body framework. The problems of fireproof safety and passenger comfort of a vehicle exhaust and drainage system are solved at the same time.

Description

technical field [0001] The invention relates to a direct exhaust and drainage structure for rail transit vehicles, which belongs to the field of rail transit vehicles. Background technique [0002] With the rapid development of rail transit vehicles, especially the continuous improvement of speed grades, fire safety and high comfort have become issues that vehicle designers must face and solve. [0003] The traditional drainage and air exhaust structure uses hoses to extend to the chassis of the car body frame to discharge air and water, or uses a sewage collector to collect water and discharge it. The front structure is simple, but due to the need to open holes in the underframe of the car body frame, the fireproof partition performance of the underframe of the car body frame is destroyed. In case of fire, there is a risk of fire spreading from the underframe to the passenger compartment; As a result, wheel and rail noise, chassis equipment noise, and aerodynamic noise are...

AI Technical Summary

Problems solved by technology

The front structure is simple, but due to the need to open holes in the underframe of the car body frame, the fireproof partition performance of the underframe of the car body frame is destroyed. In case of fire, there is a risk of fire spreading from the underframe to the passenger compartment; Cause wheel and rail noise, underframe equipment noise, and aerodynamic noise to enter the passenger compartment, reducing passenger comfort

The second method can solve the drainage problem, but the sewage collection equipment and pipelines are added, the structure is complex, the failure rate is high, the reliability is poor, and the weight of the vehicle is increased, and the economy is poor

However, the patent is aimed at the vehicle comfort and fire safety problems caused by the exhaust and drainage of the vehicle, and there is currently no effective solution

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