Full-floating carriage structure and railway vehicle

A carriage and floating technology, which is applied in the field of rail vehicles, can solve the problems of increased noise in the car and the inability to meet the requirements of noise comfort in the car, and achieve the effects of reducing noise, improving ride comfort, and high operating speed.

Active Publication Date: 2020-11-27
CRRC QINGDAO SIFANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the rapid development of rail transit and the substantial increase in vehicle speed, the noise inside the car has also increased significantly. The original interior vibration damping installation in some areas will not meet the requirements for noise comfort in the car.

Method used

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  • Full-floating carriage structure and railway vehicle
  • Full-floating carriage structure and railway vehicle
  • Full-floating carriage structure and railway vehicle

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Experimental program
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Embodiment Construction

[0034] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] In this article, terms such as "upper, lower, left, right" are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may also change accordingly depending on the drawings. It is understood as an absolute limitation on the scope of protection; moreover, relative terms such as "first" and "second" are only used to distinguish one from another component with the same name, and do not necessarily require or No such actual relationship or order between these components is implied.

[0036] Please refer to figure 1 , figure 1 It is a perspective view of a fully floating car structure disclosed in an embodiment of the present invention.

[0037]As shown in the figure...

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Abstract

The invention discloses a full-floating carriage structure and a railway vehicle. The carriage structure comprises a vehicle body sectional material and interior trim panels, the interior trim panelscomprise a vehicle interior floor panel, a side wall trim panel and a vehicle roof trim panel, the vehicle interior floor panel, the side wall trim panel and the vehicle roof trim panel form an interior trim integral structure, an interlayer is formed between the vehicle body sectional material and the interior trim integral structure, and the interlayer is filled with sound absorption and insulation materials. The vehicle interior floor panel and the vehicle body sectional material are in vibration reduction connection through a bottom floating mounting base, the side wall decorative plate isconnected with the vehicle body sectional material through a side floating installation base in a vibration reduction mode, the vehicle roof trim panel is connected with the vehicle body sectional material through a first top floating installation base in a vibration reduction mode, and a vehicle roof air duct located above the vehicle roof trim plate is connected with the vehicle body sectionalmaterial through a second top floating installation base in a vibration reduction mode. According to the full-floating carriage structure, the interior trim is connected with the vehicle body in a vibration reduction mode, a sound bridge is effectively blocked, low-frequency noise in the vehicle is controlled, and the comfort degree of the noise in the vehicle is improved.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to a full-floating car structure of rail vehicles. The invention also relates to a rail vehicle provided with such a fully floating car. Background technique [0002] The interior noise of high-speed trains is mainly divided into airborne sound and structural sound. The connection structure between the car body and interior decoration is an important way for the transmission of structural sound. [0003] The rail vehicle compartment structure is divided into car body, interior decoration and its intermediate connection structure and sound-absorbing interlayer. The connection structure between the car body and interior decoration is an important way for noise transmission. If the rigid connection between the car body and interior panels , the attenuation is small in the process of noise and vibration transmission, and the excitation of the noise source outside the vehicle can ...

Claims

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Application Information

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IPC IPC(8): B61D17/04B61D17/18
CPCB61D17/043B61D17/185Y02T30/00
Inventor 郭建强朱雷威丁叁叁刘韶庆陈大伟孙召进刘宗财赵艳菊潘光亮
Owner CRRC QINGDAO SIFANG CO LTD
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