Vibration isolator and railway vehicle

A vibration isolator and car body technology, which is applied in the field of rail vehicles, can solve problems such as difficult to meet vibration isolation requirements and affect passenger ride comfort, and achieve the effect of improving low-frequency vibration isolation, improving ride comfort, and weakening vibration direction

Pending Publication Date: 2022-04-08
CRRC QINGDAO SIFANG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vibration isolator with the existing structure is difficult to meet the vibration isolation requirements under the conditions of limited space and deformation limit, and it is difficult to effectively suppress low-frequency vibration, thus affecting the ride comfort of passengers

Method used

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  • Vibration isolator and railway vehicle
  • Vibration isolator and railway vehicle
  • Vibration isolator and railway vehicle

Examples

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Embodiment Construction

[0035] 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.

[0036] 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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PUM

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Abstract

The vibration isolator comprises a base, a floating block, a first elastic body and a second elastic body, the base is provided with an opening, and at least part of the floating block is located in the base; the first elastic body is connected with the floating block and the base, and a supporting cavity is formed between the first elastic body and the base. The second elastomer is arranged in the supporting cavity, the first end, away from the floating block, of the second elastomer is connected with the base, a floating gap is formed between the second end, close to the floating block, of the second elastomer and the first elastomer, and the cross section of the second elastomer is gradually increased from the second end to the first end. The vibration isolator provided by the invention not only has a very wide bearing range, but also has an equal-frequency characteristic in inherent frequency, so that a very good vibration isolation effect can be achieved under the conditions of limited space and deformation limitation.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to a vibration isolator and a rail vehicle. Background technique [0002] During the operation of the rail vehicle, the vibration of the car body will be transmitted to the interior floor, causing the interior floor to vibrate, thereby reducing the passenger experience. In order to weaken the vibration transmission from the car body to the interior floor, it can be considered to install a vibration isolator between the car body and the interior floor. Due to the limited installation space between the car body and the interior floor, considering the stability of the interior floor, the vibration isolator is required to have a small volume and deformation. However, when the rail vehicle is fully loaded (full of passengers), the interior floor The load is about 4 times the load of no load (no passengers), so the vibration isolator needs to have a wider load range, which will hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/08F16F15/04
Inventor 朱雷威王彦哲郭建强杨雪帅长庚
Owner CRRC QINGDAO SIFANG CO LTD
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