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A low frequency vibration isolator for high-speed train floor

A technology for high-speed trains and vibration isolators, applied in the direction of high internal friction springs, etc., can solve the problems of large static deflection of the mounting seat and large deformation of the floor, and achieve the effects of good vibration isolation performance, improved riding comfort, and convenient installation.

Active Publication Date: 2020-07-28
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the stiffness of the rubber vibration isolator mount is too low, the static deflection of the mount will be too large, resulting in excessive deformation of the floor and other problems

Method used

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  • A low frequency vibration isolator for high-speed train floor
  • A low frequency vibration isolator for high-speed train floor
  • A low frequency vibration isolator for high-speed train floor

Examples

Experimental program
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Effect test

Embodiment 1

[0031] A low-frequency vibration isolator for high-speed train floors, such as figure 1 As shown, it includes the upper mounting base 1 of the vibration isolator, the lower mounting base 4 of the vibration isolator, the disc spring 2 arranged between the upper mounting base 1 of the vibration isolator and the lower mounting base 4 of the vibration isolator, and the The bushing-type rubber spring 3 on the outside of the spring 2, the upper and lower ends of the bushing-type rubber spring 3 abut against the mounting seat 1 at the upper end of the vibration isolator and the mounting seat 4 at the lower end of the vibration isolator respectively. The inner edge of the upper end of the disc spring 2 is fixedly connected to the outer side of the side wall of the upper end mounting base 1 of the vibration isolator, and the outer edge of the lower end 2 of the disc spring is fixedly connected to the inner side of the side wall of the lower end mounting base 4 of the vibration isolator....

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Abstract

The invention relates to a low-frequency vibration isolator for a high-speed train floor. The low-frequency vibration isolator for the high-speed train floor comprises a vibration isolator upper-end mounting seat (1), a vibration isolator lower-end mounting seat (4), a belleville spring (2) which is arranged between the vibration isolator upper-end mounting seat (1) and the vibration isolator lower-end mounting seat (4) and a lining-type rubber spring (3) which is arranged around the belleville spring (2), wherein the upper end and the lower end of the lining-type rubber spring (3) are connected to the vibration isolator upper-end mounting seat (1) and the vibration isolator lower-end mounting seat (4) in an abutting mode correspondingly. Compared with the prior art, the low-frequency vibration isolator for the high-speed train floor is compact in structure, small in occupied space and good in vibration isolation performance, low-frequency vibration can be effectively isolated, and thecomfort of taking a high-speed train is improved.

Description

technical field [0001] The invention relates to a vibration isolator, in particular to a low-frequency vibration isolator used for the floor of a high-speed train. Background technique [0002] As the speed of high-speed trains increases, the vibration of the car body increases. In order to further improve the ride comfort of high-speed trains, it is necessary to install vibration isolators under the floor. At present, rubber vibration isolators are usually used on the floor of high-speed trains. According to the vibration isolation theory, the lower the stiffness of the rubber vibration isolator mount, the lower the initial frequency of vibration isolation, which is more conducive to isolating low-frequency vibrations. However, if the stiffness of the rubber vibration isolator mount is too low, the static deflection of the mount will be too large, which will lead to problems such as excessive deformation of the floor. Contents of the invention [0003] The object of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F3/10
CPCF16F3/10
Inventor 周劲松孙煜宫岛孙文静夏张辉陈江雪
Owner TONGJI UNIV
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