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Vibration reduction and noise reduction structure for rail car

A technology for vibration reduction and noise reduction, and rail vehicles, applied in the field of rail transit, can solve the problems of insufficient restraint force of sleepers and lateral displacement of rear sleepers, and achieve the effect of solving lateral displacement and improving restraint force.

Inactive Publication Date: 2019-10-29
李富盈
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practice, when the track of this structure is used, the sleeper often shifts laterally after long-term use, especially in the turning rail section, because the restraint force of the sleeper in the lateral direction is insufficient.

Method used

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  • Vibration reduction and noise reduction structure for rail car
  • Vibration reduction and noise reduction structure for rail car
  • Vibration reduction and noise reduction structure for rail car

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments; of course, the accompanying drawings are simplified schematic diagrams, and their scales do not constitute patent infringement. Product Restrictions.

[0022] Such as Figure 1 to Figure 4 As shown: this embodiment provides a vibration and noise reduction structure for rail vehicles, including a floating slab foundation 1, and the floating slab foundation 1 is provided with a storage area 1a with an upward opening, and the storage area 1a is filled with crushed A stone track 2, a sleeper 3 is buried on the crushed stone track 2, a guide rail 4 is fixed on the sleeper 3, and a vibration isolator 5 is provided in the floating slab foundation 1 below the accommodation area 1a. The bottom of the vibration isolator 5 is fixed o...

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Abstract

The invention relates to the technical field of rail traffic, in particular to a vibration reduction and noise reduction structure for a rail car. The structure comprises a floating plate foundation;the floating plate foundation is provided with a storage region with an upward opening, the storage region is filled with gravel ballasts, a sleeper is embedded on the gravel ballasts, a guide rail isfixedly arranged on the sleeper, a vibration isolator is further arranged at the portion, below the storage region, inside the floating plate foundation, and the bottom of the vibration isolator is fixed to a tunnel base plate; a positioning cylinder is perpendicularly fixed to the bottom of the storage region, a positioning column is perpendicularly fixed to the bottom of the sleeper, the outerdiameter of the positioning column is the same as the inner diameter of the positioning cylinder, and the positioning column is perpendicularly inserted into the positioning cylinder. The constrainingforce of the sleeper in the transverse direction can be improved, and the problem that the sleeper transversely shifts is solved.

Description

technical field [0001] The invention relates to the technical field of rail transportation, in particular to a vibration and noise reduction structure for rail vehicles. Background technique [0002] In subway rail transit, a certain amount of impact energy will be generated during the contact process between wheels and rails, and the resulting vibration and noise will inevitably have an impact on the surrounding environment and buildings. In order to reduce vibration and noise, it is generally necessary to set a certain section of the track as a vibration isolation structure. For example, patent CN 207933822 U discloses a rail structure for reducing vibration and noise in the throat area of ​​a subway depot, which includes a floating slab foundation, which is provided with a receiving area with an upward opening, and the receiving area is filled with crushed stones. , there are sleepers buried on the gravel road, the guide rails are fixed on the sleepers, and a vibration i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01B1/00E01B2/00E01B19/00
CPCE01B1/00E01B2/00E01B19/00E01B19/003
Inventor 李富盈
Owner 李富盈