Open Type Elastic Short Sleeper Vibration Damping Track Structure

Abstract

Disclosed is an open-type elastic shorter tie vibration damping track structure. An efficient and fluent exhausting and water draining channel is provided for elastic vibration damping parts. The vibration damping property is improved and the service life is prolonged. The technical problem affecting the application and popularization of an elastic shorter tie vibration damping track in the long term is solved. The open-type elastic shorter tie vibration damping track structure comprises a monolithic track bed and the elastic vibration damping parts arranged at intervals in the extending direction of a line. Each elastic vibration damping part is composed of a shorter tie, an elastic covering sleeve and an elastic cushion layer. The outer side wall of each shorter tie is sleeved with the corresponding elastic cover sleeve, the elastic cushion layers are arranged between the bottom faces of the shorter ties and the bottom faces of the elastic covering sleeves, and the elastic vibration damping parts are embedded into an embedded groove formed at the time of casting the monolithic track bed in situ. The cross section of each shorter tie is in a variable cross-section shape in the length direction, and the outer side ends of the embedded groove and the elastic covering sleeves are provided with openings parallel and level to the transverse side face of the monolithic track bed.

Description

technical field [0001] The invention relates to a ballastless track, in particular to an open elastic short sleeper vibration damping track structure. Background technique [0002] In order to reduce the impact of the environmental vibration caused by the passing of the train on the vibration-sensitive points along the rail transit, the most direct and effective method is to improve the elasticity of the track system, and the vibration-damping elements (such as elastic cushions, etc.) Under the ballast bed, it can be divided into three types: the damping track under the rail, the damping track under the sleeper and the damping track under the ballast bed. The elastic short sleeper damping track is a typical under sleeper damping track. [0003] refer to Figure 9 , the characteristic of existing elastic short sleeper vibration damping track is, by short sleeper, elastic cushion layer, elastic sheathing, elastic vibration damping parts are formed, and elastic vibration dampi...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an open elastic short sleeper vibration damping track structure, which provides efficient and unobstructed exhaust and drainage channels for elastic vibration damping components, improves vibration damping performance and service life, and effectively solves the long-term impact of short elastic sleepers. Technical Difficulties in the Popularization and Application of Sleeper Vibration-absorbing Tracks

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