Split type vibration isolating device and application thereof

Abstract

The invention belongs to the control field of vibration and noise, and particularly relates to application of a vibration isolating device of a railway vehicle. The vibration isolating device comprises a linkage sleeve and a spring vibration isolator; the linkage sleeve is provided with a supporting stopper block and a jacking stopper block; the linkage sleeve consists of an upper sleeve and a lower sleeve; a detachable linkage mechanism is arranged between the upper sleeve and the lower sleeve; the supporting stopper block is arranged at the upper part of the lower sleeve; the jacking stopper block is arranged at the lower part of the upper sleeve. The split type vibration isolating device solves the problem that the linkage sleeve has a large size caused by the preset jacking installation space in the current vibration damper and cannot be applied to the thinner floating slabs of a railway; the split type vibration isolating device disclosed by the invention has a compact and reasonable structure and low cost, enlarges application range of the vibration isolating device under a track bed, has high practicability and gives considerations to both the economic effect and the environment protecting effect. The split type vibration isolating device disclosed by the invention is applicable to the vibration isolation of floating plates, building floors or equipment bases, in particular to the vibration isolation of metro railways, and can be widely applied to the vibration isolations of rail traffic fields such as railways, urban railways, elevated railways and high speed railways.

Description

technical field [0001] The invention belongs to the field of vibration and noise control, and in particular relates to a vibration isolation device for alleviating the adverse effects caused by the vibration and noise emitted during the operation of rail vehicles or reducing the vibration of building components and equipment foundations. Background technique [0002] The traditional rail transit structure will generate large vibration and noise when the vehicle is running. These vibration and noise not only affect the nearby buildings and equipment, but may also cause harm to the human body. Therefore, for urban areas with relatively concentrated population and buildings, the problem of vibration and noise reduction of rail transit is particularly important. Existing vibration reduction measures are divided into three levels: under-rail vibration isolation, under-pillar vibration isolation, and under-ballast bed vibration isolation according to the different nodes involved i...

AI Technical Summary

Problems solved by technology

In the actual application process, on the one hand, due to the limitation of many factors such as space, cost and environment, the height reserved for the floating plate in many cases cannot accommodate a larger connecting sleeve, so the floating plate cannot be used; on the other hand , the height of the floating plate is often determined very late in the engineering design. Due to the change of the thickness of the floating plate, the size of the connecting sleeves of various heights is different, and stock production cannot be realized, so the delivery time is long

Especially when design changes are encountered during construction, because the corresponding period is long, it is easy to affect the construction progress

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