Split type broadband steel rail damping vibration reduction noise reducer

Abstract

The invention discloses a split type broadband steel rail damping vibration reduction noise reducer. The split type broadband steel rail damping vibration reduction noise reducer comprises a rail webdamping plate, which sticks to a rail web, and clamp springs; the split type broadband steel rail damping vibration reduction noise reducer further comprises a middle adjusting block and a rail bottomdamping vibration reducer; the middle adjusting block is in contact with the rail web damping plate; the bottom damping vibration reducer coats the rail bottom and is in contact with the middle adjusting block; one group of adjusting holes is formed in the contacting surface of the rail web damping plate and the middle adjusting block; limiting projections matched with the adjusting holes are arranged on the middle adjusting block; a sawtooth surface is arranged on the contacting surface of the middle adjusting block and the rail bottom damping vibration reducer; and a toothed surface matchedwith the sawtooth surface is arranged on the rail bottom damping vibration reducer. Through matched coarse adjusting of the limiting projections and the adjusting holes and through fine adjusting ofthe toothed surface and the sawtooth surface, it is guaranteed that the rail bottom damping vibration reducer is in a position between two sleepers; the adjusting mode is convenient and rapid; and moreover, the coordination between the limiting projections and the adjusting holes and the coordination between the sawtooth surface and the toothed surface can effectively prevent the rail bottom damping vibration reducer from jumping so that the vibration reduction effect is guaranteed.

Description

technical field [0001] The invention relates to a rail damping and noise reducer, in particular to a split type rail damping and noise reducer. Background technique [0002] Vibration and noise are recognized as the most widely affected public hazards, and they are also a problem that needs to be solved urgently in the development of rail transit in recent years. The structure of the current common rail vibration and noise reducer is affected by the shape of the rail and the positions of sleepers and fasteners. During the laying process, the spacing is not uniform, so that the rail bottom shock absorber cannot be installed just at the center of the two sleepers, but the deformation of the rail at the center of the two sleepers is the largest, and the deviation from the center is not conducive to improving the effect of vibration and noise reduction. The structural forms of the waist and rail bottom shock absorbers have certain restrictions. Contents of the invention [0...

AI Technical Summary

Problems solved by technology

The structure of the current common rail vibration and noise reducer is affected by the shape of the rail and the positions of sleepers and fasteners. During the laying process, the spacing is not uniform, so that the rail bottom shock absorber cannot be installed just at the center of the two sleepers, but the deformation of the rail at the center of the two sleepers is the largest, and the deviation from the center is not conducive to improving the effect of vibration and noise reduction. There are certain restrictions on the structural form of the waist and rail bottom shock absorbers

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