Telescopic device for preventing suspension bridge from shaking

The invention provides a telescopic device for preventing a suspension bridge from shaking. The telescopic device comprises a first comb plate and a second comb plate which are matched in a telescopicmode, the root of the first comb plate is connected to a first supporting component, and the second comb plate is installed on a second supporting component. The device is characterized in that the first supporting component comprises a bracket and a fixed bottom plate which are sequentially arranged below the first comb plate from top to bottom, the fixed bottom plate is used for being fixed tothe end of a beam, the first comb plate, the bracket and the fixed bottom plate are connected through a first connecting bolt, and the root of the first comb plate is rotationally connected to the bracket; and the fixed bottom plate can horizontally rotate around the first connecting bolt relative to the bracket and the first comb plate. According to the telescopic device for preventing the suspension bridge from shaking,