Array ( [id] => 422 [memberid] => 1 [fimg] => /uploads/infos/u1/20200511/202005111589187786.png [tittle] => 鋼軌魚尾板的安裝原理及作用 [keywords] => [contents] =>

 魚尾板是一種用于鋼軌與鋼軌之間連接固定的緊固件，魚尾板的使用比鋼軌對 焊要省事省工，安裝簡單快捷，魚尾板與魚尾螺栓配套使用。魚尾板中部設有魚尾螺栓孔，沿魚尾螺栓孔水平軸線的上、下兩側設有與鋼軌相接觸的接觸面，與鋼軌頂部相接觸的接觸面向上沿伸形成一段高于軌側的過渡段，該過渡段沿魚尾板長度方向形成中間高兩端低的橋拱形。橋拱形魚尾板結構可減少車輪對鋼軌接頭的沖擊，增加了接頭處鋼軌縱向的連續性，提高了列車通過時的平順性。

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