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揭秘打磨鋼軌:精度0.1毫米 讓坐高鐵更安全舒適

關鍵詞 鋼軌打磨 , 砂輪|2018-05-30 10:35:02|來源 鄭州晚報
摘要 5月14日凌晨,中國鐵路鄭州局集團有限公司鄭州工務機械段的一輛鋼軌打磨車緩緩駛入蘭考南站,準備利用4小時的“天窗”點,對鄭徐客專蘭考至民權區(qū)間的鋼軌進行打磨作業(yè)。0時10分許,隨著...

  5月14日凌晨,中國鐵路鄭州局集團有限公司鄭州工務機械段的一輛鋼軌打磨車緩緩駛入蘭考南站,準備利用4小時的“天窗”點,對鄭徐客專蘭考至民權區(qū)間的鋼軌進行打磨作業(yè)。

  0時10分許,隨著施工命令下達,打磨車緩緩啟動,映著朦朧的月光,一路向東行進,車輪與鋼軌間隙處,炫美的火花四下飛濺,迅速點亮了漆黑的夜。遠遠望去,兩條鋼軌如璀璨的火龍,相互追逐著向前飛奔。

  “高鐵鋼軌所承受的負荷與沖擊力較普速鐵路要大得多,以前只能靠小型砂輪打磨機對鋼軌進行打磨,不僅勞動強度大,作業(yè)精度和效率也不高?!睋?jù)現(xiàn)場施工負責人、該段維修四車間副主任樂園園介紹,“GMC-96B型打磨車在國內算是最先進的車型,共有96個打磨單元,作業(yè)時速達12km?!彪S著鐵路發(fā)展,機械化程度更高的打磨車逐漸替代了費工費時的人工作業(yè)。目前,鄭州局集團公司管內預防和治理鋼軌病害幾乎都采用機械打磨車。

  “該車型可以把作業(yè)精度控制在0.1毫米左右,能夠有效解決鋼軌波浪磨耗、疲勞裂紋等問題病害,全面提升高鐵運行舒適度和安全性?!?/p>

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