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    高鐵檢修“黑科技” 昌福鐵路進入“改弦”模式

    時間:2019-06-12 16:11:21 來源:人民鐵道網 作者:
    \
    航拍夜間作業的檢修列車 李金明攝
     
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    正在隧道內檢修的JJC型檢修列 王衛新 攝
     
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    兩人配合更換吊弦 張志霞 攝
     
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    接觸網工在隧道更換吊弦 胡鵬 攝
     
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    接觸網工在拆除舊吊弦 胡鵬 攝
     
      人民鐵道網訊 (通訊員胡鵬 王衛新)浙江溫州到福建福州的“溫福鐵路”目前開通已近十年,為了保證動車正常平穩運行運行,中國鐵路南昌局集團有限公司福州供電段接觸網工正在進行一場“改弦”工作,他們需要對段管內約10萬根吊弦完成更換,不僅數量多,而且難度大。
      
      給接觸網“換弦”,看上去就是一個拆裝工作。為了保證接觸線的平順性,每一根吊弦的長度、安裝位置都不能有偏差。更換吊弦前,接觸網工們必須測量992條公里的接觸網幾何參數,經過計算確認每根吊弦的長度,提前預制完成,才能更換。安裝時還必須嚴格遵守安裝方法,誤差不能超過10mm,否則將影響設備和列車的正常運行。
      
      為保證“換弦”任務的順利完成,兩列最新型的JJC新接觸網檢修列車參與作業。這種新型檢修列車,就像一條移動的“航母”。搭配上其他的接觸網作業平臺車、梯車,形成一個作業群,一次可以容納近百人同時作業。整列檢修列全長220米,擁有175米長的作業平臺,配有51處視頻、語音監控系統,一次起停車可對175米長的接觸網集中檢修,檢修效率是平常作業的4至5倍。
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    2、凡本網注明 “來源:XXX(非人民鐵道網)” 的作品,均轉載自其它媒體,轉載目的在于傳遞更多信息,并不代表本網贊同其觀點和對其真實性負責。
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