Method and device for dragging out roller used for dragging steel rail below steel rail

The invention discloses a method and a device for dragging out a roller used for dragging the steel rail below a steel rail, and the method comprises the following steps: arranging lifting and sliding mechanisms on two sides of a roller recovery vehicle, lifting a section of steel rail of which two...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YU GUOLIANG, DENG JIANHUA, MO ZIKUN, DUAN QINAN, HUA ZHENGXING, WEI HAIJIN, TIAN QING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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