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1. 发明授权

US07481168B2 Off-track railroad track undercutter apparatus 失效
标题翻译：离轨铁路切割机
公开(公告)号：US07481168B2
公开(公告)日：2009-01-27
申请号：US11100775
申请日：2005-04-07
申请人： Lawrence Glenn Pike , Darin Glenn Pike , Cody Lee Holman
发明人： Lawrence Glenn Pike , Darin Glenn Pike , Cody Lee Holman
IPC分类号： E01B29/06 , E02F5/22
CPC分类号： E01B27/04
摘要： An undercutter apparatus for scooping out contaminated gravel from beneath railroad tracks is designed for use off of the rail road tracks. It can be used when the grade of the ground adjacent to the railroad tracks is quite different from the grade of the railroad tracks. The apparatus includes a control head mounted on an excavator with the control head carrying hydraulically operated means for pivoting the undercutter bar 180° about a vertical axis; for pivoting the distal end of the undercutter bar up and down relative to the proximal end of the undercutter bar approximately 60° above or below in normal horizontal position; and for driving a continuous loop undercutter chain around the undercutter frame for dragging out the contaminated gravel. The undercover apparatus can be a locked into any selected position within these ranges of motion controlled by the control head, or additional positions controlled by operation of the excavator boom and used in that position.
摘要翻译：用于从铁轨下方舀出被污染的砾石的切割器设备被设计用于铁路道路上的使用。当轨道相邻的地面的等级与铁路轨道的等级有很大不同时，可以使用。该装置包括安装在挖掘机上的控制头，控制头承载液压操作装置，用于使切割器杆围绕垂直轴线旋转180°; 用于使下切割器杆的远端相对于切割器杆的近端上下相对于正常水平位置大约60°以上; 并且用于驱动围绕切割器框架的连续循环下切割链，以拖出受污染的砾石。底盖装置可以锁定在由控制头控制的运动范围内的任何选定位置，或由挖掘机吊臂的操作控制的附加位置并用于该位置。

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