发明名称 |
Underground boring machine employing navigation sensor and adjustable steering |
摘要 |
An excavation system includes a cutting tool coupled to a drill pipe, an adjustable steering mechanism provided on or in the cutting tool, and a driving apparatus coupled to the drill pipe for moving the cutting tool along an underground path. The system further includes a navigation sensor system and a controller. The controller produces a control signal to adjust one or both of the steering mechanism and the driving apparatus for directing the cutting tool along the underground path in accordance with one or both of position information and orientation information produced by the navigation sensor system.
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申请公布号 |
US2003111268(A1) |
申请公布日期 |
2003.06.19 |
申请号 |
US20020304185 |
申请日期 |
2002.11.25 |
申请人 |
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发明人 |
ALFT KEVIN L;DRAPER GREGORY W;KELPE HANS |
分类号 |
E21B7/04;E21B7/08;E21B44/00;E21B47/022;(IPC1-7):E21B7/08 |
主分类号 |
E21B7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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