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    • 10. 发明申请
    • SYSTEM FOR MEASURING EXCAVATION POSITION OF UNDERGROUND EXCAVATOR
    • 用于测量地下挖掘机的挖掘位置的系统
    • WO1992016720A1
    • 1992-10-01
    • PCT/JP1992000290
    • 1992-03-11
    • KABUSHIKI KAISHA KOMATSU SEISAKUSHOYAMAGUCHI, HiroakiOKAMOTO, Akira
    • KABUSHIKI KAISHA KOMATSU SEISAKUSHO
    • E21D09/00
    • E21B47/02224E21B47/02216G01V3/26
    • A system for measuring an excavation position for measuring a position of an underground excavator with high accuracy by advantageously utilizing fluctuation errors which are difficult to be removed. The system comprises: a plurality of magnetic field generating devices (2) provided at known positions outside the underground excavator; a magnetic field detecting device (3) provided in the underground excavator; and a microcomputer (4) connected to the above-described devices (2, 3). The microcomputer (4) drives the above-described devices (2, 3) on the basis of an allowable error in displacement, which is specified and input to the microcomputer (4) by an operator and outputs an excavation position of the underground excavator (1) within a scope of the aforesaid allowable error. As for the aforesaid allowable error to be specified and input, a magnetic field generating device previously selected by the operator or an allowable error previously selected by the operator will serve the purpose.
    • 用于通过有利地利用难以去除的波动误差来测量挖掘位置以用于高精度地测量地下挖掘机的位置的系统。 该系统包括:设置在地下挖掘机外部已知位置的多个磁场产生装置(2); 设置在地下挖掘机中的磁场检测装置(3); 以及连接到上述装置(2,3)的微型计算机(4)。 微型计算机(4)基于由操作者指定并输入到微型计算机(4)的位移容许误差驱动上述装置(2,3),并输出地下挖掘机的挖掘位置( 1)在上述允许误差的范围内。 对于要指定和输入的上述允许误差,由操作者预先选择的磁场产生装置或由操作者先前选择的容许误差将用于该目的。