发明名称 EXCESS EXCAVATION CONTROLLER FOR SHIELD EXCAVATOR
摘要 PURPOSE: To keep the outbreak quantity within the required limits to reduce construction cost by optionally selecting the operating stroke and operating range of a copy cutter patterned by the combination of a plurality of copy cutter dividing cams. CONSTITUTION: A plurality of copy cutter dividing cams 21, 22, 23, 24 with cam parts equally divided in the circumferential direction with a copy cutter as a cardinal point are fitted to a rotating shaft 14 of a cutter head. The operating range of the copy cutter is previously provided as a large number of patterns by the combination of the copy cutter dividing cams and optionally selected by the operation of toggle switches 37... of a control panel 35. The outbreak pattern based on this selection is displayed on the control panel 35 by indicating lamps 36. The stroke of the copy cutter is made variable and optionally set by the operation of handles 46, 47 of a meter relay 45 of the control panel 35.
申请公布号 JPH01121495(A) 申请公布日期 1989.05.15
申请号 JP19870276779 申请日期 1987.10.31
申请人 MITSUI ENG & SHIPBUILD CO LTD 发明人 SATO EIZO
分类号 E21D9/087;E21D9/06;E21D9/08;E21D9/093 主分类号 E21D9/087
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