TUNNEL EXCAVATOR FOR SHAFT

PROBLEM TO BE SOLVED: To provide a tunnel excavator for a shaft capable of improving earth removal efficiency of excavation muck, by surely taking the excavation muck in a cutting face inside a machine body. SOLUTION: This tunnel excavator comprises a cutter wheel 4 having a disc cutter 15 for excav...

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Hauptverfasser: MITANI NORIO, MORIOKA KYOICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a tunnel excavator for a shaft capable of improving earth removal efficiency of excavation muck, by surely taking the excavation muck in a cutting face inside a machine body. SOLUTION: This tunnel excavator comprises a cutter wheel 4 having a disc cutter 15 for excavating the cutting face and a bucket 16 for scooping up the excavation muck Z in the cutting face, a cutter wheel support 5 for rotatably supporting the cutter wheel 4 around the X axis, a machine body frame 6 for rotatably supporting the cutter wheel support 5 around the Y axis, a first rotational driving device 26 for rotatingly driving the cutter wheel 4, a second rotational driving device 29 for rotatingly driving the cutter wheel support 5, a jacking device 35 for jacking the machine body frame 6 in the boring advancing direction, and an excavation muck carrying device 39 for carrying out the excavation muck Z scooped up in the cutter wheel 4 by the bucket 16. COPYRIGHT: (C)2006,JPO&NCIPI