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    • 60. 发明专利
    • SEGMENT ERECTOR DEVICE
    • JPH1018788A
    • 1998-01-20
    • JP17080596
    • 1996-07-01
    • MITSUBISHI HEAVY IND LTD
    • HACHISUGA YOSHITAKAMATSUMOTO TAKAO
    • E21D11/40
    • PROBLEM TO BE SOLVED: To turn and reverse a segment so as to be opposed to the internal wall surface by supporting a segment holding grip so as to be movable in the directions of X-Y axes and to be turnable around an axis in an excavating direction and an orthogonal axis. SOLUTION: An erector device 21 is provided with a grip 47, moved and rotated while gripping a segment G3, at the rear drum of a shield machine. A vertical moving body 25 can be moved in a Y-direction by a hydraulic motor 26. A lateral moving body 29 is movably supported to the vertical moving body 25. A turning body 32 is supported to the lateral moving body 29 so as to be turnable around an axis O in an excavating direction. A first reversing body 40 is supported to the turning body 32 rotatably by a specified angle around an axis orthogonal to the excavating direction. A second reversing body 42 is supported rotatably around an axis T orthogonal to the rotational axis of the first reversing body 40, and the grip 47 for holding the segment is mounted to the second reversing body 42. The grip 47 is therefore moved vertically and horizontally in a tunnel to receive the segment G3 and can be turned to reverse in an erecting position.