Ultrahigh-water-pressure long-distance seabed shield tunnel active tool changing structure

The utility model discloses an ultrahigh-water-pressure long-distance seabed shield tunnel active tool changing structure which comprises an offshore operation platform, a preset reinforcing area, a shield tunneling machine and a shield tunneling machine protection structure. The offshore operation...

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Bibliographic Details
Main Authors SONG CHAOYE, LI MINGJUN, LIU PENG, HE WEIGUO, DU BAOYI, DUAN WUZHE, LYU QINGSONG, FAN GUOGANG
Format Patent
LanguageChinese
English
Published 28.02.2020
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses an ultrahigh-water-pressure long-distance seabed shield tunnel active tool changing structure which comprises an offshore operation platform, a preset reinforcing area, a shield tunneling machine and a shield tunneling machine protection structure. The offshore operation platform and the preset reinforcing section are connected through grouting holes; and the shield tunneling machine is arranged in the shield tunneling machine protection structure. A plurality of in-hole supplementing and reinforcing structures are evenly and fixedly arranged on the side face, closeto the end where the cutterhead is located, of the shield tunneling machine protection structure. A secondary supplementary grouting structure is fixedly arranged on the outer surface of the other end, opposite to the cutterhead, of the shield tunneling machine, a plurality of reinforced grouting pipe pieces are fixedly arranged on the inner side of the shield tunneling machine, and a plurality of reserved grouting holes
Bibliography:Application Number: CN201920919830U