Tunnel boring machine

Tunnel boring machine comprising a transmission housing (11) which during boring is fixed relative to the tunnel. The boring head (15) is axially displaceable relative to an outgoing shaft (14) of the transmission housing while transferring torque from the outgoing shaft to the boring head. A number...

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Bibliographic Details
Main Authors HARTWIG, CARL SVERKER MAGNUSSON, EMANUELSSON, KAJ BENGT INGEMAR
Format Patent
LanguageEnglish
French
German
Published 22.06.1994
Edition5
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:Tunnel boring machine comprising a transmission housing (11) which during boring is fixed relative to the tunnel. The boring head (15) is axially displaceable relative to an outgoing shaft (14) of the transmission housing while transferring torque from the outgoing shaft to the boring head. A number of fluid cylinders (16) are arranged between the transmission housing and a bearing housing (19,30) for the boring head in order to press the boring head against a tunnel front.
Bibliography:Application Number: EP19890850421