Tunnel boring machine

Details Tunnel boring machine Tunnel boring machine

E - Fixed Constructions

21

D

262/54

E21D 9/08 (2006.01) E21D 9/10 (2006.01)

Patent

CA 2005870

Abstract: 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. ut188006

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