Device for erecting a segmented tunnel wall lining

Details Device for erecting a segmented tunnel wall lining Device for erecting a segmented tunnel wall lining

E - Fixed Constructions

21

D

61/64

E21D 11/08 (2006.01) E21D 11/40 (2006.01)

Patent

CA 1045838

DEVICE FOR ERECTING A SEGMENTED TUNNEL WALL LINING A B S T R A C T A device for positioning segments to line a tunnel wall. An axially rotatable drive shaft carries at one end of an articulated arm with pivotably connected upper and lower arm members. A jack interconnects the two arms intermediate their ends. The upper arm member is pivotably connected at its free end to the drive shaft on an axis normal both to the shaft and to the upper arm member, and the arm lies in a plane through the normal axis. Preferably a shoe is detachably connectable to the lower arm member and to a segment to be positioned against the tunnel wall.

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