Apparatus for setting and removing tunnel casing rings

Details Apparatus for setting and removing tunnel casing rings Apparatus for setting and removing tunnel casing rings

1985-04-23

1986-09-23

Taylor, Dennis L.

Hydraulic and earth engineering

Miscellaneous

405146, 405151, E21D 1140

Patent

active

046132589

ABSTRACT:
An apparatus for moving casing rings of an interior casing in tunnels, shafts and the like structures is disclosed. The apparatus includes a tubular support bridge structure arranged interiorly with respect to the inner casing, and a longitudinally movable transport carriage with carriage support ring which concentrically surrounds the support bridge structure. The apparatus also includes a segment support ring which carries adjustment manipulator assemblies for a respective casing ring. The segment support ring can be inclined with respect to the carriage support ring. A first intermediate support ring is mounted between the carriage support ring and the segment support ring. The connection for this includes cross guide assemblies and two pairs of control piston-cylinder assemblies. The control piston-cylinder assemblies serve to actuate the first intermediate support ring. A second intermediate support ring is generally arranged between the first intermediate support ring and the segment support ring, and in the first intermediate support ring in such a way that it can be rotated. The segment support ring can be connected to a respective second intermediate support ring by way of a fixed point and two pendulum piston-cylinder assemblies, whereby the latter are spaced from one another and from the fixed point by an equal distance. The apparatus is of simple configuration and affords a simpler hydraulic assembly than hitherto known.

REFERENCES:
patent: 3266257 (1966-08-01), Larrouze et al.
patent: 3377105 (1968-04-01), Wallers
patent: 3382002 (1968-05-01), Tabor
patent: 3561223 (1971-02-01), Tabor
patent: 3905645 (1975-09-01), Bland

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