SOIL DISCHARGING DEVICE OF SHIELD DRILLING MACHINE

SOIL DISCHARGING DEVICE OF SHIELD DRILLING MACHINE

PURPOSE:To surely discharge drilled earth and sand so as to improve the working efficiency of a drilling work. CONSTITUTION:In the soil discharging device of a shield machine in which drilled earth and sand by means of the cutter device 12 of the shield machine is fed by means of a force-feed pump 1...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HANMYO YUTAKA, SAKAI KENJI
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:PURPOSE:To surely discharge drilled earth and sand so as to improve the working efficiency of a drilling work. CONSTITUTION:In the soil discharging device of a shield machine in which drilled earth and sand by means of the cutter device 12 of the shield machine is fed by means of a force-feed pump 19 to a force-feed pipe 20 through a screw conveyor 15, a duct 17 is interposed between the screw conveyor 15 and the force-feed pipe 20. A slider body 25 fitted with a screen 30 for catching drilled large gravel 42 is set to be movable between the catching position in the duct 17 and the take-out position outside the duct 17.