SEALING SYSTEMS FOR TUNNEL BORING MACHINE

The invention provides improved sealing systems for tunnel boring machine used for tunneling underwater ground as well as for the convenience of changing cutters. The improved sealing systems for tunnel boring machine includes gate sealing system , rotary gap sealing system ,cutter-box sealing syste...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WANG, ANNIE X. J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CYLINDERS EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING PISTONS SEALINGS SHAFTS THERMAL INSULATION IN GENERAL TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides improved sealing systems for tunnel boring machine used for tunneling underwater ground as well as for the convenience of changing cutters. The improved sealing systems for tunnel boring machine includes gate sealing system , rotary gap sealing system ,cutter-box sealing system , main drive sealing system which are available to provide the worker with a safe space to change the cutter when extreme worse ground condition applies, especially under pressured-water ground condition, and meanwhile balance the earth pressure surrounding the cutting head of the tunnel boring machine.