TBM main drive floating type dustproof system

The invention discloses a TBM main drive floating type dustproof system. The TBM main drive floating type dustproof system comprises a fixed sealing piece and a sliding sealing piece; the fixed sealing piece is an annular fixed disk connected with a shield of a TBM; an annular guiding groove is form...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG XIAO, ZHANG SHIZHAN, ZHANG WENYAN, ZHAI GUOQIANG, CHEN WEIMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a TBM main drive floating type dustproof system. The TBM main drive floating type dustproof system comprises a fixed sealing piece and a sliding sealing piece; the fixed sealing piece is an annular fixed disk connected with a shield of a TBM; an annular guiding groove is formed in the circumferential face of the inner side of the annular fixed disk; the sliding sealing piece is an annular sliding disk which is arranged on the inner side of the annular fixed disk; the outer side of the annular sliding disk is located in the annular guiding groove; the annular sliding disk can slide by a certain range in the up, down, left and right directions of the annular guiding groove; the circumferential face of the inner side of the annular sliding disk is in clearance fit with a main drive box of the TBM; the circumferential face of the inner side of the annular sliding disk and the two end faces of the outer side of the annular sliding disk are each provided with an annular sealing ring groove;