Self-sealing pipe-jacking tunnel pipe joint waterproof structure

The invention relates to a self-sealing pipe-jacking tunnel pipe joint waterproof structure which comprises a front pipe joint and a rear pipe joint which are in coaxial butt joint, a first groove is coaxially formed in the rear end face of the front pipe joint in a surrounding mode, a second groove...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DAI RUIPING, ZHANG HENGCHUN, JIN GUANNAN, WU JINGHUA, HUANG XIA, LIU QI, GUO XIAO, HUANG JUANJUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a self-sealing pipe-jacking tunnel pipe joint waterproof structure which comprises a front pipe joint and a rear pipe joint which are in coaxial butt joint, a first groove is coaxially formed in the rear end face of the front pipe joint in a surrounding mode, a second groove is coaxially formed in the front end face of the rear pipe joint in a surrounding mode, the first groove and the second groove are correspondingly arranged, a first sealing ring is installed in the first groove, and a second sealing ring is installed in the second groove. A first sealing ring is installed in the first groove, a second sealing ring is installed in the second groove, the first sealing ring and the second sealing ring are both hot-melt rubber rings, a heating plate ring is fixedly arranged on the second sealing ring in a penetrating mode, an inserting ring groove allowing the heating plate ring to be inserted is formed in the end face, close to the second sealing ring, of the first sealing ring, and