Non-metal straight pipe pressure balance type expansion joint with leakage monitoring function

The utility model provides a non-metal straight pipe pressure balance type expansion joint with a leakage monitoring function, which comprises a front flange, a front middle flange, a rear middle flange, a rear flange, a pull rod structure and a rolling deformation assembly, the front flange is conn...

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Bibliographische Detailangaben
Hauptverfasser:	WEI BAOHENG, HUANG YIPENG, HUANG SHAOJUN, LI SHUANGYIN, YAN TINGLAI, ZHANG DENGYU
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 PIPE-LINE SYSTEMS PIPE-LINES PIPES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a non-metal straight pipe pressure balance type expansion joint with a leakage monitoring function, which comprises a front flange, a front middle flange, a rear middle flange, a rear flange, a pull rod structure and a rolling deformation assembly, the front flange is connected with the rear middle flange through the pull rod structure, and the rear flange is connected with the front middle flange through the pull rod structure. The front middle flange and the rear middle flange are connected in a relative displacement mode. A rolling deformation part is arranged between the front flange and the front middle flange, a rolling deformation part is arranged between the rear flange and the rear middle flange, and the rolling deformation parts can deform in a rolling deformation mode in the left-right direction, so that the front flange and the front middle flange can conduct relative displacement, and/or the rear flange and the rear middle flange can conduct relative displacement. Accor