Tube pore locking device

The utility model relates to a tube pore locking device. At present, an effective tube pore locking device for onsite repair to a tubular heat exchanger does not exist, which results in difficulties in the repair work, and the inner pore wall of the tube is easy to be damaged. The utility model is c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TINGHUA GUO, WEN'E FENG
Format:	Patent
Sprache:	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 utility model relates to a tube pore locking device. At present, an effective tube pore locking device for onsite repair to a tubular heat exchanger does not exist, which results in difficulties in the repair work, and the inner pore wall of the tube is easy to be damaged. The utility model is characterized in that the middle part of a locking bar is provided with a pair of front and back lock sleeves, a mid taper sleeve is arranged between the front and the back lock sleeves, and conical surfaces of both sides of the mid taper sleeve respectively fit the conical surfaces corresponding with the front and the back lock sleeves; a back taper sleeve is arranged between a screw cap and the back lock sleeve, and the conical surface of one end of the back taper sleeve fits the conical surface corresponding with the back lock sleeve. The utility model is suitable for use as an auxiliary tool for carrying out onsite repair work to heat exchangers of chemical equipment.