Hydraulic fastening device for dredging pump pipe

The utility model discloses a dredging pump pipe hydraulic fastening device which comprises a side ring, an oil cavity hole is formed in the front end of the side ring, a sealing plug is fixedly connected to the middle of the interior of the oil cavity hole, a threaded rotating shaft is connected to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN YANG, JIN HYEONG-MIN, YANG ZENGGUO
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 utility model discloses a dredging pump pipe hydraulic fastening device which comprises a side ring, an oil cavity hole is formed in the front end of the side ring, a sealing plug is fixedly connected to the middle of the interior of the oil cavity hole, a threaded rotating shaft is connected to the front end of the sealing plug in an inserted mode, a piston is movably connected to the rear end of the threaded rotating shaft, and the piston is fixedly connected to the front end of the side ring. A hydraulic expansion part is fixedly connected to the interior of the fastening sleeve, and a silt-preventing structure facilitating sealing is arranged at the front end of one side of the side ring. According to the hydraulic fastening device for the dredging pump pipe, the fixing base, the elastic rope, the pinching plate and the external thread rubber plug are arranged, when the hydraulic fastening device is used, the external thread rubber plug is inserted into an oil cavity hole, the pinching plate is pinche