Indexable double-screw pump

The utility model discloses an indexable double-screw pump which comprises a base, a pump cavity is arranged above the base, a packaging body is arranged in the pump cavity, a safety valve is arranged at the top of the pump cavity, a first positioning plate is arranged at the bottom of the base, a s...

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Bibliographische Detailangaben
Hauptverfasser:	LI NI, YUAN DAOXING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an indexable double-screw pump which comprises a base, a pump cavity is arranged above the base, a packaging body is arranged in the pump cavity, a safety valve is arranged at the top of the pump cavity, a first positioning plate is arranged at the bottom of the base, a second positioning plate is arranged at the bottom of the first positioning plate, and the second positioning plate is arranged at the bottom of the second positioning plate. A supporting column is arranged between the first positioning plate and the second positioning plate. The base, the pump cavity, the packaging body, the safety valve, a first positioning plate, a bolt, a second positioning plate, a supporting column, a worm wheel, a limiting seat, a worm, a rotating wheel, a supporting plate, a limiting barrel, a spring, a limiting rod, a limiting protrusion, a clamping block and a clamping groove structure are arranged in the pump body, and when the direction of the pump body needs to be rotated, the limiting