High-flow pilot proportional valve

The utility model discloses a large-flow pilot proportional valve which comprises a connecting block assembly, a reversing control block assembly, a tail plate and a pull rod assembly, and the connecting block assembly, the reversing control block assembly and the tail plate are fixedly connected th...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN LIFENG, ZHAO NANSHAN, CHEN JUN, SHANG ZENGWEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a large-flow pilot proportional valve which comprises a connecting block assembly, a reversing control block assembly, a tail plate and a pull rod assembly, and the connecting block assembly, the reversing control block assembly and the tail plate are fixedly connected through the pull rod assembly. The reversing control block assembly comprises a reversing control block body, first-stage proportional pressure reducing valves, second-stage proportional pressure reducing valves and a double-end electromagnet, the two first-stage proportional pressure reducing valves are arranged on the right side end face of the reversing control block body, and the first-stage proportional pressure reducing valves are matched with the double-end electromagnet at the right end of the reversing control block body; the two second-stage proportional pressure reducing valves are arranged at the top end of the reversing control block body, and a control oil port of each second-stage proportional pressure