Automatic control system for speed regulating valve in combination valve of steel bar tension machine

The utility model relates to an automatic control system for a speed regulating valve in a combination valve of a steel bar tension machine, comprising a pressure sensor, a central processor and a driving mechanism for a hydraulic combination valve. The automatic control system for the speed regulat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIN XIAOLEI, TONG HUAPING, ZHUANG SHAOQIANG, CHEN BAO, CHEN LIN
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 relates to an automatic control system for a speed regulating valve in a combination valve of a steel bar tension machine, comprising a pressure sensor, a central processor and a driving mechanism for a hydraulic combination valve. The automatic control system for the speed regulating valve in the combination valve of the steel bar tension machine is characterized in that the output end of the pressure sensor is connected with the central processor, and the output end of the central processor is provided with a signal wire used for controlling the valve driving mechanism for the hydraulic combination valve; and the signal wire is a control wire for controlling a driving mechanism of the speed regulating valve. The automatic control valve for the speed regulating valve in the combination valve of the steel bar tension machine effectively overcomes the prestress fluctuation caused by the leakage of the combination valve, thereby achieving the purpose of accurately controlling the prestress.