Pneumatic control system and gantry type hydraulic machine

The invention discloses a pneumatic control system and a gantry type hydraulic machine, the pneumatic control system comprises an air cylinder, a switching device, a blocking switch and a communicating pipeline, a piston rod of the air cylinder is used for being in transmission connection with a con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DING YANQI, XIE JING, ZHAO YUANKANG, YANG YONGXIN, LYU JIE, XIE SHANGXU
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 invention discloses a pneumatic control system and a gantry type hydraulic machine, the pneumatic control system comprises an air cylinder, a switching device, a blocking switch and a communicating pipeline, a piston rod of the air cylinder is used for being in transmission connection with a control valve so as to drive the control valve to move on the moving stroke of the piston rod; the switching device is used for switching one of the two cavities of the air cylinder to be communicated with the air compressor, and the other cavity of the air cylinder to be communicated with the atmosphere. The blocking switch is arranged on the hydraulic pressure head; the communicating pipeline comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline is used for communicating one of the cavities of the air cylinder with the switching device, the second pipeline is used for communicating the other cavity of the air cylinder with the blocking switch, and the third pipeline is used for commu