Pneumatic hydraulic safety system

A pneumatic hydraulic safety system, comprising an air storage tank (4), a pressure switch (9), a two-position two-way switching valve (10), a three-position five-way reversing valve (11), a shuttle valve (12), a two-position two-way pneumatic control valve (13), a pneumatic motor (15), a hydraulic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHI, Feng, TU, Zhiwen, WANG, Lina, HE, Yan, SUI, Wei, LEI, Qingping, TANG, Chuqiang
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A pneumatic hydraulic safety system, comprising an air storage tank (4), a pressure switch (9), a two-position two-way switching valve (10), a three-position five-way reversing valve (11), a shuttle valve (12), a two-position two-way pneumatic control valve (13), a pneumatic motor (15), a hydraulic pump (18), an oil tank (27), a pneumatic control hydraulic valve (22), and a hydraulic cylinder (25.1, 25.2). By means of coordination of the three-position five-way reversing valve (11), the shuttle valve (12), the two-position two-way pneumatic control valve (13), and the pneumatic control hydraulic valve (22), the pneumatic motor (15) is in a stop or start state, and thus expansion or contraction of the hydraulic cylinder (25.1, 25.2) is enabled according to requirements, so that safe operation can be ensured, noise is reduced, the problem of energy waste is solved, and good practicability is achieved because expansion and contraction of the hydraulic cylinder can be switched according to requirements.