Fatigue and high-pressure-resisting testing table for hydraulic valve

The invention discloses a fatigue and high-pressure-resisting testing table for a hydraulic valve and relates to the field of fatigue and high-pressure-resisting testing of hydraulic valves. A motor (2) drives a hydraulic pump (1) and provides a power source for a testing system. An overflow valve s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG QIXIN, LIANG RUOSHUANG, YU CAIXIN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a fatigue and high-pressure-resisting testing table for a hydraulic valve and relates to the field of fatigue and high-pressure-resisting testing of hydraulic valves. A motor (2) drives a hydraulic pump (1) and provides a power source for a testing system. An overflow valve set (4) is used for adjusting the highest pressure and unloading of the system. A proportional overflow valve (6) is used for adjusting the testing pressure practically needed. A servo valve (9) can be used for achieving high-speed oil way switching, used for controlling the movement direction and speed of a supercharging cylinder and provides a pulse pressure signal and a pressurizing signal for the supercharging cylinder. The supercharging cylinder (10) has a pressure amplifying function, and high-pressure testing pressure pulses are generated under the effect of pulse pressure signals of the servo valve. A pressure sensor b (13) is used for collecting pressure pulse signals and transmitting the pressure pulse sig