Control method of pile driver and hydraulic system of pile driver

The invention discloses a control method of a pile driver and a hydraulic system of the pile driver. The control method comprises the steps that when the pile driver performs pile driving, a pressure value acting on the vibratory hammer is detected, when the detected pressure value exceeds a pressur...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAO YUNFEI, DONG LIDUI, WANG KAI, ZHANG XUEQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a control method of a pile driver and a hydraulic system of the pile driver. The control method comprises the steps that when the pile driver performs pile driving, a pressure value acting on the vibratory hammer is detected, when the detected pressure value exceeds a pressure set value, the pressure value acting on the vibratory hammer is controlled to be reduced, meanwhile, the exciting force of the vibratory hammer is detected, and when the exciting force is detected to reach a preset range, the pressure value acting on the vibratory hammer is controlled to stop being reduced; when the pile driver pulls a pile, a tension value acting on the vibratory hammer is detected, when the detected tension value exceeds a tension set value, the tension value acting on the vibratory hammer is controlled to be reduced, meanwhile, the exciting force of the vibratory hammer is detected, and when the exciting force is detected to reach a preset range, the tension value acting on the vibratory hamme