HYDRAULIC CONTROLLER OF VEHICLE FOR HIGH LIFT WORK

PROBLEM TO BE SOLVED: To efficiently drive a boom and a generator by limited engine output. SOLUTION: In a vehicle for high lift work, having a hydraulic driving source 41 on the body and for lifting a workbench 8 by oil pressure of a hydraulic pump 43 to be driven by power on the basis of an operat...

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Bibliographische Detailangaben
1. Verfasser:	SAIKI NORIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ELECTRICITY FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERATION HAULING HEATING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD HYDRAULICS OR PNEUMATICS IN GENERAL LIFTING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To efficiently drive a boom and a generator by limited engine output. SOLUTION: In a vehicle for high lift work, having a hydraulic driving source 41 on the body and for lifting a workbench 8 by oil pressure of a hydraulic pump 43 to be driven by power on the basis of an operation command from an operating device 20 is provided with a generator 50 for generating electric power by oil pressure of the hydraulic pump 42 to be driven by the hydraulic driving source 41, a passage selector valve 45 for feeding generated oil pressure to the generator 50, and a foot switch 25 for making the boom operation by the operating device 20 available by being depressed. When depressing of the foot switch 25 is released and the operation by the operating device 20 is switched to invalid, the passage selector valve 45 is switched, and the generator 50 is driven.