Hydraulische Steueranordnung für eine mobile Arbeitsmaschine insbesondere für einen Radlader

The invention relates to a hydraulic control system for use predominantly for a mobile working machine, especially a wheel loader, comprising at least one hydraulic cylinder (12) which helps to move the working tool, a distribution valve (11) for controlling the pressure channels between the hydraul...

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Bibliographic Details
Main Authors ROTH, DIETER, 36381 SCHLUECHTERN, DE, RAUSCH, GEORG, 97816 LOHR, DE
Format Patent
LanguageGerman
Published 01.10.1998
Edition6
Subjects
BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
DREDGING
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
WEAPONS
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Summary:The invention relates to a hydraulic control system for use predominantly for a mobile working machine, especially a wheel loader, comprising at least one hydraulic cylinder (12) which helps to move the working tool, a distribution valve (11) for controlling the pressure channels between the hydraulic cylinder (12), a pressure source and a tank (27), a hydraulic accumulator (21) which can be connected to the pressure source via a filling line (20) and a control valve (50, 60, 75). Said control valve provides the means for controlling the opening and closing of a connection between the hydraulic accumulator (21) and the hydraulic cylinder (12). The aim of a hydraulic control system of this type is to avoid unwanted movements of the hydraulic cylinder. According to the invention, the inventive hydraulic accumulator can only be filled up when the distribution valve is activated in order to achieve this aim.
Bibliography:Application Number: DE19971011769