Apparatus for the energy-optimized hydraulic control of at least one double-action working cylinder

摘要

April 29, 2016 01256 - 01259-16 La/sm Liebherr-Mining Equipment Colmar SAS FR-68025 Colmar Cedex Apparatus for the energy-optimized hydraulic control of at least one double-action working cylinder Abstract The invention relates to an apparatus for the energy-optimized hydraulic control of at least one double-action working cylinder of a work machine comprising a hydrau lic pressure transducer which is hydraulically connected to a first piston surface of the working cylinder, to a second piston surface of the working cylinder and to at least one pressure accumulator, wherein the pressure transducer is configured such that the hydraulic energy of a high-pressure volume flow conveyed by the first piston surface to the pressure transducer can be stored completely or at least par tially by the at least one connected pressure accumulator and such that the cylinder chamber of the second piston surface of the working cylinder can be filled with a low-pressure volume flow by the pressure transducer. Al --6--