Patent ID: 8915075

Claim:
A hydraulic control arrangement for a forklift comprising at least two hydraulic loads ( 10 , 12 , 14 ) which can be supplied with pressure fluid by a pump in response to a maximum load pressure, wherein one of the hydraulic loads ( 10 , 12 , 14 ) is a lifting cylinder ( 10 ) provided for lifting a load of the forklift and another one of the hydraulic loads ( 10 , 12 , 14 ) is a tilting cylinder ( 12 ) provided for tilting a boom of the forklift and another one of the hydraulic loads ( 10 , 12 , 14 ) is a displacement cylinder ( 14 ) for laterally displacing the boom, wherein a pressure fluid volume flow to the lifting cylinder ( 10 ) and a pressure fluid volume flow to at least one of the tilting cylinder ( 12 ) and the displacement cylinder ( 14 ) are each defined via a respective inflow metering orifice ( 36 , 44 ) and a load-pressure independent flow distribution (LUDV) pressure regulator ( 38 , 46 ) allocated thereto, which is pressurized in an opening direction by a pressure downstream of the allocated inflow metering orifice ( 36 , 44 ) and in a closing direction by a pressure approximately corresponding to the maximum load pressure, characterized in that in a return line from the lifting cylinder ( 10 ), an LS valve ( 50 ) including an LS metering orifice ( 52 ) and an LS pressure regulator ( 54 ) is arranged for controlling lowering the load of the forklift, and wherein the tilting cylinder ( 12 ) and the displacement cylinder ( 14 ) are associated with a joint load-pressure independent flow distribution (LUDV) valve ( 34 ).