Hydropneumatic suspension with levelling for vehicles, especially for completely suspended vehicles

Hydropneumatic level-controlled axle suspension for the front and rear axles on vehicles, in particular on vehicles with large axle load spreads, with two double-acting hydraulic suspension cylinders (2,3), whose cylinder spaces (4,5) are each connected to a first pressure accumulator (10,11) and whose piston rod side annular spaces (6,7) are connected to a second pressure accumulator (18), wherein the axle suspension for the front (39) and rear axle (40) is designed as a switchable dual-function axle suspension, so that each axle (39,40) can be switched either as a pendulum axle (in the cylinder cross-connection) or as a stabilizing axle (in the cross-connection).