Fahrzeug und Verfahren zur Durchführung von Lageraktionen mit Lagereinheiten

The invention relates to a stack-operating vehicle (F) for storing and retrieving storage units (LE), said stack-operating vehicle (F) comprising: a first support device (60) having a first support base (60B) and a first holding device (69) arranged thereon for placing at least one storage unit (LE); a second support device (80) having a second support base (80B), and a second holding device (89) that is movable mounted thereon along a horizontal direction by means of a guiding device for placing at least one storage unit (LE); a vertical guide device (50), on which the first support base (60B) and the second support base (80B) are each guided on an adjustment path along the vertical direction (ZA), wherein the vertical guide device (50) is configured such that the first support base (60B) and the second support base (80B) are superposed, at least overlapping one another, across the entire adjustment paths of the first support base (60B) and the second support base (80B) in the vertical direction (ZA); a first height-adjustment device (70), to which the first support base (60B) is coupled; and a second height-adjustment device (90), to which the second support base (80B) is coupled. The invention further relates to a method for carrying out storage actions with storage units (LE) by means of such a stack-operating vehicle (F).