The invention discloses a RGV transport vehicle. The RGV transport vehicle comprises a walking mechanism, a lifting mechanism, an automatic charging device and a control system, wherein the lifting mechanism comprises a crank connecting rod mechanism, a parallel four-bar mechanism and a swing arm sliding sleeve mechanism; the swing arm sliding sleeve mechanism comprises a pair of swing arms and apair of sliding columns which are vertically arranged, sliding sleeves are slidably connected to the sliding columns, one ends of the swing arms are hinged to the corresponding sliding sleeves, and the other ends of the swing arms are hinged to a parallel movement rod; the automatic charging device comprises a charging socket assembly and a charging plug assembly, wherein the charging plug assembly comprises a guide column and a charging plug, the guide column and the charging plug are in floating connection with a shell, the charging socket assembly is provided with a guide hole and a charging socket, and after the guide column is inserted into the guide hole, the charging plug is inserted into the charging socket; and the control system controls the sequential actions of the walking mechanism, the lifting mechanism and the automatic charging device. According to the RGV transport vehicle, the structure of the RGV transport vehicle is simplified, the reliability is improved, the manufacturing and maintenance cost is lowered, and the handling efficiency and the management efficiency of the whole storage system are improved.