Linear motor rotor assembly, linear motor and power equipment

The utility model discloses a linear motor mover assembly, a linear motor and a power device, the linear motor mover assembly is used for being installed on the power device, the power device is provided with a mover installation surface, the linear motor mover assembly comprises at least two iron core units, the at least two iron core units are sequentially arranged along the length direction of the linear motor mover assembly, each iron core unit is provided with a matching surface matched with the rotor mounting surface, the matching surface is provided with a main beam groove, the main beam groove comprises a first groove and a second groove which are connected in sequence, and the width size of the first groove in the length direction of the linear motor rotor assembly is smaller than that of the second groove; and at least part of the main beam is matched in the second groove, and the main beam is connected with the rotor mounting surface. According to the utility model, the flatness of a mounting surfa