According to the present invention, a fuel filling robot loading system comprises: a base platform coming in contact with the ground; a loading arm comprising a first link formed in the upper part of the base platform to be slid forward and backward in an Y-axis direction, and at least one link formed at one end of the first link to be rotated around the Y-axis; an injection hose flange formed at one end of the loading arm to be rotated around the Y-axis, and combined with a flexible injection hose into which fuel is injected; a nozzle part formed at the front end of the injection hose flange to be connected to the injection hose, and formed opposite an inlet of a filling target; a position sensor part combined with the rear end of the nozzle part and sensing the position of the inlet; and a connector combined with the front end of the nozzle part and fastening or releasing the nozzle part with or from the inlet. Since the nozzle part is inserted into the position of the inlet sensed by the position sensor part and fastened by the connector to inject fuel, the system is capable of unmanning a fuel filling procedure through a robot loading arm and quickly conducting the fuel filling procedure through a position optimization algorithm built for an inlet of an injection target.;COPYRIGHT KIPO 2020
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