Generator starting device for charging storage battery of fire pump

The utility model discloses a generator starting device for charging a storage battery of a fire pump, which comprises a starting power supply, and a starter and a self-resetting starting switch which are connected in series in an electric loop of the starting power supply, and the self-resetting starting switch is used for switching on or switching off the electric loop; the self-resetting starting switch comprises normally open contacts, an electric conductor and delay ejection pieces, the two normally open contacts are connected in an electric loop in a disconnected mode and arranged on the fixing base, the electric conductor movably moves on the fixing base and makes conductive contact with or is far away from the two normally open contacts, and the interval between the delay ejection pieces and the normally open contacts is arranged. When the electric conductor is in contact with the two normally-open contacts, the delay ejection piece delays to push the electric conductor to be separated from the normal