PURPOSE: To provive a fuel housing cylinder erecting device by which a refueling machine is downsized while erecting always a fuel housing cylinder of the refueling machine.

CONSTITUTION: A fuel housing cylinder erecting device is composed of a connecting shaft 9 supported rotatably freely with a main arm 4 along a side surface of the main arm 4, the first bevel gear 7 composed of one bevel gear installed in an end part of a main arm pin 4a and the other bevel gear installed on the connecting shaft 9 and the second bevel gear 8 composed of one bevel gear installed in an end part of a fuel housing cylinder pin 3a and the other bevel gear installed in an end part of the connecting shaft 9, and since one bevel gear of the first bevel gear 7 and one bevel gear of the second bevel gear 8 rotate by the same angle mutually in the inverse direction, refueling can be conducted while erecting always a fuel housing cylinder 3.