Auxiliary device for calibrating measuring vessel special for fuel oiling machine

The utility model relates to an auxiliary device for calibrating a measuring vessel special for a fuel oiling machine. The measuring vessel special for the fuel oiling machine comprises a top liquid injection opening, a liquid cavity, a liquid drainage valve and a graduated scale. The auxiliary device comprises a top plate, a bottom plate, a liquid storage bin, supporting columns, adjustable supporting legs, a liquid taking pipe, an upper liquid pouring pipe, a lower liquid pouring pipe and a pump. The auxiliary device is simple in structure, manual moving operation in the verification process is avoided, the adjustable supporting legs have the fixing function and the leveling function, and then the verification conditions of the auxiliary device are guaranteed; the liquid storage bin is sealed by the bottom plate, so that the water quality is prevented from being polluted by the external environment; water adopted by the verification liquid is very convenient to take, and meanwhile, the interior of the liqui