Auxiliary disassembling tool and method for gourd in wind wheel of wind generating set

The invention discloses an auxiliary disassembling tool for a gourd in a wind wheel of a wind generating set. The auxiliary disassembling tool comprises a lifting device base and a stair assembly. The lifting device base comprises a bottom plate provided with two vertical plates. A shaft used for installing the gourd is arranged between the other sides of the vertical plates. Installation plates are arranged on the two sides of the two vertical plates. The stair assembly is connected with the installation plates in a fastened mode. The invention further discloses a disassembling method correspondingly. The disassembling method comprises the steps that S01, a fan is stopped to a normal stopping position; S02, the lifting device base is installed on a hub body, and the stair assembly is connected with the lifting device base; S03, the wind wheel is rotated, thus the auxiliary disassembling tool is located over a wind wheel lifting hole, and the gourd is installed on the lifting device base through the stair ass