Assembling device for spindle and gear box of wind driven generator

The utility model relates to an assembling device, in particular to an assembling device for a spindle and a gear box of a wind driven generator. The technical scheme is that the assembling device for the spindle and the gear box of the wind driven generator comprises an installing support, a gear box installing assembly and a spindle installing assembly. The gear box installing assembly and the spindle installing assembly are oppositely installed on the installing support. The gear box installing assembly comprises a gear box support and a gear box installing frame arranged on the gear box support. The spindle installing assembly comprises a spindle support and a spindle installing frame arranged on the spindle support. The spindle installing frame comprises a sliding support, a spindle fixing support and a spindle fixing piece, wherein the sliding support which is in guide rail and guide groove connection with the spindle support can carry out reciprocating sliding towards the gear box installing frame, and the spindle fixing support and the spindle fixing piece are arranged on the sliding support. The assembling device for the spindle and the gear box of the wind driven generator can avoid damage of the spindle and the gear box in installation and is high in assembling accuracy and convenient to operate.