Bearing assembly tool of doubly-fed generator for wind turbine generator and assembly method of bearing assembly tool

The invention discloses a bearing assembly tool and method of a doubly-fed generator for a wind turbine generator, relates to the technical field of wind power generation equipment, and solves the problems that in the bearing assembly process of the doubly-fed generator, an inner ring of a bearing is not tightly attached to a shaft shoulder, and the bearing is not assembled rightly. The nylon pressing ring is connected with one end of the adjusting screw rod, the other end of the adjusting screw rod is connected with the channel steel support, an assembling threaded hole is formed in the channel steel support, and the pre-tightening bolt penetrates through the assembling threaded hole in the channel steel support and is connected with the pre-tightening threaded hole in the end of the rotating shaft; the basis for judging the assembly quality of the bearing is defined through the top of the qualified standard; the bearing assembling tool is used for installing the bearing, the labor intensity of operators is