Fastening mechanism for tower bolts of wind turbine generator

The invention discloses a fastening mechanism for a tower bolt of a wind turbine generator. The fastening mechanism comprises a moving device, a driving wrench, a sleeve and a coaxial recognition device. The moving device is used for adjusting the position of the driving wrench, the sleeve is used for sleeving a bolt, and the driving wrench is used for applying torque to the sleeve sleeving the bolt and tightening the bolt; the coaxial recognition device is installed in the driving wrench, and the working end of the coaxial recognition device is located at the bottom of the driving end of the driving wrench. The coaxial recognition device is electrically connected to the moving device and used for driving the moving device and enabling the sleeve and the bolt to be coaxial. According to the technical scheme, the fastening mechanism for the tower cylinder bolt of the wind turbine generator can effectively solve the problems that according to an existing bolt detecting and fastening device, the bolt is difficul