Automatic turnover device for bearing surface defect detection

The utility model relates to an automatic turnover device for bearing surface defect detection, and belongs to the technical field of bearing surface defect detection. In order to solve the problem that an existing automatic turnover device for bearing surface defect detection cannot adjust the transmission speed, the following technical scheme is provided that the automatic turnover device comprises a fixed shell and a protective shell, a first motor is installed on one side of the fixed shell, and a threaded rod is installed at the output end of the first motor; the outer surface of the threaded rod is in threaded connection with a connecting sleeve, a sliding block is installed at the top of the connecting sleeve, and a protective shell is installed at the top of the sliding block. A connecting shell is installed on the front face of the protective shell, two sets of control switches are installed on the front face of the connecting shell, and two sets of transformers are installed in the connecting shell.