Workpiece voltage measurement auxiliary tool

The invention relates to the technical field of auxiliary tools, and discloses a workpiece voltage measurement auxiliary tool which comprises a workbench, an auxiliary structure assembly is arranged on the top of the workbench, and the auxiliary structure assembly comprises adjusting parts arranged on the two sides of the top of the workbench and a driving part arranged between the adjusting parts. The adjusting part comprises a movable rotating disc, a first mechanical arm, a second mechanical arm and a connecting seat, the movable rotating disc is fixedly mounted at the top of the workbench, and a mounting groove is formed in the connecting seat. A workpiece to be measured is placed on the workpiece measuring disc, the lifting air cylinder is started, the lifting air cylinder drives the top cover, the power meter body and the voltage measuring probe disc, and finally the voltage measuring probe is driven to move downwards until a probe head makes contact with a testing point of the workpiece to be measured.