Electric fatigue tester for auto parts

The utility model relates to an electric fatigue tester for auto parts. The electric fatigue tester comprises a frame, a control box, a driving mechanism and a force sensor. The driving mechanism is fixed on the frame, the force sensor is connected to the output shaft of the driving mechanism, and the driving mechanism and the force sensor are both electrically connected with the control box. The frame is provided with a guide groove and a horizontal bar, the horizontal bar is fixed in the guide groove and can slide along the guide groove, and a horizontal-vertical adjusting device is fixed on the horizontal bar. The driving mechanism is a planetary servo electric cylinder, the planetary servo electric cylinder is connected with the horizontal-vertical adjusting device and can rotate by taking the horizontal bar where the horizontal-vertical adjusting device is arranged as an axis, the output shaft of the planetary servo electric cylinder is connected with the force sensor, and the control terminal of the planetary servo electric cylinder is electrically connected with the control box. The control box controls the planetary servo electric cylinder to move and acquires the data sensed by the force sensor. In the electric fatigue tester for the auto parts, the planetary servo electric cylinder serves as the driving mechanism of the electric fatigue tester, the structure of the electric fatigue tester is simplified, the output torque is increased, and the electric fatigue tester can be maintained conveniently.