Anti-fatigue testing device for armrest box

The utility model discloses an armrest box anti-fatigue testing device which comprises a workbench, the workbench is provided with a table top, the table top is provided with a first support used for fixedly installing an armrest box, the right side of the first support is provided with a vertically-arranged second support, the top of the second support is fixedly connected with a first air cylinder seat, and the first air cylinder seat is fixedly connected with a first air cylinder. The top of a piston rod of the second air cylinder is fixedly connected with a second air cylinder seat, the second air cylinder seat is fixedly connected with a third air cylinder, and the first air cylinder and the third air cylinder are arranged in the same plane in the extending direction of the piston rod. The sensor is arranged on one side of a piston rod of the first air cylinder, and the first air cylinder, the second air cylinder and the third air cylinder are connected with the control system. The armrest box fatigue te