The invention relates to a folding cover experiment device for a pulsator washing machine; the folding cover experiment device has the advantages that the structure is simple, and the use cost is reduced. The folding cover experiment device has the technical scheme that the folding cover experiment device is characterized by consisting of a test equipment box body (34), an electric control device (35), a driving device and a swinging arm device, wherein the electric control device (35) and the driving device are arranged in the test equipment box body (34), the electric control device (35) is respectively connected with the driving device and the swinging arm device, the driving device is connected with the swinging arm device, the swinging arm device consists of a small arm (1) and a large arm (6), a hinge shaft (3) with a bearing is arranged on the small arm (1), an air cylinder (8) is arranged on the large arm (6), and the small arm (1) and the large arm (6) are connected with the hinge shaft (3) with the bearing through the air cylinder (8).