Abrasion fatigue test device for guide seat of fixed car lifting jack

A fixed car lifting jack guide seat wear fatigue test device disclosed by the present invention comprises a test bed, a test box and a driving mechanism, the test bed comprises an upper cover plate, a lower bottom plate and a plurality of support columns connecting the upper cover plate and the lower bottom plate, and the plurality of support columns define a cavity for accommodating the test box. The upper cover plate is provided with a first through hole used for containing the guide seat, the lower bottom plate is provided with a first groove used for containing the guide seat, second through holes are formed in the upper portion and the lower portion of the test box, pressing wheels are installed on the two sides of the test box, and the pressing wheels are used for making contact with the outer surfaces of lifting columns of the guide seat in a pressing mode. The driving mechanism is used for driving the guide seat to move up and down in the vertical direction and penetrate through the second through hol