Automobile suspension coil spring durability test fixture

The utility model discloses an automobile suspension coil spring durability test fixture which comprises an upper connecting plate, a lower connecting plate which is parallel to the upper connecting plate, an upper spring installation seat which is used for fixing the upper end of a spring, a lower spring installation seat which is used for fixing the lower end of the spring and is fixedly connected with the lower connecting plate, and a thrust ball bearing mechanism which is used for producing relative rotation between the upper spring installation seat and the upper connecting plate and is connected between the upper spring installation seat and the upper connecting plate. According to the utility model, the automobile suspension coil spring durability test fixture is simple in structure; the thrust ball bearing mechanism is additionally arranged between the upper spring installation seat and the upper connecting plate, which is used for simulating a sliding bearing on a suspension assembly on an automobile, thus relative rotation is produced between the upper spring installation seat and the upper connecting plate; the condition of the automobile suspension coil spring is well simulated; durability test can be carried out on the spring; and the test accuracy is good.