Rotary fatigue test tool for independent main speed reducer assembly

A rotary fatigue test tool for an independent main speed reducer assembly comprises a rectangular bottom plate, a vertically upward mounting plate is arranged at the rear part of the rectangular bottom plate, two mounting holes for fixing a tested speed reducer are formed in the mounting plate, and an open slot for giving way to the tested speed reducer is formed between the two mounting holes; the front portion of the rectangular bottom plate is provided with an upward vertical supporting stand column, bolt through holes are formed in the four corners of the rectangular bottom plate respectively, the lower end of the rectangular bottom plate is provided with four adjusting bases used for adjusting the inclination angle of the rectangular bottom plate, the upper end faces of the four adjusting bases are inclined faces with the same inclination angle, and the lower end faces of the four adjusting bases are all horizontal planes. A first threaded hole which is perpendicular to the inclined face and extends down