Connecting ring for testing speed reducer assembly with electrified casing

The utility model discloses a connecting ring for testing a speed reducer assembly with an electrified casing, which comprises a ring body, first positioning holes for positioning with a rack are symmetrically arranged at the edge of the outer ring of the ring body, and a plurality of first connecting holes for connecting with a speed reducer casing are further arranged at the edge of the outer ring of the ring body. An annular groove is formed outside a bearing hole in the center of the ring body, a sealing ring is arranged in the annular groove, second connecting holes are evenly formed in the ring body around the annular groove, the circle centers of the second connecting holes are located on the same circumference, and second positioning holes used for being positioned with a speed reducer shell are formed in the circumference. The utility model aims to provide the connecting ring which can meet the quick positioning connection of the speed reducer assembly of the electrified casing and can be quickly pos