Simple rotary indexing structure

The utility model discloses a simple rotating indexing structure which comprises a bottom plate, a supporting column is arranged on the bottom plate, an annular groove is formed in the bottom plate, arotatable rotating sleeve is arranged in the annular groove, a rolling supporting assembly is arranged at the upper end of the supporting column, a top plate is arranged in the rotating sleeve, and the lower end of the top plate is supported by the rolling supporting assembly. According to the utility model, the top plate is supported through the rolling supporting assemblies on the supporting columns; the top plate is connected with the rotating sleeve; the rotating shaft can rotate on a horizontal plane; the rotating sleeve is matched with the annular groove; meanwhile, the rotating ring inthe middle is connected with the rotating sleeve, the overall stability is improved, the matching conflict with the rolling supporting assembly is avoided through the vertical strip-shaped hole outside the rotating sleeve, fo