Two-phase color mirror positioning tool

The utility model provides a two-phase color mirror positioning tool, and the tool comprises a pedestal which is provided with a bearing surface used for bearing an illumination structural member; the bearing surface is provided with a fixing assembly for fixing the lighting structural member; the limiting assembly is located on the side, away from the bearing face, of the base; the limiting assembly comprises a sliding seat which is in sliding connection with the base and can be locked at a first set position, and a push rod which is arranged on the sliding seat and is used for aligning the dichroscope; when the sliding seat is locked at the first set position, the push rod penetrates through the cavity of the base and is inserted into the assembly cavity of the lighting structural member to abut against the dichroscope. The lighting structural member is borne and fixed through the arranged base, and the two-phase color mirror is aligned in the assembling cavity of the lighting structural member through the