Combined flange with protective plate

The utility model discloses a combined type flange with a protective plate. The flange comprises a first flange assembly and a second flange assembly, each of the first flange assembly and the secondflange assembly comprises an outer flange plate, a middle flange plate, a fastening flange plate and at least two positioning mounting sleeves, one end of each positioning mounting sleeve penetrates into an assembling hole of the corresponding outer flange plate and an assembling hole of the corresponding middle flange plate, and the other end of each positioning mounting sleeve is clamped with the corresponding fastening flange plate; the first flange assembly further comprises a first protective flange plate and a lower protective plate. The second flange assembly further comprises a secondprotective flange plate and an upper protective plate assembly. Combined design of the product, assembly difficulty reduction, damage to the flange in the mounting process is avoided; a groove in theouter side of the front end