Oil recovery structure of helicopter main reducer input shaft

The utility model relates to an oil recovery structure of helicopter main reducer input shaft, glib talker, rubber tube are encircled, are connect including recovering the oil, oil recovery ring formby two semi -rings combinations, two semi -rings be semi -ring under first ring sum, it is protruding that both sides are provided with inward annular respectively, wherein the protruding card of theannular of one side is at the graphite seat installation edge of main reducer movive seal to to recover the oil through the installation ear and encircle the equipment and fix the movive seal positionat the input shaft, lower semi -ring on be provided with and meet the glib talker, connect glib one side to communicate with each other with annular oil trap, the rubber tube of obturaging in the lower part is connected to the opposite side. The utility model discloses both guaranteed effectively to collect the lubricating oil that leaks, for research provides accurate data, the installation of being convenient for again,