A helicopter rotor head structure comprises a hub, a holder, a bearing and a pitch change mechanism. The hub is provided at the top of a main rotor mast. A connecting shaft is provided in the hub. An end of the connecting shaft extends to the outside of the hub and has the bearing sleeved thereon. The end of the holder facing away from a blade is sleeved on the bearing, and is rotationally connected to the connecting shaft. The bearing comprises an angular contact bearing, a thrust roller bearing and a deep groove ball bearing which are provided in sequence in the length of the connecting shaft. The pitch change mechanism is sleeved on the main rotor mast, and is connected to the holder.
HELICOPTER ROTOR HEAD STRUCTURE
26.06.2025
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
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