The invention provides a magnetic variable-pitch main rotor wing system. The main rotor wing system comprises: a main shaft system, wherein the main shaft system comprises a rotating shaft, and the rotating shaft is fixed to a machine body and can rotate along the axis; and at least one set of rotor wing system fixed on the rotating shaft, wherein each rotor wing system comprises a magnetic variable-pitch stator subsystem, a magnetic variable-pitch rotor subsystem and a rocker arm subsystem, the rocker arm subsystem and the magnetic variable-pitch rotor subsystem are connected and installed on the outer side of the rotating shaft, the magnetic variable-pitch stator subsystem is installed on the outer side of the magnetic variable-pitch rotor subsystem, the magnetic variable-pitch stator subsystem comprises an electromagnetic coil, the magnetic variable-pitch rotor subsystem comprises a permanent magnet ring, the electromagnetic coil is used for generating an alternating magnetic field to drive the permanent magnet ring to rotate along the axis of the rotating shaft, and the magnetic variable-pitch rotor subsystem drives the rocker arm subsystem to rotate. The reliability of the helicopter rotor variable-pitch system can be improved, and the cost is reduced.
本发明提供一种磁变距主旋翼系统,包括:主轴系统,包括转动轴,所述转动轴固定于机体上且可沿轴线转动;至少一套旋翼系统,固定于所述转动轴上;每一旋翼系统包括磁变距定子子系统、磁变距转子子系统和摇臂子系统,所述摇臂子系统和所述磁变距转子子系统相连接并安装在所述转动轴外侧,所述磁变距定子子系统安装在所述磁变距转子子系统外侧;所述磁变距定子子系统包括电磁线圈,所述磁变距转子子系统包括永磁体环,所述电磁线圈用于产生交变磁场带动所述永磁体环沿所述转动轴的轴线转动,所述磁变距转子子系统带动所述摇臂子系统转动。本发明可以提高直升机旋翼变距系统可靠性,降低成本。
Magnetic variable-pitch main rotor system
磁变距主旋翼系统
2021-04-13
Patent
Electronic Resource
Chinese