The invention relates to the field of aviation, and particularly discloses a tilting rotorcraft propeller hub system which comprises a main shaft and a propeller hub center piece, the main shaft is connected with the propeller hub center piece through a spherical hinge connecting device, and the spherical hinge connecting device is fixedly installed on the propeller hub center piece. The spherical hinge connecting device is composed of an upper central elastic bearing, a lower central elastic bearing, a torque divider, a driving connecting rod elastic bearing assembly and a spherical hinge support, and spline holes matched with the main shaft are formed in the centers of the upper central elastic bearing, the lower central elastic bearing and the torque divider; an upper central elastic bearing and a lower central elastic bearing are connected in series through a spherical hinge support and then fixed to a propeller hub central piece, and meanwhile a torque divider is clamped between the upper central elastic bearing and the lower central elastic bearing and connected with the spherical hinge support through a driving connecting rod elastic bearing assembly. The service life of the propeller hub center piece is prolonged, and the cost is reduced.
本发明涉及航空领域内,具体公开了一种倾转旋翼机桨毂系统,包括主轴与桨毂中心件,主轴与桨毂中心件经球铰连接装置相连,球铰连接装置固定安装在桨毂中心件上,球铰连接装置由上中央弹性轴承、下中央弹性轴承、分扭器、驱动连杆弹性轴承组件以及球铰支架,上中央弹性轴承、下中央弹性轴承、分扭器中心开设有与主轴配合的花键孔,上中央弹性轴承与下中央弹性轴承经球铰支架串联后固定在桨毂中心件上,同时将分扭器夹紧在上中央弹性轴承与下中央弹性轴承之间,分扭器与球铰支架之间经驱动连杆弹性轴承组件相连,本发明延长了桨毂中心件使用寿命、且降低成本。
Propeller hub system of tilting rotorcraft
一种倾转旋翼机桨毂系统
2023-04-07
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |
Rotor tilting system and tilting method for unmanned tilting rotorcraft
European Patent Office | 2021
|