| 摘要 |
A torque coupling ( 13 ) for a rotor head ( 11 ) of a rotary-wing aircraft has upper and lower plates ( 29, 31 ) configured for rotation with a rotor mast ( 19 ). Drive links ( 33 ) pivotally connected to the upper and lower plates ( 29, 31 ) pivot about a pivot axis generally parallel to and radially offset from an axis of rotation of the plates. Each link ( 33 ) is engaged with adjacent drive links ( 33 ) to form a continuous ring of links, such that motion of one link ( 33 ) about its pivot axis causes motion in an opposite direction of each adjacent link ( 33 ) about its pivot axis. Drive elements ( 25 ) connect the drive links ( 33 ) to an assembly configured to receive rotor blades. The drive elements ( 25 ) may be components of a universal joint, a multiple trailing-link configuration, a pad-bearing configuration, or another type of articulating assembly.
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