Folding rotor wing of coaxial unmanned helicopter
A technology of unmanned helicopters and rotors, applied in the field of UAVs, can solve problems such as uncontrolled blade swing, uneven speed, and no limiter design, so as to improve stability and safety, improve stability, and maintain convenient effect
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[0032] The technical solutions in the embodiments of the present application are clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.
[0033] Such as figure 1 As shown, a folding rotor of a coaxial unmanned helicopter includes: hub central part 1, variable pitch hub 2, folding paddle clip assembly 3, blades (not shown in the figure), torsion spring 4 and centrifugal pendulum limiter The actuator 5, the variable pitch propeller hub 2 are symmetrically installed on both ends of the propeller hub central part 1; the folding paddle clamp assembly 3 is rotationally connected to the end of the variable pitch propeller hu...
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