Main rotor hub mechanism for unmanned helicopter
An unmanned helicopter and main rotor technology, applied in the direction of rotorcraft, propellers, motor vehicles, etc., can solve the problems of poor bearing force and complicated maintenance, eliminate axial force, simplify maintenance steps, and increase use effect of life
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[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0012] Such as Figure 1-2 As shown, a main rotor hub mechanism of an unmanned helicopter includes a main rotor head 1, and the main rotor head 1 is connected with a connecting shaft 3, and the connecting shaft 3 is connected with a main rotor hub 7, and the connecting shaft 3 passes through the main rotor hub. The grease cavity inside the rotor hub 7, the left side of the grease cavity is provided with a thrust bearing 14 and a ball bearing 12 in turn from ri...
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