Importance

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Abstract

A rotary member combination device and a connecting shaft thereof are provided. The rotary member combination device includes at least a first rotary member and a second rotary member, and further includes a connecting shaft between the first rotary member and the second rotary member. At least one of the first rotary member or the second rotary member is connected to the connecting shaft by a spiral groove and a boss structure matching the spiral groove. For the connecting shaft used in the rotary member combination device, the connecting shaft is provided with a first boss or a third spiral groove matching the first rotary member of the rotary member combination device. Compared with the prior art, the connecting shaft provided in the present invention may connect two or more rotary members to implement a relative positional relationship of the two or more rotary members in a circumferential direction, an adjustment process does not require any state condition, and relative positions of the rotary members in the circumferential direction may be controlled in a stationary state or at any rotational speed. The control accuracy is high, the control mode is flexible, and a mode such as manual adjustment, electrical automatic control, hydraulic adjustment, or pneumatic adjustment may be implemented.

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First Claim