The propeller comprises a left propeller part, a propeller hub and a right propeller part, the left propeller part comprises a left propeller blade, a left propeller handle of the left propeller blade is in clearance fit with a sliding sleeve on the propeller hub, the right end of the left propeller handle is rotationally connected with a left rotating sleeve, a left gear cavity is fixed to the right end of the left rotating sleeve, and the left gear cavity is in sliding connection with the propeller hub in the left-right direction; the left front connecting rod is in transmission connection with the left paddle handle through a bevel gear, the right end of the left front connecting rod is hinged to the left end of the right front connecting rod through a front sliding rod, and the right end of the left rear connecting rod is hinged to the left end of the right rear connecting rod through a rear sliding rod; the front sliding rod and the rear sliding rod are connected in a sliding mode in the front-back direction of the propeller hub, the propeller hub is provided with a reset structure of the front sliding rod and the rear sliding rod, force of the propeller handles is directly connected through the four-connecting-rod mechanism, no additional load is generated on the propeller hub, and large loads are borne through connection of the four-connecting-rod mechanism.
本发明公开一种变桨径和变桨距螺旋桨,包括左桨部分、桨毂、右桨部分,左桨部分包括左桨叶,左桨叶的左桨柄与桨毂上的滑套间隙配合,左桨柄右端转动连接左转动套,左转动套右端固定左齿轮腔,左齿轮腔与桨毂沿着左右方向滑动连接,左齿轮轴转动安装在左齿轮腔内,左齿轮轴固定左前连杆的左端,左齿轮轴转动连接左后连杆的左端,左前连杆与左桨柄通过锥齿轮传动连接,左前连杆右端与右前连杆左端通过前滑杆铰接,左后连杆右端与右后连杆左端通过后滑杆铰接,前滑杆和后滑杆沿着桨毂前后方向滑动连接,桨毂上设置有前滑杆和后滑杆的复位结构,桨柄的力量直接通过四连杆机构相互连接,对桨毂不产生附加载荷,通过四连杆机构连接承受较大的载荷。
Self-adaptive variable-pitch and variable-pitch propeller
一种自适应变桨径和变桨距螺旋桨
2024-03-15
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |
Europäisches Patentamt | 2021
|Engineering Index Backfile | 1952
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