The invention provides a marine split type fixed-pitch propeller. The propeller comprises a propeller hub, propeller blades and fixing bolts, the propeller blades and the propeller hub are of a splittype structure, and each propeller blade is fixed to the propeller hub through the corresponding fixing bolt. The propeller blades and the propeller hub are connected through the fixing bolts, first pin holes are formed in the propeller hub, during installation, positioning pins are inserted into the first pin holes firstly, then second pin holes at the bottoms of the propeller blades are alignedwith the positioning pins, and positioning can be completed. Steps are arranged on the propeller hub, axial positioning can be provided for the propeller blades during installation, and thrust or tension brought by rotation of the propeller can be borne in a blocking shoulder manner during operation of a thruster.
本发明提供一种船用分体式定螺距螺旋桨,该螺旋桨包括桨毂、桨叶和固定螺栓,所述桨叶与桨毂为分体式结构,每片桨叶通过固定螺栓固定在桨毂上。本发明的桨叶与桨毂之间通过固定螺栓连接,桨毂上开有第一销孔,安装时先将定位销插入第一销孔,再将桨叶底部的第二销孔与定位销对齐即可完成定位。桨毂上设置有台阶,既可在安装时为桨叶提供轴向定位,又在推进器运行时以挡肩的形式来承受螺旋桨旋转带来的推力或拉力。
Marine split type fixed-pitch propeller
一种船用分体式定螺距螺旋桨
2020-12-25
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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