The invention provides a shaftless wheel ring propeller. The shaftless wheel ring propeller comprises a guide pipe, an inner ring and annular paddles. A plurality of annular paddles are arranged on the inner wall of the inner ring at equal intervals; the annular paddle is of an unclosed integrated annular structure, the unclosed end of the annular structure comprises a connecting part I and a connecting part II, and the annular paddle is fixedly mounted on the inner wall of the inner ring through the connecting part I and the connecting part II; the thickness of the annular paddle is gradually reduced from the connecting part I and the connecting part II to the part close to the center of the inner ring; the orthographic projections of the end faces, installed on the inner wall of the inner ring, of the connecting part I and the connecting part II on the radial section of the inner ring are staggered. The end faces, installed on the inner wall of the inner ring, of the connecting part I and the connecting part II are spaced, and gaps are formed between the connecting part I and the connecting part II and the adjacent side edges of the inner ring respectively. According to the technical scheme, the hydrodynamic noise can be remarkably reduced, and the propulsive efficiency is improved.
本发明提供一种无轴轮环推进器,包括导管、内环和环状桨叶;所述内环内壁上等间距设置有若干所述环状桨叶;所述环状桨叶为未闭合的一体式环形结构,所述环形结构的未闭合端包括连接部Ⅰ和连接部Ⅱ,所述环状桨叶通过所述连接部Ⅰ和所述连接部Ⅱ固定安装于所述内环内壁;所述环状桨叶的厚度由所述连接部Ⅰ和所述连接部Ⅱ向靠近所述内环中心的部分逐渐变薄;所述连接部Ⅰ与所述连接部Ⅱ安装至所述内环内壁的端面在所述内环的径向截面上的正投影相互错开;所述连接部Ⅰ和所述连接部Ⅱ安装至所述内环内壁的端面之间有间隔,且分别与相临近的所述内环的侧边缘之间有间隔。本发明的技术方案能够显著降低水动力噪声,提高推进效率。
Shaftless wheel ring propeller
一种无轴轮环推进器
2024-09-10
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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