The boosting structure comprises a duct and a propeller located in the duct, a mounting cylinder with the bottom open is arranged on the lower portion in the duct, a driving part is mounted in the mounting cylinder, and a driving shaft of the driving part extends out of the top face of the mounting cylinder and then is connected with the propeller. The propeller is composed of a propeller cap and three spiral blades evenly distributed on the peripheral side of the propeller cap, the propeller cap is in an inverted bowl shape, the blades are spirally arranged on the outer circumference of the propeller cap, a gap is reserved between the outer edge of each blade and the inner face of the duct, and the gap is smaller than 1 mm. The boosting structure of the underwater booster has the advantages of being good in rotation stability, large in boosting thrust, high in efficiency, long in service life and the like.
本发明涉及一种水下助推器的助推结构,包括涵道和位于涵道内螺旋桨,所述涵道内下部设有底部呈开口设置的安装筒,所述安装筒内装有驱动件,所述驱动件的驱动轴伸出安装筒顶面后与所述螺旋桨连接,所述螺旋桨由桨帽和均匀分布在所述桨帽外周侧的三片螺旋型桨叶构成,所述桨帽为倒扣的碗形形状,所述桨叶呈螺旋形设置在所述桨帽的外圆周,所述桨叶的外边缘与涵道内面之间留有间隙,所述间隙小于1mm。本发明水下助推器的助推结构具有旋转稳定性好、助推推力大、效率高及助推结构使用寿命长等优点。
Boosting structure of underwater booster
一种水下助推器的助推结构
2023-11-17
Patent
Electronic Resource
Chinese
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