The invention relates to a pitch-adjustable semi-submerged propeller propelling device which comprises blades, a propeller hub, a propeller shaft, a piston rod, a push-pull rod extending arm and an oil cylinder piston, and is characterized in that the blades are fixedly mounted on the propeller hub; the push-pull rod extending arm is arranged in the propeller hub and is connected with the propeller blades; the piston rod is arranged in the hollow propeller shaft, the tail end of the piston rod is connected with the push-pull rod extending arm, the head end of the piston rod is connected with the oil cylinder piston, and the oil cylinder piston can move back and forth in the cylinder sleeve and is controlled by an external hydraulic system; the shaft tube is fixed on a stern transom plate of a ship body, the front section of the paddle shaft is connected with the shaft tube through a second bearing, and the head end of the paddle shaft is connected with the flange shaft through a cylinder sleeve; the tail end of the propeller shaft is connected with the propeller hub through a hydraulic coupler. The device can be directly installed on a stern transom plate of a ship body, vertical and horizontal angle adjustment of the device is not needed, the possibility that the whole device breaks down is reduced, the pitch of the blades is changed only through a hydraulic system, and the sailing speed of the whole ship is increased through change of the pitch of the blades.
本发明涉及一种可调螺距半浸桨推进装置,包括桨叶、桨毂、桨轴、活塞杆、推拉杆伸臂、油缸活塞,其特征在于:所述桨叶安装固定于桨毂上;推拉杆伸臂布置于桨毂内,并与桨叶连接;活塞杆布置于中空的桨轴内,活塞杆的尾端与推拉杆伸臂连接,活塞杆的首端与油缸活塞连接,油缸活塞能在缸套内前后移动,油缸活塞由外部液压系统控制;轴管固定于船体艉封板上,桨轴前段通过第二轴承与轴管连接,桨轴的首端通过缸套与法兰轴连接;桨轴的尾端与桨毂通过液压联轴器连接。本发明可直接安装在船体艉封板上,装置不用上下及左右角度调整,减少了整个装置出现故障的可能性,只用通过液压系统来改变桨叶的螺距,以桨叶螺距的改变来提高整船的航行速度。
Pitch-adjustable semi-submerged propeller propelling device
一种可调螺距半浸桨推进装置
2022-05-06
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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