Modularized pump-jet propeller and life-saving equipment

By designing a modular pump-jet propulsion system, which utilizes eddy currents to generate thrust and an electronic speed controller to achieve rapid steering, the system solves the problems of low efficiency and easy rollover of propeller propulsion, improves the navigation efficiency and maneuverability of lifesaving equipment, and ensures normal operation of the equipment under various working conditions.

CN224297393UActive Publication Date: 2026-05-29QINGDAO GUOSHU INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202521690715.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-08
Publication Date
2026-05-29
Estimated Expiration
2035-08-08

AI Technical Summary

Technical Problem

Existing water rescue equipment has low propulsion efficiency at high speeds, is easily affected by water flow conditions and speed, has slow steering and thrust adjustment, and is prone to capsizing, which affects rescue efficiency.

Method used

The modular pump-jet propulsion system includes a housing, motor, shaft, impeller, shroud, guide vanes, and electronic speed controller. It utilizes eddy currents to generate propulsion, and the electronic speed controller changes the motor speed to achieve rapid steering and thrust adjustment. Multiple propulsion units are installed at the stern of the life-saving equipment to ensure normal propulsion.

Benefits of technology

It improves the high-speed propulsion efficiency of the lifesaving equipment, reduces the impact on water flow and navigation speed, enables rapid turning and thrust adjustment, ensures that the equipment can still be used normally when it capsizes, adapts to changing working conditions, and improves the equipment's maneuverability and reliability.

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Abstract

The utility model belongs to the technical field of life-saving equipment, and particularly discloses a modularized pump-jet propeller and life-saving equipment. According to the modularized pump-jet propeller, the impeller of the propeller runs in a uniform flow field in the flow guide cover, incoming flow stamping can be effectively utilized, cavitation resistance can be better improved at a high speed, higher propelling efficiency is achieved, and the modularized pump-jet propeller is not prone to being affected by water flow conditions and sailing speed; the motor rotating speed of the propeller is changed through the electronic speed regulator to change the jet water speed of the water outlet of the fairing, so that the propulsive force of the propeller can be quickly changed; the rotating speeds of motors of propellers on the two sides of the lifesaving equipment are changed through electronic speed regulators, so that the speed difference generated by spraying water speeds of water outlets of flow guide covers on the two sides is changed, and rapid steering of the lifesaving equipment can be achieved; even if the lifesaving equipment turns on one side, the propellers are arranged at the upper end and the lower end of the stern of the lifesaving equipment, so that normal propelling use of the lifesaving equipment is not affected.
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