Underwater double-flapping-wing propeller

Abstract

The invention discloses an underwater double-flapping-wing propeller. The underwater double-flapping-wing propeller is composed of motors, flapping wings, flapping wing propeller bodies and an underwater vehicle body. The four sets of identical flapping wing propeller bodies are installed on the underwater vehicle along the central axis in a pairwise symmetry mode, rotary shafts of each set of upper and lower flapping wings are located on the same vertical line, the included angles between the rotary shafts of the upper and lower flapping wings and the center axial plane of the underwater vehicle are + / -30 degrees, the motors are fixed to installation plates of the flapping wing propeller bodies respectively through motor sleeves, output shafts of the motors are connected with rotary shafts of the flapping wing propeller bodies through couplers, and the motors drive the flapping wings. When the underwater vehicle moves, the flapping wings of the flapping wing propeller bodies conduct opposite beating motion at the same water beating frequency and up-and-down motion amplitude and opposite phase angles, and then the underwater vehicle can go straight, make a turn, float, descend and turn over. The double-flapping-wing propeller is simple in structure, flexible in motion, more stable in generated thrust and high in energy utilization rate, and has wide application prospects.

Description

Technical field [0001] The invention relates to an underwater propeller, in particular to an underwater double flapping-wing propeller; it belongs to the technical field of underwater vehicle propulsion. Background technique [0002] In recent years, unmanned underwater vehicles have broad application prospects and great potential value in marine environmental research, marine resource exploration, and marine resource development, whether in the civil or military fields, and they have attracted a lot of people. attention. [0003] Most unmanned underwater vehicles in the prior art use propeller propellers, which suffer from poor performance in low-speed near-target operations. In the natural aquatic animals, in addition to fish, there are some animals with unique swimming methods. After natural selection and their own evolution, their swimming methods have become more mature and perfect, such as marine animals such as sea turtles, Sea lions, dolphins, penguins, etc.; these animal...

AI Technical Summary

Problems solved by technology

This imitation hydrofoil propulsion device has a complex structure and requires precise control, so it must be equipped with a complex single-chip microcomputer control system

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