| الملخص: | To address the positioning and communication requirements of cable relay buoys connected to manned submersibles working in deep sea for a long time, a technical scheme of an underwater buoy retracting and releasing winch suitable for manned submersibles is proposed in this study. The scheme is based on the working characteristics of winches on manned submersibles that work in underwater environments and are intelligently controlled in manned cabins. We discussed the working principles, structural composition, hydraulic control system of the winch, and calculation of the main parameters. The results show that the scheme can satisfy the demand for retracting and releasing the buoys of manned submersibles, thereby providing a reference for the design of this type of winch.
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