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中性浮力水下机械臂关键技术研究

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水下机械臂可为航天员中性浮力训练提供转运和定点支持功能,提高训练过程的连贯性和效率.针对水下密封、中性浮力配平和防腐蚀3 项水下机械臂关键技术,提出了采用多重冗余密封、浮力块与关节外壳赋形设计的技术方案,选用钛合金和双相不锈钢材料提升了机械臂的防腐蚀性能.研制的水下机械臂产品参与出舱活动训练已超过 2 年,最长在水下连续使用超过226 天,工作状态良好,保证了空间站出舱活动水下试验的质量与有效性.
Study on Key Technologies of Neutral Buoyancy Underwater Manipulator
The underwater manipulator can provide position transfer and support for neutral buoyan-cy training,thus improving the consistency and efficiency of the training process.With regard to the three key technologies of underwater sealing,neutral buoyancy leveling and anti-corrosion,a techni-cal solution using multiple redundant seals,integrated design of shaped buoyancy shells and joints was proposed,and titanium alloy and duplex stainless steel were selected to enhance the anti-corro-sion performance.The underwater manipulator has been used in training for over two years with good working condition,and with a continuous usage up to 226 days,which ensures the quality and effec-tiveness of the underwater test.

space stationEVAweightlessness simulationunderwater manipulator

杨健、韩亮亮、晁建刚、浣上、王卫军、张崇峰

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上海宇航系统工程研究所,上海 201108

上海市空间飞行器机构重点实验室,上海 201108

中国航天员科研训练中心,北京 100094

空间站 出舱活动 失重模拟 水下机械臂

2024

载人航天
中国载人航天工程办公室

载人航天

CSTPCD北大核心
影响因子:0.411
ISSN:1674-5825
年,卷(期):2024.30(1)
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