新型工程材料水压传动元件的设计理论、方法及实验研究

Water hydraulics is a new research project worldwide with extensive application prospects. By the support of National Natural Science Foundation of China, a simulating test apparatus for the friction pairs of water hydraulic pumps and motors has been developed ;engineering plastics and ceramics have been successfully used for the friction pairs of water hydraulic components; main principles for selecting the materials and the optimum mating materials for friction pairs have been obtained. The correct design theory and method of friction pairs have been deeply studied and developed. All these research results provide a reliable technical basis for overcoming the key problems, such as corrosion, wear and leakage ect., of developing water hydraulic components.Seawater (flesh water) hydraulic pumps, pressure control valves, flow control valves and directional valves with rating pressure 6.3MPa, which have been successfully used in deep submergenc rescue vehicles, and 14MPa ,which will be used in deep sea tool systems, have been respetively developed .5 doctorate candidates and 5 Master's students have been graduated. 15 research papers (including 2 keynote paper of 2 international conferences on fluid power)have been published. One China patent has been granted and other 3 patents will be granted.

用纯水代替油作工作介质的水压传动具有无污染、不燃、节能、结构简单等优点，实用意义大。为解决水压元件腐蚀磨损、气蚀等难题，本项目研究将陶瓷等用于水压元件，同时研究其摩擦副的正确设计理论、方法及合适的结构型式与对偶材料。最后不仅提供关键技术的一系列研究成果，还提供应用和验证这些成果的样机，为我国水压传动的发展奠定坚实基础。