| Hydraulic excavator is a kind of multifunction machine used widely in construction field. It is a primary kind of machine. Because of its multifunction , high quality and efficiency and various kinds, many company like to use it. Its manufacture is developing day by day.Hydraulic excavator consist of engine, hydraulic system, working equipment, rotator, walking equipment and electric control part. Two main parts -working equipment and hydraulic system's designing make up of this article.The main task of hydraulic excavator is to dig soil. Working equipment is the first equipment to finish digging task. Many countries with developed technology on hydraulic excavator use new technology and new methods widely to improve its capability and productivity. Using universal and professional excavator's working equipment's design methods, having a study of universal design with computer is very important to the development of domestic excavator.In this article, collect most of the world excavator's working equipment's designing material. Analyze various kinds of excavator's working conditions. Base on omnidirectional computer emulation, bring up a modern designing way. The way of emulation accompany the whole process of design and the whole machine's performance.The working equipment of excavator is a kind of plane and link organ. The study of plane and link organ's universal analysis ways apply the way of decomposing linkage group. By detailed study of the way of decomposing linkage group, set up a whole series of model-building ways, and make it be a complete theory. Bring up a way of interaction between man and machine. Through the way of interaction between man and machine, realize the organ's forming process and parameters' input. Base on analysis of the interaction between man and machine, figure out the problem of computer's working flow, and complete the whole organ's computer's automatic model-building. Base on the computer's automatic model-building, compile the...
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