| Electro-hydraulic proportional variable piston pump has characteristics of energy saving effect is good,high control accuracy,high frequency response,long life,maintenance convenience and low price and other characteristics,widely used in engineering construction machinery,metallurgy,injection molding machinery,mining,forging,ships industry.As important power components in the hydraulic system,electro hydraulic proportional variable plunger pump development degree directly influences the whole hydraulic industry development and improvement,so to its research is very important and urgent.For the electro-hydraulic proportional variable plunger pump research have a lot of research methods,computer simulation is a improve its performance intuitive and rapid one of the ways,this method is simple operation,modify the parameter,intuitive,and accurate comprehensive,for the designer to provide all kinds of design basis,shorten the development cycle,save costs and to control performance improvement is a very important method,the hydraulic field and research has a major significance.Aiming at the electro hydraulic proportional variable pump,in Proe/E a three-dimensional entity model,and introduction to ADAMS virtual prototype modeling software,complete dynamic simulation research,get a dynamic simulation results.Through the FLOUENT software to the structure of the proportional valve,and the valve core structure under different conditions for fluid dynamic effect on simulation,so as to find a kind of structure makes the fluid power greatly decreases,and get more accurate fluid dynamic parameters.In the building up of variable pump system AMESim complete simulation model,and with the building up of ADAMS dynamics simulation system for joint simulation.Through the dynamic characteristics simulation,find the variable pump main structure parameters on the system in pressure control and flow control mode output dynamic characteristics of the influence law. |
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