Virtual Prototype Research On Shearer's Regulating System

As a new technology in today's design and manufacture fields, the Virtual Prototype Technology brings new energy to the traditional design and manufacture. This paper has attempted to use this technology in the dynamic analysis of complicatedshearer's regulating system.This paper adopts Pro/E software to establish the geometrical model of system's mechanical structure, and through the interface between ADAMS and MATLAB, we import the geometrical model of mechanical structure into the dynamic analysis software ADAMS to establish a digitalized model of shearer's regulating system.By the step response analysis of system, the virtual prototype model is amended to conclude that the free frequency of hydraulic system is 14HZ more or less, and the system performance is distinctively improved after the amendment.The simulation and analysis of the systemic frequency response get to the response of system to different frequencies'sine signal and further prove that the free frequency of regulating system is 14HZ. The system decreases rapidly to the mid-frequency and high-frequency signals.Finally, imitating the actual load during the cutting process, through the interface between ADAMS and MATLAB, we apply a normal distribution signal to the system and get the dynamical response of the system, including the force on each hinge point, acceleration response and the dynamic response of hydraulic system, thus to test the free frequency of the system, and provide reference for the ascertain of parameter and selection of component in the design of hydraulic system.In a word, the virtual prototype research of shearer's cutting part is the advanced design, analysis and simulation technique, and is the initiative attempt in the design of shearer. It provides effetual means and implementation method for designing the economic, reliable and stable high-perforaianced shearer.