The Vehicle Dynamics Research Of Articulated Resonant Crusher

Articulated resonance road crusher is road construction machinery which isapplied for breakage and damaged cement concrete pavement reconstruction crushing.It is based on the resonance principle continuously knocking cement concrete roadsby using equal to or close to the natural frequency of cement concrete blocks, leads tocement concrete blocks localized resonance, the knocking energy savings in cementconcrete plate, resulting in constantly increasing the amplitude of plate, and finallyfracture, to crushing effect. This technology can not only achieve a good cementconcrete road reconstruction, and cost savings, construction of high efficiency, smalldamage to the environment,in facing a wide range of road reconstruction China has avery large market.This article is based on the resonance road crusher research and developmentprojects, studying the vehicle dynamics of designed articulated crusher resonance.Combined with CAD/CAE technology and virtual prototyping technology,using thetheory of vibration mechanics, multi-body movement mechanics, simulateresearching the statics and dynamics performances of parts involved in crusherworking process such as vibration systems, body parts.In this paper, articulated resonance crusher resonance systems, vehicle dynamicsare the main analysis objects,the full text can be divided into six chapters. The firstchapter introduces the dissertation research sources and background, resonancecrusher current application and research status, the main research contents andmethods of the paper. The second chapter describes the working mechanism of theresonance breaking technology, explained structure design of main components of thearticulated resonance crusher. Chapter III established a simplified model of theresonant system, its motion equations deduced. Using finite element techniques toconduct resonant beam dynamics simulation analysis, from the results of modalanalysis of resonant beam determined the position of the resonant beam nodesand toestablish modal neutral file of resonant beam. Chapter IV established the front frameand the rear frame vibration analysis simplified model,derivated the motion equationsof two degrees of freedom of front frame and rear frame,got the natural frequenciesand damping ratios in the vertical direction and the roll direction. Mounted the resonance system on the vehicle, established a rigid-flexible coupling dynamic modelof the vehicle, for the next vehicle dynamics simulation analysis to prepare. The fifthchapter is the simulation of the vehicle dynamics model,the main consideration of theengine excitation and resonance system excitation in the42~53Hz frequency band,got the vibration response of vehicle components in vertical direction and rolldirection. Chapter VI of the paper summarizes the work carried out, pointing out theshortcomings of this paper and provides directional advice for subsequent work.This paper conducted a preliminary study of vehicle dynamics of resonantcrusher by using computer simulation, obtained the resonant crusher vibrationresponse characteristics, providing a reference for subsequent analysis and vehicletest prototype.