Research On Self-propelled Modular Transporter’s Drive And Suspension System And Optimization Of Suspension Mechanism

Along with the extensive application of modular construction methods,Self-propelled module transporter (SPMT) has been got developing vigorously as a specialtransport gear. Its various modules unit can be assembled and combined in various formsaccording to the requirements of transporting goods，and With the characteristics of largeload bearing capacity, strong adaptability of delivery goods and so on, the SPMT are nowwidely used in the application of large scale, not easy to disassemble the whole body andthe field of ultra long wide weight cargo transition and transport. As the important part ofSPMT, hydraulic suspension systems, drive systems play a very important role inimproving its carrying capacity, operating efficiency and work safety and reliability.Therefore, analysing and researching on them has very important meaning.As the research object of6-axis SPMT designed and manufactured by Jiangsu haipeng special vehicles Co. Ltd, this dissertation mainly study the drive system andsuspension system in four aspects.At first, analyze the key component of the SPMT, mainly analyze and research theframe structure, hydraulic steering system, the suspension mechanism, driving system andelectric control system of five aspects. Research theoretically and calculatemathematically on the suspension mechanism, driving system of SMPT and complete thedesign of the drive hydraulic system, suspension hydraulic system and selection of keyhydraulic components.Thirdly, using ANSYS Workbench of finite element analysis software, analyze finiteelement static of the frame of module vehicle, suspension arm, swing arm, driving bridge,and thus provides a good basis for further reasonable design of the module structure aswell as the lightweight design. And then the modal analysis of module vehicle frame wasperformed to determine strength distribution of structural vibration of vehicle framestructure and anti-vibration weak area in order to provides design basis of meeting thedynamic design requirements and avoiding module vehicle resonating with vibrationsource for the module vehicle frame structure.Finally, establish optimization mathematical model, the optimization objective function and optimization of boundary conditions of suspension mechanism of SMPT, andoptimize the three hinge on the formation of the suspension mechanism usingmulti-objective genetic optimization theory in order to improve load adaptability of thevehicle suspension.