Tree Transplanting Machine Mechine Mechanical Structure Design And Finite Element Analysis

At present, the issue of environmental resources become a bottleneck in China to build a well-off society and modernization process constraints, afforestation is an only way to improve the environment, and so the development of forestry machinery to promote the realization of the automation of the forestry industry will be significant particularly important. Trees transplanting mechanization process, compared to slightly slow in developed countries, this kind of machinery is also largely dependent on imports, and the introduction of foreign trees transplanting machine, size is not necessarily to meet domestic demand, so the development of a species of trees can be widely used in transplanting machine, not only has a good market value, will also play a crucial role for the promotion of the development of forestry machinery. Preliminary Phase of the project team in the field, so committed to the development of a of transplanting small and medium-sized trees transplanting machine, the main reference structure in the form of foreign Big John tree transplanting machine, some structural conditions for the existing, appropriately simplified, mainly considering the configuration of power, difficult to design and processing difficulty factors, to determine an optimal design, suspension, frame,3shovel, straight shovel tree transplanting machine. Access to such information, with reference to foreign data, analysis and selection of design structure design every part of the tree transplanting machine, and ultimately determine the size.Solid modeling of each structure according to the design requirements, the use of three-dimensional modeling software Pro/E, based on the assembly relation between each other for assembly, while checking the interference situation, and the relative positional relationship between the various components according to the different working conditions, different assembly model, in order to static analysis of different operating conditions. Mechanical design calculations of the blade, the door frame, the whole full load static strength analysis, the results of simulation through finite element statics, strength, stiffness of tree transplanting machine blade next shovel conditions meet design standards; meet the requirements of the strength and deformation of the door frame in the lifting process, its overall deformation is very small compared with the overall size of the structure is negligible; whole promotion process, the strength of the connection frame to meet the requirements, do not failure phenomenon occurs; improve working conditions to meet the material limits of standard blade closed. Kinetic analysis of tree transplanting machine, in order to determine its natural frequency, resonance with the frequency of the engine, so the blade on the the transplanting machine’s main working parts modal analysis its first six natural frequency by comparison, the operating frequency of the engine with engine resonance phenomenon does not occur. Improve working conditions due to the weight of the transplanting machine itself is great, so the spirit of the prototype30%weight reduction goals, the mounting bracket topology optimization for material analysis, topology optimization model has been fixed bracket, according to the optimization results redesigned mounting bracket, and also provides a theoretical foundation for the future of the tree transplanting machine materials optimization.