| Rice plant has very important status in our country’s grain production. Compared with other grain plants,rice has the biggest planting area and the highest per unit yield. The yields of rice are the most than other grainplants, which is about40percent of all grain yields in our country. The Heilongjiang province is one of theimportant commodity grain production bases in our country, and the rice planting area also showed a trend ofincreased year by year. However, our country’s mechanization level of rice planting is lower than othercountries for a long time. This has seriously affected the development of rice planting in our country.The screw shaft assembly is one of the key components of high-speed rice transplanter, and theperformance of the screw shaft assembly directly determines and influences the working reliability and thelevel of the overall performance of rice transplanter. In this paper, based on the rice planting pot fixed-pointorderly planting technology, with the screw axis component as the research object, and through the dynamicsanalysis and improvement studies to achieve the purpose of improve the quality of the machine operation andplant levels. Through the test of materials to choose45#processing slider,25CrMn processing screw axis.In this paper, the content and results are as follows:(1)Through the analysis of the working condition of moving box shaft components, working principleand the mechanical properties, the screw axis slipper pair is optimized design;(2)According to the optimization results, the three-dimensional model of move box axis componentswere established by using of three-dimensional modeling software Pro/E. Then using finite element analysissoftware ANSYS to analyse the move boxes of shaft components in static and dynamic characteristics, andthen prove the validity of the theoretical model;(3)The paper has carried on the modal and strength analysis of the move box axis components,have gotthe law of the natural frequency and the shaking type by using three-dimensional modeling software UG andfinite element analysis software ANSYS. The3d simulation processing of the screw axis and sliding blockwere carried on by using UG. |