The Structure Design And Experiment Research Of Rice Single-spike Thresher

As key link of hybrid rice production, rice breeding has important meaning to increase income. Especially in recent years, the present of engineering breeding indicates a development direction to rice breeding mechanization and scale.In the procress of rice yield measurement,There are often thousands of single-spikes need to threshed.Spikes on material characteristic test, including sections on rice grain and the grain moisture content, the quality of the rotor, and suspension rate were determined. Focus on measurement and analysis of the rotor suspended velocity, got the rice grain, grain short stalks, suspension speed of broken rice leaf, Gap is obtained according to the three suspension speed materials when cleaning best airflow speed in the range of3m/s to6m/s.Combining with the existing of the combine harvester threshing cleaning principle, Around the yield and breeding of threshing work requirements and study of relevant material properties of grain of rice grain. Designed for single ear rice thresher, which based on the work characteristics of single ear threshing machine in a series of personalized design. Such as jewels housings, accept jewels cleaning sieve, visual can be uncovered the side cover plate, etc. Is helpful to improve the work performance of single ear threshing machine.After the overall design, the selection of threshing and cleaning performance threshing cylinder rotation speed, the greatest influence threshing roller tooth shape, cleaning plate length, cleaning wind speed as a experimental factor, To take off the net rate, broken rate, cleaning rate, loss rate as test index, the single factor tests, Experimental results showed that,1000r/min,4m/s, and320mm respectively work best performance parameters of the single factor experiment.In single factor on the test results of multi-factors orthogonal test. The results of multi-factor orthogonal test of the test data by SPSS software analysis in an all-round way. Get working performance is the best parameter combination:drum speed1000r/min, tooth for tooth, cleaning wind speed5m/s, cleaning plate length is350mm.