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Design and modelling of the full-feed peanut picking device with selfadaptive adjustable working clearance and feeding rate

引用

International Journal of Agricultural and Biological Engineering 2023年第6期16卷 97-106页

作者： Shenying Wang Baoliang Peng Huichang Wu Zhichao Hu Dawei Sun Yongwei Wang Mingzhu Cao College of Biosystems Engineering and Food Science Zhejiang UniversityHangzhou 310058China Nanjing Institute of Agricultural Mechanization Ministry of Agriculture and Rural AffairsNanjing 210014China Key Laboratory of Intelligent Equipment and Robotics for Agriculture of Zhejiang Province Hangzhou 310058China Key Laboratory of Agricultural Equipment for Hilly and Mountainous Areas in Southeastern China(Co-construction by Ministry and Province) Ministry of Agriculture and Rural AffairsHangzhou 310058China

To improve the declining performance of a full-feed peanut picking device or solve the mechanical failures that occur due to fluctuations in the feeding rate during operation,the 4HLJI-3000 peanut intelligent picking combine harvester,which is a picking device with a self-adaptive adjustment of the working clearance,was developed as the research object in this ***,the key components,such as the picking roller,concave plate sieve and clearance adjustment mechanism of the concave plate sieve,were designed and *** the force analysis of the concave plate sieve of the picking device,the mathematical model of the concave plate sieve displacement of the picking device and feeding rate was *** software system for monitoring,storing and analysing the concave plate sieve displacement of the picking device based on EasyBuilder Pro was designed,and the road monitoring test of displacement variation of concave plate sieve of the picking device and feeding rate was carried *** linear function,power function,exponential function,quadratic function,compound function,logarithmic function and cubic function fitting were used to perform regression analysis of the test results by using IBM SPSS *** results showed that the cubic function model had a higher fitting precision,and its determination coefficient was *** verification experiments were proposed,and the results showed that the established cubic function model had a good *** absolute deviation rate ranged from 0 to 4.83%,and the average deviation rate was 2.22%.The deviation rate increased with an increasing feeding *** field experiments also proved that there was a cubic function relationship between the feeding rate and concave plate sieve displacement,the measured concave plate sieve displacement deviation rate ranged from 0 to 6.19%,and the average deviation rate was 2.73%compared with the calculated *** study can provide a reference for the optimiza

关键词： agricultural machinery peanut picking device feeding rate concave plate sieve displacement EasyBuilder

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