农业机械学报2025，Vol.56Issue(10)：71-81,11.DOI:10.6041/j.issn.1000-1298.2025.10.007
链齿-犁式浅海底播菲律宾蛤仔采收机设计与试验
Design and Experiment of Chain Tooth-plow Subtidal Bottom-sown Manila Clam Harvester
摘要
Abstract
At present,there are problems with high excavation resistance and high breakage rate in the harvesting of shallow sea Manila clams.Therefore,a chain tooth-plow collaborative harvesting scheme was proposed,and a chain tooth harvesting mechanism and a drag reducing loosening plow suitable for shallow sea clam harvesting operations were designed.The motion and force analysis of the harvesting chain teeth were carried out,and the plow body surface was designed based on the horizontal straight line method.A discrete element simulation study was conducted on the process of reducing drag and loosening soil plow and collaborative harvesting operations.Single factor experiments and Box-Behnken experiments were used to optimize the width,cutting angle,and installation angle of reducing drag and loosening soil plow.A chain tooth-plow collaborative harvesting simulation experiment was also conducted.The results showed that when the width of the reducing drag and loosening soil plow was 192 mm,the installation angle was 37.81°,and the cutting angle was 25.84°,the plow body resistance was the smallest,which was 37.81 N.When the distance between plow teeth was 30.6 cm,the distance between chain teeth was 33.96 mm,and the plow depth was 30 mm,the excavation resistance of the chain teeth was the smallest,which was 420.57 N,and the harvesting rate was 88.43％.Based on the optimal parameters obtained from simulation,a chain tooth-plow collaborative clam harvesting machine was processed,and harvesting experiments were conducted.Compared with the chain toothed harvesting machine,the chain tooth-plow collaborative ha rvesting equipment reduced excavation resistance by 55.35％,increased recovery rate by 23.7％,reduced sand content by 28.45％,and reduced damage rate by 25.58％.The chain tooth-plow collaborative harvesting equipment improved the efficiency of clam harvesting,reduced excavation resistance,and decreased the sand content and crushing rate of shellfish.关键词
浅海底播养殖/菲律宾蛤仔/链齿-犁式协同采收机/离散元仿真/参数优化Key words
shallow sea bottom-sown aquaculture/Manila clam/chain tooth plow collaborative harvester/discrete element simulation/parameter optimization分类
水产学引用本文复制引用
吴昊,张国琛,李航企,李秀辰,周宇超,母刚..链齿-犁式浅海底播菲律宾蛤仔采收机设计与试验[J].农业机械学报,2025,56(10):71-81,11.基金项目
国家重点研发计划项目(2023YFD2400800)、辽宁省教育厅基本科研项目(LJ232410158048)、辽宁省本科高校基本科研业务费项目(2024JBPTZ002)和大连市科技创新基金计划项目(2024JJ13GX039) （2023YFD2400800）
