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摘 要 文章開頭介紹了先進(jìn)排種器試驗(yàn)臺(tái)對(duì)于了解和掌握現(xiàn)有精播排種器的技術(shù) 性能，研究和研制新一代高性能播種機(jī)的重要性，本設(shè)計(jì)介紹了一種新型排種 器試驗(yàn)臺(tái)機(jī)械結(jié)構(gòu)與電氣部分的參數(shù)設(shè)計(jì)計(jì)算方法，以及電氣設(shè)備的選用依據(jù)： 并給出了總體結(jié)構(gòu)配置圖。排種器試驗(yàn)臺(tái)的結(jié)構(gòu)可在試驗(yàn)中模擬各種精密排種 器高速作業(yè)狀態(tài)，并達(dá)到精確測(cè)量種子粒距的目的。本設(shè)計(jì)系統(tǒng)地介紹了該排 種器試驗(yàn)臺(tái)的設(shè)計(jì)過(guò)程和方法，并在計(jì)算過(guò)程中插入了一些簡(jiǎn)圖，更有利于理 解。在設(shè)計(jì)的每一過(guò)程中采取嚴(yán)謹(jǐn)?shù)膽B(tài)度，以保證各數(shù)據(jù)的精確性。 關(guān)鍵字：農(nóng)業(yè)工程；排種器試驗(yàn)臺(tái)；設(shè)計(jì) 多功能排種器試驗(yàn)臺(tái)的設(shè)計(jì) 1 Multi-purpose seeding mechanism test platform design Abstract: The article opening introduced the advanced seeding mechanism test platform existing fine broadcasts the seeding mechanism regarding the understanding and grasping the technical performance, studies and develops the new generation of high performance seeder the importance, this design introduced one kind of new seeding mechanism test platform mechanism and the electrical part parameter design calculation method, as well as the electrical equipment selects the basis: And has given the overall structure disposition chart.The seeding mechanism test platform structure may in the experiment simulate each kind of precision seeding mechanism high speed work condition, and achieved the precision measuring plants the goal which the seed is apart from.This design introduced systematically this seeding mechanism test platform design process and the method, and have inserted some diagrams in the computation process, is more advantageous to the understanding.Has the rigorous manner in design each process, guarantees various data the accuracy. Key words:Agricultural engineering; Seeding mechanism test platform; Design 目 錄 多功能排種器試驗(yàn)臺(tái)的設(shè)計(jì) 2 1 緒論 1 2 工作原理及總體結(jié)構(gòu) 2 2.1 工作原理 2 2.2 總體結(jié)構(gòu) 2 3 主要工作部件參數(shù)的設(shè)計(jì) 3 3.1 種床長(zhǎng)度的確定 3 3.2 種床帶前進(jìn)速度的確定 3 3.3 排種盤轉(zhuǎn)速的調(diào)整范圍 3 3.4 種床帶傳送裝置驅(qū)動(dòng)電機(jī)功率的確定 3 4 設(shè)計(jì)傳動(dòng)系統(tǒng) 5 4.1 一級(jí)皮帶傳動(dòng)的設(shè)計(jì) 5 4.2 二級(jí)皮帶傳動(dòng)的設(shè)計(jì) 9 5.各軸的設(shè)計(jì) .12 5.1 軸的材料 .12 5.2 軸的結(jié)構(gòu)設(shè)計(jì) .13 5.3 第一傳動(dòng)軸（電動(dòng)機(jī)與輸送裝置相連的軸）的設(shè)計(jì) .13 5.4 第二傳動(dòng)軸的設(shè)計(jì) .17 5.5 第三傳動(dòng)軸的設(shè)計(jì) .18 6.畢業(yè)設(shè)計(jì)總結(jié) .22 參考文獻(xiàn) .23 致 謝 .24