PAGE-19-摘要播种机播种质量的优劣直接影响到农作物的产量以及农产品的成本,因此研制高质量的播种机械是现代农业的迫切要求。尽管我国大部分地区早已实现播种机械化,但目前的播种机质量还不能满足高产的要求。现在大面积麦田普遍存在着植株疏密不匀,出苗参差不齐,单株个体之间性状也表现较大差异等问题,限制了小麦产量的进一步提高。生产实践证明,解决这一问题的关键在于实行均匀播种。本课题的目的是针对现有小麦播种机播种中存在缺苗烧苗现象严重,存在疙瘩苗,设计制造了一种装配有种肥分施开沟器的小麦播种机,该小麦播种机能够显著提高小麦播种的均匀性,实现种肥分施，达到了节种、增产的目的。关键词：小麦播种机；开沟器；排种器AbstractThequalityofsowingmachineaffectstheoutputsandthecostsoftheagriculturalproductsdirectly,thereforeitisurgentformodernagriculturetodevelopthehighqualitysowingmachine.Althoughmostareasinourcountryhavealreadyrealizedthesowingmechanization,thequalityofthepresentsowingmachinecannotsatisfythedemandofhighyield.Atpresenttherearesomeproblemsrestrictingfutureimprovementofwheatyieldinmostareas,suchas,differentinterspaceamongplants,varioussizesbetweenseedlingsanddistinctivetraitsinindividuals.Throughproductionpractices,thekeytosolvethisproblemliesinimplementingbalancesowing.themainpurposeofthissubjectisdesignakindofwheatsowingmachineassemblingwithequalizingdeviceandfurrowopenertoreplacetheexistingwheatsowingmachinethatresulttosevereabsenceandburningoftheseedlings.thissortofwheatsowingmachineinthisbookcanimprovesignificantlyandremarkablythebalanceofwheatsowingandrealizehigherproductivity.Keywords:Wheatseeder；Furrowopener；Seedmetering目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc231345805"摘要PAGEREF_Toc231345805\hIHYPERLINK\l"_Toc231345806"AbstractPAGEREF_Toc231345806\hIIHYPERLINK\l"_Toc231345807"1绪论PAGEREF_Toc231345807\h-1-HYPERLINK\l"_Toc231345808"1.1小麦播种机的国内外研究现状及发展趋势PAGEREF_Toc231345808\h-1-HYPERLINK\l"_Toc231345809"1.2小麦播种机的介绍PAGEREF_Toc231345809\h-6-HYPERLINK\l"_Toc231345810"2小麦播种机的设计PAGEREF_Toc231345810\h-7-HYPERLINK\l"_Toc231345811"2.1小麦播种机的结构特点PAGEREF_Toc231345811\h-7-HYPERLINK\l"_Toc231345812"2.2小麦播种机的机构设计PAGEREF_Toc231345812\h-7-HYPERLINK\l"_Toc231345813"2.2.1机架的设计PAGEREF_Toc231345813\h-7-HYPERLINK\l"_Toc231345814"2.2.2排种器的设计PAGEREF_Toc231345814