农机化研究
農機化研究
농궤화연구
JOURNAL OF AGRICULTURAL MECHANIZATION RESEARCH
2016年
3期
155-162
,共8页
王申莹%胡志超%吴惠昌%彭宝良%谢焕雄%顾峰玮
王申瑩%鬍誌超%吳惠昌%彭寶良%謝煥雄%顧峰瑋
왕신형%호지초%오혜창%팽보량%사환웅%고봉위
甜菜%收获机械%自动对行%液压仿真%AMESim
甜菜%收穫機械%自動對行%液壓倣真%AMESim
첨채%수획궤계%자동대행%액압방진%AMESim
beet%harvesting machinery%automated row-followed%hydraulic simulation%AMESim
随着农业机械机电液一体化程度以及设备性能的不断提高,甜菜收获机也逐渐向自动化智能化方向发展。为此,设计了甜菜收获机自动对行液压纠偏执行系统总体机构,确定了系统工作原理。通过设计、计算分析,确定了液压元器件的主要结构和工作参数。同时,应用AMESim 软件对系统进行了建模与仿真以及动态响应特性分析,确定了液压流量和压力的取值范围。对系统进行了物理样机设计和台架试验,得出了液压流量和压力对性能指标系统反应时间的影响规律和趋势,以及液压流量和压力的最佳取值,即当液压流量为25 L/min ,供油压力为18 MPa时,系统反应时间最小。
隨著農業機械機電液一體化程度以及設備性能的不斷提高,甜菜收穫機也逐漸嚮自動化智能化方嚮髮展。為此,設計瞭甜菜收穫機自動對行液壓糾偏執行繫統總體機構,確定瞭繫統工作原理。通過設計、計算分析,確定瞭液壓元器件的主要結構和工作參數。同時,應用AMESim 軟件對繫統進行瞭建模與倣真以及動態響應特性分析,確定瞭液壓流量和壓力的取值範圍。對繫統進行瞭物理樣機設計和檯架試驗,得齣瞭液壓流量和壓力對性能指標繫統反應時間的影響規律和趨勢,以及液壓流量和壓力的最佳取值,即噹液壓流量為25 L/min ,供油壓力為18 MPa時,繫統反應時間最小。
수착농업궤계궤전액일체화정도이급설비성능적불단제고,첨채수획궤야축점향자동화지능화방향발전。위차,설계료첨채수획궤자동대행액압규편집행계통총체궤구,학정료계통공작원리。통과설계、계산분석,학정료액압원기건적주요결구화공작삼수。동시,응용AMESim 연건대계통진행료건모여방진이급동태향응특성분석,학정료액압류량화압력적취치범위。대계통진행료물리양궤설계화태가시험,득출료액압류량화압력대성능지표계통반응시간적영향규률화추세,이급액압류량화압력적최가취치,즉당액압류량위25 L/min ,공유압력위18 MPa시,계통반응시간최소。
As the degree of integration of electro-hydraulic in agricultural machinery and equipment performance contin-ues to improve , Beet harvester has gradually developed to automate intelligent direction .This paper designed the overall structure of hydraulic correction execution system in automated row-followed for beet harvester , and established the sys-tem works principle .It also determined the main structure and operating parameters of hydraulic components by desig -ning , calculating and analysising .The paper did system modeling and simulation and dynamic response analysis on the application of software AMESim ,determined the range of hydraulic flow and pressure .It designed physical prototype of the system and did bench test ,and concluded the rules and trends of the influence of hydraulic flow and pressure on the system response time .And draw out the best value of hydraulic flow and pressure , that is when the hydraulic flow is 25 L/min,oil pressure is 18MPa,the system response time is minimum .