农机化研究
農機化研究
농궤화연구
Journal of Agricultural Mechanization Research
2016年
4期
71-75
,共5页
张亚欧%坎杂%李成松%付威%王丽红%李琳琳
張亞歐%坎雜%李成鬆%付威%王麗紅%李琳琳
장아구%감잡%리성송%부위%왕려홍%리림림
红枣%收获机%捡拾%运动分析
紅棘%收穫機%撿拾%運動分析
홍조%수획궤%검습%운동분석
jujube%harvester%picking up%motion analysis
针对红枣人工捡拾劳动强度大、作业效率低、生产成本高等问题,设计了一种矮化密植红枣收获机捡拾装置。该装置与红枣收获机联合作业,能够实现红枣一次性捡拾收获。为此,介绍了捡拾装置的结构与工作原理,并对关键工作部件进行了设计。采用复数矢量法对捡拾机构进行运动学分析,确定了偏心轮、吊杆、连接杆等关键工作部件的结构参数。通过对捡拾拨杆进行运动分析,获得了工作过程中拨杆端点的运动方程,并确定了红枣抛送初速度与偏心轮转速之间的关系,为红枣收获机捡拾装置的试验研究提供了理论基础。
針對紅棘人工撿拾勞動彊度大、作業效率低、生產成本高等問題,設計瞭一種矮化密植紅棘收穫機撿拾裝置。該裝置與紅棘收穫機聯閤作業,能夠實現紅棘一次性撿拾收穫。為此,介紹瞭撿拾裝置的結構與工作原理,併對關鍵工作部件進行瞭設計。採用複數矢量法對撿拾機構進行運動學分析,確定瞭偏心輪、弔桿、連接桿等關鍵工作部件的結構參數。通過對撿拾撥桿進行運動分析,穫得瞭工作過程中撥桿耑點的運動方程,併確定瞭紅棘拋送初速度與偏心輪轉速之間的關繫,為紅棘收穫機撿拾裝置的試驗研究提供瞭理論基礎。
침대홍조인공검습노동강도대、작업효솔저、생산성본고등문제,설계료일충왜화밀식홍조수획궤검습장치。해장치여홍조수획궤연합작업,능구실현홍조일차성검습수획。위차,개소료검습장치적결구여공작원리,병대관건공작부건진행료설계。채용복수시량법대검습궤구진행운동학분석,학정료편심륜、조간、련접간등관건공작부건적결구삼수。통과대검습발간진행운동분석,획득료공작과정중발간단점적운동방정,병학정료홍조포송초속도여편심륜전속지간적관계,위홍조수획궤검습장치적시험연구제공료이론기출。
Dwarf and close planting jujube harvester pickup device was designed for the labor intensity and low efficiency of manual picking up .The joint operation of pickup device and harvester can both achieve jujube picking and harvesting one-time .Structure and working principle of pickup device were introduced , and key working parts were designed .Ki-nematics of pickup mechanism were analyzed using complex-number vector method , then structural parameters of eccen-tric, boom, connecting rods and other key working parts were determined .Motion equations of lever endpoint in the course of working were obtained by the motion analysis , and the relationship between throwing speed and eccentric rota-tional speed was determined , providing a theoretical basis for experimental study of jujube harvester pickup device .