摘要
为解决玉米苗期收膜机卸膜工序复杂、困难的问题,设计出一种新型既捡拾又卸膜的机构,建立了玉米苗期收膜机的三维模型,并应用ADAMS软件进行虚拟样机的仿真,得到该机构的相对和绝对运动轨迹。对苗期地膜进行地膜力学特性试验,测出地膜的撕断力FΔ和延伸率δ,并通过对捡膜齿出土过程的力学分析找出捡膜齿对残膜水平作用力F与残膜捡拾滚筒最大角速度ω之间的关系。同时,以玉米苗期残膜捡拾机为研究对象,设计了玉米苗期残膜捡拾卸膜机构,选取机具的前进速度、入土角度、入土深度为影响因素,以地膜收净率和伤苗率为试验指标进行土槽模拟试验。结果表明:该机设计简单、合理,收膜效率高,能够满足预期的设计要求。
To solve the problem of unloading membrane process during seedling period of corn,designed a new type of collecting and discharging of the membrane. Corn seedling membrane machine 3d model is set up,and the application of virtual prototype simulation of ADAMS software,getting the relative and absolute motion curve. On seedling mulch film mechanical properties test,to measure the tear strength F△ and elongation δ of film,and through the analysis of the mechanical process of picking up membrane teeth unearthed,find out the relative of the residual film collector maximum angular velocity of roller ω. Based on the corn seedling remnant film collecting machine as the research object,designing the corn seedling stage discharge residual film collector membrane,I do select the speed of machine,angle of the grave,the depth of the grave as influencing factors,and have the soil bin simulation text with regarding film net rate and injuring rate as test index. The results prove that the machine has simple and reasonable design,the membrane with high efficiency,it can meet the expected design requirements.
出处
《农机化研究》
北大核心
2016年第4期61-65,共5页
Journal of Agricultural Mechanization Research
基金
"十二五"国家科技支撑计划项目(2014BAD06B04-1-04)
关键词
玉米
收膜机
捡拾卸膜机构
corn
plastic film collector
pick up and unloading mechanism
