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创新驱动发展 迈向科技强国——勇猛机械向国家“十三五”交上完美答卷

2022-06-20 14:09:59 来源:勇猛玉米收获机 阅读量:14089 评论

导读:《高含水率玉米单纵轴流籽粒收获机整机开发》项目,是基于勇猛机械生产的4YL-6(ZL2150)型自走式玉米联合收获机进行的优化和创制。

  【农机网 明星企业】2016年7月26日中国农村技术开发中心印发了国科农技字[2016]33号文件,勇猛机械股份有限公司以民营企业身份正式加入了国家重点研发计划“智能农机装备”重点专项的国家队,这是一份荣誉,更是一份责任。
 
  公司领导对此项目非常重视,技术部部长亲自带队组建研发专项小组,2016年7月——2021年6月(含延期半年)此项目历时五年之久,通过小组成员不懈努力,最终向国家交上了完美的答卷。国科农技字[2022]15号文件,对此项目综合绩效评价为“优秀”。
 
  《高含水率玉米单纵轴流籽粒收获机整机开发》项目,是基于公司生产的4YL-6(ZL2150)型自走式玉米联合收获机进行的优化和创制,针对中国各地区对高含水率玉米籽粒收获的不同需求,形成玉米收获的全覆盖体系。研制高含水率玉米单纵轴流籽粒收获机,解决了高含水率玉米籽粒低损收获的国际性技术难题。国内大部分地区的玉米在收获季节的时候均为高湿状态,甚至华北地区为了迎接冬小麦的种植时间,无法等待玉米脱水至20%以下,导致收获季节玉米的含水率高达30%以上,相较国外玉米收获时的含水率均在20%以下,出现部分国外品牌机器“水土不服”现象,无法适应国内玉米收获的条件。通过此项目的攻关,在含水率高达32%的情况下,机器收获的破碎率低至3.7%,远优于国家标准5%的破碎水平。
 
  高含水率玉米单纵轴流籽粒收获机整机开发
 
  (1)单纵轴流高效清选技术研究;
 
  通过研发前、中、后三段分体式调整的上筛结构,适应不同玉米性状引起的脱粒分离梯度差异,提高清选性能;通过上、下筛相向振动平衡技术研究,以提高振动筛的可靠性与使用寿命;通过研究清选风机结构、材料、转速、出口角度对清选效果的影响,提高筛面上气流均匀性;集成研制单纵轴流高效清选系统,实现单纵轴流高效清选。
 
  (2)单纵轴流低损喂入技术研究;
 
  单纵轴流低损喂入技术主要包括优化喂入搅龙的结构与位置;研究过桥输送方式,过桥与单纵轴流脱粒滚筒的平顺交接技术;优化单纵轴流低损喂入收获台与过桥,减少玉米果穗损伤。
 
  (3)滚筒前端脱出物均布研究;
 
  通过研究滚筒前端活动凹板区域籽粒的运动轨迹,解决滚筒前端脱出物分布不均的问题,为后续的清选提供均匀的物料流。
 
  (4)车辆智能控制系统研究;
 
  通过中国农业大学、中国科学技术大学及科学院所等教授和专家的共同研究,开发了自动驾驶系统、玉米穗断穗在线检测系统、籽粒破碎率在线检测系统、籽粒损失在线检测系统、滚筒转速和凹板间隙自动调整系统、北斗定位系统等,为车辆的智能控制提供了保证,该机型技术达到了国际领先水平。
 
  此项目的完成受到了中国农村技术开发中心、行业内专家及领导的认可,机器先后参加专家评审会和国家“十三五”科技创新成就展等,向社会展示机器的先进性和智能性。
 
勇猛机械4YL-6参展国家“十三五”科技创新成就展
 
  中共中央总书记、国家主席、中央军委主席习近平2021年10月26日下午在参观国家“十三五”科技创新成就展时强调,“十三五”时期,我国科技事业加快发展,创新能力大幅提升,在基础前沿、战略高技术、民生科技等领域取得一批重大科技成果。这是在党中央坚强领导下,全党全国特别是广大科技工作者共同奋斗的结果。当前,我国已经开启全面建设社会主义现代化国家新征程,科技创新在党和国家发展全局中具有十分重要的地位和作用,全国广大科技工作者要面向世界科技前沿、面向经济主战场、面向国家重大需求、面向人民生命健康,坚定创新自信,紧抓创新机遇,勇攀科技高峰,破解发展难题,自觉肩负起光荣历史使命,加快实现高水平科技自立自强,为建设世界科技强国、实现中华民族伟大复兴作出新的更大贡献。
 
  “十三五”项目虽已落幕,但勇猛机械会继续秉承“科技提升品质 创新引领发展”的经营理念,在打造百年勇猛的道路上砥砺前行,用智能农机为智慧农业谱写新篇章。
 
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