何雨浩论文.docVIP

基于对比试验的深松技术及装备研究 摘 要 保护性耕作是当今公认的先进农业生产技术，深松技术是保护性耕作四大技术之一。目前，深松作业广泛采用立柱式深松机，虽具有结构简单、入土和松土能力强等优点，但松后地表留有较大的松土沟，加剧了土壤水分的无效蒸发，影响后续播种作业质量和作物的生长，且工作阻力较大。而且，在保护性耕作条件下进行深松作业，往往会因作物残茬和杂草缠绕、堵塞，影响作业质量，甚至不能正常作业。鉴此，研究保护性耕作条件下的深松机减阻和防堵技术，是目前保护性耕作技术研究亟待解决的问题。 本研究基于前人研究成果和现代工程技术，Based on the contrast experiment of deep loosening technology and equipment ABSTRACT The conservation tillage is recognized advanced agricultural production technology, deep loosening technology is one of four protective cultivation. At present, deep loosening homework widely adopted pillar deep loosening machine, although it has simple structure, soil and apply capacity, but leave the larger after loose surface fertilizsr, aggravated soil moisture evaporates, affect the invalid operation quality and subsequent planting crop growth and resistance. But, in the conservation tillage conditions for deep loosening assignments, often because of crop residues and weeds winding, jam, quality, cant even influence homework. In view of this, the study of deep under the condition of conservation tillage machine drag reduction and held matsui is currently technology, conservation tillage technology research problem to be solved. This study based on the previous research achievements and modern engineering technology, aiming at the pillar deep loosening machine operation existent problem, put forward two solutions, one is in front of the shovel deep loosening of the installation of a small, with deep loosening soil depth of smaller surface layer, the hard drive stroke using surface movement through the surface crop residues and weeds, solve the homework, and to reduce congestion around the work resistance, 2 in the deep loosening shovel is right in front of the installation of a disk, the disc plough plough knife knife cut in rolling process, and also on the surface layer of hard cover on the surface residues and weed cutting, achieves the drag reduction and winding problem. Through contrast test, to determine the