农机化研究Issue(11)：161-165,5.
深松铲入土深度及铲形对耕作阻力影响
Effects of Subsoiler ’ s Penetrating Depth and Spade Shape on Traction Resistance
摘要
Abstract
The subsoiling operation ’ s main problem is the big tillage resistance .Subsoiler work as an important part of a subsoiling machine , then it ’ s shape and structure parameters directly affects the traction resistance and the quality of subsoiling work .The subsoiler tillage resistance in different soil depth was measured by digital push & pull tester .And through the cultivation experiment of different spade shape ,the tillage resistance of chisel-shape subsolier , fippers-shape subsoiler and wing-shape subsoiler were measured at 35 cm soil depth .The results show that fippers-shape subsoiler ’ s soil resistances vary in different penetrating depth .The soil hardened with the increase of soil depth , so in 10-20 cm soil layer the subsoiler tillage resistance is small ,while in 20-30 cm soil layer , it get the obvious increase , and when subsoi-ler worked in 30-40 cm soil layer ,the subsoiler tillage resistance get the larger increase .The cultivation experiments of different spade shape on the effects of subsoiler tillage resistance show that the connect area between subsoiler and soil is different with the varied spade shape , and these result in the difference of shear force and extrusion force , and the rule of tractive resistance and area of shovel jut is logarithmic .关键词
深松铲/铲形/入土深度/牵引阻力Key words
subsoiler/spade shape/penetranting depth/traction resistance分类
农业科技引用本文复制引用
齐关宇,刘林,赵艳忠,龚振平,杨悦乾,杨阳..深松铲入土深度及铲形对耕作阻力影响[J].农机化研究,2015,(11):161-165,5.基金项目
“十二五”国家科技支撑计划项目 （）
