楔形自润滑深松铲的结构设计与减阻试验

深松是实施保护性耕作的基础,在实行保护性耕作的初期更是必不可少的作业环节,能够打破犁底层、降低土壤容重、改善耕层结构。实现深松的主要工具是深松铲,其品质决定了深松效果。针对深松铲在工作过程中耕作阻力较大的问题,设计出一种楔形自润滑深松铲,借助SolidWorks软件进行结构设计及仿真分析,并在实验室进行减阻试验。试验结果表明:在相同试验条件下,楔形自润滑深松铲与传统深松铲对比,耕作阻力降低14.60%~21.17%,减阻率的平均值为18.28%,减阻效果明显。

Structural Design and Drag Reduction Test of the Wedge-shaped and Self-lubricating Subsoiler

Subsoiling is the basis of conservation tillage,especially in the early stages of conservation tillage.Subsoiling can break the plough sole,reduce the soil bulk density and improve the structure of the arable layer.The main tool for realizing subsoiling function is the subsoiler,the quality of which determines the subsoiling effect.Aiming at the problem of high tillage resistance in working process of the subsoiler,a wedge-shaped and self-lubricating subsoiler is designed.And structural design and simulation analysis are carried out with SolidWorks,and it is tested in the laboratory.The actual experiment results show that under the same experimental conditions,compared with the traditional subsoiler,the wedge-shaped and self-lubricating subsoiler can reduce the tillage resistance by 14.60%to 21.17%,the average drag reduction rate is 18.28%.The effect of anti-drag is obvious.