基于ANSYS Workbench的深松机铲座的仿真分析与研究

Simulation Analysis and Research of Subsoiler Shovel Seat Based on ANSYS Workbench

针对整地机械关键零部件的疲劳损坏现象,课题组以深松机的铲座、紧固螺栓为研究对象,建立了三维模型,应用静力学、接触分析理论和有限元计算方法对铲座、紧固螺栓的力学性能进行了分析。结果表明,在螺栓预紧力的作用下,载荷对称和结构对称的零件的总变形、等效应力、等效应变是对称的;在螺栓将深松机的铲座固定在机架上时,螺栓的变形、等效应力和等效应变是不对称的;在固定零件时,上压板的应力集中在结构的突变处。研究结果为整地机械及其关键零部件的优化设计、疲劳寿命分析、选用和维护等提供了理论依据和数据支持。

Aiming at the fatigue damage phenomenon of key components of soil preparation machinery, the research group took the shovel seat and fastening bolt of the deep loosening machine as the research object and established a three-dimensional model.The mechanical properties of the shovel seat and fastening bolt are analyzed by statics, contact analysis theory and finite element method. The results show that the total deformation, equivalent stress and equivalent strain of parts with symmetrical load and structure are symmetrical under the action of bolt preload. When the shovel seat of the deep loosening machine is fixed on the frame by bolts, the deformation, equivalent stress and equivalent strain of the bolts are asymmetric;When fixing the parts, the stress of the upper platen is concentrated at the abrupt change of the structure. The research results provide theoretical basis and data support for the optimal design, fatigue life analysis, selection and maintenance of soil preparation machinery and its key components.