Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Land leveler welding part design method, saddle assembly and land leveler
The invention discloses a land leveler welding part design method, a saddle assembly and a land leveler, relates to the field of land levelers, and aims to improve design efficiency and product performance. The method comprises the following steps: obtaining cycle times of a welding joint at different stress levels according to a loaded condition and a structural form of a first dangerous component; acquiring parameters of a welding joint; establishing a finite element model of a welding joint; calculating the stress amplitude of the dangerous area of the welding joint; establishing a fatigue characteristic curve of the welding joint; establishing a finite element model of the land leveler to which the first dangerous component belongs, and acquiring finite element parameters of the land leveler; according to the finite element parameters of the land leveler, the operation load spectrum and the fatigue characteristic curve of the first dangerous part, the service life of the dangerous area of the welding joint is evaluated; optimizing the finite element model; and designing an integral structure of the second dangerous component. The second dangerous component obtained by the scheme is good in performance.
本发明公开了一种平地机焊接部件设计方法、鞍架组件以及平地机，涉及平地机领域，用以提高设计效率和产品性能。该方法包括以下步骤：根据第一危险部件的受载情况和结构形式，得到焊接接头的在不同应力水平的循环次数；获取焊接接头的参数；建立焊接接头的有限元模型；计算其焊接接头危险区域的应力幅值；建立焊接接头的疲劳特性曲线；建立第一危险部件所属的平地机的有限元模型，并获取平地机的有限元参数；根据平地机的有限元参数、作业载荷谱以及第一危险部件的疲劳特性曲线，评估焊接接头的危险区域的使用寿命；优化有限元模型；设计第二危险部件的整体结构。上述方案得到的第二危险部件性能好。
Land leveler welding part design method, saddle assembly and land leveler
The invention discloses a land leveler welding part design method, a saddle assembly and a land leveler, relates to the field of land levelers, and aims to improve design efficiency and product performance. The method comprises the following steps: obtaining cycle times of a welding joint at different stress levels according to a loaded condition and a structural form of a first dangerous component; acquiring parameters of a welding joint; establishing a finite element model of a welding joint; calculating the stress amplitude of the dangerous area of the welding joint; establishing a fatigue characteristic curve of the welding joint; establishing a finite element model of the land leveler to which the first dangerous component belongs, and acquiring finite element parameters of the land leveler; according to the finite element parameters of the land leveler, the operation load spectrum and the fatigue characteristic curve of the first dangerous part, the service life of the dangerous area of the welding joint is evaluated; optimizing the finite element model; and designing an integral structure of the second dangerous component. The second dangerous component obtained by the scheme is good in performance.
本发明公开了一种平地机焊接部件设计方法、鞍架组件以及平地机，涉及平地机领域，用以提高设计效率和产品性能。该方法包括以下步骤：根据第一危险部件的受载情况和结构形式，得到焊接接头的在不同应力水平的循环次数；获取焊接接头的参数；建立焊接接头的有限元模型；计算其焊接接头危险区域的应力幅值；建立焊接接头的疲劳特性曲线；建立第一危险部件所属的平地机的有限元模型，并获取平地机的有限元参数；根据平地机的有限元参数、作业载荷谱以及第一危险部件的疲劳特性曲线，评估焊接接头的危险区域的使用寿命；优化有限元模型；设计第二危险部件的整体结构。上述方案得到的第二危险部件性能好。
Land leveler welding part design method, saddle assembly and land leveler
平地机焊接部件设计方法、鞍架组件以及平地机
CHENG LEI (Autor:in) / GAO LE (Autor:in) / MA HONGFENG (Autor:in) / WANG YUE (Autor:in)
25.07.2023
Patent
Elektronische Ressource
Chinesisch
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