The lift-and-transverse type parking equipment, with its core advantages such as high space utilization, modular and flexible layout, and intelligent operation, has become an efficient solution to alleviate the urban ...The lift-and-transverse type parking equipment, with its core advantages such as high space utilization, modular and flexible layout, and intelligent operation, has become an efficient solution to alleviate the urban parking problem. However, existing research still lacks a systematic evaluation of its structural performance, particularly in areas such as the fatigue characteristics of steel frame materials, stress distribution under dynamic loads, and resonance risk analysis. The stress amplitude (S) and fatigue life (N) relationship curve of Q235 steel, the material used in the steel frame of the lift-and-transverse type parking equipment, was obtained through fatigue testing methods. The finite element simulation model of the steel frame structure of the lift-and-transverse type parking equipment was established using ABAQUS simulation software. Through static simulation analysis, the deformation and stress distribution under various operating conditions, including full load, partial load, and no load, was obtained. The fatigue life under full load and partial load was determined through FE-Safe fatigue analysis. Modal analysis was conducted to get the natural frequencies of the steel frame structure at various modes, which were compared with the operating frequency of the equipment to avoid resonance. This paper examines the evaluation methods for the structural performance of lift-and-transverse type parking equipment, providing a reliable research basis for the design and fatigue life analysis of this specialized structure.展开更多
文摘The lift-and-transverse type parking equipment, with its core advantages such as high space utilization, modular and flexible layout, and intelligent operation, has become an efficient solution to alleviate the urban parking problem. However, existing research still lacks a systematic evaluation of its structural performance, particularly in areas such as the fatigue characteristics of steel frame materials, stress distribution under dynamic loads, and resonance risk analysis. The stress amplitude (S) and fatigue life (N) relationship curve of Q235 steel, the material used in the steel frame of the lift-and-transverse type parking equipment, was obtained through fatigue testing methods. The finite element simulation model of the steel frame structure of the lift-and-transverse type parking equipment was established using ABAQUS simulation software. Through static simulation analysis, the deformation and stress distribution under various operating conditions, including full load, partial load, and no load, was obtained. The fatigue life under full load and partial load was determined through FE-Safe fatigue analysis. Modal analysis was conducted to get the natural frequencies of the steel frame structure at various modes, which were compared with the operating frequency of the equipment to avoid resonance. This paper examines the evaluation methods for the structural performance of lift-and-transverse type parking equipment, providing a reliable research basis for the design and fatigue life analysis of this specialized structure.
