轻型定向工业脚轮及其性能曲线计算
首发时间:2025-12-31
摘要:在钢结构智能制造领域,移动焊接平台的稳定性直接关系到焊接质量。本文提出一种用于移动焊接平台的轻型定向工业脚轮结构,并建立其减振性能曲线的解析计算方法。该脚轮通过集成多级弹簧-杠杆复合减振机构,在不显著增加重量的前提下有效隔离地面不平引起的竖向振动。基于虚功原理与几何运动学关系,推导出减振器恢复力与刚度随位移变化的非线性函数表达式,并进一步整合承载弹簧效应,形成完整的性能曲线模型。该方法为面向特定负载工况的脚轮参数化设计提供了理论依据,具有良好的工程应用前景。
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Lightweight Industrial Caster and Performance Curve Calculation
Abstract:In the field of intelligent manufacturing of steel structures, the stability of mobile welding platforms is directly related to welding quality. This article proposes a lightweight directional industrial caster structure for mobile welding platforms and establishes an analytical calculation method for its vibration reduction performance curve. This caster effectively isolates vertical vibrations caused by uneven ground without significantly increasing weight by integrating a multi-stage spring lever composite damping mechanism. Based on the principle of virtual work and geometric kinematics, derive the nonlinear function expression of the restoring force and stiffness of the shock absorber as a function of displacement, and further integrate the bearing spring effect to form a complete performance curve model. This method provides a theoretical basis for the parameterized design of caster wheels for specific load conditions and has good engineering application prospects.
Keywords: steel structure Mobile welding platform Lightweight directional casters Nonlinear stiffness
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