DYNAMIC MODEL OF A RAILWAY LIFTING CRANE

Q1 Engineering

Architecture and Engineering Pub Date : 2022-03-31 DOI:10.23968/2500-0055-2022-7-1-72-78

J. Vatulin, D. Potakhov, E. Potakhov, S. Orlov

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引用次数: 1

Abstract

Introduction: Currently, mobile boom cranes equipped with telescopic boom equipment are widely used in construction, loading and unloading, as well as installation. Purpose of the study: We aimed to develop a dynamic model for a railway lifting crane, taking into account the interaction of its structural elements with each other and the bearing soil surface in a three-dimensional formulation. Methods: In the course of the study, we used Simulation and Motion modules of the SolidWorks software package, Klepikov’s non-linearly deformable soil model, and Lagrange’s equation of the second kind. Results: As a result, we developed a numerical analytical 3D model describing dynamic loading and deformation of the “mobile boom crane – foundation” system in a three-dimensional formulation. The model takes into account the following: the internal bending deformation and the interaction of the mating structural elements of a crane (telescopic sections, telescoping hydraulic cylinders, and outriggers), hoist rope rigidity, grillage (framework of sleepers) influence, elastic and plastic properties of the base platform soil, and action of inertial loads on the structural elements of the lifting crane.

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铁路起重机的动力学模型

简介：目前，配备伸缩臂设备的移动臂起重机广泛用于施工、装卸和安装。研究目的：我们旨在为铁路起重机开发一个动力学模型，在三维公式中考虑其结构元件相互作用和支承土表面的相互作用。方法：在研究过程中，我们使用了SolidWorks软件包的仿真和运动模块、Klepikov的非线性变形土壤模型和拉格朗日方程。结果：因此，我们开发了一个三维数值分析模型，以三维公式描述“移动臂架起重机-基础”系统的动态载荷和变形。该模型考虑了以下因素：起重机的内部弯曲变形和配合结构元件（伸缩节、伸缩液压缸和支腿）的相互作用、起重机绳索刚度、格栅（枕木框架）的影响、基础平台土壤的弹性和塑性特性，以及惯性载荷在起重起重机的结构元件上的作用。

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