Simulation of the hydraulic drive operation of the end tower installation mechanism on a self-propelled chassis as part of a mobile ropeway

A. Lagerev
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引用次数: 0

Abstract

Single-span ropeways based on autonomous self-propelled wheeled chassis of high load capacity and cross-country capability are a promising type of mobile transport and overloading equipment for the rapid creation of logistics infrastructure for the sustainable development of hard-to-reach areas with complex natural terrain. They can also be effectively used for rapid deployment during transport operations in the foci of natural or man-made disasters. This article presents a mathematical model of the operation of a hydraulic drive with throttle control with sequential activation of adjustable throttles and a power hydraulic cylinder in relation to the mechanism of installing the end tower on the load-bearing frame of a self-propelled wheeled chassis of a mobile ropeway. The model includes a submodel of kinematic and force analysis of the end tower installation mechanism and a submodel of hydrodynamic analysis of working processes in the volumetric pumping hydraulic drive of this mechanism. The established calculated dependences make it possible to simulate the change during the time of installation of the end tower from the transport position to the working position of the basic quantitative parameters, including the speeds and accelerations of movement of the end tower and the rod of the lifting hydraulic cylinder, pressures and volumetric flow rates of the working fluid at characteristic points of the hydraulic system.
对移动索道自行式底盘端塔安装机构的液压驱动操作进行了仿真
基于高承载能力和越野能力的自主自行式轮式底盘的单跨索道是一种很有前途的移动运输和超载设备,用于快速建立物流基础设施,以实现复杂自然地形难以到达的地区的可持续发展。它们还可以有效地用于在自然或人为灾害中心的运输作业期间的快速部署。本文针对移动索道自行式轮式底盘端塔安装在承重架上的机构,建立了具有顺序启动可调节流阀控制的液压驱动器和动力液压缸工作的数学模型。该模型包括端塔安装机构的运动学和受力分析子模型以及该机构容积泵送液压传动工作过程的水动力分析子模型。建立的计算依赖关系可以模拟端塔安装期间从运输位置到工作位置的基本定量参数的变化,包括端塔和提升液压缸杆的运动速度和加速度,液压系统特征点工作流体的压力和容积流量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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