公路运输过程中罐式集装箱强度调查

Alyona Lovska
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引用次数: 0

摘要

背景。要提高运输业的效率,就必须引进具有更好的技术、经济和环境特性的现代运输工具。目前,包括国际运输在内的液体货物运输主要使用罐式集装箱。因此,为了提高罐式集装箱的运行效率,必须采用性能更好的设计。目标。突出罐式集装箱设计的改进成果,并研究其在公路运输中的优势。方法。为了降低罐式集装箱的材料强度,建议使用圆形截面的管道作为框架元件,并使用复合材料制造锅炉。根据材料强度最小标准,通过优化计算确定管道设计参数。为了确定改进后罐体容器设计的强度特性,采用有限元法进行了计算,计算由 SolidWorks 仿真软件实现。计算结果。根据计算结果可以确定,在顶角配件处吊装容器时,在骨架垂直支架上产生的最大等效压力为 133.6 兆帕,在锅炉中为 121.5 兆帕,低于允许值。在用汽车运输罐式集装箱的条件下,其结构中的最大应力被固定为在移动过程中纵向加速度为 1.2g 时对其产生的影响。框架中的最大等效应力为 202.4 兆帕,锅炉中的最大等效应力为 122.2 兆帕,即未超过允许值。结论所进行的研究将有助于现代罐式集装箱设计的发展,并提高运输业的运营效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of the strength of a tank container during road transport
Background. Increasing the efficiency of the transport industry leads to the need to introduce modern means of transport with improved technical, economic and environmental characteristics. At present, transportation of liquid cargoes, including those in international traffic, is carried out mainly in tank containers. Therefore, in order to increase the efficiency of tank containers operation it is important to introduce designs with improved performance. Objective. Highlighting the results of improvements to the tank-container design and a study of its strength in road transport. Methods. In order to reduce the material intensity of the tank container, it is proposed to use pipes of circular cross section as frame elements and to create a boiler of composite material. Determination of pipe design parameters has been carried out by optimisation calculations according to material intensity minimum criterion. In order to define strength properties of improved tank-container design the calculation by finite element method has been made which has been implemented by SolidWorks Simulation software. Results. On the basis of the made calculations it is established that at lifting of the container for top corner fittings the maximum equivalent pressure arising in vertical racks of a skeleton are equal 133,6 MPa, and in a boiler – 121,5 MPa, that is below allowed. Under conditions of tank-container transportation by motor transport the maximum stresses in its structure are fixed at influence on it of acceleration 1,2g in a longitudinal direction on a course of movement. The maximum equivalent stresses in the frame were 202.4 MPa, and in the boiler – 122.2 MPa, i.e. do not exceed permissible values. Conclusions. The research carried out will contribute to the development of the design of modern tank container designs and improve the operational efficiency of the transport industry.
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