铁路运输中超料斗两段式运输车装载结构研究

O. Fomin, A. Lovska
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引用次数: 0

摘要

为了提高箕斗车的作业效率,提出将箕斗车的车体分成两个独立的部分进行改进,以方便运输不同类型的货物。为了使斗车在国际运输中适应铁路轮渡运输,建议在其枢梁上安装用于紧固链扣的结点。通过数学建模,确定了料斗车承重结构的动载荷。考虑了铁路轮渡的船上晃动情况。数学模型的求解在MathCad软件包中实现。作用在料斗车支承结构上的总加速度为2.4 m/s2 (0.24 g),在计算料斗车承重结构强度时,将得到的加速度值考虑在内。在SolidWorks仿真软件包中采用有限元法进行计算。计算结果表明,最大等效应力为312.3 MPa,发生在固定节点处。但是,它们不会超过允许值。本研究将有助于提高料斗车的运行效率,并为其透视图设计创造新的发展空间。
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INVESTIGATION OF LOADING STRUCTURE OF HYPER-HOPPER TWO-SECTION CARRIER DURING CARRIAGE BY RAILWAY
To increase the efficiency of operation of the hopper car, it is proposed to improve it by dividing the body into two separate sections, which facilitates the possibility of transporting different types of cargo. In order to adapt the hopper car for transportation on railway ferries in international traffic, it is proposed to install on its pivot beams knots for fastening chain ties. Determination of the dynamic load of the load-bearing structure of the hopper car was performed by mathematical modeling. The case of the on-board rocking of the railway ferry is taken into account. The solution of the mathematical model is implemented in the MathCad software package. The total amount of acceleration acting on the supporting structure of the hopper car was 2.4 m/s2 (0.24 g). The obtained value of acceleration is taken into account when calculating the strength of the load-bearing structure of the hopper car. The calculation was performed by the finite element method in the SolidWorks Simulation software package. The results of the calculations established that the maximum equivalent stresses are 312.3 MPa and occur in the node for fixing. However, they do not exceed the allowable values. The conducted researches will promote increase of efficiency of operation of hopper cars, and also creation of developments concerning designing of their perspective designs.
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来源期刊
自引率
0.00%
发文量
28
审稿时长
27 weeks
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