The Dynamics of the Working Body of the Tubular Conveyor with the Chain Drive

Q4 Chemical Engineering Applied and Computational Mechanics Pub Date : 2021-07-01 DOI:10.22055/JACM.2021.35725.2719

O. Lyashuk, B. Sokil, R. Hevko, V. Aulin, L. Serilko, Y. Vovk, D. Serilko, Andriy Dovbysh

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引用次数: 1

Abstract

The theoretical calculations of the dynamics of the conveyor drive chain oscillations for different speeds of bulk material movement as a result of motion internal perturbations have been presented in the article. Resonant oscillations have been studied. It has been established that the amplitude of the transition through the resonance is greater for higher speeds of the conveyor drive chain and the maximum dynamic tension in the chain increases with increasing speed of transportation of bulk material. The dependences of the natural frequency of the system "drive chain of the conveyor line - grain" on the parameters of the system and the amplitude, as well as the amplitude of the resonant oscillations of the system on the speed of grain movement have been obtained. The dependence of the resonance amplitude of the system "conveyor chain drive - grain mass" on the speed of the drive chain at certain parameters has been determined. Taking into account the obtained theoretical data, an improved construction of a tubular chain conveyor with various working bodies and stand equipment using the Altivar 71 frequency converter for complex tasks of the electric drive from 0.75 to 630 kW has been developed. The experimental researches have been carried out and the dependences for definition of productivity and a rotation moment at transportation by the tubular scraper conveyor on curvilinear routes for loose material (wheat and peas) have been received.

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链式管式输送机工作体的动力学

本文给出了由于运动内部扰动引起的不同散装物料运动速度下输送机传动链振荡动力学的理论计算。共振振荡已经被研究过了。已经确定，对于输送机驱动链的更高速度，通过共振的转变幅度更大，并且链中的最大动态张力随着散装材料运输速度的增加而增加。得到了“输送线-谷物传动链”系统的固有频率与系统参数和振幅的关系，以及系统共振振幅与谷物运动速度的关系。确定了在一定参数下“输送链传动-谷物质量”系统的共振振幅与传动链速度的关系。考虑到获得的理论数据，开发了一种改进的管状链式输送机结构，该输送机具有各种工作体和立式设备，使用Altivar 71变频器完成0.75至630kW的复杂电力驱动任务。已经进行了实验研究，并获得了松散材料（小麦和豌豆）在曲线路线上由管状刮板输送机运输时生产率和旋转力矩的定义的相关性。

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来源期刊

Applied and Computational Mechanics Engineering-Computational Mechanics

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

14 weeks

期刊介绍： The ACM journal covers a broad spectrum of topics in all fields of applied and computational mechanics with special emphasis on mathematical modelling and numerical simulations with experimental support, if relevant. Our audience is the international scientific community, academics as well as engineers interested in such disciplines. Original research papers falling into the following areas are considered for possible publication: solid mechanics, mechanics of materials, thermodynamics, biomechanics and mechanobiology, fluid-structure interaction, dynamics of multibody systems, mechatronics, vibrations and waves, reliability and durability of structures, structural damage and fracture mechanics, heterogenous media and multiscale problems, structural mechanics, experimental methods in mechanics. This list is neither exhaustive nor fixed.