Torsion of an unevenly loaded tubular belt on a straight route of a belt tubular conveyor

Tetiana Zhyhula,A Bulat,Y Kryzhanivskyi,B Liu,V Heyets,O Voloshyn

doi:10.1051/e3sconf/201910900125

Tetiana Zhyhula, A Bulat + Show 4 more

Open Access

https://doi.org/10.1051/e3sconf/201910900125

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Abstract

The problem of torsion of a tubular belt on a straight route of a belt tubular conveyor (BTC) under the influence of stationary de-centering factors is considered. The effect of torques from uneven loading of the belt on the possibility of its torsion is investigated. It is shown, that the angle of rotation of the tape depends not only on the magnitude of the applied torque, but also on the design of the BTC, the geometric characteristics of the section of the tubular belt, the physical properties of its material. The effect of the coefficient of friction of the belt on the rollers on the possibility of its rotation has been investigated for various belt loading options with maximum irregularity. It is shown, that with a decrease in the load of the belt, the danger of its torsion increases. The boundaries, in which the coefficient of friction of the belt on the rollers must be found, are determined, so that the torsion of the belt does not occur.

Highlights

The belt of the tubular conveyor is rolled up into a pipe and moves inside the roller supports, each of the representing a regular polygon formed by supporting rollers
On the straight rout of the belt tubular conveyor (BTC), the greatest danger in terms of the occurrence of torques is represented by stationary de-centering factors – skews of the roller supports in the horizontal plane and deviations of the sections of the base from the axis of the conveyor
We considered the option of maximum load belt BTC

Summary

Introduction

The belt of the tubular conveyor is rolled up into a pipe and moves inside the roller supports, each of the representing a regular polygon (most often a hexagon) formed by supporting rollers. When moving along the roller supports, the belt of the tubular conveyor is subjected to the action of torsional moments resulting from the coagulation of the belt into the pipe, the bending of the conveyor belt, the skewing of the supporting rollers, the uneven loading of the belt. These moments can lead to a significant angular rotation of the belt, which, in turn, will cause instability, spillage of the load, dusting.

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