Development of a technique for computer simulation of the stress state of the drive drum shell of a belt conveyor to optimize its design parameters

Authors

DOI:

https://doi.org/10.15587/1729-4061.2021.229213

Keywords:

conveyor belt, durability, drive drum, stresses, deformation, finite-element method, lining

Abstract

The paper considers the method of computer simulation of the stress-strain state of the drive drum shell in the NASTRAN integrated environment. Due to the complexity of determining stresses and deformations in the drum sections by the analytical method, it is proposed to solve this important problem using the numerical finite-element method. At the preliminary stage of computer modeling, a mechanical design scheme was developed, including a variable pressure that changes depending on the angle of rotation of the drum, the deterministic relations describing the variable force factors are based on the Euler ratio. It is also proposed to take into account the pressure from the variable friction force, which depends on the changing coefficient of adhesion of the belt to the drum.

As a result of the computer calculation, the equivalent Mises stresses of 65 MPa were determined, the safety factor was 4.2 and the components of the tangential stresses were determined using the stress tensor marker, the shear stress reached the level τ=16 MPa for fabric tape and τ=3.14 MPa for rubber tape. According to the results of the calculation, the dependence of the tangential stresses on the angle of rotation of the drum was constructed. A diagram of the change in the component of tangential stresses along the forming shell of the drum was constructed.

Analysis of stress-strain state allowed us to determine the factor of safety of the drum shell. Based on the analysis of equivalent stresses, it is proposed to further calculate the durability of the drum using the method of long-term fatigue. The computer calculation of shear stresses in the component allows choosing the rational parameters of the lining, based on such indicators as peel strength and break, as well as determining the angle 61° of the slab lining required to improve the reliability and traction ability of the pipeline

Author Biographies

Olzhas Jassinbekov, Satbayev University

PhD

Department of Industrial Engineering

Madina Isametova, Satbayev University

PhD, Associate Professor

Department of Industrial Engineering

Gabit Kaldan, Satbayev University

Postgraduate Student

Department of Industrial Engineering

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Published

2021-04-30

How to Cite

Jassinbekov, O., Isametova, M., & Kaldan, G. (2021). Development of a technique for computer simulation of the stress state of the drive drum shell of a belt conveyor to optimize its design parameters . Eastern-European Journal of Enterprise Technologies, 2(7 (110), 31–39. https://doi.org/10.15587/1729-4061.2021.229213

Issue

Vol. 2 No. 7 (110) (2021): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2021 Olzhas Jassinbekov, Madina Isametova, Gabit Kaldan

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