Justification of the algorithm for selecting the parameters of the elastic lining of the drums of mine hoisting machines

Zabolotnyi, Kostiantyn; Panchenko, Olena; Жупієв, Олександр Леонідович; Haddad, Jamil

doi:10.1051/e3sconf/201912301021

Cited by 9 publications

(7 citation statements)

References 7 publications

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“…Today, computer programs are usually used to design a machine that does not provide for constructing physical models of objects [7,8].…”

Section: Introductionmentioning

confidence: 99%

Methodology for Service Life Evaluation of Screens Welded Structures

Shkut

2024

JES

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The methodology of research on welded assemblies for fastening vibrators is based on modern software products, in particular SolidWorks Simulation in combination with SolidWorks Motion and hot spot stress (HSS) technology. It has been determined that the research on welded assemblies using the SolidWorks Education Edition software package is expedient, considering the most unfavorable situation, when there is a lack of fusion of edges. The solid-state model displays a lack of fusion as a gap between the welded parts. The research on the stress-strain state of welded structures using the finite element method shows that when the computational mesh cell size is reduced, the stress increases significantly, indicating the model singularity and the need for further application of the HSS technology. Research has revealed that the maximum stresses occur in those points of the welds where the longitudinal middle rib is connected to the plate and pipe. It has been determined that the service life of welded joints will exceed 2·106 cycles. To assess the accuracy of calculating the dynamic forces arising during the screen operation, the modeling results using the SolidWorks Motion program are compared with those classical methods that use the Lagrange equation of the second kind. It turned out that the calculation error does not exceed 30 %.

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“…Today, computer programs are usually used to design a machine that does not provide for constructing physical models of objects [7,8].…”

Section: Introductionmentioning

confidence: 99%

Methodology for Service Life Evaluation of Screens Welded Structures

Shkut

2024

JES

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“…This concerns the justification of new methods for determining the loads during multilayer winding of a rubber cable [7], including assessing the effect of parameters of a rubber cable on the rigidity of the winding body [8]. Other sources are devoted to the theory of laying a hoisting rope on a drum [9,10], justification of the algorithm for selecting the parameters of the elastic lining of the drums [11], determination of the dependence of dynamic parameters on the parameters of the technical condition of individual units of the installation [12,13], and may be useful in the practice of studying the stress-strain state of drums of mine hoisting machines [14]. Noteworthy is the work on substantiating the parameters of equipment for dewatering the ropes of mine hoisting plants [15], as well as the study of equipment for the development of gas-bearing coal seams [16].…”

Section: Introductionmentioning

confidence: 99%

Development of the concept of recurrent metamodeling to create projects of promising designs of mining machines

et al. 2020

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In the work on the example of a tunnel erector, the concept of recurrent metamodeling is determined which allows engineering new designs of mining machines. In this case, the metamodel of their entire family is associated with the family of models of machine nodes. The effect of various laws of movement of the erector devices is analyzed and it is proved that its minimum time is observed under conditions of compliance with the U-shaped law. A mathematical model of the hydraulic drive of the erector devices has been developed, which allows, taking into account any options for moving the point mass, to determine the law of control of the movement of the spool of the hydraulic directional control valve (DCV) in relation to the laminar and turbulent type of liquid flow. The erector device metamodel was created using the algorithmic language MATLAB Simulink.

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“…Величину зносу визначали за формулою: Результати дослідно-промислового випробування футерування з фенол-капрону. На основі вживаної поліамідної тканини була виготовлена і встановлена пружна футеровка з матеріалу фенол-капрон на підйомній машині Ц-3,5×2 [5,6]. Тип підйому -клітковий, діаметр каната 37,5 мм, крок укладання каната -40 мм, максимальний натяг каната становить 10 тс, швидкість підйому 5 м/с, довжина каната 800 м, середнє число циклів підйому 100.…”

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Technology of manufacturing composite phenol-nylon lining of drums of mine hoisting machines

Zabolotny,

Kukhar,

Panchenko

2023

Coll. res. pap. nat. min. univ.

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Objective. The development of an industrial technology for the production of phenolic caprolactam for lining the drums of mine hoisting machines, followed by testing of the material in industrial conditions. Methodology. A comprehensive approach that included several stages. The development of the technological process for the production of phenolic caprolactam was based on a detailed analysis of the optimal conditions for synthesis and material formation. The conduct of industrial tests ensured an in-depth study of the physical and mechanical properties of phenolic caprolactam, which is critical for its effective use. The manufacturing and installation of linings on mine hoisting machines provided an opportunity to assess the practicality of the developed material. Results. The successful development of an industrial technology for the production of phenolic caprolactam opens new possibilities for the production of lining materials. The study of the physical and mechanical characteristics of the material revealed its high strength and wear resistance properties, which are critical for application in mining conditions. Scientific novelty. For the first time, a comprehensive investigation has been conducted on the dependencies between the technological parameters of the phenol-caproic press composite manufacturing process (binder content, pressing temperature, specific pressure) and the key physical and mechanical characteristics of the resulting material (tensile strength and relative elongation). Standardized test methods were employed to ensure an objective assessment of the impact of parameter variations on material properties. Subsequently, statistical analysis of the experimental data yielded regression equations that quantitatively describe these dependencies. Practical significance. The developed technology ensures optimal conditions for achieving maximum strength of the phenolic caprolactam composite. This contributes to increasing the efficiency and safety of mine hoisting machines' operation.

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Justification of the algorithm for selecting the parameters of the elastic lining of the drums of mine hoisting machines

Cited by 9 publications

References 7 publications

Methodology for Service Life Evaluation of Screens Welded Structures

Methodology for Service Life Evaluation of Screens Welded Structures

Development of the concept of recurrent metamodeling to create projects of promising designs of mining machines

Technology of manufacturing composite phenol-nylon lining of drums of mine hoisting machines

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