RESEARCH ON THE OPERATIONAL QUALITIES OF A MINING MACHINE FOR THE DEVELOPMENT OF MINERAL DEPOSITS
Abishev K.K. Kassenov A.Zh. Mukanov R.B. Sembaev N.S. Suleimenov A.D.
2021National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021#2021Issue 630 - 36 pp.
Mining machines of different types and designs with different technical characteristics have been created for geological exploration. The fleet of mining and transport vehicles engaged in mining production is constantly growing. However, the quantitative growth of the park alone is not enough for a rapid increase in labor productivity. Qualitative changes are needed due to the creation and introduction of fundamentally new means of labor that surpass the best domestic and foreign models of equipment in their technical and economic indicators. The modern development of mining machines is characterized by an increase in their power, traction qualities, cross-country ability, increased reliability and others. These trends in the development of machines can be solved by creating new models of machines or upgrading existing designs of individual components and aggregates of machines. The modernization of mining machines is due to an increase in the energy saturation of the power plant, which leads to an increase in the mass of the mining machines, without significant improvements in the design of the running system. This leads to a more intense impact of the movers of the machines on the ground, to the destruction of its structure. Therefore, it is necessary to improve the performance of the running systems of the machines, which characterize the interaction of the propulsion with the support base. To do this, it is necessary to conduct a study of the influence of the design parameters of the machine on its operational qualities. Experimental studies of the influence of the design parameters of a mining machine on its operational qualities require large expenditures of resources, time and money. In order to reduce the material, time and resource costs of conducting experimental studies and obtaining data for mathematical modeling of the interaction of the propulsor with the ground, physical modeling methods are used. Testing on models makes it possible, as well as on real machines, to identify the qualitative side of even such complex processes as the interaction of propellers with the support surface. A number of general patterns can be established on the model more strictly than on a real machine, since it is easier to exclude the influence of random factors here. The results of the conducted research make it possible to reduce the cost of time and material resources in the creation and operation of running systems of mining machines.
ground , mineral deposits , mining machines , model of a undercarriage of a vehicle , operational properties , physical modeling , traction and drag properties , undercarriage system
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Toraighyrov university, Pavlodar, Kazakhstan
Toraighyrov university
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