Iniutkin I. Enhancing the effectiveness of the transportation technology system of mine by the way of adaptation of self-propelled equipment to changing the conditions of exploitation

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0421U100884

Applicant for

Specialization

  • 05.22.12 - Промисловий транспорт

01-04-2021

Specialized Academic Board

Д 08.820.01

Dnipro National University of Railway Transport named after Academician V. Lazaryan

Essay

The dissertation is devoted to the decision of a scientific and technical problem on establishment of potential reserves of improving efficiency of transportation technology system of a mine and identification of adaptive capacity factors of LHD new generation in specific conditions of the mine environment by comprehensive consideration of the impact of mining and technological factors on their operational productivity. The experience of using self-propelled equipment with pneumatic wheels in the formation of energy-saving transport and technological systems of mines for the development of uranium deposits in the underground way, differing from traditional, high performance and adaptability. The factors that determine the potential reserves and opportunities to increase the efficiency of the transport and technological system of the mine for the development of uranium deposits by adapting trucks to changes in operating conditions are identified and described. The components of the indicator of the general efficiency of self-propelled equipment are established. Based on the automated collection and processing of information on the technical condition of wheeled trucks and expert assessment of resource indicators of components and parts on the basis of the frequency of their failure, it is established that in today's diagnosis of technical condition of self-propelled mining equipment is a complex task. requires the creation of appropriate modern methods and the use of measuring equipment with additional software. Using a mathematical model of the process of moving LHD in mine workings under conditions of perturbed motion in the transverse plane, the allowable speed of the machine is determined, which varies according to the power law and depends on the moment of inertia of the sprung parts of the machine relative to the longitudinal axis. In order to improve the organization and quality of maintenance and repair of mining equipment, taking into account the conditions of development of uranium deposits, a program and methodology for monitoring the technical condition of used self-propelled equipment and a minimum amount of repairs that ensure its trouble-free operation in difficult operating conditions. The program was based on the idea of automated collection and processing of information on the technical condition of LHD of imported production for expert assessment of resource performance of components and parts on the frequency of their failure. According to the program, the failure rate of units and aggregates of self-propelled equipment was set based on the processing of urgent applications of enterprises for the supply of spare parts for their repair. In work has been parameters of the transport and technological system of the mine are substantiated by determining its capacity and improving the modes of operation LHD of the new generation during transportation ore in difficult mining conditions of uranium deposits development.

Files

Similar theses