4_2020_sen_4

Title of the article

DEVELOPMENTS IN LAYOUT AND INCREASING OF TRANSVERSE STABILITY OF MINING DUMP TRUCKS OF EXTRA HIGH LOAD CAPACITY
Authors

STEPUK Oleg G., General Design Engineer – Head of the R&D Center, OJSC “BELAZ” — Management Company of Holding “BELAZ-HOLDING”, Zhodino, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

NASKOVETS Alexander M., Head of the General Layout Bureau, OJSC “BELAZ” — Management Company of Holding “BELAZ-HOLDING”, Zhodino, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

MOISEENKO Vladimir I., D. Sc. in Eng., Prof., Chief Researcher, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

SIDORENKO Aleksandr G., Ph. D. in Eng., Head of the Laboratory of Reliability Problems and Metal Intensity of High and Extra-High Capacity Dump Trucks, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.
In the section DYNAMICS, DURABILITY OF VEHICLES AND STRUCTURES
Year 2020 Issue 4 Pages 28–34
Type of article RAR Index UDK 629.353.02 Index BBK  
DOI https://doi.org/10.46864/1995-0470-2020-4-53-28-34
Abstract Main feature of modern mining dump trucks is the need to ensure the transportation of minerals with minimal costs, which is achieved by deepening the quarries (in order to save overburden), increasing the slopes of roads, reducing the distance of cargo transportation, increasing the load capacity of machines and improving the safety of their movement. It is shown that new work conditions of dump trucks and major specific requirements are resolved mainly at the stage of layout of machines by optimizing wheel arrangement of dump trucks, loading of tires and their performance, providing specific power of the propulsion system, choice of the transmission type and its units, and major systems to ensure operational safety: brakes, steering, stability of motion. Special attention is paid to the creation of a new system for improving lateral stability and its design for dump trucks with a load capacity of more than 400 t. The results of operational studies of the main layout and design solutions adopted for a dump truck with a load capacity of 450 t are presented. Efficiency of the decisions made is shown which made it possible to create a mining dump truck superior to all analogues in the world by indicators of the main operational properties that ensure competitiveness: fuel efficiency, performance, and operating costs. A system created for the first time for increasing lateral stability (schematic diagram and structural elements) confirmed the projected traffic safety in typical quarries and the necessary life in operation.
Keywords

layout, mining dump truck, deep open pits, transverse stability, transverse stabilizer, stabilizer bars
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