Justification of technological scheme of work of the complex of extraction and loading equipment and automobile transport in open-pit mining

The paper considers technological schemes for the use of hydraulic backhoe shovels in combination with modern types of automobile transport. This type of extraction and loading equipment in modern open-pit mining is most often used in the development of placer and construction deposits, where tight working space becomes a frequent phenomenon. The study examines modern mass-produced types of open-pit mining equipment that allow to work with different width of the working ramp. The research methods were the study of the technical documentation of the extraction and loading and transport equipment considered in the work, the justification via formulas of the width of the working ramp for the selected complexes of extraction and loading equipment and automobile transport. As a part of the study, the change of the minimum width of the working ramp for hydraulic excavators of the backhoe shovel relation, depending on the transport used, was justificated. The result of the study were the comparison of the obtained average values of the minimum width of the working ramp for different types of vehicles, the justification of the parameters of working ramp with the use of crawler dump with a rotary mechanism. Crawler dump with rotary mechanism has a number of advantages: shortest time of maneuvering, increased surmountable slop, letting this type of vehicle be used in difficult mining conditions and tight working space without productivity loss. The results of the research are relevant and capable of being implemented in mining enterprises developing placer and construction deposits.

Keywords: open-pit mining, extraction and loading equipment, dump truck, crawler dump, hydraulic shovel, working ramp, loading scheme, maneuvering scheme of loading.
For citation:

Loginov E. V., Masalskiy S. S., Petrov K. D. Justification of technological scheme of work of the complex of extraction and loading equipment and automobile transport in openpit mining. MIAB. Mining Inf. Anal. Bull. 2023;(9-1):22-34. [In Russ]. DOI: 10.25018/0236_ 1493_2023_91_0_22.

Issue number: 9
Year: 2023
Page number: 22-34
ISBN: 0236-1493
UDK: 622.271
DOI: 10.25018/0236_1493_2023_91_0_22
Article receipt date: 02.05.2023
Date of review receipt: 09.08.2023
Date of the editorial board′s decision on the article′s publishing: 10.08.2023
About authors:

E.V. Loginov1, Cand. Sci. (Eng.), Assistant Professor, e-mail: loginov_ev@pers.spmi.ru, ORCID ID: 0000-0003-3965-0839,
S.S. Masalskiy1, Student, e-mail: 433ckacl750@gmail.com,
K.D. Petrov1, Student, e-mail: kostello.w@gmail.com,
1 Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.


For contacts:

E.V. Loginov, e-mail: loginov_ev@pers.spmi.ru.


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