Авторы:
Дата издания
24.04.2026На каком языке издана
ISSN
ISSN 1335-4205 (print version) ISSN 2585-7878 (online versionОбласть исследования
Тип исследования
Аннотация (краткое описание)
Given the shortage of petroleum bitumen in the Republic of Kazakhstan, the use of local bitumen-containing rocks is becoming increasingly relevant, which requires the development of specialized mechanization tools. In this paper are discussed the special excavator buckets designed for year-round extraction of rocks with a bitumen content of up to 25%. The design features of the bucket that reduce resistance during digging and unloading are described. Calculations of resistance, chip thickness, operation duration, and productivity of the EO-4121 excavator at different temperatures and bitumen contents were performed. It is shown that unloading becomes more difficult when the bitumen content exceeds 18.2%. A comparison of the calculated and experimental data confirmed the high accuracy of the models usedDOI
10.26552/com.C.2026.025Тип публикаций
Практическое значение
The conducted studies and calculations confirm the relevance and prospects of development and implementation of specialized excavator buckets for effective extraction of oil bituminous rocks in the conditions of the Republic of Kazakhstan. Taking into account the chronic deficit of oil bitumen in the country and the growing needs of road and construction sector, the use of natural bitumen-containing rocks can become a significant reserve to replace the scarce material. The developed bucket designs adapted to the physical and mechanical characteristics of oil-bituminous rocks allow to significantly reduce the cutting forces and resistance during unloading, as well as to increase the productivity of excavator machines. An important advantage is the refusal to use an additional drive for bucket cleaning - the movement of the cleaning frame is realized by the kinematics of the bucket itself, which increases reliability and reduces the cost of equipment. Modelling of the technological process of rock cutting and unloading allowed to reveal the dependence between the bitumen content, rock temperature and duration of operations. Limit values of rock stickiness and adhesion were determined, at which the use of a standard excavator becomes ineffective or impossible. In those cases it is necessary to use new technical solutions or change the machine operation mode.Квартиль
Источник квартиля
SCImago (Scopus)Impact Factor
2.3Данный документ располагается в коллекциях
Международные публикации ученых SU
Scopus