Авторы:
Дата издания
15.05.2025На каком языке издана
ISSN
ISSN PRINT 2345-0533, ISSN ONLINE 2538-8479Область исследования
Тип исследования
Аннотация (краткое описание)
. The study of the resistance of the bulldozer blade burial at a stationary machine is aimed at studying the force factors acting on the working tool during its penetration into the ground. When the machine is not moving, the blade deepening causes an increase in passive resistance from the ground, which acts on the front and rear edges of the blade. This resistance increases with the depth of burial, which requires an increase in force for further advancement of the working body into the ground. An important feature is that in the initial stages of blade insertion, the resistance at the front face increases significantly, increasing the forces. At the rear edge, the re-sistance also increases as the blade deepens. Cutting angles have a significant effect on resistance changes: at higher cutting angles, the resistance decreases, reducing the load on the working mechanisms. The results of the study emphasize that for efficient knife deepening with the machine stationary, higher cutting angles should be used, which reduces passive resistance, improving productivity and reducing energy costs.DOI
https://doi.org/10.21595/vp.2025.24927Тип публикаций
Практическое значение
Deepening of the bulldozer's working body into the ground can be considered as pressing a complex-shaped die into the soil mass, which is subjected to the force developed by the drive mechanism. Under the influence of the gravity of the implement and the force generated by the drive mechanism, stresses are generated in the soil massif on both sides of the blade faces (front and rear), the magnitude and distribution of which depend on the load, geometric parameters of the belt and soil characteristics. The forces acting on the knife edge during indentation are determined by the method of S. S. Golushkevich. The increase in the cutting angle leads to a decrease in the projection of the indented part of the blade on the horizontal plane, which, in turn, reduces the area of contact with the soil and the volume of the protrusion prism. This leads to an increase in the specific vertical pressure of the blade on the ground and a decrease in its resistance to penetration. Consequently, for effective deepening of the bulldozer’s working body when the machine is stationary, it is necessary to use a larger cutting angle.Impact Factor
0.9Количество цитирований
1Данный документ располагается в коллекциях
Международные публикации ученых SU
Scopus
Файлы документа
17. Vibroengineering Procedia, Volume 58 (2025).pdf