Authors: O.A. Lukashuk

Title of the article: Regularities of forming the standard parameters of main mechanisms of open-pit excavator in the process of rock excavation

Year: 2019, Issue: 3, Pages: 14-17

Branch of knowledge: 05.05.06 Mining machines

Index UDK: 621.879

DOI: 10.26730/1816-4528-2019-3-14-17

Abstract: It is shown that in the process of excavating rocks with the front shovel type implement of the open-pit excavator, the standard parameters of the main mechanisms (hoist and crowd) are formed depending on the kinematic properties of the transmission mechanism connecting the main mechanisms to the bucket. Based on the developed simulation model of the excavation process, a computational experiment was carried out and the areas of changes in the standard parameters of the main mechanisms when moving the bucket along predetermined paths were determined. It is established that the speed of working movements depends on the position of the bucket in the face. It is shown that with an increase in the height and radius of digging, the hoist speed decreases, and the crowd speed increases. The results of the work can be used to create an adaptive system of digital control of the excavation process, taking into account the kinematic properties of the transmission mechanism.

Key words: mining excavator standard parameters of the main mechanisms gear mechanism simulation model of the excavation process

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