Naslov
Assessment of the maximum possible extension of bucket wheel SchRs740 boom based on static and dynamic calculation

Autori
Petrović, Branko ; Petrović, Ana ; Ignjatović, Dragan ; Grozdanović, Ines ; Kozak, Dražan ; Katinić, Marko

Izvornik
Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku (1330-3651) 23 (2016), 4; 1233-1238

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, stručni

Ključne riječi
bucket wheel boom; dynamics; FEM; increasing the boom length; stress

Sažetak
Bucket wheel boom represents the most loaded and the most responsible part of the excavator structure, participating only with 6 to 13 % in the entire excavator weight. Its length is selected depending on the technological requirements of mining deposit, and it has to be adjusted with the designed possibilities of the excavator. At the request of mining technology that is in compliance with the soil-mechanical properties of deposit, conditions for the selection of excavator optimal parameters are created, and therefore for determining the required length of the boom. In this paper, analysis of dynamic and static behaviour of boom extended from 1 to 10m with a step 1m was done. The maximum possible extension is defined as the aspect of the structural performance, dynamic behaviour and stress field. Finite Element Method (FEM) is used to obtain natural frequencies, displacements and stresses.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

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