TY JOUR TI WORKING EQUIPMENT OF SINGLE-BUCKET HYDRAULIC EXCAVATOR WITH CHANGED DIGGIN MECHANICS KW excavator KW bucket KW soil KW digging KW construction KW performance JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Buryy, G.G. AU Poteryaev, I.K. AU Skobelev, S.B. AU Kovalevskiy, V.F. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov