%0 Journal Article %T INCREASING THE TECHNICAL LEVEL OF HYDRAULIC MANIPULATORS OF AUTOCOLLIMATIONAL %A Popikov, P.I. %A Chetverikova, I.V. %A Chernykh, A.S. %K hydraulic manipulator, damper, hydraulic actuator, boom, rotary column %J Actual directions of scientific researches of the XXI century: theory and practice %D 2020 %N 8 %P 5 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov