TY CONF TI ANALYSIS OF LOAD CHANGES IN THE COUPLING DEVICE IN THE PROCESS OF OPERATION OF A TIMBER VEHICLE WITH A TRAILER KW coupling device KW load KW logging vehicle KW trailer KW design factors KW logging road KW speed KW clearance KW brak-ing KW elastic connection JO Innovations in road transport AU Posmetev, V.I. AU Nikonov, V.O. AU Siz'min, I.V. AU Zlobin, S.M. PY 2022 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov