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Title:Wheelslip in skidding with the AGT 835 T adapted farm tractor
Authors:Marenče, Jurij (Author)
Košir, Boštjan (Author)
Language:English
Tipology:1.01 - Original Scientific Article
Organisation:Logo SciVie - Slovenian Forestry Institute
Abstract:The paper presents a wheelslip measurement method for small farm tractors (AGT835 T) adapted for skidding, with mechanical and hydrostatic mechanical transmissions. The research focused on uphill skidding, as slip values measured in uphill skidding are higher than in downhill skidding. A comparisonwas made of the performance of tractors carrying equal load but equipped with mechanical and hydrostatic transmission systems. The hydrostaticdrive causes higher negative load values in downhill skidding, and slightly higher slippage. As for hydrostatic tractors, wheelslip is higher in uphill skidding than in downhill skidding. The increase in the sloping of the terrain causes wheelslip to rise progressively. When a tractor travels uphill,slip is linked to a loss of energy. Wheelslip measurements are therefore important for determining the optimum conditions for individual tractor types.
Keywords:skidding, farm tractor, wheelslip, measurement
Year of publishing:2007
COBISS_ID:1872294 Link is opened in a new window
UDC:630*3(045)=111
ISSN on article:0351-3114
OceCobissID:6206978 Link is opened in a new window
URN:URN:NBN:SI:doc-7B2KEERX
Views:2194
Downloads:648
Files:.pdf PDF - Presentation file, download (722,66 KB)
 
Journal:Zb. gozd. lesar.
Gozdarski inštitut Slovenije
 
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Secondary language

Language:Slovenian
Title:Zdrs koles pri vlačenju lesa s prilagojenim kmetijskim traktorjem AGT 835 T
Abstract:Predstavljena je metoda merjenja zdrsa na majhnih prilagojenih kmetijskih traktorjih - AGT 835 T - za spravilo lesa z mehansko in hidrostatsko-mehansko transmisijo. Poudarek je na spravilu lesa navzgor, kjer je bil ugotovljen tudivečji zdrs kot pri vožnji navzdol. Narejena je primerjava med mehansko in hidrostatsko transmisijo traktorja pri enaki obremenitvi. Hidrostatski pogon povzroča večje negativne obremenitve pri spravilu navzdol, in tudi nekaj večjizdrs. Pri spravilu navzgor je zdrs pri hidrostatski izvedbi znatno manjši. Naklon terena z večanjem progresivno vpliva na večanje zdrsa. Zdrs privožnji traktorjev navzgor pomeni izgubo energije, zato je meritev zdrsa pomembna za določanje optimalnih razmer posameznih tipov traktorjev.
Keywords:spravilo lesa, kmetisjki traktorji, zdrs, meritve


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