Adhesion Coefficient on the Limit of Slippage at Star-Up of the Manual Crane Trolley
 
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1
VŠB - Technical University of Ostrava, 17. listopadu 2172/15, 708 33 Ostrava - Poruba, Czech Republic
2
Technical Univerzity of Košice, Letná 9, 042 00 Košice, Slovak Republic
3
Czech Technical University in Prague, Jugoslávských partyzánů 1580/3, 160 00 Prague 6 - Dejvice, Czech Republic
CORRESPONDING AUTHOR
Leopold Hrabovský   

VŠB - Technical University of Ostrava, 17. listopadu 2172/15, 708 33 Ostrava - Poruba, Czech Republic
Publish date: 2019-06-01
 
Adv. Sci. Technol. Res. J. 2019; 13(2):92–99
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ABSTRACT
Cranes are common handling devices used in construction, assembly and engineering plants. Bridge cranes with a suspended crane trolley (electric or manual operated hoist) are used in almost all engineering and service operations. The trouble-free operation of these devices depends on many factors; one of the parameters influencing the operation of crane trolleys (crane trucks) and crane bridges is adhesion. The presented paper describes the theoretical assumptions, experimental determination and verification of the coefficient of adhesion on the limit of slippage at starting of the manual crane trolley.