STUDY OF THE TRACTION DYNAMICS OF AN AGGREGATE CONSISTING OF A FRUIT- HARVESTING MACHINE AND ITS TWO-AXLE CONTAINER-CARRYING TRAILER PLATFORM
DOI:
https://doi.org/10.5281/zenodo.23260824Abstract
The paper presents a theoretical study of the traction dynamics of an aggregate consisting of a self-propelled fruit-harvesting machine proposed for intensive orchards and its two-axle container-carrying trailer platform. Based on the force diagram for the machine and trailer platform moving on a slope, equilibrium and motion equations are derived to determine the normal wheel reactions, the total traction force of the machine, and the drawbar force, together with expressions for the machine power balance. A worked numerical example shows that, with a fully loaded trailer, increasing the slope from 0 to 5° raises the drawbar force from 2.35 to 4.40 kN, the machine traction force from 4.91 to 9.16 kN, and the required motor power at 10 km/h from 17.2 to 37.3 kW, while the front-axle load decreases from 11.21 to 9.79 kN. The results can be used to calculate the drawbar force and power of the fruit-harvesting machine, select an appropriate electric motor, and design similar machines.Keywords
intensive orchard, mechanization, fruit-harvesting machine, trailer platform, container, traction dynamics, drawbar force, power balanceReferences
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