Abstract
Caterpillar movers is a widespread variant of implementing conveying mechanisms for lifting, construction and road vehicles, which has a number of advantages in comparison with rail-wheeled, pneumatic-wheeled and stepping mechanisms, in particular, it does not require working platforms and has improved driving qualities when moving over rough terrain. This paper proposes an inversion approach to the traction calculation of a tracked mover, which lies in representation of its traction and carrying elements in the form of a closed contour, which allows applying the basic provisions of the theory of traction calculation of continuous vehicles to determine the resistance to motion and, accordingly, the tension in the contour of the caterpillar belt. The proposed approach makes it possible to estimate the contribution of different motion resistances to the total traction force during the rectilinear motion depending on the design features of each specific area of the tracked belt taking into account the load redistribution between different caterpillars of one chassis. The obtained results can be applied both in designing conventional special tracked vehicles and in developing prototypes of caterpillar vehicles with displaced load application centers, in particular, caterpillar chassis of mobile transport-overloading rope complexes.
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