Shuravin A.A., Marshanin E.V., Belyakov D.V., Mikhailov A.V., Kuznetsov E.E., Shchitov S.V., Samuylo V.V.

Results of research on ensuring the longitudinal stability of a wheeled power vehicle

To increase the traction properties of a wheeled power vehicle, one of the classic solutions is to implement the entire weight load that falls on its propellers. The most rational and applied method in tractor construction is the 4K4 wheel formula, which allows the maximum weight of the tractor to be realized in the coupling. This is especially true when performing transport work in conditions where the implementation of traction properties largely depends on the condition of the base on which the movement takes place. When moving a transport unit on a horizontal surface, various additional methods of increasing traction properties are also known and widely used, often used of which are the installation of additional loads and increasing the contact area of the mover with the base on which the power vehicle moves (twin wheels, half-track, etc.). At the same time, when performing transport operations on roads with a significant longitudinal slope (ascent or descent) these methods of increasing the coupling weight are not always effective due to the unstable nature of the movement. This article presents experimental studies to improve the longitudinal stability of a tractor-transport unit (TTA) by using an original towing-distributing device, which allows simultaneously adjusting the longitudinal stability of the energy vehicle by redistributing the coupling weight inherent in the design characteristics in the tractor-transport unit system during its movement.

Keywords: HEADING STABILITY, STABILIZATION, TRACTOR-TRANSPORT UNIT, TOW-DISTRIBUTING DEVICE, EFFICIENCY