Improving the Performance of the Hydraulic Drive of an All-Terrain Vehicle in Low Temperature Conditions

Currently, 70 % of Russian localities with a population of 9 million people are not connected to the transport system of the country by paved roads, especially in the northern regions, where the ambient temperature in winter does not rise above -500C. Road transport accounts for the largest number of transported goods. One of the vehicles of this type is an all-terrain vehicle Trackol, designed to move on roads with a weak surface: on snow, swamp and soil cover of thawed taiga. The analysis of the vehicle Trackol operation has shown insufficient reliability of its transmission. Analysis of of using the vehicle Trackol showed insufficient reliability of its transmission. To improve the situation the mechanical transmission has been replaced with a hydraulic one, taking into account the main disadvantages associated with maintaining the cleanliness of the working fluid. A system for regulating the temperature of the working fluid in the hydraulic drive of an all-terrain vehicle has been developed. The design of the working fluid filter is proposed, allowing capturing not only dirt, but also moisture due to the use of polyvinylformal of the TPVF brand as the filter element material.

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