Abstract

Hydraulic Transmission of Agricultural Machine Appropriate for Treating Extreme Steep Farmland Terrains

Highlights

  • For treating steep terrain planted with permanent crops and inclined at angles greater than 60% normally a winch system is required [1]

  • The machine drives on steep terrain with the incline up to 60%, when the hook is located at the limit switch

  • It is important that the agricultural machine is manufactured in accordance with the presented premise and that it works excellently

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Summary

INTRODUCTION

For treating steep terrain planted with permanent crops and inclined at angles greater than 60% normally a winch system is required [1]. The first motor powers the winch system, the other one powers the accessories located on the cart This machinery is limited in use because it works on steep terrain only. When the agricultural machine is moving downhill in a steep area, the potential energy drives the second accessories. Martin KODRIČ et al.: Hydraulic Transmission of Agricultural Machine Appropriate for Treating Extreme Steep Farmland Terrains pump 3 presses oil via valves Dv-2 and Cv 4/2 to hydraulic motor 5 on accessory 2, oil goes back via the cooler to tank 1. The potential energy can come from the tense winch rope, which powers the additional pump and that produces the pressure energy in the hydraulic system.The major advantage of the presented hydraulic system is its ability to combine the two energy sources and to transform their energy into proper input torque and rpm adequate for accessories. Where ∆V is volume diference; αT is the coefficient of stretching; V0 is initial volume and ∆T is temperature difference

CONTROL AND OPERATION OF THE MACHINE
Control of the Machine Drive
Control of the Accessories Drive
Operation of the Machine
MACHINE PROTOTYPE TESTING
RESULTS AND DISCUSSION
CONCLUSION
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