Abstract
A traction-driven tillage tool with low traction resistance has been developed. A decrease in the tractive resistance of the implement is achieved by transferring the main share of the power consumed by the implement to the process of loosening the soil through the tractor power take-off shaft (PTO) to the drive needle discs, which in turn create a pushing force. The efficiency of the technological process of soil cultivation depends on the kinematic mode of operation of each row of disk working bodies of the tractiondrive tillage implements. To optimize their kinematic mode of operation, a multifactorial experiment was carried out, which made it possible to establish the optimal values of such factors as the kinematic parameters of the 1st and 2nd rows of needle disks at the set operating speed of the unit.
Highlights
In crop production, tillage is one of the most energyintensive operations, it accounts for up to 40 % of the energy costs of the entire technology [1, 2]
The possibility of increasing the energy efficiency of the unit by reducing the tractor wheel slip and rolling losses of the unit, which is achieved by transferring part of the power through the power take-off shaft (PTO) to the drive needle working bodies, which compensate for the traction resistance of the tool and create a pushing force, reducing the rolling resistance
A decrease in the tractive resistance of the implement is achieved by transferring the main share of the power consumed by the implement to the technological process of loosening the soil through the tractor power take-off shaft to the driven rotary working bodies, which in turn create a pushing force, minimizing the traction resistance of the tillage implement [6]
Summary
Tillage is one of the most energyintensive operations, it accounts for up to 40 % of the energy costs of the entire technology [1, 2]. Increasing the energy efficiency of tillage is one of the important tasks in increasing the profitability and environmental friendliness of agricultural production. In this regard, relevant and significant research is aimed at optimizing the technological parameters of machine-tractor units, allowing to increase the efficiency of the use of energy resources in crop production. The possibility of increasing the energy efficiency of the unit by reducing the tractor wheel slip and rolling losses of the unit, which is achieved by transferring part of the power through the PTO to the drive needle working bodies, which compensate for the traction resistance of the tool and create a pushing force, reducing the rolling resistance.
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