Parameters of a grain disk seeder affecting the specific energy consumption
The purpose of this work is to analyze the design and technological parameters of a grain seeder that affect the specific energy consumption for sowing using traditional technology. It is established that energy costs depend on the value of specific energy costs for the technological process. The analysis of produced domestic grain seeders is performed. It is proved that agricultural producers of seed drills equip them with devices for changing the seeding rate, the depth of seed placement, a device for transportation on public roads, and a number of others. All of them allow you to perform tuning operations in a fraction of a minute from the tractor cab. It is established that the traction resistance of the sowing unit from. The rational formula of V. P. Goryachkin includes components - the traction resistance for rolling the seeder and the traction resistance for the technological process of sowing. It is proved that the specific energy consumption for the technological process of sowing is influenced by the technological and design parameters of the seeder. The analysis of the influence of the depth of seed placement, the total capacity of the hopper, the design weight of the seeder, the number of coulters on the specific energy costs. It was found that an increase in the depth of seed place-ment, an increase in the design weight of the seeder is accompanied by an increase in the specific energy costs for seeding. It is proved that an increase in the number of disc coulters leads to a decrease in the specific energy consumption for seeding. The analysis of produced seeders by the value of specific energy costs is performed. It is established that the minimum energy consumption for the technological process has a sowing unit with a grain seeder SZM-3.6. It is established that the design weight of the seeder, the total volume of the hopper and the working width of the seeding unit should contribute to a more intensive increase in productivity compared to an increase in the required capacity.