Abstract
The level of preparation of a row seeder for work and its adaptability to adjustments and settings affects the efficiency of sowing. Analysis of the designs of modern row seeders shows that after-sales service remains a reserve for improving the efficiency of their use, and, therefore, increasing the agricultural crop yields. However, the technologies for the preparation and adjustment row seeders remain poorly understood, and the search for ways to reduce the complexity of maintenance for sowing units is an urgent task. The aim of the study is to build a mathematical model of the technology for checking, adjusting and tuning a row seeder on the basis of graph theory, determining a way to reduce the complexity of servicing maintenance a row seeder in preparation for sowing and justifying a rational way of organizing the seeder setting. Taking into account a number of assumptions and initial conditions, a list of operations for adjusting and setting the seeder is developed. A digraph of a row seeder preparation technology is constructed, which displays the sequence and relationship of the operations of preparation, adjusting and sitting its nodes and mechanisms. The critical path with the greatest time spent on seeder maintenance is determined. The methods for reducing the complexity of maintenance of a row seeder were established and it is recommended that further modernization of the units and mechanisms of the seeder by indicators in terms of suitability for verification, adjustment and setup. The methods of preparing the seeder for work by one performer are considered. The influence of economic factors on the number of performers during maintenance of the seeder before sowing is shown.
Highlights
The yield of row crops is determined by the quality of the field work, including the quality of sowing
Analysis of the designs of modern row seeders shows their low adaptability to testing, adjustment and setting [1]
This leads to the low efficiency of the use of a row seeder and loss of crop yield
Summary
The yield of row crops is determined by the quality of the field work, including the quality of sowing. This leads to the low efficiency of the use of a row seeder and loss of crop yield. Improving the efficiency of use of sowing units can be achieved by reducing the complexity of service operations, increasing the adaptability of row seeders to checking and adjusting, improving and developing new technologies, methods and means of monitoring their parameters and operating modes. Maintenance operations remain a reserve for increasing the efficiency of use of seeders and increasing crop yields [2]
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