Research of the work of the sieve mill of a grain-cleaning machine with a linear asynchronous drive

Rustam Aipov; Andrey Linenko; Ildar Badretdinov; Marat Tuktarov; Salavat Akchurin; Rustam Aipov; Andrey Linenko; Ildar Badretdinov; Marat Tuktarov; Salavat Akchurin

doi:10.3934/mbe.2020240

Mathematical Biosciences and Engineering

2020, Volume 17, Issue 4: 4348-4363. doi: 10.3934/mbe.2020240

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Research article

Research of the work of the sieve mill of a grain-cleaning machine with a linear asynchronous drive

1.
Electric machines and equipment department, Federal State Budgetary Educational Establishment of Higher Education "Bashkir State Agrarian University", 50-letia Octyabrya str., 34, Ufa, 450001, Russia
2.
Road construction, communal and agricultural machines department, Federal State Budgetary Educational Establishment of Higher Education "Bashkir State Agrarian University", 50-letia Octyabrya str., 34, Ufa, 450001, Russia

Received: 08 April 2020 Accepted: 09 June 2020 Published: 19 June 2020

This article presents the results of a study of the sieve mill of a grain cleaning machine with a drive based on a linear asynchronous motor instead of a classic mechanical drive. The purpose of this work is to describe the structural and technological parameters of a sieve mill with a linear asynchronous drive to implement a mathematical model of the technological process of a grain cleaning machine work. A kinematic study of the flat hinged mechanism of the sieve mill of a grain cleaning machine was carried out, for which all geometric dimensions are known and the laws of motion of the leading link - the electric drive of the sieve mill based on a linear asynchronous motor are determined. As a result, the following were determined: kinematic modes k_P > k_B > k_H of sieve mill vibrations under various technological conditions; laws of motion of all parts of the mechanism of the sieve mill, movement, speed (0.34... 0.36 m/s) and acceleration (5.8... 6.9 m/s²) of the driven links; a mathematical model of the kinematic scheme of a sieve mill of a grain cleaning machine with a drive from a linear induction motor has been developed. The use of a linear induction motor compared to existing (classical) drive designs as a drive of a sieve mill in a grain-cleaning machine significantly reduces the metal consumption of the structure (drive shafts, transmission mechanisms, connecting rods, bearings are excluded from the structure), and energy consumption is also reduced due to pulse drive operation; makes it possible in a wide range of technological parameters regulation for various crops, including various physical and mechanical parameters of the crop being cleaned.
- kinematic scheme,
- linear induction motor,
- mathematical model,
- sieve mill,
- technological process
Citation: Rustam Aipov, Andrey Linenko, Ildar Badretdinov, Marat Tuktarov, Salavat Akchurin. Research of the work of the sieve mill of a grain-cleaning machine with a linear asynchronous drive[J]. Mathematical Biosciences and Engineering, 2020, 17(4): 4348-4363. doi: 10.3934/mbe.2020240

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Abstract

This article presents the results of a study of the sieve mill of a grain cleaning machine with a drive based on a linear asynchronous motor instead of a classic mechanical drive. The purpose of this work is to describe the structural and technological parameters of a sieve mill with a linear asynchronous drive to implement a mathematical model of the technological process of a grain cleaning machine work. A kinematic study of the flat hinged mechanism of the sieve mill of a grain cleaning machine was carried out, for which all geometric dimensions are known and the laws of motion of the leading link - the electric drive of the sieve mill based on a linear asynchronous motor are determined. As a result, the following were determined: kinematic modes k_P > k_B > k_H of sieve mill vibrations under various technological conditions; laws of motion of all parts of the mechanism of the sieve mill, movement, speed (0.34... 0.36 m/s) and acceleration (5.8... 6.9 m/s²) of the driven links; a mathematical model of the kinematic scheme of a sieve mill of a grain cleaning machine with a drive from a linear induction motor has been developed. The use of a linear induction motor compared to existing (classical) drive designs as a drive of a sieve mill in a grain-cleaning machine significantly reduces the metal consumption of the structure (drive shafts, transmission mechanisms, connecting rods, bearings are excluded from the structure), and energy consumption is also reduced due to pulse drive operation; makes it possible in a wide range of technological parameters regulation for various crops, including various physical and mechanical parameters of the crop being cleaned.

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