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To transport, divide or separate bound plant materials, in agricultural engineering, conveyor-type mechanisms, equipped with teeth to capture a layer of material are used. The quality of the work of such mechanisms depends on the shape of the teeth that capture and transport a layer of plant material. To describe such processes, it is appropriate to use mathematical models based on the differential equations of motion. The choice of the rational shape of the tooth profiles is based on the formulation of the optimization task, where the parameters of the goal function are the coordinates of the elementary particle of the layer of moving plant material, and the system of restrictions is formed considering the geometry and kinematics of the transport mechanism. The most important thing is to analyze the principle of operation of the machine and to determine the starting points of the capture of a bunch of plant stems by the tooth and the place of its complete descent from the tooth, depending on the time spent in the contact zone. The quality of the design of the structural elements depends on the correctness of the formation of such geometric and kinematic parameters. The article proposes a technique for constructing profiles of working surfaces of conveyor teeth for a number of agricultural machines.

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Engineering Design of Conveyor Tooth Profile Using Modeling and Optimization Methods

  • 会议论文

  • 发表日期：

    2026年

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  • Ruslan Kirchuk,
  • Lyudmyla Zabrodotska,
  • Taras Haponiuk,
  • Oleg Kindrat

摘要

To transport, divide or separate bound plant materials, in agricultural engineering, conveyor-type mechanisms, equipped with teeth to capture a layer of material are used. The quality of the work of such mechanisms depends on the shape of the teeth that capture and transport a layer of plant material. To describe such processes, it is appropriate to use mathematical models based on the differential equations of motion. The choice of the rational shape of the tooth profiles is based on the formulation of the optimization task, where the parameters of the goal function are the coordinates of the elementary particle of the layer of moving plant material, and the system of restrictions is formed considering the geometry and kinematics of the transport mechanism. The most important thing is to analyze the principle of operation of the machine and to determine the starting points of the capture of a bunch of plant stems by the tooth and the place of its complete descent from the tooth, depending on the time spent in the contact zone. The quality of the design of the structural elements depends on the correctness of the formation of such geometric and kinematic parameters. The article proposes a technique for constructing profiles of working surfaces of conveyor teeth for a number of agricultural machines.