Tractors and self-propelled agricultural machinery

• Poljoprivredno prehrambeno mašinstvo, Semester 1, position 1

1. Mastering the theoretical foundations of propulsion machines - tractors and self-propelled agricultural machines - combines; 2. Concepts and constructions of agricultural tractors, motor cultivators and self-propelled chassis; 3. Transmission and connection systems for working machines and aggregates; 4. Concepts of simultaneous power transmission via drive wheels and PTO shafts, energy balance; 5. Theory of work, conception and construction of the combine, calculations of the movement of the moving part and technological devices of the combine.

1. Basic knowledge in the field of theory of work, conception and construction of driving machines - tractors, cultivators and self-propelled chassis and universal self-propelled combines; 2. Analysis of mechanical, hydrostatic and combined transmissions of agricultural tractors, self-propelled chassis and universal self-propelled combines; 3. Application of computers in calculations of plants and technological devices; 4. Connecting basic engineering knowledge and achieving a synergistic effect; 5. Acquisition of practical skills and application in practice. Upon successful completion of this course, students should be able to: • Manage the procurement of tractors with adequate characteristics according to the available agricultural machinery that the tractor aggregates, • Organize and conduct operation and maintenance of tractors and self-propelled agricultural machines, • Performs and applies solutions of various concepts of tractors and self-propelled chassis, • Make plans for testing tractors, • Determine, formulate and control the ergonomic conditions of the operator.

1. Introductory considerations, theory of work, concepts and constructions of driving machines - agricultural tractors, motor cultivators and self-propelled chassis; 2. Concepts of transmissions and energy balance of simultaneous power transmission via drive wheels and PTO shafts; 3. Concepts, devices and systems for connection and formation of aggregates tractor - working agricultural machines; 4. Constructions and theories of operation of universal self-propelled combines; 5. Calculations of technological devices of combine harvesters; 6. Concepts of moving part drive, hydrostatic power transmission, selection of components and calculation of hydrostatic moving part drive and technological devices of the combine.

1.Laboratory exercises: 1.1. Practical introduction to technical solutions of tractor, motor cultivator and self-propelled chassis assemblies; 1.2. Practical introduction to technical solutions of assemblies and technological devices of the combine. 2. Calculation tasks: 2.1. Development of computer tasks using computers and modern software packages in the field of tractors; 2.2. Creation of calculation tasks using computers and modern software packages in the field of universal self-propelled combines. 3. Project development: 3.1. Preliminary design in the field of tractors and self-propelled chassis; 3.2. Preliminary design in the field of universal self-propelled harvesters.

Only for students IBS modul.

Lectures in electronic form, slides from lectures (handouts), instructions for laboratory exercises, assignments, instructions for drafting projects, laws, standards and regulations for tractors and self-propelled harvesters.

Total assigned hours: 75

New material: 20
Elaboration and examples (recapitulation): 10

Auditory exercises: 0
Laboratory exercises: 10
Calculation tasks: 10
Seminar paper: 0
Project: 10
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Review and grading of calculation tasks: 2
Review and grading of lab reports: 5
Review and grading of seminar papers: 0
Review and grading of the project: 5
Test: 0
Test: 0
Final exam: 3

Activity during lectures: 10
Test/test: 0
Laboratory practice: 20
Calculation tasks: 20
Seminar paper: 0
Project: 20
Final exam: 30
Requirement for taking the exam (required number of points): 30

Мартинов М., Мој трактор, Рес траде, Нови Сад 2007.; Живановић З., Јанићијевић Н., Аутоматске трансмисије моторних возила, Београд, 2000.