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Tvorba výnosových map pomocí sklízecí mlátičky JD T660i a jejich další využití
PODHOLA, Matěj
This bachelor thesis is focused on the creation of yield maps, their use and application for variable fertilization. This work briefly describes the JDLink system and its use, summarizes the sensors of the device that transmits data to the system and the description of JD660i combine harvester. Furthermore, attention is paid to land yields, assessments, and subsequent comparison of variable and conventional agriculture.
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Porovnání přenosu vertikálního zatížení od kolových a pásových sklízecích mlátiček
TKADLEC, Jakub
This diploma thesis deals with the comparison of the transfer of vertical load from wheel and belt combine harvesters to the soil. The load that the work deals with is for separate combine harvesters without an attached adapter. The aim of the work, was to create a database of vertical loads under the wheel or crawler chassis of combine harvesters, including the determination of the parameters of self-propelled combine harvesters. The calculated, measured and determined data were then included in graphs and tables with graphical representation of the load. The resulting data from the tables can also be used for computer simulations of soil loading under combine harvesters with wheeled or crawler chassis.
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Porovnání kvalitativních ukazatelů u sklízecích mlátiček s různou konstrukcí mlátících ústrojí
MRAZÍK, Václav
This thesis aims to compare combine harvesters and different thrashing system designs. The different types of harvesters, tangential, axial and hybrid thrashing systems for which measurements were obtained during conducted field work are described in detail. Obtained results are then presented together with discussion on conditions of each measuring activity. Individual stations are then evaluated and comparison of various qualitative attributes affecting the performance, quality and fuel consumption is presented. Evaluation of individual thrashing systems is presented in the conclusion of this thesis together with answers to questions regarding the methodology of conducted measuring activities. Finally, findings from this thesis are applied in practice.
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Porovnání vybrané sklízecí mlátičky v konvenčním zemědělství a v precizním zemědělství.
VALENTA, Pavel
The diploma thesis on the comparison of the harvest of cereals using the combine harvester in the quality of work is based on the technical literature review, which describes the individual parts of the combine harvester from the harvesting adapters to the threshing device. The methodology of this diploma thesis describes the procedure by which the results and values for the comparison of the Class Lexion 770 TT combine when working in manual control and GPS control (Global Positioning System). Measured, calculated and compared values obtained according to the 2019 methodology. Harvesting of grain crops using the combine harvester is compared in terms of harvest efficiency, harvest losses, machine throughput, performance balance and fuel consumption. The thesis also includes basic economic operating costs.
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Provozní porovnání sklízecích mlátiček s rozdílným typem mlátícího a separačního zařízení
SUCHÝ, Václav
The bachelor thesis focuses on theoretical but also practical comparison of combine harvesters with different types of threshing and separating equipment and their historical development. The theoretical part describes the individual parts of these agricultural machines and mentions various possibilities of their implementation. The practical part is focused on the objective examination of the main parameters characterizing the performance and quality of the threshing machine and their comparison among the main competitors of today's supply. The selected technologies are tangential (conventional) and axial (unconventional) threshing and separation mechanisms.
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Porovnání sklízecích mlátiček různých výrobců při sklizni obilovin a řepky
ADAMEC, Petr
The diploma thesis on comparison of combine harvesters in terms of work quality is based on professional literary research, which describes the parts of combine harvesters from adapters to threshing devices. The methodology of this thesis describes the procedure for obtaining results and values for comparison between John Deere 9640 WTS, New Holland TC5060, Claas Lexion 450 and Sampo Comia C8 combine harvesters during work. The results and the conclusion of the work compare the calculated, measured and determined results achieved precisely according to the methodology of 2017. The combine harvesters are compared in the areas of work quality, namely in the lossability, the theoretical throughput, the quality of spreading and crushing of straw and finally in efficiency and fuel consumption. The work also includes the costs associated with opearting combine harvesters.
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Hodnocení a porovnání sklízecích mlátiček CLAAS TUCANO 440 a CLAAS TUCANO 450 při sklizni obilovin a řepky ozimé
BRÝNA, Ondřej
This diploma thesis deals with the evaluation of CLAAS TUCANO 440 and CLAAS TUCANO 450 combine harvesters for the harvest of cereals and winter rape. It evaluates problems in terms of losses, depending on grain humidity, quality of crushing and spreading plant residues. The thesis sets basic performance and is supplemented by a simple analysis of investment and operating costs. The methodology of the solution was based on own measurements, information obtained from the owner, literature and agricultural standards.
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Měření hmotnostní koncentrace polétavého prachu v kabinách zemědělské techniky
MATĚJKA, Petr
This Bachelor thesis is focused on comparison of concentrations of particulate matter in cabins of combine harvesters. Fortschritt E 512, New Holland TX 66 and New Holland CX 880 were selected for the measurement. Literary research contains information about the history of combine harvesters and the basic concepts of dust. The results obtained were evaluated, plotted and compared.
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Crop flow improvements at the Power Flow header
Štelcl, Michael ; Červinka, Jan (referee) ; Kašpárek, Jaroslav (advisor)
The master's thesis is focused on a design of optimal working speed of auger and belt transporter which are parts of Power Flow header for standard type of combine harvester. In the master's thesis author suggest a new simplified theory of crop flow inside the Power Flow header. The thesis contain the factors which can affect the crop flow and comparison between the Power Flow and competitor's header. The thesis also contain geometrical characteristics of crop for four types of cereal.
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Hodnocení sklízecích mlátiček NEW HOLLAND s odlišným provedením hlavních funkčních částí
ZDRAŽIL, Daniel
This bachelor thesis is focused on cereal harvest where the most important elements are the combine harvesters. The thesis also describes the importance of cereals, the history of the combine harvesters and their dividing into groups. The bachelor thesis analyses the difference in the activity, productivity and quality of work made by combine harvesters of the same brand with different threshing device. In this thesis, there is also the comparison which is performed on the same fields during harvest of winter wheat and rape oil.
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