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Current situation of research into interaction of tire with surface
Kleger, Ondřej ; Kašpárek, Jaroslav (referee) ; Pokorný, Jan (advisor)
Modeling and simulation belong to very important tools used in automotive industry of present days. Simulation forms basis for both – new vehicle development and also improvement of vehicles already in production. A key role of simulation may be seen in the development of vehicle active safety features such as “Anti-Block System” (ABS), “Anti-Slip Regulation” (ASR), “Electronic Stability Program” (ESP) etc. As a common feature, all of the listed systems require accurate simulation of the interaction between the tire and the road surface. Thanks to simulation tools we can model driving situations and behavior of the whole system so that it nearly mimics real behavior of the vehicle on the road. Nevertheless; despite continuously increasing accuracy of the simulation tools, a development process still cannot be completed without real tests and measurements on tires and road surface characteristics.
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Model ranges analysis of threshing machine
Palík, Milan ; Pokorný, Jan (referee) ; Kašpárek, Jaroslav (advisor)
The scope of this bachelor work is to give the basic information and explain the functionality of particular harvester thresher mechanism and confront their synthesis and product mix from different producers. The agricultural engineering sale is large and that is why the first step of the usage will be the company literature and then professional magazines will be given. This work is mainly made through the use of visual documentation, which afford explanation of existing mechanics principle, their particular structural design and summary of producers. Then there will be mentioned their percent sales representation and the confrontation according to the efficiency classes. The attention will be first of all paid to the best in this field, for example to the companies, which are engaged in picking engineering production for cereals, as are for example companies Claas, Fendt. Case IH or New Holland.
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Self-locking mechanism for transport concrete pillar
Folprecht, Michal ; Pokorný, Jan (referee) ; Kašpárek, Jaroslav (advisor)
The thesis is focused on the fastening and transportation of load concrete pillar of given parameters. The goal is to design suitable kinematics of self-locking mechanism to secure the pillar. Handling of design solution contains functional and strength calculation of individual parts of mechanism including its 3D visualization supplemented with drawing documentation.
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Belt conveyor for transport of brick chippings
Menoušek, Martin ; Pokorný, Jan (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor thesis is to design a sloped conveyor belt to transport the crushed brick. Entered parameters are the transporting length 65 m, height 12 m and transporting kapacity 125 t/hr. The thesis includes functional calculation conveyor belt, design tensioning station, design spring tension, the calculation of the drum shaft and design tensioning rod.
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Design of compaction plate
Svatoš, Ivo ; Pokorný, Jan (referee) ; Škopán, Miroslav (advisor)
Design of compaction plate as additional equipment for excavator or loader. The first part of thesis describes individual part of compaction plate and treat of the most frequently used solutions. The second part is an overview of product of selected manufactrers. The third part considered of cencrete design of compaction plate in accordance with submission. The output is drawing of scheme and most functional calculation.
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Three - side gate with hydraulic open mechanism
Krůza, Libor ; Pokorný, Jan (referee) ; Kašpárek, Jaroslav (advisor)
The bachelor project deals with design solutions of the mechanism hydraulically open side gate. The side gate is part of a three-sided dump trailer. The tilting body is used for transport of the powdery materials. The main task of the mechanism is to open the side gate without a driver’s manual work. The side gate is hydraulic open.
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Horizontal belt conveyor
Zeman, Petr ; Pokorný, Jan (referee) ; Špička, Jiří (advisor)
This project proposes a conveyor belt for given material and transport output. A functional calculation is carried out ČSN ISO 5048 which specifies main dimensions and propulsion proposal. Based on strength analysis, calculation of shaft of driving drum is performed. Individual components of conveyor are chosen from catalogues of the companies, which are engaged in these questions, whose products are accessible in the Czech Republic.
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