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Down conveyor belt for brown coal
Buyalskiy, Alexandr ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals with the design of a belt conveyor with negative principle for transport brown coal, with regard to the given parameters, which are given in the assignment to work. The first part of this work includes the purpose and distribution of belt conveyors.Furthermore, the construction and a brief description of the individual parts of the conveyor are dismantled. The computational part illustrating the suggestion of the main parameters of the conveyor according to ČSN ISO 5048.Also the design and safe calculating of tension station are shown. Technical drawings are accompanied to the thesis.
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Drive system by serial connection of rotary hydromotors
Pokorný, Pavel ; Knoflíček, Radek (referee) ; Omes, Jiří (advisor)
The thesis deals with the problem of large-capacity manipulation of large forgings with forging manipulator. It describes current techniques, their characteristics, advantages and disadvantages. Based on the analysis of these techniques, the thesis introduces design of the connection of the hydraulic circuit for the drive of the traveling traction wheels of the forging manipulator QKK 100 by ŽĎAS a.s. focusing on simplicity, trouble-free operation, efficiency, economy, change of speed and torque, and possibility of modification according to the current load.
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Vertical worm conveyor
Sordyl, Martin ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The aim of this thesis is realization of functional calculation, design creation of vertical worm conveyor according to required parameters and consideration of transported materials. Here is realized calculation of main parts of the conveyor, approximate transport performance, design of propulsion, gear, conjuction and regulatory unit, emplacement of worm and strength control of functional parts of the machine. This thesis is composed of technical report and drawings.
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Creeper
Kadla, Zdeněk ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals with the design of the creeper for technological production line. Part of this thesis is the technical report with analysis and calculation of the proposed solution, describing the ultimate possibility of chain drives and different types of chain. Attached to the project is drawing documentation containing the plan of the facility, subassembly drive chain tension and the detailed drawing of the drive chain wheel.
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Concept of a modular tandem trailer
Pavlovič, Matúš ; Pokorný, Přemysl (referee) ; Kašpárek, Jaroslav (advisor)
This bachelor thesis focuses on analysis of construction elements of two-axle trailer as a carrier of changeover system. Furthermore, this thesis includes own conceptional desing of two-axle trailer, it’s frame and suitable construction elements, also calculations for verification of functionality of the frame. Thesis also includes drawing documentation of the trailer.
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Mobile wheel cranes
Matula, David ; Pokorný, Přemysl (referee) ; Škopán, Miroslav (advisor)
The aim of the thesis is introduction of mobile crane and comparison of individual models from different manufacturers. The first part is devoted to the history of cranes. Other types of cranes are mentioned here as well. In the main part are mentioned systems that we can encounter in cranes. At the same time, it categorizes cranes of the world's leading manufacturers according to the main technical and dimensional solutions. The third and last part of the thesis, is trying to estimate development trends.
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Belt conveyors - special constructions
Hejl, Radek ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor thesis is to draw up an overview of manufacturers of belt conveyors and their individual components together with clarification of functions and construction of selected units. The work includes basic division, overview of manufacturers of different types of belt conveyors, diagram and description of individual parts, analysis of conveyor belts, drums, belt cleaners and others, together with the overview of manufacturers of these components. It also contains an assembly drawing of the selected unit.
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Differential tackle
Pavliš, Jakub ; Pokorný, Prokop (referee) ; Malášek, Jiří (advisor)
This bachelor´s thesis deals with the proposal and calculation of self-locking differential tackle with hand drive. Maximum lift capacity is 670kg and lift 5,2m. It includes evolution of differential tackles and description of the structure Weston´s differential tackle. Next theoretical calculation and the calculation of chosen construction, which involves the calculation of chain, sprockets, supporting structure and assessment of limits of self-locking. Drawing documentation is included in this thesis.
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