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Spiral conveyor
Matoušek, Martin ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals with the structural design of a spiral screw conveyor. In the introduction, a research is carried out, which is focused on the description of existing design solutions of conveyors. At the same time the main parts of the spiral screw conveyor are described. With regard to the basic characteristics of the conveyed materials, the applicability of the conveyor is analysed. Subsequently, the material to be conveyed is selected. Furthermore, a functional calculation is carried out, which corresponds to the information given in the literature. Based on the results of the calculation, the individual components are selected. A control strength calculation is carried out for the force-stressed components. Finally, a detailed design of the conveyor structure is made, which is outlined in a drawing of the spiral assembly and weldment.
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Wood chip belt conveyor
Gonos, Jan ; Hloušek, David (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor's thesis is to perform a design and functional calculation of a belt conveyor with the capacity of 19,000 kg·h-1 for the transport of wood chips with an assumed density of 650 kg·m-3. The height difference reaches 3 m, and the axial transport distance is 19 m. The work includes a brief general description of belt conveyors, their basic elements, functional calculation performed according to ČSN ISO 5048, strength calculation of selected belt conveyor elements and analysis of transported material. The required technical drawing documentation is included in the appendix.
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A wood chipper with tractor connection
Šaroun, Martin ; Škopán, Miroslav (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor's thesis is to design a woodchipper with a connection behind a tractor. From the beginning, we focus on different types of woodchippers and thein parameters. Below are some calculations of the parts that make up a chipper. The work includes 3Dmodels with drawings made in Autodesk Inventor 2020.
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Additional equipment - Brush saw
Burian, Martin ; Malášek, Jiří (referee) ; Zeizinger, Lukáš (advisor)
This work deals with design of a circular saw as an attachment for skid steer loader. Attachment is used for felling and cutting woody plants. The introduction briefly describes machines that use these types of attachments and also describes some specific attachments from selected manufacturers. The following part of the work is design of own solution including the choice of components. The last part of the work deals with control and basic strength calculations of selected components. According to own design, 3D model of whole attachment is created and drawing documentation is made from this model.
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The manipulator for the bulk material
Kalina, Tomáš ; Malášek, Jiří (referee) ; Zeizinger, Lukáš (advisor)
The aim of this bachelor thesis is to design a hand guided manipulator for lifting and tilting boxes for the bulk material. Manipulator is design to transporting these boxes on a flat storage. The theoretical part of this bachelor thesis deals with similar trucks for handling with bulk material. The practical part of this bachelor thesis is focused on the conceptual design of the manipulator and strength calculations. The drawing documentation is part of bachelor thesis.
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Spiral conveyor
Ploc, Jakub ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
Spiral screw conveyors, as conveyors without a traction element, use the effects of rotating spiral for transport. To ensure correct operation during upward transport, a prerequisite for functionality is created in this work. Furthermore, the selection of a suitable material for which the dried sewage sludge was selected is made. In the following parts, the design calculation, and the choice of the conveyor construction for the specified dimensional and performance parameters are performed. Finally, a strength check of the functional parts such as gutter deflection is performed. Part of the thesis is also drawing documentation, which is based on the text part.
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Chain shifter for rail cars
Halásek, Dominik ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals about the design of a chain shifter for brick or ceramic production line. The theoretical part describes the basic characteristics of chain transmissions and their general using. The next part describes calculations of the chain drive. The design of the shifter is processed regarding to realizing the assignment and the good functionality of the device. The output of the thesis is a technical report describing the design theory and calculations. The drawings of the main assemblies of the device are attached.
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Belt conveyor for brown coal
Bezděk, Marek ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The main key in this bachelor thesis is to calculate and design conveyor belt for transport of brown coal for the transport capacity of 140,000 kg per hour and the height difference of 10,5 m and axial distance between the drums at the both ends of 50 m. First part of the work is focused on the main parts of the conveyor belt construction. Then follows the part with the calculation of conveyor belt according to norm ČSN ISO 5048, which is then used for designing of the main parts of the conveyor belt and its dimensions. The thesis is extended by the required technical drawings.
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