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Travelling crab
Pokorný, Emil ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This thesis deals with calculation and proposal hoisting mechanism of travelling crab with lifting capacity of 25 000 kg. In this thesis are proposed elements of rope system, which include rope, pulleys and rope drum. Part of the thesis is also the strength calculation of the sheave block and proposal of individual components of the lifting mechanism drive such as engine, gearbox and brake. The output of this thesis is a drawing documentation including drawing of the sheave block assembly and drawings of selected details.
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Traveling Mechanism of Crane Trolley Capacity 32 tons
Bláha, David ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
This bachelor work describes the design of running gear bridge crane trolley with lifting capacity 32 tons. The main objective of this work is the design and calculation of selected components of the running mechanism and parts directly related. The work contains a selection of design solutions, design drive motor with gearbox and brake, couplings, bearings, countershaft and output shaft. The work includes stress analysis of selected components. The work also includes drawing documentation.
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Belt conveyor for food corn
Homolka, David ; Jonák, Martin (referee) ; Malášek, Jiří (advisor)
The aim of this thesis is to design an angled belt conveyor for transportation of food corn with the capacity of 65,000 kg per hour and axial distance between the drums at both ends of 20 meters and height difference of 6 meters. The thesis includes brief descriptions of individual parts of the conveyor, functional calculation, which is performed according to the current standard ISO 5048, determination of basic dimensions, design of the drive and tensioning device of the conveyor. In its nal part, the thesis contains an analysis of the characteristics of transported material. The thesis is accompanied by all the necessary technical drawings.
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Transfer table electromechanical
Přecechtílek, Pavel ; Malach, František (referee) ; Malášek, Jiří (advisor)
The aim of this thesis is to design a proposal of Transfer table electromechanical earmarked for transporting packs of sheets of tin with balance-sheet of electromechanical and electrohydraulic construction and to make important technical calculations. The introduction contains a description of the used constructional solution with the description of the individual parts of the transfer table and survey used components from different producer. The work includes functional calculations, which mainly includes the design and control of power running and lifting gear, calculate speeds and lift loads, the chain drives and other assemblies Transverse. Conclusion of this work deals with the assessment of the frame strength of the Transfer table using the finite element method. Further the work deals with the assessment of the maximum capacity of the machine and with any design modifications. The work also contains a design documentation, especially the plan of the Transfer table and detailed drawings of the frame and eccentric casters.
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Belt conveyor with sliding plate
Hofbrucker, Pavel ; Malášek, Jiří (referee) ; Řezníček, Milan (advisor)
The aim of this bachelor's thesis is to design a feeding belt conveyor which is part of the firewood processor. The thesis discusses: concepts of designed solutions, choice of conveyor's construction parts of the conveyor, calculations of its functioning, driver design, calculations of the firmness of the tensing device and the design of suspending the conveyor to a machinery.
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Differential tackle
Rada, Stanislav ; Kašpárek, Jaroslav (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals with the design and construction of self-locking differential tackle, which will have a capacity of 300 kg and its Maximum lift height is 7000 mm. The aim of this work is to design self-locking tackle with an assessment of the limits of safety and self-locking. It contains important design strength calculations with special look on manual handling. Design documentation is included in this thesis.
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3D models of stress tensor
Stieber, Petr ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor´s thesis is to create 3D models of stress tensor. Mohr´s circles serve as a base for identification of size and direction of stress component. These are then used for the 3D modelling in software Rhinoceros. Final models in the form of colored areas show general, normal and shear stress for the individual states of stress.
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Pillar jib crane
Dias, Aleš ; Řezníček, Milan (referee) ; Malášek, Jiří (advisor)
The aim of my work is conceptual design pillar jib crane including important strength calculations. Payload is 1500 kg and length jib is 4 000 mm. The pillar jib crane is working near the wall and angle turning is 180°. The work also includes the selection lifting gear with manufacturer´s catalog.
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Bucket elevators
Žák, Zdeněk ; Jonák, Martin (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals with the transport equipment using as the main transport element buckets. To specify this is a device type of elevator, conveyor, digger and excavator, including companies producing these devices. Further work is focused on theoretical and technical approach to calculate where the theoretical part of the thesis deals with the mathematical expression shape layers and logarithmic spiral and in the technical part calculations required to design and determine the parameters of devices. The last section is an overview of transported materials.
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