National Repository of Grey Literature 275 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Lifts - development and routine
Minařík, Adam ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor thesis deals with the most used elevator in the last decade and its description, when the book sources were used, but mostly the practice and information from the employees of the company Výtahy s.r.o. Further, the work contains some of the latest solutions in the area of elevator technology and exceptional solutions of lifts.
Martinek, Jan ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
Windlass is a lifting device widely used in the building industry for lifting or laying building material or other material. This thesis consists of two parts. The theoretical part focuses on existing solutions of different windlass types and contains also a general overview of windlass producers. This part is also concerned with strength and functional calculations of the device and designs individual components of the device. The other part of this thesis is the construction part which is focused on drawings of the overal equipment assembly, contains the list of components and selected production drawings.
Hydraulic rake screen - optimization
Milostný, Aleš ; Kašpárek, Jaroslav (referee) ; Malášek, Jiří (advisor)
The introduction of this Bachelor thesis is devoted to the problematic of rake screen cleaning. The next part describes individual device construction solutions. Continuing with geometry optimizations of the hydraulic controlled screen cleaning device and a force analysis based on positioning. In the end, optimal device dimensions are defined based on the size of the water intake and the geometry of the screens.
Mechanical screens for a small hydropower plant
Šašková, Monika ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
The first part of this bachelor thesis contains a short summary and overview of different types of screens. The main goal of this thesis is the calculation of selected parts of hydraulically driven screens and the part of this thesis is also the design of hydraulic circuit. The thesis is attached by drawing documentation of selected parts of mechanism.
Belt conveyor for sand dumps
Czerner, Marek ; Kašpárek, Jaroslav (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor thesis is to make design and calculation of belt conveyor for oblique transport of gravel sand fraction 0 - 4 millimetres with the capacity of 70,000 kg per hour, axial distance of 15 m and a slope of 18 °. This thesis includes a brief description of the main parts of the belt conveyor, the functional calculations according to standard ČSN ISO 5048, the determination of the main dimensions, the choice of structural elements, the design of the drive and an overview of manufacturers of similar devices. It is also performed stress analysis of the casing and shaft of the driven drum. To the thesis is attached all the necessary technical drawings and the control calculation of the support pins.
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.
Pillar jib crane
Kramoliš, Robert ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The aim of this bachelor thesis is constructional proposal of jib crane with capacity of load 1000 kg, unloading length of its beam is 4000 mm and lift height 4900 mm. The thesis contains strength calculations and selection lifting gear. A part of the work is also drawing documentation.
Design of the container manipulator laboratory model
Kolacia, Kryštof ; Malášek, Jiří (referee) ; Pokorný, Prokop (advisor)
This thesis deals with the design of a container manipulator laboratory model for a 1:20 scale transport unit and a carrying capacity of 60 kg. The thesis is divided into theoretical and computational part. Firstly, the design solutions are examined in practice. Subsequently, control calculations of important parts of the proposed structure as well as of the twist locks are made. An economic analysis is then elaborated. In conclusion, the drawing documentation of the spreader design and selected components is attached.
The manipulator for the IBC containers
Hartl, Petr ; Malášek, Jiří (referee) ; Kašpárek, Jaroslav (advisor)
The aim of this bachelor thesis is to design a handling device for IBC containers, which is designed for transporting these containers on a flat storage surface and stacking them up to two containers.
Wakeboard winch
Fejta, Josef ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor’s thesis deals with wakeboard winches. At the beginning the basic parts of the winch are described together with the summary and comparison of the selected devices on the market. Thereafter the thesis contains conceptual design of a winch with strength assessment of the main parts and functional calculation. In conclusion drawings are drown up.

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3 Malásek, Jan
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