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Design Grid of Lift Machine and Slide-way
Viktora, Luboš ; Jedelský, Petr (referee) ; Pokorný, Přemysl (advisor)
This thesis deals with the control of grid of lift machine and rigid hanging of ropes for elevator with a capacity of 675 kg. The main focus is strength analysis using finite element method. Furthermore, a calculation was performed also for anchoring of slide-ways and strength check was done according to standard ČSN EN 81-1. The thesis contains also the assembly drawing of grid of lift machine and it was executed in cooperation with LIFTMONT CZ s.r.o.
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Overhead travelling crane 125t
Peprník, Pavel ; Zimola, Lubomír (referee) ; Pokorný, Přemysl (advisor)
This diploma thesis deals with the assessment of drafted steel construction of overhead travelling crane by using finite element method. The crane’s lifting capacity is 125t/32t. It is going to be placed in hall of Slovácké strojírny, a. s. in Uherský Brod. Span of the crane is 25.8 meters, wheelbase is 6.7 meters and lifting height is 17 meters. My work contains analysis and assessment of crane construction with a load of fatigue according to ČSN 27 0103.
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Frame for elevator machine
Sokol, Filip ; Foltýnek, Vojtěch (referee) ; Pokorný, Přemysl (advisor)
The diploma thesis deals with replacement of frame for elevator machine. Original frame was made from metallurgic profile and was replaced by bending sheet metal. The thesis contains strength analysis and calculation of original construction solution as well as the new one. Strength calculation was done in program I-DEAS for two load sets: full load in regular operation and immediate cessation of elevator machine in full speed.
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Derrick of the filling car of coke-oven battery
Hurník, Štěpán ; Plachký, Pavel (referee) ; Pokorný, Přemysl (advisor)
This master´s thesis deals with a proposed design of the derrick of the filling car of a coke-oven battery, which is used for working with unit loads, repairing and maintenance of the filling car and cleaning of the battery risers. In the first part a solution concept was chosen. For this concept a main steel structure was designed, which was controlled in stress analysis by the FEM program I-DEAS NX 11. Further, the main parts of the lifting and travelling mechanism were calculated using specified parameters. In the conclusion of this thesis the results summary of specified targets is stated. Assembly drawing is in the annex of this thesis.
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Cranktrain of three-cylinder in-line disel engine
Kovář, Pavel ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
This master’s thesis describes design and comparison of three variants of the crankshaft in-line diesel engine for commercial vehicles. The work focuses on working with programs for 3D modelling and analysis proposed models, to be able to work under difficult conditions. Part of this work is a computational modal and strength analysis.
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Forks for handling logs
Seďa, Marek ; Juřík, Josef (referee) ; Škopán, Miroslav (advisor)
This master’s thesis with product design forks for handling logs as attachments for tractors Zetor Forterra the specified load capacity 1200 kg. The work is mainly focused on the design frame and fork clamps, the necessary calculations and ultimately strength check of designed structures. The work is also addressed in detail the linear hydraulic motor used for the rotational movement of the jaws, including the calculation of fork. Then there are the design calculations and stress analysis of journals. It also checked the stability of the machine. Stress analysis is performed for different load conditions and the jaw frame finite elements. As another part is making all the drawings.
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Hydraulic pullers
Pavelka, Roman ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma thesis deals with the mechanical proposal of hydraulic puller. Furthermore, it includes the detail design solutions. The project also includes the calculation of the hydraulic puller parameters: maximum pushing force is 60 kN, speed of movement is 0.1 m s-1. This work also contains of stress analysis FEM with I-DEAS software. Following part deals with the design of hydraulic circuit for driving puller. At the end of work there are options for replacements of hydraulic puller by mechanical systems.
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Frame of trailer CHTP18 for the platform-type body
Vincenc, Jakub ; Ješina, Miroslav (referee) ; Pokorný, Přemysl (advisor)
The subject of this master’s thesis is strength analysis of trailer frame, for platform placed goods and palletized goods transport. Strength analysis is made by the finite element method. This thesis describes design of a frame, finite element model creation and results analysis. On the basis of this results, the structural modification with a stress state calculation are suggested.
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The analysis of frame synchronous generator
Marada, Ondřej ; Střelková, Radka (referee) ; Pokorný, Přemysl (advisor)
The thesis is focused on the examination of the utility of a synchronous generator of a small hydroelectric power station in the case of a change of working position of the machine. The utility will be measured on the basis of the examination of deformations and state of stress of the frame of the generator for the present running (with vertical axis of rotation of the generator) and subsequently for modified running (with horizontal axis of rotation). This will be accomplished partly on the static shell model by finite element method and consequently on the simplified dynamic model.
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