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Strength analysis of hydraulic equipment construction
Burian, Martin ; Klezla, Vojtěch (referee) ; Zeizinger, Lukáš (advisor)
This thesis deals with the strength analysis of two tanks of hydraulic power units using finite element method. Introduction consists of a brief description of these units and description of a current solution. An analysis of force effects and load conditions follows. The next part describes the calculation model and then the calculation results. Based on these results to improve mechanical properties, a proposal is made. The attachment of this thesis is drawing documentation. The thesis was created in cooperation with Bosch Rexroth, spol. s r. o.
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Crank mechanism of a four-cylinder in-line gasoline aircraft engine
Doležal, Jakub ; Kučera, Pavel (referee) ; Píštěk, Václav (advisor)
This thesis is focused on design of a steel connecting rod for the aircraft engine Walter Mikron III C produced by Parma-technik s.r.o., which could be an alternative to the existing aluminium alloy connecting rod. Research of aircraft engines and connecting rods is done before the design work itself, together with explanation of the calculation of dynamic stresses in the crank mechanism. In practical part, design of the crank mechanism is analysed, followed by the calculation of its dynamic stresses, analytically and by 1D simulation in the GT-Suite Cranktrain software. Connecting rod strength analysis is performed by analytical calculation, which is verified by FEM analysis in Ansys Mechanical software, both approaches evaluating connecting rod tension and fatigue safety. Similarly, the steel connecting rod is designed and evaluated in two designs, with an I and H shank. Drawing documentation of both designs of the connecting rod is output of this thesis.
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Reversible mounted plough
Krutský, Lukáš ; Fajkus, Pavel (referee) ; Kašpárek, Jaroslav (advisor)
This diploma thesis deals with the conceptual design of a reversible mounted plough. The plough is designed for aggregation with tractors with a three-point hitch category 2N/2. A search was made for similar devices corresponding to the performance range and other construction solutions of ploughs for ploughing agricultural land. The concept is designed and based on analytical calculations of dimensional and functional properties. Strength calculations are made according to the standard. The critical points of the equipment are checked by the finite element method. The thesis includes a kinematic diagram of setting up the device, pictures of 3D models of plough and drawing documentation.
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Návrh a optimalizace konstrukce svahovací lopaty
JŮZA, Jan
The master thesis deals with the design of a slope shovel. The literature part of the thesis deals with the classification of excavators according to size, type of chassis, and type of boom. Subsequently, an overview of working tools and a description of their purpose is given. The aim of the thesis is to design a slope shovel, therefore the thesis mentions the program in which the shovel will be designed. The following part of the thesis is devoted to the determination of the parameters that the design should meet. In the main part of the thesis a description of the different parts of the model and the procedure for their manufacture is given. The final part of the thesis is devoted to the development of the strength analysis of the model and the financial evaluation of the shovel design.
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Simulation of the trencher device prototype
Polák, Václav ; Sommer, Matěj (referee) ; Kašpárek, Jaroslav (advisor)
The aim of this thesis were a simulation and an analysis of the construction of a prototype of additional trencher equipment. At first an analysation of a prototype and a calculation of load states was made. A simulation was made in a multi body system in program MSC Adams View. According to load states was made a stress analysis in program MSC Apex Jaguar. All acquired results were analysed and according to them changes were made to the frame construction. Part of this thesis contains drawings documenting.
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Con Rod design and optimization of racing engine
Ulman, Jaroslav ; Zháňal, Lubor (referee) ; Beran, Martin (advisor)
This master thesis describes the design and optimization of connecting rod motor racing car. At the beginning of the whole work is a 3D-model of rods, from which then the whole work is based. Then it analyzes the current model of stress and on the basis of the results are made structural changes to the solution of rods. Newly adapted connecting rod is again analyzed using FEM and newly obtained results are compared with results of the original model of connecting rods. The conclusion deals with sensitivity analysis of selected parameters of rods and their potential effect on the resulting changes in strength connecting rod .Then is an assessment of all results.
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Pendulum jaw crusher 900 x 500
Hladík, František ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma thesis is concerned with a construction design of single toggle jaw crusher DCJ 900x500. In the first part, the theoretical background and ways of material disintegration are discussed. The second chapter describes types of material crushers in general, especially jaw crushers and their parts. The third chapter is concerned with calculations and the design of the most important parts of the machine. The fourth part consists of the crusher power calculation, design of the pendulum and its production technology. The last part includes the result of FEM analysis for the particular variant of pendulum production. The thesis also includes drawing documentation of the crusher and the pendulum.
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Citybike
Řehánek, Matěj ; Kloss, Ondřej (referee) ; Kaplan, Zdeněk (advisor)
This diploma thesis is focused on design proposal of bicycle frame, which is powered by human force and then strength analysis of designed frame. Vehicle is designed to city and relates to physically handicapped persons and elderly people. This thesis content comparison of different types of bicycles.
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Design of a movable lift for passenger cars
Češpiva, Zdeněk ; Láštic, Daniel (referee) ; Otipka, Václav (advisor)
This bachelor thesis deals with the design of a movable lift for passenger cars. Now we have a great deal of lifts for cars, so the research part focused on their basic division. The main parts of the work include the design of a movable lift, which is then subjected to strength calculations. After these calculations, it can be stated that the designed lift is suitable in terms of safety. The outputs of this work include drawing documentation of the assembly and selected components of the lift.
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