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Hydraulic circle of undercarriage two-way vehicle
Rozumek, Jaroslav ; Tomeček, Pavel (referee) ; Škopán, Miroslav (advisor)
The aim of this diploma thesis is a concept of hydraulic (hydrostatic) circuit of rail – road vehicle drive for the drive on communication and railway. As my work is not related to a specific type of road vehicle dedicated to a drive on railway, my work is of strictly reference nature. On request I was provided by Bosh Rexroth s.r.o. with a hydraulic scheme of two-way undercarriage (see appendix), which is also a source material for the new concept. My work is focused on interests of SaZ s.r.o., which deals with the development and rebuilding of road vehicles into rail – road vehicles. The first phase is focused on the choice of the most convenient component of railway undercarriage in accord with the assignment. The second phase is oriented on the calculation of travel parameters, dimensioning of systems with concretization of typal mark of components. A part of the second phase is also a concept of hydraulic braking system of rail undercarriage. After that follows a complete evaluation, eventually an alternative solution of given problem.
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Jib type crane
Knapec, Tomáš ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This bachelor's thesis is the design development of jib type crane with single knuckle. The target of this thesis is to develop a technical report including important strength calculations, schematic hydraulic circuit design and creating complete drawings of jib type crane that is designed for installation on mobile devices. Desired parameters of this crane are allowing horizontal rotation in 360° a vertical between 90° and maximum load capacity 1 700 kg.
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Project of machine part of hydraulic circuit of laboratory SUA Nitra
Boháč, Daniel ; Ryšavá, Markéta (referee) ; Žoužela, Michal (advisor)
This Master’s thesis deals with design of hydraulic circuit of laboratory of the Slovak university of agriculture in Nitra with focus on project of its machine part. The thesis includes a description of current condition of the laboratory and a list of investor’s requirements. The main task of this thesis is to complete a project documentation which will be used to build a hydraulic circuit in laboratoty of Department of Water Resources and Environmental Engineering under Faculty of Horticulture and Landscape Engineering of the Slovak University of Agriculture in Nitra. The hydraulic circuit is based on recirculation concept. It consists of an underground water storage tank, stainless steel distribution pipes, measuring flumes and centrifugal submersible pumps. The hydraulic circuit will serve employees of the university for their scientific and educational purposes. Important parts of this thesis are hydrotechnical calculations and circuit control visualisations. The final design is based on a series of negotiations with the investor and suits his requirements.
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Project of hydraulic arm
Andrlík, Jan ; Škopán, Miroslav (referee) ; Malášek, Jiří (advisor)
This thesis is elaborated design of the hydraulic arm. The target is for the composition of the important strength calculations and drawings hydraulic arm, whichis designed for mobile devices. Hydraulic arm allows shooting in a horizontal 360° vertical shooting between 90° and a maximum load arm 1000kg. In the work is also a schematic hydraulic circuit design.
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Drive of control ring PVE Merkersbach
Skoupý, Jiří ; Veselý, Jindřich (referee) ; Kašpárek, Jaroslav (advisor)
This thesis is focused on determination of forces acting to regulation ring of water power plant Markersbach (Germany). Solution of the problem is realized for two variants of servomotors – with and without servomotors acting surfaces balancing. Next topics of this thesis are strenght calculation of piston rod and bottom of the servomotors. Minimalization of the size of servomotors plungers by change of regulation kinematics has been done and minimal pressure in the pressure tank is determined. At the conclusion of this thesis received results are mentioned and its interpretation has been done. This thesis is provided for company Litostroj Power, ČKD Blansko Engineering, a.s.
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Metrological characteristics of current velocity meters using the electromagnetic principle of measurement
Vítů, Martin ; Brázda, Martin (referee) ; Žoužela, Michal (advisor)
This master’s thesis deals with the assesment of directional sensivity and accuracy of current stream velocity using electromagnetic induction meters in circumstances simulating the real measurement profiles condictions. The theoretical part of the thesis describes the issue of streamflow measurement in open channels and determination of the relevant measurement uncertainties. It also includes description of the hydraulic circuit and the subject current velocity meters. The experimental part of the thesis focuses on the effect of turbulence on the value and accuracy of measured velocity and directional sensivity of electromagnetic induction meters of current velocity. The results are compared with parameters given by manufacturers, research by other authors and with the metrological characteristics of hydrometric propellers, which are commonly used for streamflow measurement in open channels.
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Assessment of the capacity of a laboratory station pumping station
Fajt, Mojmír ; Zubík, Pavel (referee) ; Žoužela, Michal (advisor)
This work processes the materials for a reconstruction planned on pumping station of one of the hydraulic circuits in the B112 laboratory at Institute of Water Structures. These materials include precise surveying, recorded within a drawing documentation, a mathematical model for the assessment of the pipeline network capacity, the pumping station of hydraulic circuit and a verification of this model by several measurements for particular predefined pipeline route. This all is supported by the theoretical basis of each subject from the theory of pumps to the hydraulics of liquid of short pipes. The final part summarizes the results and gives recommendations for the further reconstruction of pumping station.
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