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Mobile wheel cranes
Matula, David ; Pokorný, Přemysl (referee) ; Škopán, Miroslav (advisor)
The aim of the thesis is introduction of mobile crane and comparison of individual models from different manufacturers. The first part is devoted to the history of cranes. Other types of cranes are mentioned here as well. In the main part are mentioned systems that we can encounter in cranes. At the same time, it categorizes cranes of the world's leading manufacturers according to the main technical and dimensional solutions. The third and last part of the thesis, is trying to estimate development trends.
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Gantry crane
Kriegler, Boleslav ; Škopán, Miroslav (referee) ; Pokorný, Přemysl (advisor)
The work is focusing on design and actual construction of gantry crane, which is constructed for manipulation with ships in ports. The work describes calculation of powers that are put on the crane or describes control of its parts. As an output of the work is considered drawing documentation.
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Tackles
Stanec, Stanislav ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The first part of the bachelor‘s thesis contains background research of constructions and the basic calculations of the tackles. In the second part there is worked out a design and calculation the tackle of Archimedes on the basis of the suitably chosen parameters. Drawing documentation is attached to this thesis.
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Structural design of a new type stacking device
Pisinger, Petr ; Škopán, Miroslav (referee) ; Dvořáček, Jiří (advisor)
This thesis is focused on the structural design of the collector which is an adapter for a front loader tractor. This facility will be designed primarily for handling bales of straw. The input parameters are the lift height of 1.6 meters from the basic position. Adapter Capacity 270 kg and a maximum weight of 300 kg. To fix the adapter to a stacking device for loader is used euro system.
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Differential tackle
Mikunda, Luboš ; Jonák, Martin (referee) ; Malášek, Jiří (advisor)
The work deals with the differential tackle for 900 kg capacity and 9.5 m lift Includes selection of parts fixed and free blocks, option chains, pulleys and other functional parts. Further stress analysis of pins sprockets, side panels and hook the free blocks, drawing-based assembly and important detailů.Práce calculation includes the assessment of self-locking limit.
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Travelling Crab
Kolář, Jiří ; Jonák, Martin (referee) ; Malášek, Jiří (advisor)
Thesis covers the basic calculations for the design of the basic dimensions of the lift mechanism of travelling crab to load 30,000 kg, strength calculation parts of the hook block such as pulley bolt, beam and side rod, as well as draft propulsion. The last part is the design documentation of assembly drawing of the hook block and detailed drawings of selected components.
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Travelling Crab
Komůrka, Martin ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
This thesis deals about engineering design and calculation hoisting mechanism of travelling crab for capacity 20 000kg and lift height 36m. For this task are made necessary calculations concerning hoist, crane cable, cable pulleys, cable drum. Further, they are drawn strength calculations pin of pulleys, sidewalls, crossbeam and crane hook. Then is also set a drive part of hoisting mechanism consisting of calculation and choice motor, gearbox and brake. The result of this thesis is drawing documentation of pulley block and manufacturing drawings of individual parts.
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Mobile Cranes Models Review
Škaloud, Martin ; Škopán, Miroslav (referee) ; Pokorný, Přemysl (advisor)
The thesis deals with mobile cranes with a lifting capacity of 50 tonnes. The introduction describes the basic concepts related to these machines. Followed by a general cranes overview. This thesis focuses on a brief description of wheeled and tracked mobile cranes. It describes the undercarriage of the wheeled cranes and undercarriage of the tracked crane and crawler crane with it’s basic elements. After that is described the structure of the upper rotating wheel and track mobile truck crane. In the overview are specified the current global producers and companies that already do not produce these machines. Follows the short overview about companies - Grove, Liebherr, Manitowoc, Tadano, Terex-Demag and CKD. In the next part are written more details about company Grove interesting systems which are used in theirs products. At the end of this work are given a table showing the mobile crane on a brand-wheeled chassis with a capacity of over 50 the summary table with belt manufacturers of mobile cranes with a lifting capacity exceeding 50 tonnes.
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Grab sampler for handling with wood
Kučera, Jakub ; Juřík, Josef (referee) ; Škopán, Miroslav (advisor)
The assignment of this thesis is a design of the wood manipulation grab to be used with small hydraulic cranes. The aim is to design a grab with lifting capacity of 2000 kg. The results of thesis can be used to diversify production of the company Agama a.s. Primarily, the grab should be lightweight, easy to manufacture and affordable.
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