National Repository of Grey Literature 314 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Wood chipper - efficiency
Šulák, Petr ; Škopán, Miroslav (referee) ; Malášek, Jiří (advisor)
The objective of this bachelor thesis is to design the wood chipper. In the theoretical part I am dealing with the mechanical properties of the processed material. Furthermore, I am mentioning individual types of chippers and crushers. In the practical part, the basic parameters of the machine are deduced from the research. These values are entering into the calculations needed to construct the components that the chipper is assembled with. The thesis includes production drawings and a 3D model made in Autodesk Inventor 2019.
Mobil cranes
Čechmánek, Lukáš ; Kašpárek, Jaroslav (referee) ; Škopán, Miroslav (advisor)
This bachelor thesis contains general analysis of automobile cranes. The main part is dedicated to the description of particular construction elements and compares selected models of Liebherr, Manitowoc Grove, Tadano Faun and Terex Demag manufacturers. There is also a brief history of development and categorization of automobile cranes.
Vibratory roller and plate for skid steer loaders
Rádsetoulal, Milan ; Kašpárek, Jaroslav (referee) ; Škopán, Miroslav (advisor)
This bachelor’s thesis is focused on compaction machines like vibratory rollers and vibratory plates as auxiliary devices for skid steer loaders. This thesis is focused on a comparison of current devices in terms of technology and size. The designed solution of auxiliary vibratory plate focuses on solving main problems. There are also created coefficients that allow easy and fast comparison of each auxiliary devices. There are only a few companies that focus on creating this sort of devices. Auxiliary vibratory plates are often just slightly modified auxiliary devices for excavators, with slightly modified mount system. Vibratory rollers and plates cause high wear of skid steer loader and for this reason they are not widely spread. There will probably not be any future development in these kinds of devices due the fact, that there are better solutions for soil compaction.
The study of the hand-operated compaction vibratory equipments
Tirala, David ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
This thesis is focused on an overview of handheld vibratory compaction equipment. The analysis includes a clean distribution, design description, description of compaction technology, technical and operational parameters of commercially available machines for each category of handheld vibratory compaction equipment. Final part of the thesis is dedicated to assumptions in further direction of this field. Collected data of commercially available machines is summarized in tabular form.
The engine unit of a telescopic loader
Seják, Jan ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
This work deals with design and selection of telescopic loader engine unit according to given parameters. The first part deals with the research analysis and comparison of telescopic manipulators of similar weight category. The second part contains a design calculation of engine power needed for different machine modes. Finally, select the appropriate motor unit with respect to the calculated power values.
Screener buckets for the earthmoving machines
Pečová, Monika ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
The aim of the bachelor’s thesis is to explain the concept of screener bucket and division according to construction. The thesis compares individual structures with their parameters and includes its own 3D design of the sorting bucket. The device is designed as a replaceable accessory for excavators and loaders.
Undercarriage of the tracked excavators and dozers
Hampl, Pavel ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
This bachelor thesis deals with the analysis of the tracked undercarriage of excavators and dozers. The first part defines basic information about the tracked excavators and dozers. The second part is devoted to the analysis of the current concept of the tracked undercarriage of excavators and dozers. The third part compares the used drive systems and mechanisms with regard to efficiency and economy.
The study of the machines for building of the asphalt roads
Calábek, Daniel ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
This bachelor thesis is about summary technological solution of construction asphalt roads and their creation with modern trends. Next with analysis summarizing overview today´s condition road machines – finishers with their technical and operating parameters. Subsequent splitting finishers into categorized groups with their evaluation.
Renovation of historical tram
Rozsypal, Josef ; Černý, Jiří (referee) ; Škopán, Miroslav (advisor)
The aim of this bachelor thesis is to create a methodology of basic works for the renovation of the historic tram and subsequently apply this methodology to the renovation of the historic tram 4MT. The work begins with a general historical overview. Following is a section on pre-renovation and related tasks. The next chapter is about the renovation of vehicles in general. This issue is discussed in more detail in the next chapter, which also describes the process of renovation of individual parts. The last but one chapter deals with the finishing work that follows the renovation. The last part describes the approval process for the vehicle operation with passengers.
Lifting equipment for a tractor
Smrček, Jakub ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
Main aim of bachelor’s thesis is mechanical design of tractor attached telescopic loader crane used for moving materials. Introductory part of the thesis contains description of lifting equipment for tractors that are actualy produced. Main part of thesis is focused on design of loading crane itself. Whole design is based on strength and control calculations of choosed areas of the loader. At the end are drawings of whole assembly and components of developed telescopic tractor loader.

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