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Značilnosti pnevmatik pri spravilu lesa za prilagojene kmetijske traktorje in forvarderje : diplomsko delo (visokošolski strokovni študij - 1. stopnja)
ID Intihar, Mateja (Author), ID Košir, Boštjan (Mentor) More about this mentor... This link opens in a new window

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PID: 20.500.12556/rul/b4d91f28-0904-4b2f-a7aa-3ba3f4affd96

Abstract
V gozdarstvu pri spravilu lesa se uporablja različne tipe pnevmatik. V diplomski alogi je bila narejena morfološka analiza pnevmatik za težke delovnestroje, rilagojene kmetijske traktorje in forwarderje. Preučevane so bile tehnične značilnosti nevmatik pri obeh skupinah. Za analizo je bilo izbranih 7 različnih podjetij, ki roizvajajo traktorske pnevmatike, Alliance, BF Goodrich, Firestone, Michelin, okian Heavy Tyres, Pirelli in Trelleborg. Parametri, ki so obravnavani v nalogi, so vsirina pnevmatike, premer pnevmatike, statični obremenjeni radij, indeks nosilnosti, lak v pnevmatiki, največja dovoljeno obremenitev in ugrez oz. deflekcijo nevmatike. Med naštetimi parametri so bile ugotovljene različne odvisnosti. gotovljeno je, davečji kot je dovoljeni tlak v pnevmatiki, večja je lahko obremenitev nevmatike. S širino pnevmatike se tlak v pnevmatiki povečuje. Za spravilo lesapo slabo nosilnih tleh so bolj primerne široke izvedbe gum. Širina pnevmatike s premerom pnevmatike narašča. Največja dovoljena obremenitev pnevmatike narašča s širino pnevmatike. Večji kot je premer pnevmatike, večji je ugrez oziroma deflekcija nevmatike. Bolj kot se hitrost vozila povečuje, manjša je lahko največja dovoljena remenitev pnevmatike. Med indeksom nosilnosti, iz zbranih podatkov, in med ndeksom nosilnosti po standardu, ni posebnih razlik. Večja, kot je največja dovoljena remenitev pnevmatike, večji je indeks nosilnosti.

Language:Slovenian
Keywords:pnevmatike, forvarderji, traktorji, tlak, obremenitve pnevmatik, indeks nosilnosti, spravilo lesa
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Place of publishing:Ljubljana
Publisher:[M. Intihar]
Year:2010
Number of pages:X, 59 f.
PID:20.500.12556/RUL-15911 This link opens in a new window
UDC:630*37(043.2)=163.6
COBISS.SI-ID:3050918 This link opens in a new window
Publication date in RUL:11.07.2014
Views:1622
Downloads:432
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Secondary language

Language:Unknown
Abstract:
In forestry at gathering timber is used diffrerent types of tyres. In this thesis we made morphological analysis of tyres for heavy machinery, adapted agricultural ractors and forwarders. We studied the technical characteristics of the tyres in both groups. For the analysis were selected 7 different companies producing tractor tyres, Alliance, BF Goodrich, Firestone, Michelin, Nokian Heavy Tyres, Pirelli and Trelleborg. Parameters which are discussed in this thesis are the width of the tyre, tyre diameter, static loaded radius, load index, inflation pressure, the maximum permissible load, deformation of the tyre. We found different dependencies between these parameters. It was found, that the higher the permissible inflation pressure is, the bigger is the load on the tyre. With the width of the tyre inflation pressure increases. For work on poor-carrying soils are more suitable wide erformance of tyres. The width of the tyre with the tyre diameter increases. Maximum load of the tyre increases with the width of the tyre. Larger than thediameter of the tyre is, the greater is the deformation of the tyre. More than the vehicle speed increases, the lower is the maximum load of the tyre. During the load index from collected data, and the load index of a standard, is no specific differences. Greater than a maximum load of the tyre is, the greater is the load index.


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