Faculty of Mechanical Engineering, Lj. (FSLJ)
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Električno krmiljen hidravlični valj teleskopa žerjava : diplomska naloga visokošolskega strokovnega študijskega programa I. stopnje strojništvoNared, TineZa povečanje dosega manipulacije bremen nakladalni žerjavi uporabljajo teleskopske dvižne roke. Ena izmed glavnih komponent dvižne roke je hidravlični valj, ki omogoča izvlačenje in pospravljanje ... enega ali več teleskopov hkrati. Valji so znotraj ali zunaj teleskopske dvižne roke postavljeni zaporedno. Ti so preko hidravličnih gibkih cevi vezani na hidravlični sistem. Zaradi spreminjanja dosega teleskopske roke se spreminja tudi razdalja med posameznimi valji, zato je potrebno gibke cevi zaradi nenehnega zvijanja in raztezanja še dodatno urejeno voditi. To pa predstavlja težave tudi z vidika vzdržljivosti. Naloga predstavlja zasnovo električno krmiljenega hidravličnega valja (HV) za teleskop nakladalnega žerjava. Zasnovani HV omogoča neprekinjen dotok olja za zaporedno vezavo dveh ali več valjev teleskopa. Največji tlak znotraj hidravličnega valja znaša 30 MPa, največji volumenski pretok olja na vstopu v valj pa znaša 40 l/min. Krmiljenje valja je električno. V nadaljevanju so izvedeni numerični preračuni toka kapljevine skozi valj. Na podlagi izračunov so bili predlagane izboljšave prototipa hidravličnega valja.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Nared], 2017Language - slovenianCOBISS.SI-ID - 15786779
Author
Nared, Tine
Other authors
Majdič, Franc
Topics
diplomske naloge |
žerjavi |
teleskopski valji |
kartušni ventili |
tesnjenje |
votle batnice |
padec tlaka |
hydraulic cranes |
telescopic hydraulic cylinders |
cartridge valves |
hydraulic sealing |
hollow hydraulic cylinder piston rods |
pressure drops
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Database name | Field | Year |
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Nared, Tine | ![]() |
Majdič, Franc | 24749 |
Source: Personal bibliographies
and: SICRIS
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