zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni program
Luka Hočevar (Author), Franc Majdič (Mentor)

Abstract

Z zaključno nalogo želimo ugotoviti tokovne in tlačne razmere v tokokrogu z uporabo različnih tokovnih ventilov. Uporabljena je navadna dušilka, tokovni ventil s tlačno kompenzacijo in tokovni ventil s tlačno kompenzacijo s tremi priključki. Po dva enaka ventila sta vezana vzporedno, zaporedno na ventil je priklopljen varnostni ventil, s katerim simuliramo različno obremenitev. Preizkusi so bili najprej izvedeni s pomočjo simulacijskega orodja Automation Studio, nato pa še eksperimentalno v prostorih laboratorija LFT. Merili smo pretok skozi posamezen ventil, pri različnih obremenitvah in nastavitvah dušilke. V delu je dokazano, da navadna dušilka ne zagotavlja vzporednosti gibanja. Tokovni ventil s tlačno kompenzacijo in tokovni ventil s tlačno kompenzacijo s tremi priključki zagotavljata konstanten pretok, ne glede na tlačno razliko in velikosti bremena.

Keywords

diplomske naloge;tokovni ventili;dušilke;tlačna kompenzacija;tokovne razmere;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [L. Hočevar]
UDC: 621.646.2:62-225.2(043.2)
COBISS: 94691587 Link will open in a new window
Views: 171
Downloads: 26
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Other data

Secondary language: English
Secondary title: Losses at various hydraulic components
Secondary abstract: In the final work we want to determine the flow and pressure conditions in the circuit with different flow control valves. A hydraulic throttle check valve, a pressure compensating flow control valve and a three port pressure compensating flow control valve are used. Two identical valves are connected in parallel, and pressure relief valve is connected in series with the valve we use to simulate various loads. The tests were first performed using the Automation Studio simulation tool and then practically in the LFT laboratory premises. We measured the flow through each valve at different loads and throttle check valve settings. The work showed that a hydraulic throttle check valve does not provide parallelism. The pressure compensating flow valve and the three port pressure compensating flow valve provide a constant flow regardless of the pressure differential and the size of the load.
Secondary keywords: thesis;flow valves;hydraulic throttle check valves;pressure compensated flow;control valves;hydraulic flow conditions;
Type (COBISS): Final paper
Study programme: 0
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za strojništvo
Pages: XII, 23 f.
ID: 14196144
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