20.500.12556/RUL-134168 Izgube pri različnih hidravličnih porabnikih Losses at various hydraulic components 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. 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. tokovni ventili dušilke tokovni ventili s tlačno kompenzacijo tokovni ventili s tlačno kompenzacijo s tremi priključki tokovne razmere flow valves hydraulic throttle check valve pressure compensated flow control valve pressure compensated flow control valve with three ports hydraulic flow conditions true false false [L. Hočevar] Slovenski jezik Angleški jezik Zaključna naloga 2021-12-25 08:30:47 2021-12-25 08:30:49 2022-09-13 03:53:42 0000-00-00 00:00:00 2021 0 Ljubljana 0 XII, 23 str. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 621.646.2:62-225.2(043.2) 237694 94691587 13631.pdf 13631.pdf 1 D0C672500DA3BBE64180122A2C79263E 5678088ec796efafa33ec8a86b59c9a1d49fb5dc387f6c8ad3cb5e57d59b5b2f 70010aaa-6554-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=152500 Fakulteta za strojništvo 0 0 0