FIELD: the invention refers to the field of testing technique particular to installations for strength trials of aviation constructions.
SUBSTANCE: the hydro-system for weighting constructions at strength trials has a source of feeding a pump of constant giving, electro hydraulic intensifiers, hydraulic cylinders, main and additional overflowing valves, a hydraulic distributor, a pressure sensor connected to the pressure main waterway, an automatic control system, a discharge main and inverted valves.
EFFECT: sustaining of given pressure of working liquid at trials.
1 dwg
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