FIELD: machine building.
SUBSTANCE: disclosed is hydraulic drive (1) comprising cylinder body (2), piston (5) with piston rod (6), located inside cylinder body (2) with possibility of movement, and pressure amplifier (10) comprising inlet section (18) with pressure inlet opening (20), working section (19) with high pressure outlet hole (22), low pressure chamber (32) and high pressure chamber (38a). Purpose of this invention is provision of hydraulic drive (1) with modular pressure amplifier (10). In this regard, inlet section (18) is located inside piston rod (6), and low-pressure chamber (32) is fixed relative to inlet section (18).
EFFECT: disclosed is a hydraulic drive with a pressure amplifier.
14 cl, 5 dwg
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