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 (17) comprising inlet section (18) with pressure inlet hole (20), working section (19) with high pressure outlet hole (22), low pressure chamber (32) and high pressure chamber (38a). Hydraulic drive (1) comprises plug-in pressure amplifier (10) containing coupling (10a), at least partially located inside piston rod (6), and pressure amplifier (17) is rigidly located in coupling (10a).
EFFECT: present invention aims at providing hydraulic drive (1) with modular pressure amplifier (17).
15 cl, 6 dwg
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|---|---|---|---|
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