HYDRAULIC HOIST Russian patent published in 2007 - IPC B66F3/24 B66F1/08

Abstract RU 2297382 C2

FIELD: mechanical engineering; load-lifting facilities.

SUBSTANCE: invention relates to load-lifting devices used for leveling different objects, for instance, slewing gears, repair sets of oil and gas wells, aircraft, etc., where accurate locking on any section of rod stroke for unlimited time is required. According to invention, support of hydraulic hoist is connected with jacket for axial displacement and is rigidly coupled with ring plunger. Spring is provided which is located from side of one of ring plunger side surfaces to press support through adjusting gasket installed from side of other side surface of plunger to inner bead of casing. Moreover, support, rod and jacket are coupled by means of key joint.

EFFECT: improved reliability.

2 cl, 5 dwg

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RU 2 297 382 C2

Authors

Gur'Ev Adol'F Valentinovich

Novokshonov Boris Petrovich

Dates

2007-04-20—Published

2005-04-20—Filed