FIELD: volumetric hydraulic drive.
SUBSTANCE: invention can be used for movement of hydraulic gates, in particular gates in shafts of sewer collector. Hydraulic gates drive consists of two hydraulic cylinders equipped with cable or magnetostrictive displacement sensors, on which gates lowering control units are installed, including valve type hydraulic equipment with zero leaks, a pump unit, which includes a hydraulic tank, two power pump units, gate lift control unit, auxiliary pump unit intended for compensation of difference in volumes of cavities of hydraulic cylinders, filling and emptying of hydraulic system at replacement of working fluid. Geometrical parameters of hydraulic cylinders are substantiated by strength calculations made for pulling force F=340 tf: piston diameter D=420 mm; rod diameter d=180 mm, and weight of hydraulic cylinder with rod stroke s=5,300 mm is 6,660 kg.
EFFECT: higher reliability of operation of hydraulic gates drives.
6 cl, 2 dwg
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