HYDRAULIC DRIVE CONTROL DEVICE Russian patent published in 2024 - IPC F15B15/02 

FIELD: machine building.

SUBSTANCE: invention relates to volumetric hydraulic drives with main and standby control of working fluid flows between sections and units of hydraulic system and can be widely used in industry. Hydraulic drive control device includes at least two hydraulic control valves, each of which is made with a main slide valve and a control slide valve with a control element and a switching axis, control handle, master guide with control handle fixation slots for completion of control command and mechanical transmission connecting control handle with control slide valves of hydraulic control valves and including at least two cylindrical racks. Control element of the control slide valve of each hydraulic control valve is made in the form of a gear wheel rigidly fixed on the control slide valve switching axis. Master guide is made of flat round shape with at least three control handle fixation slots located on its outer circumference, which is fixed in the centre of the flat master guide with the possibility of its rotation relative to the central axis of the flat master guide and is made with the possibility of its rigid fixation by means of the locking device in the fixation slots on the flat master guide.

EFFECT: wider range of equipment for controlling hydraulic drive, reduced overall characteristics, improved operational reliability, expanded operating performances.

9 cl, 5 dwg