Hydraulic control device for a silo extraction appliance

In a hydraulic control device (10) for a silo extraction appliance, the residual flow of a 3-way flow-regulating valve (22) is fed to the hydraulic motor (14) of the cutter (13) and the constant flow is fed to the servomotor (12) of the advance drive. When the cutter (13) is not actuated, the residu...

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Bibliographische Detailangaben
Hauptverfasser:	KLOTZBUECHER,WOLFGANG, GROB,ALFRED
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE FISHING FORESTRY HAY OR STRAW PRESSES HUMAN NECESSITIES HUNTING PROCESSING OF HARVESTED PRODUCE TRAPPING
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Beschreibung
Zusammenfassung:	In a hydraulic control device (10) for a silo extraction appliance, the residual flow of a 3-way flow-regulating valve (22) is fed to the hydraulic motor (14) of the cutter (13) and the constant flow is fed to the servomotor (12) of the advance drive. When the cutter (13) is not actuated, the residual flow is automatically connected to the constant flow via a directional valve (53), so that the servomotor (14) drives the advance drive at maximum speed. It is thereby possible to move the silo extraction appliance towards the silage at maximum speed from outside the silage. Only when the cutter (13) strikes the silage is the cutter (13) switched on and the servomotor (14) is then driven only by means of the constant flow. In the control device (10), only so-called standard components are used, so that the control device is of simple and inexpensive construction.