| 摘要 |
FIELD: machine building; safety system.SUBSTANCE: invention relates to safety unit with its afferent actuating system for winch. Safety unit includes gear wheel (5) rigidly fixed on the shaft of lifting gate, and engaging with it worm gear (6). Safety unit also includes spline shaft (15) rigidly connected with one end of worm (6), shaped sleeve (21) with inner and outer flanges and slots fitted on splined shaft (15), spring element (22) between shaped bushing (21) and retainer (23), drive wheel (20) with slotted hub engaging with shaped bushing (21), auxiliary motor (35).EFFECT: simplified control winch.5 cl, 8 dwg |
