FIELD: machine building.
SUBSTANCE: invention relates to hoisting devices. During release of stand (1) control of hoisting machine is performed in compliance with the condition of removal of fixtures (12) located above or below stops (10) for locking for automatic completion of coordinating movement upwards or downwards and common movement in the place of its application.
EFFECT: improved efficiency of operation of hoisting machine and control of safety for lock stand for prevention of errors during operation, made by a person, as well as reduced wear of brakes.
11 cl, 7 dwg
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