HOIST AND METHOD OF SAVING OPERATION INCORPORTATED IN HOISTING-AND-TRANSPORT EQUIPMENT (VERSIONS) Russian patent published in 2008 - IPC B66B5/02 

FIELD: hoisting and transporting equipment.

SUBSTANCE: hoist contains a cabin, a counterbalance, a lifting rope whereon suspended are the cabin and the counterbalance, a driving motor, driving motor power supply, a cabin braking mechanism used in emergency and the hoist saving system of including the emergency power supply, emergency brake switchboard cutting in/out the brake emergency supply and the emergency drive switchboard. The latter cuts in/out the power supplied by the emergency supply to the driving motor and the brake. The hoist saving system includes the said driving motor power supply and supply line connecting the emergency power supply to that of the motor. The brake and the driving motor power supply are interconnected to allow the said motor supply only with the brake connected to the supply line.

EFFECT: simplification and higher reliability of saving system and hoist.

15 cl, 1 dwg