The present invention relates to a lifting device for example in the form of a crane such as a tower crane, with a hoisting gear comprising a hoisting cable which runs off from a drum that can be driven by a hoisting gear drive, and a hoisting gear brake for holding the hoisting cable in a braked position. The invention furthermore relates to a method for starting up the hoisting gear of such a lifting device from the braked position in which the hoisting gear brake holds a hoisting load, wherein a starting torque is built up by a hoisting gear drive against the closed hoisting gear brake, and the hoisting gear brake is released upon or after reaching the starting torque. According to the invention it is proposed that when the hoisting gear brake is closed, the current hoisting load is detected by means of a load detection device and the starting torque is adjusted by the hoisting gear controller with reference to the detected current hoisting load such that the hoisting force provided by the starting torque of the hoisting gear corresponds to the detected, current hoisting load.
Lifting device and method for starting up the hoisting gear of such a lifting device
2021-06-08
Patent
Electronic Resource
English
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