The present disclosure relates to a crane, in particular an offshore crane, having a slewing gear and a hydraulic slewing gear drive, wherein the slewing gear is held in its position via a holding torque applied by the hydraulic slewing gear drive, and wherein an overload safety device is provided having at least one detection means for detecting the outreach and/or the position of the crane hook and having at least one pressure relief valve, with the system pressure applied to the hydraulic slewing gear drive via at least one pressure relief valve can be regulated in dependence on the outreach and/or on the position of the crane hook.
Crane with overload safety device
2021-12-07
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |