Crane and method for controlling such a crane

US11447372B2 · kind B2 · utility

Assignee

• LIEBHERR-WERK BIBERACH GMBH · DE

Inventors

• Florentin Rauscher · Stuttgart, DE
• Oliver Sawodny · Stuttgart, DE
• Michael Palberg · Riedlingen, DE
• Patrick Schlott · Mittelbiberach, DE

Key dates

• Filing date: Jan 3, 2020
• Grant date: Sep 20, 2022
• Expiry date: Oct 4, 2040

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B66C2700/0385
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a crane, in particular a rotary tower crane, comprising a lifting cable configured to run out from a crane boom and comprises a load receiving component, drive devices configured to move multiple crane elements and displace the load receiving component, a controller configured to control the drive devices such that the load receiving apparatus is displaced along a movement path, and a pendulum damping device configured to dampen pendulum movements of the load receiving apparatus and/or of the lifting cable. The pendulum damping device comprises a pendulum sensor system configured to detect pendulum movements of at least one of the lifting cable and the load receiving component and a regulator module comprising a closed control loop configured to influence the actuation of the drive devices depending on a pendulum sensor system signal returned to the control loop.