Liebherr-werk Ehingen Gmbh

Thomas Stangl

Ulrich Wiedemann

Roland Bohnacker

Markus Kirschbaum

The disclosure relates to a dismantlable lattice piece for a crane boom. The lattice piece comprising two corner bar sides that are each formed by at least two corner bars that are fixedly welded to one another by a plurality of connection bars and comprising a transverse connection gibbable with the corner bar plates.

Dismantlable lattice piece for crane boom

The present disclosure relates to a lattice piece for a lattice boom having four corner bars that are connected to one another by a plurality of posts and diagonals, wherein the lattice piece has a rectangular cross-section having two longer and two shorter sides. A cross-sectional section of the corner bars is designed as a hollow section that has a larger extent in the direction of the longer side of the lattice piece than in the direction of the shorter side of the lattice piece. At least one side of the corner bar section has a stabilization structure in the form of a joint, a kink, a bend, or a rounded portion. The present disclosure further relates to a lattice boom comprising at least one lattice piece in accordance with the present disclosure and to a work machine having such a lattice boom.

Lattice piece, lattice boom, and work machine

The invention relates to a crane, in particular to a mobile crane, comprising a lattice boom, a derrick boom, and a boom guying led from the derrick boom to the boom tip, wherein at least one guying frame is provided that is fastened to the boom between the derrick boom and the boom tip and is connected to the boom guying.

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Allmendingen, Germany

Thomas Stangl