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US 2022/0009752 A1Published application
Dismantlable lattice piece for crane boom
AssigneeLiebherr-Werk Ehingen GmbH
InventorsUlrich WIEDEMANN, Roland BOHNACKER, Thomas STANGL
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Abstract
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.
Claims20
A dismantlable lattice piece for a crane boom comprising:
- two lateral corner bar parts that each comprise at least two corner bars that are fixedly welded to one another by a plurality of connection bars, and
- at least one transverse connection that connects the lateral corner bar parts and is gibbed to the lateral corner bar parts.
A method of assembling a lattice piece comprising the steps:
- erecting a corner bar plate by 90° and fixing the corner bar plates to an assembly frame and/or to an assembly console such that is stands on the assembly frame and/or on the assembly console;
- erecting a second corner bar plate about 90° such that it stands on a corner bar and connecting the corner bar plate to the assembly frame and/or to the assembly console;
- assembly or unfolding of the first lattice plate and connecting the lattice plate to the oppositely disposed corner bar plate;
- inserting at least one diagonal bar;
- and
- assembly or unfolding of the second lattice plate and connecting the second lattice plate to the oppositely disposed corner bar plate.
3 more elements
Dependencies are inferred from the claim text.