Mobile foundation for tower cranes and fast-erecting cranes
OwnerThomas Kainzmayerinventor
Life of this patent
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Abstract
The mobile foundation for tower cranes and fast-erecting cranes comprises at least two floor elements made from metal, which may be releasably connected to one another, in particular screwed to one another, wherein the floor elements have anchoring devices for a crane tower. Transportable, reusable ballast weights may be supported on at least one support surface of the foundation. There is provided a passage element having uprights and/or side walls, wherein the uprights or side walls, respectively, have a height of at least 2.1 m, preferably of at least 2.3 m, wherein the passage element may be releasably connected to the floor elements, in particular screwed thereto.
Claims21
A mobile foundation for tower cranes and fast-erecting cranes, comprising:
- two floor elements made from metal including anchoring devices for a crane tower, which floor elements are configured to be releasably connected to one another,
- wherein the floor elements are connected to one another at their side walls by the side walls having through-holes for screws or bolts, wherein positions of the through holes in the side walls of the floor elements correspond to one another and are configured to be aligned with one another in a case of a side-by-side arrangement of the floor elements, wherein the screws or bolts are insertable through the alignment through holes for direct connection of the floor elements,
- wherein each floor element comprises beams connected to one another by welding,
- wherein each floor element includes plates, selected from cover plates, floor plates, or a combination of cover plates and floor plates, which plates are connected to at least some of the beams.
Dependencies are inferred from the claim text.