Mobile crane with two-part jib, and method for aligning the boom system of such a mobile crane
AssigneeLiebherr-Werk Ehingen GmbH
InventorStefan Peters
Life of this patent
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Abstract
The invention relates to a mobile crane with a two-part jib and to a method for aligning the boom system of such a mobile crane. The invention relates to a mobile crane with a multi-part flight boom, wherein a first jib part is hinged to the main boom in a rockable manner, and at least one second jib part is secured to the first jib part in an articulated manner. A bracing which is guided from the upper chassis to the jib is provided for aligning the jib, said bracing running over at least one intermediate bracing support mounted on the first jib part to the at least one second jib part.
Claims16
A mobile crane having a multi-part fly boom, wherein a first fly boom part is luffably connected to a main boom in an articulated manner and at least one second fly boom part is fastened to the first fly boom part in the articulated manner, and a guying guided from a superstructure up to the multi-part fly boom is provided for raising the multi-part fly boom,
- wherein the guying extends over at least one intermediate guying frame installed at the first fly boom part up to the at least one second fly boom part,
- wherein the guying is fastened to a head or to a head region of a second fly boom part of the at least one second fly boom part,
- wherein a latching device is provided at a connection point of the first fly boom part to the at least one second fly boom part that ensures an automatic latching during a raising procedure, the latching device is provided at the at least one second fly boom part, and
- wherein the latching device comprises a pivotable latch that automatically engages around a bolt of the first fly boom part.
Dependencies are inferred from the claim text.