Mobile telescopic crane

Mobile telescopic crane

A mobile telescopic crane (1) has a telescopic jib (9) with at least four sub-jibs (16 to 19). Each of the sub-jibs (16 to 19) is constructed from at least two sub-jib portions (20 to 31) so as to be telescopic in a longitudinal direction (L). Sub-jib portions (20 to 31) which are spaced apart from...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KLEINHANS PETER, LOTTES MARTIN, KNECHT ALEXANDER, HOFMANN ANDREAS, EBINGER TOBIAS
Format: Patent
Sprache:chi ; eng
Schlagworte:
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A mobile telescopic crane (1) has a telescopic jib (9) with at least four sub-jibs (16 to 19). Each of the sub-jibs (16 to 19) is constructed from at least two sub-jib portions (20 to 31) so as to be telescopic in a longitudinal direction (L). Sub-jib portions (20 to 31) which are spaced apart from one another transversely to the longitudinal direction (L) each form a jib portion (11 to 13) along with at least one flexurally rigid connecting element (32 to 35). Such a construction of the jib (9) easily provides for an increase in carrying loads as a result of the second moment of area of the jib (9) being increased.