TELESCOPING SYSTEM FOR CRANE JIB AND AUXILIARY JIB

TELESCOPING SYSTEM FOR CRANE JIB AND AUXILIARY JIB

PROBLEM TO BE SOLVED: To provide a long crane jib telescoping system which obtains a wide operating range and a high lifting capacity.SOLUTION: A crane jib telescoping system for a telescopic crane jib having a telescopic main jib 1 and a telescopic auxiliary jib 11 includes at least one telescoping...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: STUEHRWOLDT DIETER
Format: Patent
Sprache: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:PROBLEM TO BE SOLVED: To provide a long crane jib telescoping system which obtains a wide operating range and a high lifting capacity.SOLUTION: A crane jib telescoping system for a telescopic crane jib having a telescopic main jib 1 and a telescopic auxiliary jib 11 includes at least one telescoping cylinder 2 and a first telescopic part locking unit 3 which is arranged in the base of the telescoping cylinder 2 where a second telescopic part locking unit 4 is arranged at the telescoping cylinder 2 for telescoping the telescopic auxiliary jib 11 above the first telescopic part locking unit 3, so that the auxiliary jib can be telescoped in and out, using the second telescopic part locking unit 4.