A pivot-forming crane element for a rotating portion of an element-mounted crane includes a framework on which a motor-driven orienting system, a hoisting winch and a dispensing winch are mounted. The motor-driven orienting system includes a pivot mechanism about an orienting axis and at least one orienting electric motor cooperating with the pivot mechanism to make the framework pivot about the orienting axis. The hoisting winch is provided with a hoisting electric motor cooperating with a hoisting drum around which a hoisting rope is wound. The dispensing winch is provided with a dispensing electric motor cooperating with a dispensing drum around which a dispensing rope is wound.
ELÉMENT DE GRUE FORMANT PIVOT POUR GRUE À MONTAGE PAR ÉLÉMENTS
Patent
Elektronische Ressource
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