Extending telescopic tower for crane - has cage with telescopic parts and pivoted locking and fixing arms

摘要

The power crane has telescopic extension facility with cage. The high lifting capacity crane provides for extension movement and for locking of the tower. All components are connected with the cage (11) and work in conjuction with the movement support. The lower part of the extending section (6) has pivoted arms for connecting the fixed part of the mast (7). The pinning and locking and lashing parts are pivoted or can be removed.