WORKING DEVICE WITH A WORKING BOOM ARRANGED ON A ROTARY HEAD

A working device has a substructure for receiving a supporting device for ground support and an elongated working boom. The one end of the working boom is mounted on a rotary head bearing block, which projects beyond the substructure, in a pivotal manner about a horizontal axis. Furthermore, the rot...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WESTERMANN, KARL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CRANES FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING TRANSPORTING
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Beschreibung
Zusammenfassung:	A working device has a substructure for receiving a supporting device for ground support and an elongated working boom. The one end of the working boom is mounted on a rotary head bearing block, which projects beyond the substructure, in a pivotal manner about a horizontal axis. Furthermore, the rotary head is mounted on a rotary bearing of the substructure in a rotatable manner about a vertical axis by a radially projecting bearing ring. The bearing block and the bearing ring of the rotary head are rigidly connected to each other via a base plate provided with a central opening. The rotary head has an annular reinforcing structure which points away from the mounting plate in the direction of the substructure and is concentric about the bearing ring, the reinforcing structure compensating for the non-roundness of the support structure of the bearing block in the circumferential direction of the bearing ring.