| 摘要 |
A pivot joint arrangement is provided for a crane arm having a securing device for operating devices. The arrangement has a pivot joint which has two spaced-apart pivot bearings, at least one of the two pivot bearings having at least two flaps and a bearing pin. One flap is connectable to the crane arm and the other flap is connectable to the securing device, and the bearing pin is connected in a rotationally secure manner to one of the two flaps and rotates relative to the other of the two flaps. At least one swing brake brakes or damps an oscillation of the operating device on the crane arm, the swing brake having a plurality of disc-like brake elements.
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