SUPPORT FOR A SWIVEL JIB OF A LOADER

摘要

1. Arrangement for a swivel jib (9) of a loader, particularly a bucket-wheel dredger or bucket-wheel loader or crane, in which a first rotatable platform (5) is arranged on a frame (1) and a further independently rotatable platform (3) is provided, characterised in that the first rotatable platform (5) has a bearing ring (7) which with the interposition of bearing elements (17), such as balls, rollers or similar co-operates with an outer bearing ring (6), and which is rigidly connected to the second rotatable platform (3), and that the bearing ring (7) which is rigidly connected to the first rotatable platform (5) is constructed on its inner side as the outer bearing ring of a further arrangement (inner bearing ring 8), which cooperates with a bearing ring attached to a support (2) which is attached non-rotatably to the frame (1).