A bridge crane arrangement which comprises at least one main girder (1) for a trolley, the main girder having a longitudinal central web which has at least one web plate (1a), and a longitudinal bottom flange (1b) arranged in the bot-tom part of the central web and protruding from the central web (1a) onto both sides thereof; end girders (4) which are adapted to support opposite ends of the main girder (1) and to move along guides; slide means (11) arranged between an end girder (4) on at least one side and the corresponding end (9) of the main girder (1), the slide means allowing the movement of the end girder (4) in question in relation to the main girder (1) in at least its longitudinal direction and the rotation of the end girder in question and main girder in relation to each other; and restrict-ing means (12, 13) to restrict the movements between the end girder (4) in question and the main girder (1). On the top surface of the end girder (4) in question, there is arranged a support platform (10) wider than the bottom flange, the slide means comprise a slide surface (11) arranged on the top surface of the support platform and/or the bottom surface of the bottom flange (1b) of the main girder, and restricting means (12, 13) are arranged to the support platform (10) on both sides of the bottom flange (1b) of the main girder, outside the main girder (1).
Bridge crane arrangement
2022-10-20
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |