The invention discloses a multipoint overlong attachment device of a large tower crane, which comprises attachment pull rods, rotary connecting nodes, connecting rods, hoop nodes and an oblique support rod, wherein the attachment pull rods are hinged to the connecting rods by the rotary connecting nodes; the connecting rods are connected with structure columns by the hoop nodes; the number of the attachment pull rods is three; the rotary connecting nodes are arranged at the end parts of the attachment pull rods; each rotary connecting node comprises two reserved ear plates provided with bolt holes in a horizontal plane, a reserved ear plate in a vertical plane, an upper flitch plate and a lower flitch plate; the rotary connecting nodes are welded and fixed to the connecting rods by the reserved ear plates in the vertical surface; the connecting rods consist of a plurality of connecting rod parts; the connecting rods are connected with the structure columns respectively; and the hoop nodes are arranged at the end parts of the connecting rods and are connected with the structure columns. The device is concise in structure and flexible in arrangement, and is stressed reasonably; and multiple points at an attachment wall structure are connected, so that concentrated stress is decomposed, and the structure safety is ensured.
Multipoint overlong attachment device of large tower crane
21.10.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
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