Global patent index - EP 1084981 A1

EP 1084981 A1 2001-03-21 - Articulated trussed beam with triangular section

Title (en)

Articulated trussed beam with triangular section

Title (de)

Gelenkig miteinander verbundene, im Querschnitt dreieckige Gitterträger

Title (fr)

Poutre en treillis articulée à section triangulaire

Publication

EP 1084981 A1 (DE)

Application

EP 00114232 A

Priority

DE 29916410 U

Abstract (en)

The crane has a tiltable cantilever member (13) that is connected a further support member (33). A rear cable (9) is connected to position (8) on the support (3) to a position in the region of the top of the tower (11). A short cantilever member (52) is located between the cantilever member and further support member. The short cantilever member is connected to the main cantilever member via an upper belt and to the further support member via a lower belt.

Abstract (de)

Gelenkig miteinander verbundene, im Querschnitt dreieckige Gitterträger (13,33) lassen sich um eine gelenkige Verbindung der in den Profilspitzen verlaufenden Obergurte (51,52) zusammenklappen und in ihre gestreckte oder nahezu gestreckte Stellung verschwenken und sich in ihrer zusammengeklappten Stellung in eine seitlich nebeneinander liegende Lage verbringen. Derartige Gitterträger finden vorzugsweise bei dem Ausleger eines selbstmontierenden Turmdrehkrans Verwendung, der sich in der Transportstellung zieharmonikaartig an diesen anklappen läßt. Um die Transporthöhe zu verringern, ist die gelenkige Verbindung ein um sich kreuzende Achsen (50,53) verschwenkbares Gelenk (67). Mit einem Gitterträger (13,33) ist im Bereich des Gelenks eine Stützkonstruktion (56-58) verbunden, mit der ein schwenkbar mit dem anderen Gitterträger verbundener Stab (62) in der Weise gelenkig verbindbar ist, daß im Abstand von dem ersten Gelenk (67) eine zweite gelenkige Verbindung (55) hergestellt wird, die in der Nähe des ersten Gelenks (67) eine Schwenkachse (53) bildet, die ungefähr rechtwinkelig zu den Längsträgern der dreieckigen Profile (13,33) in der Weise verläuft, daß die übereinanderliegenden Gitterträger (13,33) über diese Schwenkachse (53) in eine gestreckte Lage aufgeklappt werden können. <IMAGE>

IPC 1-7 (main, further and additional classification)

B66C 23/34

IPC 8 full level (invention and additional information)

B66C 23/34 (2006.01)

CPC (invention and additional information)

B66C 23/342 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 29916410 U1 20000427; AT 304509 T 20050915; DE 50011156 D1 20051020; EP 1084981 A1 20010321; EP 1084981 B1 20050914; ES 2247984 T3 20060316

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