B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
B66C 23/72 (2006.01) B66C 23/04 (2006.01) B66C 23/42 (2006.01) B66C 23/68 (2006.01) B66C 23/697 (2006.01)
Patent
CA 2697321
The invention relates to a telescopic crane-bracing unit system comprising a telescopic crane, in particular a mobile crane, with a bogie (1) and a superstructure (2) mounted on it so that it can be rotated, on which an erectable jib (3) is disposed, which comprises an outer jib base part (4) and one or more jib telescopic parts (5), and with a bracing unit (9) which can be mounted on the jib (3) and comprises erectable bracing supports (11) and a holding frame (10) for securing to the jib (3), and the holding frame (10) connects the bracing supports (11) to form a structural unit, and the holding frame (10) has a cross-section which is open at the top and allows the jib (3) to be inserted and located at its open position. It further relates to a method of mounting a bracing unit (9) on the jib (3) of a telescopic crane, whereby the bracing unit is positioned by means of the lifting means (30) provided on the jib (3) at a defined position from which the jib (3) can be mounted and located in a holding frame (10) of the bracing unit (9) by a jib movement, the bracing unit (9) is released from the lifting means (30), the jib (3) is moved to a bracing unit-mounting length if this has not yet been reached after positioning the bracing unit, and whereby the jib is moved in order to establish the mounted connection of the jib (3) in the holding frame (10), for which purpose it is inserted from above into a cross-section of the holding frame (10) that is open at the top.
Macrae & Co.
Manitowoc Crane Group France Sas
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