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    • 6. 发明公开
    • Foldable jib for a crane and such crane
    • 用于起重机和这种起重机的可折叠起重臂
    • EP2708488A1
    • 2014-03-19
    • EP12184577.0
    • 2012-09-14
    • Gru Comedil s.r.l.
    • Scampini, CorradoTedesco, DenisMeissner, Klaus
    • B66C23/34
    • B66C23/34B66C23/68
    • A jib (10) for a crane (1) is foldable between an operation arrangement and a transportation arrangement, wherein in the operation arrangement a first jib element (13) and a second jib element (14) are coaxially arranged concerning a longitudinal axis (25) of the unfolded jib (10), wherein in the transportation arrangement the jib (10) is folded such that the first jib element axis (73) and the second jib element axis (74) are arranged parallel and spaced apart to each other, and wherein a first hinge axis (34; 49; 56; 66) of a jib connecting unit (17; 47; 54; 62) and a second hinge axis (35; 50; 57; 67) of the jib connecting unit (17; 47; 54; 62) are oriented transversally to a first jib connecting axis (20) and to a second jib connecting axis (22), respectively.
    • 用于起重机(1)的吊臂(10)可在操作装置和运输装置之间折叠,其中在操作装置中,第一吊臂元件(13)和第二吊臂元件(14)关于纵向轴线同轴布置 其中在所述运输布置中,所述悬臂(10)被折叠以使得所述第一悬臂元件轴线(73)和所述第二悬臂元件轴线(74)彼此平行且间隔开地布置 ,并且其中臂架连接单元(17; 47; 54; 62)和第二铰接轴线(35; 50; 57; 67)的第一铰接轴线(34; 49; 56; 66) 17; 47; 54; 62)分别横向于第一悬臂连接轴线(20)和第二悬臂连接轴线(22)定向。