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    • 5. 发明申请
    • DEVICE IN EXTENDIBLE CRANE BOOMS
    • 设备在可扩展的起重机房
    • WO1994024035A1
    • 1994-10-27
    • PCT/SE1994000333
    • 1994-04-15
    • HIAB ABFORSBERG, Lars
    • HIAB AB
    • B66C23/62
    • B66C23/705
    • An extendible crane boom comprises a number of telescopic boom sections, which are each composed of a tube and a holder mounted at an outer end of the tube and serving as an attachment for a double-acting hydraulic cylinder which serves to displace the individual telescopic boom section out of or into an immediately preceding boom section so as to extend and shorten, respectively, the crane boom in its entirety. The cylinder part (7) of each hydraulic cylinder is connected to the holder via a coupling comprising a screw joint having several screws, and a pair of cooperating male and female members (11, 9), one of which has a part-spherical surface (18) which faces the other and which, when the screw joint is but loosely tightened, allows adjusting the cylinder part into a desired, correct working position in relation to the holder, in which position the screw joint (13) is finally tightened.
    • 可伸缩起重机吊杆包括多个伸缩臂部分,每个伸缩臂部分由管和安装在管的外端的保持架组成,并用作用于双作用液压缸的附件,其用于使单个伸缩臂 从而使起重臂整体伸展或缩短到紧邻的前悬臂段,从而分别延伸和缩短起重机吊臂的整体。 每个液压缸的气缸部分(7)经由包括具有多个螺钉的螺纹接头的联接器和一对配合的阳和阴构件(11,9)连接到保持器,其中一个具有部分球形表面 (18),当螺钉接头松动地紧固时,允许将气缸部分相对于保持器调节到期望的正确的工作位置,在该位置中螺钉接头(13)最后被紧固。
    • 9. 发明申请
    • EXTENDIBLE CRANE BOOM
    • 可伸缩起重机
    • WO1994025387A1
    • 1994-11-10
    • PCT/SE1994000334
    • 1994-04-15
    • HIAB ABFORSBERG, LarsLJUNGBERG, KennethSJÖSTRÖM, TommySTOLPE, Jens
    • HIAB AB
    • B66C23/693
    • B66C23/705
    • An extendible crane boom comprises, in addition to a tubular base boom section (1), a plurality of boom sections (2, 3, 4, 5) telescopically within the base boom section and each composed of a tube and a holder (8, 8', 8'', 88''') mounted at an outer end thereof for connecting the tube to a double-acting hydraulic cylinder (9, 9', 9'', 9''') with a view to displacing each boom section out of and into an immediately preceding boom section so as to lengthen and shorten, respectively, the crane boom in its entirety. The third and fourth hydraulic cylinders (9'', 9''') are located in a first plane which is parallel to the longitudinal extent of the boom and located inwardly of a second plane, in which the first and second hydraulic cylinders (9, 9') are located. This minimises the overall height of the outermost telescopic boom sections (4, 5), counted as the centre distance between the telescopic tube concerned and the associated hydraulic cylinder.
    • 可伸缩起重机吊杆除了管状基座臂部分(1)之外还包括多个悬臂部分(2,3,4,5),其可伸缩地位于基座悬臂部分内并且各自由管和保持器(8, 8',8“,88”'),用于将管连接到双作用液压缸(9,9',9“,9”'),以使每个 起重臂部分进入并进入紧邻的前悬臂部分,以便分别使起重机吊臂整体延长和缩短。 第三和第四液压缸(9“,9”')位于第一平面中,该第一平面平行于悬臂的纵向延伸并位于第二平面的内侧,第一和第二液压缸 ,9')。 这最大限度地减小了最外伸缩臂部分4,5的总体高度,其被计数为有关伸缩管与相关联的液压缸之间的中心距离。