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    • 5. 发明授权
    • Traction rod for bracing a crane jib
    • 用于支撑起重机吊臂的牵引杆
    • US08701903B2
    • 2014-04-22
    • US13148794
    • 2010-02-05
    • Thomas Müller
    • Thomas Müller
    • B66C23/62
    • B66C23/82
    • The invention relates to a traction rod (1) for bracing a crane jib, comprising a metallic tubular body (2) and coupling elements (3) which are connected to both ends thereof for an articulated connection of the traction rods among each other by means of bolts (5). According to the invention, the tubular body and the coupling elements consist of a one-piece tube portion, wherein the coupling elements are designed in each case as a thicker zone of the wall of the ends of the tubular body and are dimensioned in such a manner that a weakening of the cross section of the nominal wall thickness of the coupling elements, which has to be considered for calculating the load capacity of the tubular body, is prevented in the region of the bolt connection and the transition regions (7) from the respective thicker zones of the wall in the direction of the tubular body have a transition free of starting points for increasing fatigue strength.
    • 本发明涉及一种用于支撑起重机起重臂的牵引杆(1),其包括金属管状体(2)和联接元件(3),所述连接元件(3)的两端连接有用于通过装置相互牵引的牵引杆的铰接连接 的螺栓(5)。 根据本发明,管状体和联接元件由单件管部分组成,其中联接元件在每种情况下被设计为管状体的端部的壁的较厚区域,并且尺寸设置为 在螺栓连接和过渡区域(7)的区域中,防止了必须考虑用于计算管状体的负载能力的耦合元件的标称壁厚的横截面的弱化 在管状体的方向上壁的相应的较厚区域具有没有起始点的转变以增加疲劳强度。