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    • 1. 发明申请
    • HYDRAULIC GRAPPLE
    • 液压格栅
    • WO2014051438A1
    • 2014-04-03
    • PCT/NZ2013/000178
    • 2013-09-25
    • A WARD ATTACHMENTS LIMITEDWARD, Simon Robert
    • WARD, Simon Robert
    • B66C3/00B66C3/04B66C13/00
    • B66C3/04B66C3/005B66C3/14B66C3/16
    • The invention relates to a grapple assembly in which a single actuator is used to operate the arms of the grapple but each arm is able to at least partly open and/or close independently of the other arms. A grapple assembly comprises an elongate core comprising a linear actuator; means for connecting the first end of the elongate core to a grapple hoist; a plurality of grapple arms connected to the second end of the elongate core by a pivotal connection oriented substantially perpendicularly to the elongate core; a plurality of elastically deformable connectors, each connector having coupled directly or indirectly to a connection region of the elongate core and coupled to one of the grapple arms at a point on the respective grapple arm spaced apart from the pivotal connection of the respective grapple arm to the elongate core, wherein the linear actuator is able to be actuated to move the connection region of the elongate core relative to the second end of the elongate core to open and/or close the plurality of grapple arms, and wherein the elastically deformable connectors permit each grapple arm to at least partly open and/or close independently of the other grapple arms upon exertion of an external force on the respective grapple arm.
    • 本发明涉及一种抓斗组件,其中单个致动器用于操作抓斗的臂,但是每个臂能够独立于其他臂至少部分地打开和/或关闭。 抓斗组件包括细长芯,包括线性致动器; 用于将细长芯的第一端连接到抓斗提升机的装置; 多个抓钩臂通过基本上垂直于细长芯取向的枢轴连接连接到细长芯的第二端; 多个可弹性变形的连接器,每个连接器直接地或间接地连接到细长芯的连接区域,并且在相应的抓钩臂上的相对于相应的抓斗臂的枢转连接处间隔开的点处联接到一个抓斗臂, 细长芯,其中线性致动器能够被致动以相对于细长芯的第二端移动细长芯的连接区域以打开和/或关闭多个抓钩臂,并且其中可弹性变形的连接器允许 每个抓斗臂在相应的抓斗臂上施加外力时至少部分地打开和/或关闭其他抓斗臂。