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    • 2. 发明授权
    • Milling machine with re-entering back wheels
    • 铣床重新进入后轮
    • US07140693B2
    • 2006-11-28
    • US10476206
    • 2002-04-26
    • Gregory Henry DubayMichele OreficeDario Sansone
    • Gregory Henry DubayMichele OreficeDario Sansone
    • E01C23/088
    • E01C23/088B60G3/01B60G2300/09B60G2300/37
    • A work machine includes a frame (2) supported by a plurality of wheels or tracks (5), at least some of which are associated with respective lifting columns (32) adapted to raise and lower the frame (2) relative to the respective wheels or track (5). A work tool is supported by the frame (2), and a drive mechanism is adapted to rotate the work tool and at least one of or tracks (5). An articulation apparatus (10) uses a first actuator (20) and a pivoting support arm (11) to move one of the wheels or tracks (5) between a projecting position and a retracted position relative to the frame (2). The articulation apparatus (10) includes a second actuator (21) adaped to rotate the wheel or track (5) about a vertical axis (Z).
    • 工作机器包括由多个轮子或轨道(5)支撑的框架(2),其中至少一些与相应的提升柱(32)相关联,所述提升柱(32)适于相对于各个轮子升高和降低框架(2) 或轨道(5)。 工作工具由框架(2)支撑,并且驱动机构适于旋转工作工具和至少一个或轨道(5)。 铰接装置(10)使用第一致动器(20)和枢转支撑臂(11)使轮子或轨道(5)中的一个相对于框架(2)在突出位置和缩回位置之间移动。 铰接装置(10)包括适于围绕垂直轴线(Z)旋转车轮或轨道(5)的第二致动器(21)。