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    • 6. 发明授权
    • Positioning cradle for mine roof supports
    • 定位摇篮为矿山屋顶支撑
    • US06612803B1
    • 2003-09-02
    • US09506472
    • 2000-02-17
    • Clifford A. McCartneyWilliam A. Anderson
    • Clifford A. McCartneyWilliam A. Anderson
    • B66F918
    • B66F9/18E21D15/002E21F13/006
    • A cradle for placing a support in a mine. The cradle includes a housing for holding the mine support. The cradle includes an arm mechanism rotatably attached to the housing which has an open position that allows the support to enter the housing and a closed position which prevents the support from leaving the housing. The cradle includes an attachment mechanism connected to the housing for rotatably attaching the housing to a platform of a mechanism for moving the mine support. The attachment mechanism maintains the housing in the horizontal position or a vertical position. A method for placing a support in a mine. The method includes the steps of moving a support from a platform to a cradle. Then there is the step of rotating the cradle until the support is in a vertical position relative to ground. Next there is the step of placing the support on the ground. Then there is the step of separating the support from the cradle. Next there is the step of tensioning the support with the mine roof.
    • 一个用于在矿中放置支架的摇篮。 摇篮包括一个用于容纳矿井支架的住房。 托架包括可旋转地附接到壳体的臂机构,其具有允许支撑件进入壳体的打开位置和阻止支撑件离开壳体的关闭位置。 托架包括连接到壳体的附接机构,用于将壳体可旋转地附接到用于移动矿井支架的机构的平台。 附接机构将壳体保持在水平位置或垂直位置。 一种在矿井中设置支撑的方法。 该方法包括将支撑件从平台移动到支架的步骤。 然后有一个旋转支架的步骤,直到支撑件相对于地面处于垂直位置。 接下来,将支持放在地面上。 然后是从支架分离支架的步骤。 接下来就是用矿山屋顶拉紧支架的步骤。