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    Material handling apparatus
    4.
    发明授权
    Material handling apparatus 失效
    材料处理设备

    公开(公告)号：US3653486A

    公开(公告)日：1972-04-04

    申请号：US3653486D

    申请日：1970-07-17

    申请人： DRAVO CORP

    发明人： MCLEAN WILLIAM B ,  NARUNS LAIMONS

    IPC分类号： B65G65/20 ,  B66C23/72 ,  E02F9/18

    CPC分类号： E02F9/18 ,  B65G65/20 ,  B66C23/72 ,  B66C2700/0392

    摘要： There is shown a mobile material handling structure, such as a bucket wheel stacker and reclaimer having a carriage on which is a turntable structure comprising the turntable itself, with a mast, a load boom pivoted to swing in a vertical arc, and a counterweight at the end of a pivoted strut that extends out beyond the turntable in a direction diametrically opposite the load boom. A cable, connected with the counterweight, passes over the mast and is attached to the boom, so that as the boom swings up or down from a level position, the pivoted strut with its counterweight swings in an opposite direction from a level position. The center of mass of the counterweight is roughly about as far from the center of rotation of the table as the center of mass of the load boom so that the moment arms through which the two masses are effective to counterbalance each other are approximately equal at all times.

    摘要翻译： 示出了可移动材料处理结构，例如铲斗轮堆垛机和具有托架的回收机，其上是转台本身的转台结构，其具有桅杆，枢转以垂直弧摆动的负载起重臂和配重 枢转支柱的端部在与载重吊杆完全相反的方向上延伸超出转台。 与配重连接的电缆通过桅杆并连接到吊杆上，使得当吊杆从水平位置向上或向下摆动时，其配重的支杆与水平位置相反的方向摆动。 配重的质心大致与载重臂的质量中心距离工作台的旋转中心的距离大致相等，使得两个质量有效地抵抗彼此的力矩大致相等 次