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    Jam detection and safety device for jamming machinery
    1.
    发明申请
    Jam detection and safety device for jamming machinery 失效
    卡纸检测和干扰机械的安全装置

    公开(公告)号：US20070101873A1

    公开(公告)日：2007-05-10

    申请号：US11593980

    申请日：2006-11-06

    申请人： John Etherton ,  John Powers ,  Eugene McKenzie ,  Kenneth Means ,  Brad Newbraugh

    发明人： John Etherton ,  John Powers ,  Eugene McKenzie ,  Kenneth Means ,  Brad Newbraugh

    IPC分类号： B30B15/14

    CPC分类号： B30B15/0047 ,  B30B9/3007 ,  B30B15/08

    摘要： The present disclosure concerns a jam detection and safety system for machines prone to jamming, such as a baler. In particular embodiments, the system is implemented in a horizontal baler having a shear bar and a hydraulic ram that advances material being baled past the shear bar into a compression chamber. The system includes a strain gage mounted on the shear bar and a controller that is electrically connected to the strain gage. The controller receives strain signals from the stage gage and compares the strain of the shear bar to a predetermined strain threshold corresponding to a jamming condition. If the strain exceeds the predetermined threshold, the controller automatically deactivates the ram, such as by disconnecting line power from the baler and/or by turning off the control power of the baler.

    摘要翻译： 本公开涉及用于容易发生卡纸的机器的卡纸检测和安全系统，例如打捆机。 在具体实施例中，该系统在具有剪切杆和液压柱塞的水平打捆机中实现，该打浆机将经过剪切杆打包的材料推进到压缩室中。 该系统包括安装在剪切杆上的应变计和电连接到应变计的控制器。 控制器从分级计接收应变信号，并将剪切杆的应变与对应于干扰条件的预定应变阈值进行比较。 如果应变超过预定阈值，则控制器自动停用冲头，例如通过断开打捆机的线路电源和/或关闭打包机的控制功率。