公开(公告)号：US07958970B2

公开(公告)日：2011-06-14

申请号：US12553091

申请日：2009-09-02

申请人： Pengfei Ma ,  Shihan Zhang

发明人： Pengfei Ma ,  Shihan Zhang

IPC分类号： B66B3/02

CPC分类号： B66B9/187 ,  B66B1/3492 ,  B66C13/16

摘要： A hoist positioning system includes an accelerometer attached to a hoist, a control unit for processing signals from the accelerometer and comparing the processed signals with reference data to determine a position of the hoist, a drive system for moving the hoist up and down, and a relay that is switched ON and OFF by a control signal from the control unit. When the relay is switched ON, power is supplied to the drive system from a high-voltage power source and the hoist is driven up or down. When the relay is switched OFF, power from the high-voltage power source to the drive system is cut off and the hoist stops moving up or down.

摘要翻译： 一种起重机定位系统，包括附接到起重机的加速度计，用于处理来自加速度计的信号并将处理后的信号与参考数据进行比较的控制单元，以确定起重机的位置，用于上下移动升降机的驱动系统，以及 通过来自控制单元的控制信号接通和断开的继电器。 当继电器接通时，从高压电源向驱动系统供电，升降机向上或向下驱动。 当继电器关闭时，高压电源到驱动系统的电源被切断，起重机停止上下移动。