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针对不同结构的桥门式起重机,采用接近开关和光电开关对主、副吊钩高度信号和大、小车位置信号进行采集,方法简便,精度高。
For different structure of the bridge gantry crane, the proximity switches and photoelectric switches on the main and auxiliary hook height signal and the car position signal acquisition, the method is simple and high precision.