The paper illustrates the process of study on the device for automatic hanging of earthing wire for DC 1 500 V conductor rail, the defined functional requirements for the equipment that shall be met according to the design basis for device for automatic hanging of earthing device for conductor rail, and describes the researches and application of the device for automatic hanging of earthing wire at present and future development.%阐述了DC 1 500 V接触轨自动接挂地线装置的研究过程.根据接触轨自动接挂地线装置的设计依据,确定设备应达到的功能要求,并描述了自动接挂地线装置现阶段的研究应用情况及未来的发展前景.
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