The utility model discloses a portable ground wire device that connects belongs to power maintenance equipment technical field. The device main part bind fixedly through bandage and haversack, devicemain part front end be provided with ground wire clamp, ground wire clamp fixed through wing screw and insulator spindle, the insulator spindle rear end be provided with the handle, the handle afterbody be provided with insulating string, and reasonable design, this portable ground wire device that connects adopts scalable light thin wall insulator spindle, lightly be convenient for operate, utilize the novel aluminium alloy material preparation buckle of falling back dunk, the condition of having knotd when having avoided the ground wire to receive and release, it is practical, the present invention is suitable for bulk production, the single unit system is equipped with self -control braces formula knapsack, and convenient carrying, transmission about convenient, increase substantially the maintenance security, the maintenance work have a power failure time is shortened, moderate cost, and is suitable for being generalized to use, do you be applicable to 35kV all shaft towers of 220kV circuit.