Main fault analysis methods of slide contact lines

First, the main cause of the power failure of the trolley line: The brush is climbing in the conductor; the brush is worn badly and cannot reach the conductor; the conductor connection is not even; the single collector uses; the rail connector is loose.

Treatment method: detect whether the collector brush wear is serious, replace the collector brush; replace the brush and re-adjust the connection node; use double brush collector; re-tighten the connection screw.

Second, the deformation of the guide rail, the main obstacles to the operation of the collector are: the ambient temperature is too high; the spacing between the lifting racks is large or loose.

Treatment method: Partially adopt heat insulation board, add outdoor sun visor; increase the number of lifting wires on the trolley wire, correct the conductor and tighten the screws.

Third, the major reasons for cable sloshing during work: The fork cannot absorb the transmission error; the straightness of the guide rail is poor; the hanger is loose.

Treatment method: Correct the tractor so that it can absorb the transmission error freely; adjust the straightness of the guide rail.

Fourth, the brush wears fast mainly causes: The joint is not smooth; The carrying capacity is too big; The spring pressure is big.

Treatment method: Reconnect the guide rails as required; increase the number of current collectors; replace and correct the spring pressure.

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