| 摘要 |
The tracks of a railroad yard system have an access track and a plurality of switches leading to a plurality of yard tracks are lubricated by a lubricating station positioned on the access track. In addition to lubricating the tracks, lubrication nozzles are directed at the switch plates and switch points of the switches of the system. Detectors are positioned on the yard tracks to determine the speed of the cars as they roll down track and into the yard, and a computer, responsive to these detectors, control the discharge of lubricant by the lubricating station. Detectors are also positioned near each switch plate to detect when each switch plate moves, and a dispensing system dispense lubricant through the nozzle directed toward a switch plate whenever the switch plate is moved.
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