| 摘要 |
A ballast distributing railroad car has a number of ballast hoppers, each w ith a selectively operable hopper discharge control member which is operable to selectively dr op material from the respective hopper either inside of or outside of the rails of a railroad tra ck. The railroad car also has a pair of ballast distributing blades pivotally attached beneath it, ei ther between the hopper discharge control members or one at either end of the car, with the blades b eing mirror images of each other. Each blade and each hopper discharge control member can be selec tively operated via an independent hydraulic actuator. A remote control radio transmitter an d car mounted receiver provide for remote, individual and selective control of hopper disc harge control members and blades on a car. |
