Drive control system for bottom door opening and closing mechanism of self loading hopper car
A bottom door opening and closing, drive control technology, applied in the direction of hopper cars, transport passenger cars, railway car body parts, etc., can solve the problems of mechanism wear efficiency, improve reliability, improve operation efficiency and operation safety, and achieve automation high effect
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[0010] Such as figure 1 As shown, the air cylinder push rod 1 is an actuator that controls the opening and closing of the bottom door. When the door needs to be opened or closed, the ground power supply device 4 supplies power to the electronic control unit 5, so that the electronic control unit 5 drives the three-position five-way solenoid valve 3 Complete the corresponding operation, and then complete the opening or closing of the bottom door. Air source 6 supplies air (pressure air) for the whole system. The air source 6 communicates with the air storage cylinder 7. When the funnel car passes the ground power supply device 4, according to the direction of the ground power supply when it is powered on, the electronic control unit 5 will judge whether it is an instruction to open or close the door at this time, and then drive the three-position five-way electromagnetic The coil corresponding to the valve 3 is energized, and the air path between one of the working chambers in...
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