Ballast hopper car discharge door control system
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United States of America Patent
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Feb 10, 2015
Issued Date -
N/A
app pub date -
Aug 3, 2012
filing date -
Jan 6, 2011
priority date (Note) -
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Abstract
The present invention discloses a ballast hopper car discharge door control system, comprising a control box, said control box comprises electrical pneumatic control system and receiving device; hydraulic system, connected to electrical pneumatic control system; manual control device and remote control device are operated to control opening or closing of ballast hopper car discharge doors; storage battery, configured to provide electrical pneumatic control system in said control box with continuous power supply and remote control device with charging power supply; pressure switch, arranged between control box and storage battery, said pressure switch is operated by pressure of air source to control connecting and disconnecting between storage battery and control box. The ballast hopper car discharge door control system provided by the present invention prevents false on-site operation of discharge door, thus prevents unexpected operation, improves discharging efficiency of ballast hopper car and reduces workload of operator.
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