Hopper car bottom door locking state monitoring system

The utility model discloses a hopper car bottom door locking state monitoring system comprising a position sensor used for monitoring the rotation position of an upper crank throw and collecting bottom door locking state information corresponding to the rotation position, and the upper crank throw is used for driving a bottom door to open and close; the front-end processor is electrically connected with the position sensor and used for receiving the locking state information of the bottom door; and the handheld detection equipment is in communication connection with the front-end processor andis used for acquiring and displaying the locking state information of the bottom door. The hopper car bottom door locking state monitoring system provided by the utility model is different from the prior art which only depends on visual and sound listening methods and operation experience, can visually reflect the locking information, assists an operator to accurately judge the locking state, ensures the application safe