Initial rainwater diversion device in drainage ditch

The utility model discloses an initial rainwater diversion device in a drainage ditch, which comprises a drainage ditch, a diversion ditch and a water storage pond, one end of the diversion ditch is communicated with the front end of a water outlet section of the drainage ditch, the other end of the diversion ditch is communicated with the water storage pond, and the rear end of the water outlet section of the drainage ditch is communicated with an urban rainwater pipe network. The diversion assembly comprises a rotating baffle, a rotating shaft and a driving mechanism, the rotating shaft is rotationally connected with a rotating seat arranged at the communicating position of the drainage ditch and the diversion ditch, one vertical side edge of the rotating baffle is fixedly connected with the rotating shaft, and the driving mechanism can drive the rotating shaft to rotate so that the rotating baffle can choose to block the front end of the drainage ditch water outlet section or the diversion ditch water inle