Fracturing propping agent storage box for on-site feeding

The utility model relates to a fracturing propping agent storage box for on-site feeding, which comprises a support frame and a storage box main body arranged in the support frame, and a feed opening is arranged at the top of the storage box main body. Two sets of guide rails are arranged at the top of the supporting frame in a spaced mode, and sliding plate rainproof equipment is arranged between the two sets of guide rails in a sliding mode and can shield the discharging opening. A scraping plate is further slidably arranged between the two sets of guide rails, the length direction of the scraping plate is perpendicular to the length direction of the guide rails, and the scraping plate is located above the sliding plate rainproof equipment and can be in sliding contact with the upper surface of the sliding plate rainproof equipment; a driving device is further arranged on the supporting frame, and the driving device is connected with the scraping plate and can drive the scraping plate to slide. According to