Fecha de publicación: 13/12/2022 Fuente: Wipo "BigData" The utility model discloses a solid fertilizer crushing device for agricultural big data, which comprises a base and a grinding box, the bottom of the base is fixedly connected with foot pads, four corners of the base are fixedly connected with lifting rods, the top ends of the lifting rods are provided with a support plate, the inner side of the support plate is provided with the grinding box, and the grinding box is fixedly connected with the base. The grinding device comprises a grinding box, a supporting plate is arranged in the grinding box and fixedly connected with the grinding box, a filter screen is arranged at the bottom of the grinding box, mounting plates are fixedly connected to the two sides of the filter screen and connected with the grinding box through bolts, and an air cylinder is arranged on the inner wall of the grinding box. According to the solid fertilizer crushing device, a motor is started to enable a rotating roller to rotate, and a wear-resisting strip is matched for use, so that solid fertilizer can be crushed, the crushed solid fertilizer flows into a grinding box, and pressing plates on the two sides of the grinding box move oppositely through an air cylinder, so that the solid fertilizer in the grinding box is extruded, and the device has different crushing modes; and the crushing quality of the device is improved.