Chain type soil crushing roller

The utility model relates to a chain type soil breaking roller, which belongs to the field of agricultural machinery and comprises a main shaft, two bearing seats, a main body frame and a plurality of iron chains, the main body frame is composed of a left end plate, a supporting shaft and a right end plate which are integrally connected, the supporting shaft is of a hollow structure, the two bearing seats are fixedly connected with the left end plate and the right end plate respectively, and bearings are arranged in the bearing seats. The bearings are arranged at the two ends of the main shaft in a sleeved mode respectively, the middle section of the main shaft is arranged in the supporting shaft, the two ends of the iron chains are fixedly connected with the left end plate and the right end plate respectively, and the iron chains are evenly distributed on the main body frame. The iron chains have certain flexibility, the distance between the chains can be changed, the situation that the soil blocks are clamp