Bulk soil particle screening device

The utility model discloses a bulk soil particle screening device, relates to the technical field of geotechnical engineering equipment, and mainly aims to reduce the probability of damage of screening parts. According to the main technical scheme, the bulk soil particle screening device comprises a box body, a screening part and a buffering part; the upper end of the box body is connected to the feeding hopper; the screening part is arranged in the box body; the buffering part comprises an inverted-V-shaped plate, a bearing frame and a plurality of springs, the bearing frame is fixedly arranged in the box body above the screening part, the lower end of each spring is fixedly connected to the bearing frame, and the upper end of each spring is fixedly connected to the inverted-V-shaped plate and used for driving the inverted-V-shaped plate to move up and down in the box body; a plurality of filtering holes are evenly distributed in the lower side edges of the two inclined faces of the inverted-V-shaped plate r