Sand settling device for filtering based on sand collecting bag

The utility model belongs to the technical field of desilting devices, and discloses a desilting device for filtering based on a sand collecting bag, which comprises two fixed frames arranged at an interval, a stainless steel grating is embedded in each fixed frame, each fixed frame is also rotationally connected with a fixed plate, a through hole is formed in each fixed plate, and the through hole is communicated with the fixed frame. A telescopic rod is connected between the two fixing frames, a sand collecting bag made of filter cotton is further arranged on one sides of the two fixing frames, and the position, located on the telescopic rod, of the sand collecting bag is designed to be wrinkled. The desilting basin solves the problem that the existing desilting basin is poor in sediment settling effect, and can be used for improving the urban sediment settling effect. 本实用新型属于沉沙装置的技术领域，公开了一种基于集沙袋进行过滤的沉沙装置，包括两个间隔设置的固定框，每个所述固定框内均嵌设有不锈钢格栅，每个所述固定框上还转动连接有固定板，所述固定板上开有通孔，两个所述固定框之间连接有伸缩杆，两个所述固定框的一侧还设有由过滤棉制成的集沙袋，所述集