Soil protector for river cut-off dam

The utility model discloses a soil protecting device for river closure dam construction, which consists of a bottom skid provided with a draw ring and hinged with an underframe distributed on the bottom skid forming a four-bar linkage, a dam shaped splash plate movably arranged on the underframe on the front end, a soil pressed skew plate and a water-resisting guard plate which are respectively arranged on the inner side and the outer side of the underframe. The utility model has the advantages of avoiding the earthwork loss of the dam, improving the progress of dam construction, decreasing the amount of labour and the cost of dam construction, suitability for the water conservancy of river-crossing dam construction and river closure.