Drain valve control device

The invention discloses a drainage valve control device, and relates to the technical field of drainage control mechanisms, the drainage valve control device comprises a traction driving mechanism and a drainage sealing mechanism, the traction driving mechanism comprises a traction capstan, the traction capstan is fixedly connected with a traction rope ring, and the middle of the traction rope ring is fixedly connected with a traction block; the drainage sealing mechanism comprises a movable pipe, a water blocking sleeve is slidably installed in the middle of the movable pipe, and the inner wall of the water blocking sleeve is fixedly connected with a traction block through a connecting frame. A traction rope in a common drainage control device is replaced with a traction rope ring, structures such as a driving motor are used for driving a traction winch to rotate in a reciprocating mode, and the traction rope ring and a traction block on the traction rope ring are driven to rotate in a reciprocating mode, so