Underwater robot retracting and releasing device

The utility model discloses an underwater robot take-up and pay-off device which comprises a take-up and pay-off platform, a hanging basket, a twisted rope take-up and pay-off mechanism arranged on the take-up and pay-off platform, a translation mechanism and a waste liquid recovery unit. The twisted rope take-up and pay-off mechanism is connected with the hanging basket and drives the hanging basket to move up and down in the vertical direction relative to the take-up and pay-off platform; the translation mechanism is connected with and drives the twisted rope take-up and pay-off mechanism and the hanging basket to move back and forth in the horizontal direction relative to the take-up and pay-off platform; and the waste liquid recovery unit is connected with a recovery pipe for recovering chippings generated by working of the robot. According to the winding and unwinding device for the underwater robot, winding and unwinding of the hanging basket and the robot loaded on the hanging basket are accurately con