Live pig water drinking device for live pig breeding

The utility model relates to the technical field of live pig breeding, and discloses a live pig water drinking device for live pig breeding, which comprises a breeding water tank, the top end of the breeding water tank is fixedly connected with a shell through a back plate, a motor is fixedly arranged in the shell, an output shaft of the motor is connected with a screw rod, the screw rod is in threaded connection with a sliding table, and the sliding table is fixedly connected with the breeding water tank. The bottom end of the sliding table is fixedly connected with a sector plate through a supporting rod, the surface of the sector plate is provided with a filter screen and a rubber strip, and the sector plate is slidably connected with the interior of the breeding water tank. The water level in the breeding water tank can be monitored through the floating ball, when the water level in the breeding water tank is low, the floating ball can descend by means of self weight, then the light touch switch can be dr