Anti-knotting line pendant device for building engineering construction

The utility model discloses an anti-knotting line pendant device for constructional engineering construction, which comprises a machine body, a motor is fixedly connected to the upper surface of the machine body, a first gear is fixedly connected to the output end of the motor, a second gear is rotatably connected to the rear surface of the machine body, a rotating shaft is fixedly connected to the front surface of the second gear, and the rotating shaft is fixedly connected to the rear surface of the machine body. A cable is fixedly connected to the outer surface of the rotating shaft, a plumb bob is fixedly connected to the end, away from the rotating shaft, of the cable, a push rod is slidably connected to the right surface of the machine body, an ink box is slidably connected to the outer surface of the push rod, a guide pipe is fixedly connected to the lower surface of the ink box, and the push rod is slidably connected to the right surface of the machine body. By arranging the motor, the first gear, the