Weight reducing device for intelligent weight reducing trainer

The invention discloses a weight reducing device for an intelligent weight reducing trainer. The device comprises a winding drum motor, a screw winding drum, a screw shaft, a sliding rail, a pull rope, a fixed pulley, a movable pulley, a steering wheel, a first mounting plate, a second mounting plate and a fixed plate, the two ends of the screw shaft are mounted on the first mounting plate and thesecond mounting plate respectively, the screw winding drum is connected with the screw shafts through threads, and the pitch of wire grooves in the screw winding drum is equal to that of the screw shaft; the winding drum motor is mounted on the first mounting plate; the power output shaft of the winding drum motor is connected with the screw winding drum; and the two ends of the sliding rail areinstalled on the first mounting plate and the fixed plate respectively, the movable pulley is connected with the sliding rail through the sliding frame, the fixed pulley and the steering wheel are installed on the two sides of