Self-locking mechanism of construction hoist

The utility model discloses a self-locking mechanism of a construction hoist in the technical field of construction hoists, which comprises a hoist door frame and a movable door body, the front end of the hoist door frame is provided with a communicated opening, the two ends of the opening are respectively provided with a fixed seat, and each group of fixed seats is in sliding connection with the movable door body. A fingerprint identifier is arranged on the front end face of the left fixing seat, an audible and visual alarm is arranged on the top of the left fixing seat, motor boxes are arranged on the rear side faces of the two fixing seats, a control panel is further arranged on the rear side face of the left fixing seat, driving motors are arranged in the motor boxes, and the output ends of the driving motors are connected with rotating shafts which are located in the box body. According to the automatic opening and self-locking device for the building hoist, automatic opening and self-locking of the mova