An elevator car door operator device, comprising an elevator door operator cross beam, a door vane assembly and a door vane mounting seat, wherein the door vane mounting seat is fixedly arranged on a driving side car door, and the door vane assembly comprises: a first movable vane movably connected onto the door vane mounting seat through a connector; a second movable vane movably connected onto the door vane mounting seat through a connector and fitting with the first movable vane to clamp or loosen a landing door unlocking roller to drive a landing door to move; a first movable vane driving device rotatably connected with the first movable vane and driving the first movable vane to swing towards a direction close to the second movable vane; a protruding part arranged on the first movable vane driving device; a blocking part fixedly arranged on a static part of the elevator door operator cross beam, wherein the blocking part fits with the protruding part to limit the swinging range and swinging speed of the first movable vane when the car door is opened, and the blocking part fits with the protruding part to enable the first movable vane to swing towards a direction far away from the second movable vane when the car door is closed, characterized in that the first movable vane driving device comprises a first swinging rod and a second swinging rod, wherein the first swinging rod comprises: a rotating center rotatably connected with the door vane mounting seat; a first end connecting point rotatably connected with the upper part of the first movable vane; and a second end, the protruding part being arranged on the second end; and the second swinging rod comprises: a first end connecting point rotatably connected with the lower part of the first movable vane; and a second end connecting point rotatably connected with the door vane mounting seat, wherein a connecting line between the first end connecting point of the first swinging rod and the first end connecting point of the second swinging rod is always vertical, and a connecting line between the rotating center of the first swinging rod and the second end connecting point is always vertical. a first movable vane movably connected onto the door vane mounting seat through a connector; a second movable vane movably connected onto the door vane mounting seat through a connector and fitting with the first movable vane to clamp or loosen a landing door unlocking roller to drive a landing door to move; a first movable vane driving device rotatably connected with the first movable vane and driving the first movable vane to swing towards a direction close to the second movable vane; a protruding part arranged on the first movable vane driving device; a blocking part fixedly arranged on a static part of the elevator door operator cross beam, wherein the blocking part fits with the protruding part to limit the swinging range and swinging speed of the first movable vane when the car door is opened, and the blocking part fits with the protruding part to enable the first movable vane to swing towards a direction far away from the second movable vane when the car door is closed, characterized in that the first movable vane driving device comprises a first swinging rod and a second swinging rod, wherein the first swinging rod comprises: a rotating center rotatably connected with the door vane mounting seat; a first end connecting point rotatably connected with the upper part of the first movable vane; and a second end, the protruding part being arranged on the second end; and the second swinging rod comprises: a first end connecting point rotatably connected with the lower part of the first movable vane; and a second end connecting point rotatably connected with the door vane mounting seat, wherein a connecting line between the first end connecting point of the first swinging rod and the first end connecting point of the second swinging rod is always vertical, and a connecting line between the rotating center of the first swinging rod and the second end connecting point is always vertical. a rotating center rotatably connected with the door vane mounting seat; a first end connecting point rotatably connected with the upper part of the first movable vane; and a second end, the protruding part being arranged on the second end; and the second swinging rod comprises: a first end connecting point rotatably connected with the lower part of the first movable vane; and a second end connecting point rotatably connected with the door vane mounting seat, wherein a connecting line between the first end connecting point of the first swinging rod and the first end connecting point of the second swinging rod is always vertical, and a connecting line between the rotating center of the first swinging rod and the second end connecting point is always vertical. a first end connecting point rotatably connected with the lower part of the first movable vane; and a second end connecting point rotatably connected with the door vane mounting seat, wherein a connecting line between the first end connecting point of the first swinging rod and the first end connecting point of the second swinging rod is always vertical, and a connecting line between the rotating center of the first swinging rod and the second end connecting point is always vertical.