Rolling slats door anti -falling device

The utility model relates to a rolling slats door anti -falling device, including mounting panel, spool and reel, reel one end is equipped with anti -falling device, anti -falling device includes brake arm, extension spring, cam, pendulum rod, pull rod, reset spring, electro -magnet, speed sensor and controller, in the reel tip was located to the brake arm, this brake arm was equipped with a pairofly, and its upper end articulates through the pivot each other, and its lower extreme is terminal surface in opposite directions, the brake arm arc back is equipped with brake pad, two -system swingarm lower part is connected in the extension spring, the cam is located between the two -system swing arm lower extreme terminal surface, the electro -magnet is connected to the one end of pull rod,is equipped with the spring holder on it, reset spring locates between spring holder and the electro -magnet, speed sensor is used for the rotational speed of real -time supervision reel. The utilitymodel discloses can prevent