Safety protection detection device and detection method of comb plates on automatic escalator and automatic sidewalk

The invention discloses a safety protection detection device and a detection method of comb plates on an automatic escalator and an automatic sidewalk. The detection device is characterized in that a wedge-shaped inserting block is horizontally arranged, wing plates are horizontally arranged on the two sides of the wedge-shaped inserting block, detachable upright push plates are arranged on the wing plates, and the wedge-shaped inserting block and the wing plates are placed on a stair tread and can run along with stairs; the wedge-shaped inserting block running along with the stairs is inserted between the comb plate and the stair tread to simulate the insertion of foreign matter to detect the vertical movement of the comb plate, and the upright push plates running along with the stairs are utilized to horizontally push the comb plate to detect the horizontal movement of the comb plate; vertical pressure sensors are distributed on the wedge surface of the wedge-shaped inserting block, and horizontal pressure