Anti-collision protection plate for crusher

The utility model relates to the technical field of anti-collision protection plates, solves the technical problems that raw material fragments rigidly collide with the anti-collision protection plates, and the anti-collision protection plates are seriously damaged, and particularly relates to an anti-collision protection plate for a crusher, which comprises a crushing box, an upper cover for preventing the raw material fragments from splashing is arranged above the crushing box, and cover plates are fixed on two sides of the upper cover. Mounting plates are fixed to the two sides of the crushing box, limiting mechanisms for locking are arranged between the cover plate and the mounting plates, a protection plate assembly for preventing raw material fragments from rigidly impacting the upper cover is mounted in the upper cover, the protection plate assembly comprises a first protection plate rotationally connected to the inner wall of the upper cover, and a second protection plate is rotationally connected to