Top cover component suitable for integrated prefabricated pump station

The utility model discloses a top cover component suitable for an integrated prefabricated pump station, which belongs to the field of prefabricated pump stations and comprises an access hole and a cover plate, the cover plate is mounted right above the access hole, a vertically arranged screw rod is rotatably connected to the center of the top of the cover plate, and a rotating handle is arrangedat the other end of the screw rod. The screw rod is in threaded connection with a horizontally-arranged movable plate, the side walls of the sides, away from each other, of the movable plate are connected with connecting rods, the other ends of the connecting rods are connected with vertically-arranged fixing rods, the other ends of the fixing rods extend to the position below the cover plate andare rotationally connected with rotating blocks, and horizontally-arranged limiting blocks are fixed to the side walls of the rotating blocks. Guide plates which are horizontally arranged are fixed to the side walls of the si