Grate cooler end wall anchoring drag hook brick

The utility model discloses a grate cooler end wall anchoring drag hook brick which comprises a rectangular brick body, a groove and a protrusion are arranged on the left side face and the right side face which are opposite to each other of the brick body respectively, the groove and the protrusion extend from the front face to the back face of the brick body, and the groove and the protrusion are located at the same height position of the brick body. In two brick bodies which are adjacent left and right, the protrusion on one brick body is inserted into the groove of the other brick body in a matched mode, a drag hook groove is formed in the front face of the brick body, one end of the drag hook groove is formed in the middle of the front face of the brick body, and the other end of the drag hook groove extends to the upper edge or the lower edge of the front face of the brick body. A drag hook hole is formed in one end of the drag hook groove in the middle of the front surface of the brick main body. Accord