Mounting mechanism of flow valve of grate box of cooling equipment

The utility model relates to a mounting mechanism of a flow valve of a grate box of cooling equipment. The grate box is fixedly arranged above a segmental beam, a mounting flange is arranged above the flow valve, and the flow valve is communicated with the grate box; the mounting mechanism is provided with two buckling plates fixedly connected below the segmental beam, the inner side of each buckling plate forms circular arc, the circular arcs of the inner sides of the two buckling plates are positioned on the same circle and positioned right below the grate box, the circular arc of the inner side of each buckling plate is provided with a convex step, clamping grooves are formed between the convex steps of the two buckling plates and the underside of the segmental beam, and the convex steps of the two buckling plates are provided with a notch respectively; and the mounting flange of the flow valve is provided with convex angle parts adapted with the notches, and the convex angle parts enter the clamping groov