Tunnel side wall edge anti-collision wall drainage structure

The utility model relates to a tunnel side wall edge anti-collision wall drainage structure which comprises a water collecting box and a drain pipe, the water collecting box is in a long pipe shape, the cross section of the water collecting box is in a semi-circular arc shape with an upward opening, and a cover plate is arranged at the opening; a plurality of through holes are formed in the coverplate; the water collecting box is poured at the top end of a tunnel side wall edge anti-collision wall and is opened upwards, and the two ends of the water collecting box are located at an inlet andan outlet of a tunnel. The drain pipe is arranged in the anti-collision wall, the upper end of the drain pipe is communicated with the water collecting box, and the lower end of the drain pipe is communicated with a side ditch. The tunnel expansion joint drainage device is reasonable in design, simple in structure and convenient to construct, tunnel expansion joint water leakage, structure crack water leakage, rainwater, p