Underground diaphragm wall joint capable of enhancing horizontal shear strength

The utility model discloses an underground diaphragm wall connector capable of enhancing horizontal shear strength, and relates to the technical field of deep foundation pit construction, the underground diaphragm wall connector comprises H-shaped steel, a plurality of shear nails are welded to the right side of the H-shaped steel, the length of each shear nail is 100-150 mm, the spacing distance between every two adjacent shear nails is 200-500 mm, the shear nails are arranged, and the shear nails are welded to the right side of the H-shaped steel. The H-shaped steel is distributed between the front wall and the rear adjacent wall, the shear nails and the H-shaped steel are fixedly connected through welding, the multiple shear nails are distributed on one side of the H-shaped steel, the shear nails are inserted into the rear adjacent wall concrete, and through the arrangement of the multiple shear nails and the contact between the multiple shear nails and the rear adjacent wall concrete, the shear nails can