Lintel for electric tube of distribution box body

The utility model discloses a lintel used for a distribution box body electric tube. The lintel comprises a frame and a T-shaped supporting rod. The frame is of a square structure and can be horizontally installed in a reserved cavity of a wall. The bottom of the frame can be attached to the top of the distribution box body, and a fixed line pipe on the distribution box body can penetrate through the frame. The T-shaped supporting rod is vertically arranged in the distribution box body; the two ends of the top of the T-shaped supporting rod can be arranged below the bottoms of the two sides of the frame and attached to the inner wall of the top of the distribution box body. The lintel structure for the power penetration pipe of the distribution box body is easy to manufacture, compared with a traditional prefabricated lintel, a mold is not needed, materials are saved, the lintel structure can be manufactured on site according to the size requirement of the distribution box body on site, construction is conven