Illuminating lamp for tunnel

The utility model discloses a lighting lamp for a tunnel, which relates to the technical field of tunnel lighting and comprises a lighting device, a mounting component is mounted on the back of the lighting device, and a lighting lamp body is mounted in an inner cavity of the lighting device. According to the illuminating lamp for the tunnel, a rotating column is rotationally connected with the inner wall of a connecting plate, a worker can conveniently adjust the angle of an illuminating device left and right, a rotating shaft is rotationally connected with the inner wall of the rotating column, the worker can conveniently adjust the angle of the illuminating device up and down, and a second semicircular protruding block is pushed by a third spring to be clamped to the side wall of a mounting frame; a first semicircular protruding block is pushed through a second spring to be clamped to the side wall of the rotating shaft, the friction force between the rotating shaft and the connecting frame is improved, an