Deflection-adjustable steel beam

The utility model relates to the field of steel beam deflection adjustment, and discloses a deflection-adjustable steel beam which comprises a steel beam body, the steel beam body is installed on one side of an installation frame, the installation frame is installed on one side of a wall, and an adjusting component is arranged between one side of the wall and the upper side of the end, away from the installation frame, of the steel beam body. The adjusting component comprises bearing rods, the upper side of the steel beam body is fixedly connected with a second bearing rod, the first bearing rod and the second bearing rod are linear and are arranged in a spaced mode, the symmetrical side face of one end of the first bearing rod is fixedly connected with a first fixing block, and the symmetrical side face of one end of the second bearing rod is fixedly connected with a second fixing block. A first fastener penetrates through one side of the second fixing block and is in threaded connection with the second fixi