Anti-rollover monitoring device for luffing jib tower crane

The utility model discloses a luffing jib tower crane anti-rollover monitoring device which comprises a monitoring box body fixed at the bottom of a mounting plate, a plurality of mounting holes are formed in two sides of the top of the mounting plate, one side of the front end of the monitoring box body is rotatably connected with an access door, and an observation window is embedded in the center of the access door; a monitoring frame is arranged at the bottom of the center of the monitoring box body, supporting frames are fixedly connected to the two sides of the outer wall of the monitoring frame, a flexible trigger switch is arranged on the inner wall of the monitoring frame, a top hanging ring is fixedly connected to the center of the inner surface of the top of the monitoring box body, and a steel wire rope is fixedly connected to the center of the top hanging ring. And a trigger steel ball is hoisted at the bottom end of the steel wire rope. By designing the gravity triggering module, when the inclina