Safety monitoring device for tower crane

The utility model relates to the technical field of tower cranes, and discloses a safety monitoring device for a tower crane, which comprises a control box with a display and a plurality of sensors, the output end of each sensor is electrically connected with an electric plug through an electric connecting wire, the electric plug is electrically inserted into the lower end of the control box, and the control box is connected with the display. The lower end of the control box is fixedly clamped with a U-shaped clamping plate, the front side of the horizontal part of the U-shaped clamping plate is provided with a plurality of clamping grooves which are clamped on the outer side of the electric plug in a sleeving manner, and the outer wall of the electric plug is fixedly sleeved with two limiting ring plates located on the two sides of the U-shaped clamping plate. The utility model can effectively avoid the problem that the electric plug is separated from the control box due to external force pulling and further