Protection network installation connecting device

The utility model provides a protection network installation connecting device, it includes the fixed plate, the fixed plate is connected with the otic placode of being connected of girder steel, the fixed plate include preceding tip and with the integrative back tip of connecting of preceding tip, preceding tip is provided with preceding side, preceding tip is close to the position of preceding side is equipped with installation bayonet, back tip include side on the second, with on the second behind the perpendicular second of connecting of side the side and with the relative second side that sets up of side on the second, back tip is close to the position edge of side is on a parallel with on the second the side is provided with downwardly extending extremely behind the second the draw -in groove of second side, above -mentioned structure, but reuse, frequently dismouting and the strong performance of suitability not only had, solved the main structure moreover for the box roof beam or do not have the probl