Fixing and protecting device for metal wire slot

The utility model discloses a fixing and protecting device for a metal wire slot. The utility model relates to the technical field of trunking devices. The metal wire duct comprises a metal wire ductshell and a first clamping plate arranged on the outer side of the metal wire duct shell. Wherein a hinge piece is fixedly arranged at one end of the first clamping plate, a second clamping plate is movably hinged to the hinge piece, a movable column is fixedly connected to the upper end of the first clamping plate, a movable column is fixedly connected to the outer side surface of the first clamping plate, a fixed column is movably connected to the outer side of the movable column in a sleeving mode, and a mounting plate is fixedly connected to the upper end of the fixed column. The device isprovided with a first clamping plate, a fixed column, a mounting hole, a mounting plate, a movable column, a bolt, a second clamping plate, a limiting ring, an extrusion threaded rod, a connecting plate and a hinge piece, and