The present invention relates to a lighting truss for a prefabricated structure, and more particularly, if there is an error in the lighting device of the lighting truss, the back cover that surrounds the outside of the lighting device of the lighting device easily from the support frame for supporting the upper and lower parts of the supporting rod. It is possible to check and replace the lighting device from the outside by drawing it out, and when the back cover is damaged by the external impact, it is easy to maintain and repair by removing the damaged back cover from the support frame and improve the work efficiency. A lighting truss for a prefabricated structure.;The present invention is in the prefabricated structure lighting truss consisting of a back cover through which the center is penetrated and a lamp is installed therein, a rod-shaped support rod to the outside of the light cover, and a support frame coupled to the upper end and the lower end of the support rod. The support frame 300 includes a frame body 310 having a c-shape having an open portion 311 having an open front surface; Insertion hole 321 is provided in the center of the front and rear edge of the frame body 310 is inserted into the support rod 200 in the center, the fixing screw 322 is coupled to the outer surface of the insertion hole 321 support rod ( A support rod coupling part 320 provided with a screw hole 323 to be fixed to the 200; A support part 330 supporting a back cover 100 inserted into the frame body 310 through an opening part 311 in a semicircular shape; Fixing protrusions having coupling grooves 341 which are bent toward the rear of the frame body 310 by extending inwardly into the opening part 311 in the support rod coupling part 320 at both sides of the front surface of the frame body 310. 340; Coupling protrusions 352 coupled to the coupling grooves 341 of the fixing protrusions 340 protrude on both front sides of the opening and closing body 351, and support grooves 353 in an arc shape on the rear surface of the opening and closing body 351. Is provided, and the bolt hole 355 is coupled to the fixing bolt 354 through the support groove 353 from the front to the back of the opening body 351 is fixed to the frame body 310 is coupled to the frame body 310 is provided The opening and closing of the opening 311 of the frame body 310 is composed of an opening and closing 350 for supporting the top and bottom of the back cover (100).;Prefabricated structure, lighting truss, back cover, support rod, support frame, opening
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