The embodiment of the invention discloses a K-shaped
open type big black channel steel structure and a
combination method. The K-shaped
open type big black channel steel structure comprises a suspended ceiling structural body, C-shaped light steel keels, big black channel keels, K-shaped
open type aluminium plates, lifting rods, light steel
keel lifting pieces, big black channel
keel lifting pieces, big black channels, limiting clamping hooks, limiting circular holes, limiting square holes, threaded through holes, fixing threaded studs, arched clamping seats and limiting threaded holes. The
combination method comprises the steps of first, clamping the limiting clamping hooks at the lower ends of the big black channel
keel lifting pieces on the big black channel keels; and then, clamping the upper ends of the big black channel keel lifting pieces on the C-shaped light steel keels and fixing the upper ends of the big black channel keel lifting pieces to the C-shaped light steel keels byusing bolts; and finally, carrying the two ends of the K-shaped open type
aluminium plates between the two big black channel keels, correspondingly fixing the edges of the two ends of the K-shaped open type
aluminium plates to the corresponding big black channel keels again by using the fixing threaded studs, and stably connecting the two adjacent K-shaped open type aluminium plates in the lengthdirection again by using the arched clamping seats.