Rapid splicing device for steel bar trusses

The utility model discloses a steel bar truss rapid splicing device which is installed on the outer wall of a steel bar truss and comprises the steel bar truss, locking knobs are installed at the center positions of side face splicing inserting blocks and side face splicing inserting grooves in an inserted mode, and bolt inserting holes are formed in the end face and the side face of the steel bar truss. A locking nut is installed at one end of the outer wall of the fixing bolt in a sleeving mode, and a supporting cushion block is installed in the splicing sleeve block in an attached mode. According to the rapid splicing device for the steel bar trusses, the splicing sleeve blocks can be subjected to end face and side face insertion positioning and splicing through the side face splicing insertion blocks and the side face splicing insertion grooves and the end face splicing insertion blocks and the end face splicing insertion grooves, and insertion locking and spiral fixing can be conducted through fixing bol