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The invention discloses thin-wall inner flanging C-shaped steel truss connectors and a composite truss. The composite truss comprises inner flanging C-shaped steel and the truss connectors. Inner flangings are arranged on side plates on the two sides of the inner flanging C-shaped steel respectively. The inner flanging C-shaped steel is inwards inserted into the outer sides of the truss connectors from the ends of the connectors respectively in a sleeving mode. The inner flanging C-shaped steel covers the outer sides of the truss connectors, and inner flangings are inserted into corresponding receding holes in a matched mode. Rear pressing grooves are formed in the surface of the inner flanging C-shaped steel and sleeved with stamped or punched positioning grooves in a matched mode. Steel belts are tied to the outer side of the inner flanging C-shaped steel, and the inner flanging C-shaped steel and the truss connectors are fixed together. The single inner flanging C-shaped steel is quickly and firmly in butt joint in an intersecting mode, or combined square steel is quickly and firmly in butt joint in an intersecting mode. The truss connectors are provided with webs, strength is high, and the truss connectors can serve as standard connecting pieces. The receding holes formed in the inner sides of the truss connectors and the inner flangings of the inner flanging C-shaped steel are buckled and compressed together, and the internal and external embedding effect is achieved. The positioning grooves formed in the outer sides of the truss connectors can be embedded in the inner flanging C-shaped steel in a concave-and-convex mode, and after compression and fixation are conducted through fastening of the steel belts, the fixing and anti-slipping effects are achieved.
The invention discloses thin-wall inner flanging C-shaped steel truss connectors and a composite truss. The composite truss comprises inner flanging C-shaped steel and the truss connectors. Inner flangings are arranged on side plates on the two sides of the inner flanging C-shaped steel respectively. The inner flanging C-shaped steel is inwards inserted into the outer sides of the truss connectors from the ends of the connectors respectively in a sleeving mode. The inner flanging C-shaped steel covers the outer sides of the truss connectors, and inner flangings are inserted into corresponding receding holes in a matched mode. Rear pressing grooves are formed in the surface of the inner flanging C-shaped steel and sleeved with stamped or punched positioning grooves in a matched mode. Steel belts are tied to the outer side of the inner flanging C-shaped steel, and the inner flanging C-shaped steel and the truss connectors are fixed together. The single inner flanging C-shaped steel is quickly and firmly in butt joint in an intersecting mode, or combined square steel is quickly and firmly in butt joint in an intersecting mode. The truss connectors are provided with webs, strength is high, and the truss connectors can serve as standard connecting pieces. The receding holes formed in the inner sides of the truss connectors and the inner flangings of the inner flanging C-shaped steel are buckled and compressed together, and the internal and external embedding effect is achieved. The positioning grooves formed in the outer sides of the truss connectors can be embedded in the inner flanging C-shaped steel in a concave-and-convex mode, and after compression and fixation are conducted through fastening of the steel belts, the fixing and anti-slipping effects are achieved.