Container zipper fixing seat, container zipper fixing seat device and mining dump truck

The utility model discloses a container zipper fixing seat, a container zipper fixing seat device and a mining dump truck. The container zipper fixing seat device comprises a first bent plate, a second bent plate, a rib plate and a reinforcing plate, the first bent plate and the second bent plate are fixed together in a back-to-back connection mode; coaxial first through holes are formed in the connecting parts of the first bent plate and the second bent plate; a second through hole is formed in the reinforcing plate, the reinforcing plate is fixed in the first bent plate, and the second through hole and the first through hole are coaxially arranged; and the rib plate is fixed in the first bent plate. The two bent plates are connected in a back-to-back mode, the reinforcing plates and the rib plates are additionally arranged in local holes of the bent plates, the structural strength and stress distribution are good, the frame can bear lasting tension and pressure, chain cyclic tension and compression deformat