Fast moving steel haulage chain

The utility model relates to a fast moving steel haulage chain which comprises two haulage chain belts formed by the connection of a multi-section thickening chain plate and a thin chain plate, wherein a plurality of supporting plate and supporting rods are installed between the two haulage chain belts; the positions on both sides of the thickening chain plate are provided with arc-shaped wandering slot holes of a pin shaft. The utility model is characterized in that the pin shaft which is movably connected with the thickening chain plate and the thin chain plate of the steel haulage chain adopts a structure of a single-flange pin shaft 1; one end of the single-flange pin shaft 1 is provided with a fixed flange 2, and the center on the other end is provided with a through hole 3; the single-flange pin shaft 1 is connected with a split pin 5 penetrating through the through hole 3 through a gasket 4; both the sides of the thickening chain plate are respectively provided with three or more than four arc-shaped wandering slot holes of the pin shaft; compared with the traditional haulage chain, more than one arc-shaped wandering slot hole is added to each group. The utility model has the advantages of complete structure, firm and stable connection among chain plates and no occurrence of falling-off faults for a clip spring and the pin shaft, and the utility model can be suitable for rapid moving speed of 180 meters per minute for a long term.