Material limiting device for high-belt-speed pipe belt machine

The utility model relates to the technical field of pipe belt machines, in particular to a material limiting device for a high-belt-speed pipe belt machine, which comprises a screw mechanism, a material limiting plate, a material collecting plate and a bracket, the bracket is connected to conveying trusses on two sides of the high-belt-speed pipe belt machine through stand columns on two sides, and a cross beam of the bracket is perpendicular to the length direction of the high-belt-speed pipe belt machine. The screw mechanism comprises a material limiting plate connecting beam and adjusting screws, the material limiting plate connecting beam is arranged below a cross beam of the support and is parallel to the cross beam, the upper portion of the adjusting screws is in threaded connectionwith the cross beam, the bottom of the adjusting screws is in threaded connection with the material limiting plate connecting beam, the material limiting plate is fixed to the material limiting plateconnecting beam, and the m