Movable casting blank on-line weighing device for multi-strand continuous casting machine

The utility model discloses a movable casting blank on-line weighing device for a multi-strand continuous casting machine. The movable casting blank on-line weighing device comprises a platform assembly, a transverse moving trolley assembly and a weighing hanging frame assembly. The platform assembly is arranged above a conveying roller way of the multi-strand continuous casting machine; the transverse moving trolley assembly is installed on the platform assembly and can transversely move above all runners of the multi-strand continuous casting machine. Each transverse moving trolley assembly is provided with two weighing hanging frame assemblies, the weighing hanging frame assemblies are connected with lifting driving power mechanisms arranged on the transverse moving trolley assemblies, and the connecting line direction of the weighing ends of the two weighing hanging frame assemblies is consistent with the moving direction of a casting blank. The weighing hanging frame assembly has the advantages that the