Feeding buffer system for drum chipper

The utility model relates to a feed buffer system for a drum chipper, the feed buffer system is arranged on an upper feed roll assembly, the feed buffer system comprises a hydraulic power unit, a hydraulic energy accumulator and an oil cylinder, the hydraulic power unit is arranged on the side face of a shell, the hydraulic power unit is connected to the hydraulic energy accumulator and the oil cylinder through a tee joint, and the hydraulic energy accumulator and the oil cylinder are connected with the hydraulic power unit. The oil cylinder is obliquely arranged, and the upper end and the lower end of the oil cylinder are hinged to the upper feeding roller assembly and the shell respectively. The feeding buffering system for the drum chipper aims at solving or at least reducing the problems that the counter-acting force of wood is prone to damaging an upper feeding roller assembly in the cutting process, and the using effect and the service life are affected, and provides the feeding buffering system for the