Feeding mechanism capable of keeping posture of hopper unchanged in overturning process

The utility model relates to the technical field of material transportation equipment, in particular to a feeding mechanism capable of keeping the posture of a hopper unchanged in the overturning process, the feeding mechanism comprises a lifting device and the hopper installed on the lifting device, and the lifting device comprises a supporting frame, a rotating swing arm assembly, a driving unit, a transfer chain wheel assembly and a lifting swing arm assembly. The rotary swing arm assembly is hinged to the supporting frame. The driving unit is connected with the rotary swing arm assembly; the second chain wheel is connected with the support frame; the first chain wheel is connected with the rotary swing arm assembly; the second chain wheel is in transmission connection with the second chain; one end of the lifting swing arm is hinged with the support frame, and the other end is hinged with a third chain wheel; the second sprocket is in transmission connection with the third sprocket; the hopper is hinged w