Anti-blocking dredging device for municipal drainage pipe

The invention relates to the technical field of municipal drainage, in particular to an anti-blocking dredging device for a municipal drainage pipe. The invention provides the anti-blocking dredging device for the municipal drainage pipe, which can lead out sundries. An anti-blocking dredging device for a municipal drainage pipe comprises a device frame, a supporting seat, a hand-cranking fluted disc, a toothed bar and the like, the supporting seat is rotatably connected to the device frame, the hand-cranking fluted disc is rotatably connected to the supporting seat, the toothed bar is slidably connected to the supporting seat, and the hand-cranking fluted disc is meshed with the toothed bar. The device further comprises a grabbing mechanism and a discharging assembly, wherein the grabbing mechanism is used for guiding sundries out of the drainage pipe. And the grabbing mechanism is arranged, firstly, a toothed disc is rocked by a hand to enable a toothed bar to go deep into a blockage through a punch, then a