Pipeline inner wall rust removal mechanism for gathering and transportation pipeline machining

The utility model belongs to the technical field of gathering and transportation pipelines, in particular to the field of pipeline inner wall rust removal mechanisms for gathering and transportation pipeline machining, which comprises a device body and a second chute, a sand blasting device and a dust removal device are arranged in the device body, a rotating shaft is mounted on the right side of the device body, and a ratchet wheel and a gear are mounted on the outer side of the rotating shaft; the left side of the gear is connected with a rack, a first sliding groove is formed in the side, close to the device body, of the rack, a transverse rod is welded to the left end of the rack, a cleaning brush plate and a rust removal iron brush are installed at the left end of the transverse rod, and a second sliding groove is formed in the upper surface of the device body; and a fixing device is installed above the second sliding groove, dust generated during rust removal can be conveyed into the collecting box thro