Patent ID: 11883862
Assignee: SOUTHWEST PETROLEUM UNIVERSITY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 4:
5. The pipeline automatic scale removal and storage device according to claim 4, wherein the composite rotating shaft (59) comprises a second rotating shaft barrel (69b), a second rotating shaft ring (63b), a third mandrel (68c), second fan blades (70b) and the second spiral blade (60b); the second fan blades (70b) are fixedly connected with the inner wall of the second rotating shaft barrel (69b); the second rotating shaft ring (63b) is fixedly installed at the periphery of the end of the rotating shaft barrel; a part of the third mandrel (68c) is located in the second rotating shaft barrel (69b) and is fixed with one end of the second fan blades (70b) away from the inner wall of the second rotating shaft barrel (69b), and the other part is fixed around the second spiral blade (60b); and the outer edge of the second spiral blade is in clearance fit with the inner wall of the threaded connector C(62) of the first connecting frame (61).