A pig assembly for cleaning of a concrete pump hose
By designing a sewage discharge assembly for cleaning concrete pump pipes, the problem of difficult mortar removal in high-rise building pump pipes has been solved, achieving efficient cleaning and flexible adaptation to building height.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGCHUN CONSTR GRP CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-05-29
AI Technical Summary
In existing technologies, the mortar discharged from the pump pipes of high-rise buildings is difficult to clean, especially the time wasted on the formwork.
Design a sewage discharge assembly for cleaning concrete pump pipes, including a template, a material passage pipe, a connecting pipe, a support plate, a transfer pipe, and a discharge pipe. Through the combined use of these components, the cleaned mortar can flow smoothly to the designated location and can be flexibly adjusted according to the building height.
It achieves efficient cleaning of mortar in pump pipes, improves cleaning efficiency, reduces cleaning time on formwork, and adapts to the needs of different building heights.
Smart Images

Figure CN224294237U_ABST