DEVICE FOR CLEANING OF MAIN PIPELINES INTERNAL SURFACE AND FOR DETERMINATION OF THE PIPELINES THROUGHPUT EFFICIENCY AT THEIR PREPARATION FOR INTRATUBAL DIAGNOSTICS Russian patent published in 2005 - IPC

FIELD: main pipelines cleaning and diagnostics of their state.

SUBSTANCE: the invention is pertaining to the field of cleanout of main pipelines and may be used both for cleanout of pipelines and for diagnostics of their state in the process of operation as a device for the primary passing and confirmation of trafficobility of earlier not cleaned pipelines. The device contains a tubular body supplied with sealing rings, between which the centering skids are mounted, each of which represents the uniformly located along the circumference of the tubular body two-arm levers, the shaft of rotation of which is fixed on the external part of the tubular body. The long arm of the levers is supplied with a wheel and mounted at an angle to the axis of the tubular body, and the short arm is located inside the tubular body and supplied with a spring-loaded roller commercial film. The device easily transits in the main pipeline because during motion it does not deviate from the axis of the main pipeline.

EFFECT: the invention ensures the pipelines cleaning and diagnostics of their state in the process of operation.

2 dwg