FACILITY FOR INSPECTION AND DIAGNOSIS OF INTERNAL SURFACE OF PIPES Russian patent published in 2010 - IPC B08B9/43 

FIELD: machine building.

SUBSTANCE: invention refers to systems facilitating inspection and diagnosis of internal surface of pipes, particularly pipes of big diametre and complex shape and can be implemented at cleaning and repair of pipes of various purposes at their operation. The facility consists of a travelling inside pipe carriage with diagnosis and inspection equipment mounted thereon, of a driving component of the carriage made in form of hose of high pressure with its one end connected to the carriage, while with its another end secured on a driven drum and connected with a source of compressed air under high pressure. A sturdy flexible rod with washers threaded on it is installed inside the hose; one end of the rod is located from the side of the carriage and can travel free, while another end is attached to the said drum. The facility is equipped with an air reducer ensuring drop of pressure from the hose before its supply into carriage motion control equipment.

EFFECT: facilitating explosion safety, reliability and convenience in operation, also simplicity of design.

6 cl, 14 dwg