Device for clearing deposits from and de-rusting inside of pipes of large nominal width has carriage movable in pipeline and equipped with jet head and with running wheels lying on inner wall of pipe

摘要

The pipe cleaning device has a carriage(2) movable in the pipeline(1), arranged in star form, and with running wheels(3) lying on the inner wall of the pipe. A steplessly controllable drive(4) is provided for at least one wheel. A rotational jet head(5) is installed on the carriage and to it is connected a feed hose(6) for the supply of jet medium. The feed hose is retained on an extension arm(7) projecting in the direction of travel of the carriage.