INSTRUMENT FOR PIPE LINE INSPECTION Russian patent published in 1996 - IPC

FIELD: pipe line engineering. SUBSTANCE: instrument has pivotally interconnected carriers. The carriers are provided with devices for moving and stabilizing the instrument made up as a flexible part. The device for preventing the carrier against rotation is interposed between the part and carrier. One of the carriers is provided with wheel pickups that roll over the inner surface of a pipe line. The other carrier is provided with regenerators that are set in operation by the wheels which also roll over the inner side. The drives of the wheels and pickups are provided with a stabilizing device. The pickups and wheels of the drives are mounted in the planes rotated with respect to the horizontal plane. Measuring and recording equipment is mounted inside the carrier.. EFFECT: enhanced reliability. 11 cl, 8 dwg