DRIVE ASSEMBLY FOR PROBE CARRIER

摘要

A drive assembly for a proe be probe carrier, such as is used for inspection and maintenance of a heat exchanger in a steamdriven electric power generation plant, includes a motor and speed reducer and a drive wheel to push the probe carrier through the tubes of the heat exchanger. The carrier may be of nylon tubing, and the drive wheel includes radially mounted wires with the tips of the wires defining a surface for engaging the tubing.