Method and apparatus for cleaning tubes in a rotary path

A cleaning device comprising:

• a central first axis;
• a gear assembly driven by a first motor;
• a support beam operatively connected to the gear assembly so as to be rotatable about the central first axis in response to the first motor driving the gear assembly;
• and
• a first carriage assembly carried by the support beam adapted to be positioned above holes formed in an end plate of a heat exchanger or other device forming a plurality of pipes or tubes that periodically need cleaned;
• and
• a slip clutch intermediate the gear assembly and the support beam and adapted to slip when an overload of torque occurs to protect components of a drive train;
• wherein the slip clutch includes a sprocket sandwiched by pressure plates and a bushing extending therethrough.

A cleaning device comprising:

• a central first axis;
• a gear assembly driven by a first motor;
• a support beam operatively connected to the gear assembly so as to be rotatable about the central first axis in response to the first motor driving the gear assembly;
• and
• a first carriage assembly carried by the support beam adapted to be positioned above holes formed in an end plate of a heat exchanger or other device forming a plurality of pipes or tubes that periodically need cleaned;
• a second motor offset from the support beam and configured to drive a screw provided on the support beam via a chain and sprocket assembly;
• a drive axis of the second motor being parallel to a second axis about which the screw rotates;
• and
• wherein the second axis and the drive axis are perpendicular to the first axis.