Logan Clutch Used in a Robot for an Oil Pipeline

The Challengelogan clutch used in robot for an oil pipeline

To develop a unit that can go through an oil pipeline that is capable of doing measurements and still be strong enough to carry a cable through the pipe-line. Besides the pipeline being limited in space there are sometimes small obstructions to past through larger welds and dirt in spots. The customer solution was to build a Robot to do this work. Inside the robot there would be an electrical motor connected to a gearbox. That gearbox is connected to 2 axles. On each axle there are 2 clutches (4 clutches in total) and when there is an obstruction in the line there can be a peak load on one of the axles. A second later the other axle will help and the torque will be divided on each axle The peak load is only for a short moment, usually less than 5 seconds to pass the obstruction. If longer the electrical power drops in half to a safety mode. This means the torque to the clutch or the unit will never be above specifications. The start and stop of the unit is always without load so a clutch that does not slip is required.

The Journey

A clutch needed to be supplied that was small enough to fit in the required envelope and still meet the torque requirements of the customer. A Logan PTO direct drive clutch would be a first choice but due to space limitations there was not a standard unit small enough to fit that would have the required torque. Logan then moved to a P-style clutch. The clutch is self-contained but not enclosed with a separate drive cup. Working with the customer’s envelope Logan was able to add a disc to the standard unit to meet the customer’s size and torque requirements. The clutches were enclosed in the customer’s units and a prototype was supplied. The customer prototyped the units and all the necessary testing was performed. No issues were discovered.

The Solution

 

The developer and the end user were completely satisfied with the performance of the Robot. They again tested the clutch inside the robot for several months. The end result was that Logan received multiple unit orders for the clutches and was able to meet the delivery requirements.

Categories

Most Recent

Logan Direct Drive PTO Clutches Enhance Bow Thruster

By Andrew Logan
April 13, 2018 Category: Direct PTO, Marine

Steering a commercial boat or large yacht can be similar to driving a heavy car with bad brakes. Its difficult to stop, and response to the rudder is slow. This poses no problem in the open sea, but it can be real challenge to maneuver the vessel in a congested marina or when docking. This is where a bow thruster comes in. A bow thruster consists of an open-ended tube that runs through the underwater sections of the hull near the bow and perpendicular to the keel. A propeller mounted at some point inside this tube can rotate in either direction. The helmsman selects the rotational direction and actuates the propeller. As a result, the bow thruster sucks a solid stream of water in one end of the tube and forces it out of the other, pushing the bow sideways and augmenting the rudder to make steering more responsive. Two Props are better than one Traditional single propeller systems generate thrust by accelerating water in the axis of the propeller shaft. However, the water discharged

Logan Bell Housing PTOs Now Available for Jet Stream Waterblasters

By Andrew Logan
April 13, 2018 Category: Bell Housing, Water Blasting, Hydro Excavation / Vacuum / Water Jetting Equipment

Logan self-adjusting, hydraulically actuated Bell Housing Power Take-Off (PTO) clutches have been standard equipment on OEM marine and mobile equipment for over 18 years. Thousands of Logan units are in the field, operating on airport snow blowers, highway and airport marking and runway rubber removal equipment, and more recently trailor mounted waterblasting equipment. Logan vs. Mechanical PTOs The advantage of the Logan Clutch is its ability to engage and disengage the water jetter hydraulically, through push-button activation, eliminating the use of a mechanical hand lever or yoke type clutch engagement system, which dates back to the early 40s. Smooth, Logan softstart engagement eliminates clutch downtime due to over and under adjustment. And since the Logan clutch is self-adjusting, clutch engagement is smooth and consistent after hundreds of hours of use. The mechanical clutch requires the operator to hand engage a clutch, which opens up the opportunity for untrained operators

Logan Self-Adjusting Bell Housing PTO Clutches Now available for Field Retrofit into 2005 and older Oshkosh H-Series Blowers

By Logan Clutch
April 11, 2018 Category: Mobile, Snowblowing

Logan self-adjusting Bell Housing PTO clutches have been standard equipment on all Oshkosh H-Series Blowers manufactured since 2005. Hundreds of Logan units are in the field, operating at a high level of excellence and readiness for major U.S. Airports such as Chicago OHare, Boston Logan, Cleveland-Hopkins, Buffalo Airport, and more. The Logan Advantage: The advantage of the Logan clutch is its ability to engage the snow blower drivetrain hydraulically (for factory blower trucks), and pneumatically (for pre-2005 H-Series field retrofits). This eliminates the use of a mechanical hand lever or yoke type clutch engagement system, which requires frequent mechanical adjustments many times during snow removal conditions, which leads to downtime and inconsistent operation. For example, mechanical clutches that were improperly adjusted, often led to disc wear and eventual clutch failure requiring the truck to be taken out of commission, requiring many hours to pull the blower trucks drivetrain

Free Subscription!

Join our list and receive our email newsletter.

Powered by Virteom