Development Of A Mobile Manipulator To Reduce Lifting Accidents
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Development of a Mobile Manipulator to Reduce Lifting Accidents
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Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 2 |
Release | : 2006 |
Genre | : Mine safety |
ISBN | : OCLC:220880965 |
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Objective: Develop a mobile manipulator that one person can use to lift and maneuver 50- to 600-pound loads. It can be used in maintenance shops and mines to reduce lifting accidents. Background: Lifting heavy items is one of the leading causes of injury in the workplace. Mine Safety and Health Administration statistics showed that, in 2004, back injuries accounted for over 20% of all injuries (1,699 cases) and resulted in 110,000 lost days of work. Forty-one percent of those injuries resulted from materials-handling or maintenance activities. In addition to back injuries, lifting injuries include hernias, ruptures, sprains, and strains resulting from losing control of the item being lifted. Factors associated with accidents are weight of the item being lifted, awkward postures, inadequate handholds, and the working environment itself. High accident rates were noted when lifting items that ranged from 50 to 600 pounds, particularly in tight working quarters where maneuverability was critical. Research indicated that a mobile lifting arm would eliminate many lifting accidents in environments where other lifting devices (fork lifts, overhead cranes, mobile A-frames) would not be practical. NIOSH has built a first-generation mobile manipulator unit designed to be used on hard, level floors such as in a shop. The complexity of motion, number of moving parts, compact design, and design constraints of the manipulator required advanced computer-aided design work. As a result of the design work, thirty-eight claims are included in the patent applications. NIOSH will be conducting field trails and working with manufacturers to put the manipulator into industrial use. Operating the Mobile Manipulator: The mobile manipulator is a self-propelled, battery-powered lifting arm mounted on a central turret that allows full rotation. To operate, a worker trams the unit into position for the lifting task and deploys stab-jacks for leveling and stabilizing. The linkage system is designed to allow the operator to guide heavy loads precisely; for example, sliding a 200-pound gear assembly onto a shaft where alignment and damage to equipment are critical considerations. Although the operator needs only 10 pounds of pressure to lift the load, the momentum of moving the load can create a need for braking, and so the operator has hand brakes to stop arm and turret movement immediately. The ease of tramming and steering, along with the small size of the manipulator, allows operators to stow the unit conveniently close by without interfering with ongoing operations."--NIOSHTIC-2.
Federal Register
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 356 |
Release | : 2006-08 |
Genre | : Administrative law |
ISBN | : CORNELL:31924109299903 |
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Machine Design
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 454 |
Release | : 2008 |
Genre | : Engineering |
ISBN | : UCSD:31822036052355 |
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Decommissioning of Nuclear Power Plants
Author | : K H Schaller,B Huber |
Publsiher | : Springer Science & Business Media |
Total Pages | : 459 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 9789400956285 |
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Nuclear Science Abstracts
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1126 |
Release | : 1964 |
Genre | : Nuclear energy |
ISBN | : UOM:39015026176357 |
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Handbook of Modern Hospital Safety
Author | : William Charney |
Publsiher | : CRC Press |
Total Pages | : 1252 |
Release | : 2009-07-28 |
Genre | : Technology & Engineering |
ISBN | : 9781420047868 |
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It is ironic that those whose job it is to save lives often find themselves injured in the course of performing their duties. In fact, according to the Bureau of Labor Statistics, healthcare workers have higher injury rates than agriculture workers, miners, and construction workers. The Handbook of Modern Hospital Safety, Second Edition covers expo
Nuclear Science Abstracts
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 2300 |
Release | : 1964 |
Genre | : Nuclear energy |
ISBN | : RUTGERS:39030044057398 |
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Rehabilitation R D Progress Reports
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 540 |
Release | : 1992 |
Genre | : Disabled veterans |
ISBN | : MINN:31951P00451937T |
Download Rehabilitation R D Progress Reports Book in PDF, Epub and Kindle