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Mining Publication: Technology News 469 - Sensors Warn of Hazards During Mine Hoisting
Keywords: Mine Safety and Health Administration
Original creation date: February 1998
Authors: MJ Beus, SR Iverson, ET Cullen
Technology News - February 1998
Download PDF Document (1.12 MB)
NIOSHTIC2 Number: 20000577
Spokane, WA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Technology News 469, 1998 Feb :1-2
Mine hoisting is the most critical and potentially the most dangerous operation in underground mining. Many hazards are related to falls of miners and materials, ground instability, and malfunction or lack of safety devices. All have the potential to cause a catastrophic accident. A condition know as 'slack rope' is particularly dangerous, especially if it occurs without the operator's awareness. The most common occurrence of slack rope is in metal or nonmetal mines that have a history of ground control problems near the shaft. Studies of hoist safety features and Mine Safety and Health Administration (MSHA) accident statistics suggests a need to measure wire rope tension, conveyance speed and position, and shaft guide misalignment. The most accurate data are obtained directly from the conveyance. Such data could warn of potentially dangerous situations during hoisting operations, as well as during inspections, maintenance, and lowering of large equipment. Figure 1 shows the concept of monitoring wire rope tension, conveyance speed and position, and shaft guide misalignment. L The most accurate data are obtained directly from the conveyance. Such data could warn of potentially dangerous situations during hoisting operations, as well as during inspections, maintenance, and lowering of large equipment. Figure 1 shows the concept for monitoring wire rope tension, conveyance position, and guide displacement.
Image of publication Technology News 469 - Sensors Warn of Hazards During Mine HoistingTechnology News - February 1998
Download PDF Document (1.12 MB)
NIOSHTIC2 Number: 20000577
Spokane, WA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Technology News 469, 1998 Feb :1-2
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Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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