New Technology for Hoist Conveyance Monitoring and Analysis

Details

• Personal Author:
  Beus, Michael J. ; Ruest M
• Description:
  Many mines in Canada, the United States and South Africa are reaching the hoisting limit. Very little payload will be possible without compromising safety due to the excessive weight. It has been suggested (DeLorme, 2000) that one of the most attractive concepts to enable deeper hoisting is to reduce the allowable factor of safety in the wire rope. Researchers at the Spokane Research Lab are developing new technology to improve hoisting safety and productivity by providing new monitoring and analytical tools. A Shaft Conveyance Monitoring System (SCMS) has been developed which determines hoist rope end load, true conveyance position and acceleration, and rope safety factor, as well as other hoist operating parameters. This information is transmitted to the hoist operator display 20 times per second. Recent field measurements on 45 mm (1¾ in.) diameter hoist rope indicate that dynamic forces during loading of a 9000 kg (10 ton) skip could exceed the safety factor of the rope. To improve on the current understanding of the mechanical behaviour of hoist ropes, and to help interpret the results from field-testing of the SCMS, a new approach to computer modelling of stranded wire rope is also being developed. Particle Flow Code, PFC3D (Itasca, 1999), is used to simulate the structural behaviour of wire rope and the interaction between individual strands when the rope is subjected to static and dynamic end loading. Details of the SCMS, field results from the measured rope loads, and the results of numerical modelling on the wire rope will be discussed. [Description provided by NIOSH]
• Subjects:
  Accident Prevention Accidents Mining Occupational Health Safety Safety Management
• Keywords:
  Accident Prevention Hoisting Equipment Mining Equipment Mining Industry Monitoring Systems Safety Measures Safety Monitoring Safety Practices
• Series:
  Mining Publications
• ISSN:
  0317-0926
• Document Type:
  Text
• Genre:
  Journal Article
• Place as Subject:
  Minnesota ; OSHA Region 10 ; OSHA Region 5 ; Washington
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  SRL - Spokane Research Laboratory
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  78-83
• Volume:
  95
• Issue:
  1065
• NIOSHTIC Number:
  nn:20023472
• Citation:
  CIM Bulletin 2002 Oct; 95(1065):78-83
• Federal Fiscal Year:
  2003
• Peer Reviewed:
  True
• Source Full Name:
  The Canadian Mining and Metallurgical Bulletin
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:1753fe35b68ee55d3f1749d8860b5fff01d14ae0d0e5cbe82531bbb46fb1ad2791e315d409eb13d29a6209bfe0d2e88343d219e598a066cea97fc05c508ba46e
• Download URL:
  https://stacks.cdc.gov/view/cdc/220699/cdc_220699_DS1.pdf
• File Type:
  [PDF - 227.20 KB ]