Flexible Roof Drill for Low Coal

Details

• Personal Author:
  Eakin RN ; Finney JL ; Rich DE ; Wall TJ
• Description:
  The IRRI Flexible Roof Drill for low coal, referred to as the Rod Changer Drill, evolved as a result of the Phase I and II efforts on this contract in which several design concepts were evaluated. The Low Coal Drill program was initiated to provide a roof drill which, in conjunction with the Bendix Roof Bolt Inserter, would be capable of operating in coal seams as low as 30 inches. This drill would have the ability to drill and install bolts of up to eight feet in length, thus retaining productivity and increasing operator safety by removing the operator from the immediate area. The IRRI Rod Changer Drill performs the drilling of longer than seam height roof drills by automatically coupling up to 6 short drill steel sections to form the drill string. This concept will permit the operator to perform drilling from a remote location, although bolt insertion requires his presence in the immediate area. The underground test evaluation was conducted at Bethlehem Nicholas Mine No. 81 located in Drennen, West Virginia. The field trial was completed in two and one-half months in which the vehicle performed adequately in all areas. The test demonstrated the ability of the Rod Changer Drill to successfully function in an underground environment without major malfunctions. The test also revealed the necessity of further refinement of the drill to improve productivity and reliability. [Description provided by NIOSH]
• Subjects:
  Coal Coal Mining Mining Occupational Health Safety
• Keywords:
  Coal Miners Coal Mining Coal Seams Design Drilling Equipment Experimental Data Installation Mining Equipment Performance Testing Roof Bolts Thickness Underground Mining

  More +
• Series:
  Mining Publications
• Document Type:
  Text
• Genre:
  Conference Publications ; Final Contract Report
• Place as Subject:
  District of Columbia ; New Jersey ; OSHA Region 10 ; OSHA Region 2 ; OSHA Region 3 ; OSHA Region 4 ; Tennessee ; Washington
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  SRC - Spokane Research Center
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-272
• NIOSHTIC Number:
  nn:10003653
• NTIS Accession Number:
  FE-9090-1
• Citation:
  Spokane, WA: U.S. Department of the Interior, Bureau of Mines, Contract H0242063, 1979 Jul; :1-272
• Federal Fiscal Year:
  1979
• Performing Organization:
  Ingersoll-Rand Research, Inc.
• Peer Reviewed:
  False
• Source Full Name:
  Spokane, WA: U.S. Department of the Interior, Bureau of Mines, Contract H0242063
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:79e278e0157eca71998e887ddd1539d702f15c47daa1dc73c739e3220d194bb7106fa2eca3736c11c21a0227a6fb3228479bffe2628af5321a9d8d19d3024f6a
• Download URL:
  https://stacks.cdc.gov/view/cdc/219501/cdc_219501_DS1.pdf
• File Type:
  [PDF - 8.20 MB ]