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Railway wheel ultrasonic testing apparatus

  • US 20120325005A1
  • Filed: 06/23/2011
  • Published: 12/27/2012
  • Est. Priority Date: 06/23/2011
  • Status: Active Grant
First Claim
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1. An ultrasonic test fixture for a wheel, comprising:

  • a plurality of drive rollers for supporting the wheel, wherein at least one of the plurality of drive rollers comprises;

    a first annular section affixed around a drive shaft;

    a second annular section slidingly engaged around the drive shaft, the second annular section adjacent to the first annular section to form an indentation between the first annular section and the second annular section for engaging the wheel;

    a fastener connecting the first annular section to the second annular section, wherein the second annular section is axially displaceable relative to the first annular section; and

    a resilient member to urge the second annular section toward the first annular section; and

    a drive motor connected to the drive shaft to rotate the at least one of the plurality of drive rollers.

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