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Gauge restraint measurement system

  • US 7,007,561 B1
  • Filed: 12/31/2003
  • Issued: 03/07/2006
  • Est. Priority Date: 12/31/2002
  • Status: Active Grant
First Claim
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1. A railway track strength measurement system comprising:

  • an axle assembly having a first wheel and a second wheel, the wheels positioned to ride on railway track;

    a first axle half connected to the first wheel and a second axle half connected to the second wheel;

    the first and second axle halves being interconnected by an expansion device, the expansion device adapted to increase and decrease the distance between the first and second wheels and places a lateral load on the axle halves and track; and

    the axle halves each including force sensors adapted to measure changes in lateral forces in the axle halves;

    the compression device includes a hydraulic ram connected to the first axle half at a first end and to the second axle half at a second end;

    the first and second axle halves are fixed and do not rotate with respect to the first and second wheels;

    said first axle half includes a load measurement region;

    the load measurement region is formed to define two opposed vertical recesses, with a solid portion positioned between the two recesses;

    wherein the solid portion includes two apertures adapted to receive load cells.

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