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Determining of the amount of material delivered each operational cycle of a shovel loader

  • US 4,809,794 A
  • Filed: 02/04/1987
  • Issued: 03/07/1989
  • Est. Priority Date: 06/07/1985
  • Status: Expired due to Fees
First Claim
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1. A method of measuring the quantity of material delivered per cycle by a shovel loader having a bucket to hold the material to be delivered, the bucket being movable between loaded and unloading positions, said bucket being supported from a structure during movement between said positions, said method comprising determining the position of the bucket in respect to a selected fixed location on said structure in the form of a processable position signal at a plurality of intervals during the movement of the bucket between said loaded and unloading positions, determining the load at a selected fixed location within said structure where the load is related to the mass and position of the bucket and bucket contents in the form of a processable load signal at each said interval, processing said position and load signals for a plurality of interval determinations to provide a number of mass determinations of the bucket and bucket contents from the interval determinations made during said movement, and averaging said mass determinations to provide a final determination of the bucket and bucket contents.

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