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Outrigger pad monitoring system

  • US 9,365,398 B2
  • Filed: 03/14/2013
  • Issued: 06/14/2016
  • Est. Priority Date: 10/31/2012
  • Status: Active Grant
First Claim
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1. A crane having an outrigger pad monitoring system, the crane comprising:

  • a) a crane body;

    b) a plurality of outrigger assemblies attached to the crane body, each of the plurality of outrigger assemblies comprising;

    i) an outrigger body coupled to the crane body;

    ii) an outrigger jack coupled to the outrigger body and configured to selectively extend and retract relative to the outrigger body;

    iii) an outrigger pad coupled to the outrigger jack; and

    iv) a sensor adapted to measure a reaction force on the outrigger pad caused by an interaction between a base surface and the outrigger pad; and

    c) a crane control system communicatively coupled to each sensor of the plurality of outrigger assemblies, the crane control system comprising;

    i) a processor;

    ii) a user input device; and

    iii) a non-transitory computer readable storage memory having instructions stored thereon, that, when executed by the processor, cause the crane control system to perform a setup function including;

    A) receive a user input through the user input device;

    B) cause a first outrigger jack to extend towards the base surface;

    C) receive from a first of said sensors a signal representative of a first reaction force acting on a first of said outrigger pads; and

    D) determine a first outrigger pad status for the first outrigger pad based on the first reaction force.

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