External Sensor Monitoring for Ground-Engaging Product Wear

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Solution Overview

Problem

Existing systems for monitoring ground-engaging products on earth working equipment face challenges in accurately detecting wear, presence, and separation, leading to reduced efficiency and increased wear on equipment due to heavy loading and abrasive conditions, which can result in premature wear and damage.

Innovation Solution

A monitoring system comprising sensors and wireless communication devices placed externally on ground-engaging products, secured to locks or lifting eyes, to detect part identification, presence, condition, and usage, providing real-time data and alerts to operators to prevent unnecessary wear and equipment damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sensors are placed inside the mounting cavity of ground-engaging products, then the products can be monitored for wear and condition, but the monitoring system becomes vulnerable to damage from heavy loading and abrasive conditions

Engineering Contradiction:
Improvemonitoring reliabilityVSAvoiddamage from heavy loading and abrasive conditions
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The monitoring device is extracted from the vulnerable mounting cavity environment and relocated to the lock or lifting eye, which are external components that protect the monitoring device from direct exposure to heavy loading and abrasive conditions while still enabling effective monitoring of the ground-engaging product

Inventive Principle:
Principle #2Taking out (Extraction)

2Measurement precision

If existing monitoring systems are used to detect wear and presence, then part monitoring is enabled, but the systems fail to provide accurate detection leading to reduced equipment efficiency

Engineering Contradiction:
Improvedetection accuracyVSAvoidequipment efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The monitoring device provides continuous real-time feedback about the ground-engaging product's wear, presence, and condition to the operator, enabling timely decisions to maintain or replace products before they fail, thus maintaining high equipment efficiency and productivity

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system enables preliminary detection of wear and condition issues before they lead to product failure or separation, allowing operators to take preventive action to maintain equipment efficiency

Inventive Principle:
Principle #10Preliminary action

3Loss of time

If ground-engaging products are not monitored accurately, then operators cannot detect separation timely, but this leads to damage to downstream processing equipment and increased downtime

Engineering Contradiction:
ImprovedowntimeVSAvoiddamage to downstream processing equipment
Core Design Contradiction:
Loss of timeVSObject-affected harmful factors

Solution Approach 1:

The monitoring device provides immediate feedback when a ground-engaging product becomes separated or fails, enabling operators to respond quickly and prevent damage to downstream equipment while minimizing downtime

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11851848B2Monitoring ground-engaging products for earth working equipment
Publication Date: 2023.12.26 ESCO GROUP LLC
  • US11851848B2 patent drawing
  • US11851848B2 patent drawing
  • US11851848B2 patent drawing

AI summary

A product and system for identifying and monitoring a characteristic including the part ID, presence, condition, usage and/or performance of ground-engaging products used on various kinds of earth working equipment.