Drive Train Backlash Measurement for Predictive Wear Detection
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Solution Overview
Problem
Well construction equipment, particularly drive trains, experience wear and degradation due to high mechanical power usage, leading to late detection of failures that can result in severe damage and efficiency interruptions during drilling operations.
Innovation Solution
A monitoring system that includes sensors and a processing device to measure operational parameters, such as backlash, load, and time, to determine the health of the drive train by calculating differences in input and output measurements, allowing for early detection of wear and optimization of maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the drive train operates under high mechanical power to perform well construction operations, then productivity is improved, but wear and degradation of the drive train increases
Solution Approach 1:
The system performs preliminary detection of wear and degradation conditions by continuously monitoring operational parameters (vibration, temperature, load) before severe damage occurs. This allows maintenance to be scheduled proactively, preventing catastrophic failures while maintaining high productivity during normal operation.
Solution Approach 2:
The system implements continuous feedback monitoring of drive train health parameters during operation. Sensors detect changes in vibration patterns, temperature, and load characteristics, providing real-time information about wear progression. This feedback enables dynamic adjustment of operational parameters or early maintenance intervention before reliability deteriorates significantly.
2Reliability
If the drive train is monitored continuously to detect wear early, then reliability is improved, but device complexity increases
Solution Approach 1:
The monitoring system is designed to serve multiple functions: detecting wear, monitoring operational parameters, predicting failures, and providing maintenance scheduling information. By consolidating these functions into a single integrated system, the patent avoids the complexity of multiple separate monitoring devices while achieving comprehensive reliability improvement.
Solution Approach 2:
The system uses the drive train's own operational characteristics (vibration, temperature, load patterns) as the monitoring medium, eliminating the need for external complex testing equipment. The drive train essentially monitors itself through sensors that detect its own operational state, reducing the complexity of external monitoring infrastructure.
Data Source
AI summary
Apparatus and methods for measuring backlash of a drive train of an equipment unit. The drive train may comprise an input member operatively connected with an actuator and an output member operatively connected with a work portion of the equipment unit. An example apparatus may include a sensor operable to facilitate operational measurements indicative of an operational parameter associated with the drive train, and a processing device operable to cause the actuator to move the input member until the output member moves, record the operational measurements while the actuator moves the input member, and determine a backlash of the drive train by determining a difference between the operational measurements when the input member starts to move and the operational measurements when the output member starts to move.