Crane Operation Evaluation Device Post-Stop Fuel Analysis
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Solution Overview
Problem
Existing crane operation evaluation systems divert the operator's attention between crane work and fuel efficiency displays, leading to inaccurate work and inability to achieve total cost reduction, as they focus solely on improving fuel efficiency without demonstrating work results.
Innovation Solution
A crane operation evaluation device that includes a display device, detectors, and a data control unit to analyze and display fuel consumption and work indices after engine stoppage, allowing operators to review their performance without distracting from active operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If fuel consumption display is provided during crane work, then fuel efficiency can be monitored, but operator concentration is divided and work accuracy deteriorates
Solution Approach 1:
The system calculates and stores fuel consumption data and work data during crane operations, then performs the display action after the engine stops. This preliminary data collection followed by delayed display allows the operator to review fuel efficiency information without being distracted during actual work, resolving the contradiction between monitoring fuel efficiency and maintaining work accuracy.
2Use of energy by moving object
If only fuel efficiency improvement is emphasized, then fuel consumption is reduced, but total cost reduction cannot be achieved due to insufficient work results demonstration
Solution Approach 1:
The system merges fuel consumption data with work data (such as work hours, load moments, and operational parameters) to provide a comprehensive evaluation that considers both fuel efficiency and actual work output. This combined approach ensures that operators are evaluated on total cost effectiveness rather than fuel consumption alone, achieving true cost reduction by balancing fuel savings with productive work output.
Data Source
AI summary
A crane operation evaluation device for evaluating an operation status of an operator of a crane performing a crane work by using drive power of an engine. The crane operation evaluation device includes: a display device provided at a position of the crane that is visible to the operator and serving to display predetermined data; a detector for detecting a state of a given part of the crane; and a data control unit that, after a stopping operation of the engine, derives a first fuel consumption index for analyzing a fuel consumption efficiency of the crane work performed between the most recent start of the engine and the stop of the engine by the stopping operation and a first work index for analyzing content of such crane work, on the basis of detection data of the detector, and causes the display device to display the derived first fuel consumption index and first work index.