Electronic Unit Positioning on Drill String Front-End
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Solution Overview
Problem
Existing ground drilling devices face challenges in efficiently and cost-effectively orienting the front-end section of a drill string, particularly in target positioning, due to the expense and complexity of using sounding rods with sounding optics.
Innovation Solution
An electronic unit is positioned on the drill string to determine and display parameters such as location, height, and direction, using sensors and a user-friendly interface, allowing for orientation without the need for expensive targeting equipment, and enabling wireless entry of target positions for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sounding rods with sounding optics are used for orientation, then positioning accuracy is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts the essential function of orientation from complex sounding rods and optics, isolating only the necessary electronic positioning components. The electronic unit with sensors and processing capability is separated from the drill string, mounted independently on the front-end section, eliminating the need for integrated sounding equipment while maintaining positioning accuracy.
Solution Approach 2:
The patent replaces mechanical sounding rods and optical targeting systems with an electronic positioning system. The electronic unit uses electronic sensors, processors, and display interfaces instead of mechanical measurement tools, substituting complex mechanical-optical systems with simpler electronic components that achieve the same orientation function.
2Measurement precision
If sounding optics are used for orientation, then positioning capability is improved, but ease of operation deteriorates due to training requirements
Solution Approach 1:
The electronic unit provides self-service functionality with automatic target position entry, automated calculation of drill string orientation, and automatic display of positioning information. The system performs measurements and computations autonomously without requiring operator intervention for complex procedures, making it easier to operate while maintaining high positioning capability.
Solution Approach 2:
The patent implements feedback through the display interface that continuously shows the current position, target position, and orientation information. The system provides real-time feedback to the operator about the drill string's orientation status and required adjustments, eliminating the need for trained interpretation of optical sights and making operation simpler.
3Measurement precision
If expensive targeting equipment is used, then orientation precision is improved, but cost increases
Solution Approach 1:
The patent employs inexpensive electronic components such as standard sensors, off-the-shelf electronic units, and common display technologies instead of expensive specialized targeting equipment. These affordable electronic components achieve the required orientation precision while significantly reducing the overall system cost.
Solution Approach 2:
The electronic unit creates an electronic copy or representation of the positioning and orientation data that would traditionally require expensive optical equipment. The system digitally replicates the measurement and display functions using affordable electronic components, achieving the same precision at lower cost.
Data Source
AI summary
A device for the positioning of an electronic unit on a front-end section of a drill string of a ground drilling device includes a seat and a bearing surface. The electronic unit is designed to determine at least one of location, height, position and direction. The seat is configured for mounting or placement of the electronic unit onto the device. The bearing surface is adapted to be mounted to, or placed on, the outer contour of the front-end section to provide a predetermined positioning or reference between the seat and the front-end section of the drill string.