Track Guiding System V-Shaped Prong Connections
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Solution Overview
Problem
Existing track guiding systems for top drives in drilling operations face issues with non-parallelism of track plates leading to jamming and deformation, affecting the stability and vertical alignment of the top drive, which can result in poor-quality boreholes and reduced longevity of the guiding system.
Innovation Solution
A track guiding system comprising overlapping linear plate segments with V-shaped prong and receptor connections, and compound edge rollers that can adapt to profile discontinuities, allowing for continuous smooth movement and active vertical alignment of the top drive.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional welded plate track segments are used, then the track structure is simple and easy to manufacture, but the non-parallelism of plates causes rollers to jam and deform the tracks, reducing reliability
Solution Approach 1:
The track is divided into multiple linear track segments that can be assembled together to form the complete vertical track. Each segment contains guide surfaces that work with corresponding rollers, allowing the track to be manufactured in manageable sections while maintaining parallelism and preventing roller jamming throughout the entire track length
Solution Approach 2:
The track segments incorporate specific geometric features at their ends (such as tapered guide surfaces or complementary shaping) that ensure proper alignment and parallelism when assembled. This local quality control at the segment interfaces prevents the non-parallelism problems that occur with traditional welded plate construction
2Length of stationary object
If multiple beam lengths are stringed together to form sufficient track length, then the track can cover the required vertical distance, but the non-smooth connections between beams cause rollers to jump and reduce stability
Solution Approach 1:
The track segments are pre-assembled and pre-aligned to ensure smooth transitions at the connections before the rollers encounter them. The geometric features of the segment ends are designed in advance to guide the rollers smoothly from one segment to the next, preventing jumps and maintaining stability throughout the entire track length
Solution Approach 2:
The connections between track segments incorporate curved or tapered transition surfaces rather than sharp angular joints. This curvature allows the rollers to smoothly transition from one segment to the next, eliminating the jumping and instability that occur at non-smooth connections
3Measurement precision
If fixed-adjustment mechanisms are used to align the top drive vertically, then the alignment can be adjusted periodically, but the tracks deform during operation and the alignment becomes invalid at different positions
Solution Approach 1:
The track segments are designed with geometric features that dynamically maintain parallelism and alignment throughout the entire length of the track as the top drive moves. This dynamic geometric constraint ensures that the vertical alignment remains valid at all positions along the track, not just at the position where it was initially adjusted
Solution Approach 2:
The track geometry itself provides continuous feedback to the top drive positioning system through the parallel guide surfaces. As the top drive moves to different positions, the consistent geometric relationship between track segments ensures that the alignment information remains valid, eliminating the need for frequent re-adjustment
4Speed
If rollers are used to travel along the track, then the top drive can move vertically, but the non-parallel plates cause rollers to wobble, slide instead of roll, and deform the track
Solution Approach 1:
The track is segmented into precisely manufactured sections with controlled geometric features at the interfaces. This segmentation allows for better control of parallelism in each segment while the overall assembly maintains consistent guide surfaces that prevent roller deformation and ensure smooth rolling motion throughout the entire track length
Solution Approach 2:
The geometric parameters of the track segments (such as the angle and curvature of the guide surfaces at the ends) are specifically designed to compensate for assembly variations and maintain parallelism. This parameter control ensures that rollers maintain proper contact with the guide surfaces, preventing wobbling and sliding while enabling smooth vertical movement
Data Source
AI summary
A track guiding system includes a first track segment having a first end and a second end, the first track segment including a first linear beam segment operatively coupled to a first linear plate segment. The track guiding system further includes and a second track segment having a first end and a second end, the second track segment including a second linear beam segment operatively coupled to a second linear plate segment, wherein the first end of the first track segment is adapted to be operatively coupled to the second end of the second track segment, a first end of the first linear beam segment proximate the first end of the first track segment being adapted to overlap a second end of the second linear plate segment proximate the second end of said second track segment when the second track segment is operatively coupled to the first track segment.