Compact Wire Saw Frame for Safe Pipe Cutting in Tight Spaces
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Solution Overview
Problem
Conventional wire saws are bulky, unsafe to operate, and limited in environmental usage due to their size, making them unsuitable for various cutting applications, especially in tight spaces like subterranean environments.
Innovation Solution
A compact cutting apparatus with a feed tower assembly, frame assembly, and wire tensioning system that allows for safe operation and versatility in cutting various-sized objects, including pipes, by enabling the cutting member to be adjusted in length and tensioned effectively for efficient cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wire saws are used for cutting, then cutting function is achieved, but the apparatus is bulky and unsafe to operate
Solution Approach 1:
The cutting apparatus is designed with nested components where the cutting member can be stored within the frame assembly when not in use. The feed tower assembly and frame assembly can be collapsed or nested together, allowing the entire apparatus to be compacted to a small size for safe transport and storage, while expanding to full operational size when needed for cutting operations.
Solution Approach 2:
The apparatus incorporates movable and adjustable components including the feed tower assembly that can move along the pipe, and the frame assembly that can be adjusted to different configurations. This dynamic design allows the apparatus to adapt to different pipe sizes and cutting positions, improving safety by allowing the operator to maintain a safer distance while still achieving effective cutting.
2Adaptability or versatility
If conventional wire saws are used for cutting, then cutting function is achieved, but the apparatus consumes large spaces when not in use
Solution Approach 1:
The apparatus utilizes nested design where the cutting member is stored within the frame assembly, and the feed tower assembly can be collapsed into or alongside the frame assembly. This nesting allows the apparatus to be compacted to a minimal storage footprint while maintaining full functionality when deployed, enabling use in environments with limited storage space.
Solution Approach 2:
The cutting apparatus is divided into separable components including the feed tower assembly, frame assembly, and cutting member that can be independently stored or transported. This segmentation allows parts to be stored in separate locations or reconfigured based on storage availability, increasing adaptability to different environmental constraints.
3Adaptability or versatility
If conventional wire saws are used for cutting, then cutting function is achieved, but the apparatus is limited in the environments in which they may be operated
Solution Approach 1:
The cutting apparatus is designed with universal features including the feed tower assembly that can accommodate different pipe diameters through adjustment mechanisms, and the frame assembly that can be configured for various cutting positions. This multi-functionality allows a single apparatus design to operate in diverse environments including tight subterranean spaces, while the modular nature keeps the overall structure manageable.
4Adaptability or versatility
If the cutting member is made adjustable in length, then versatility in cutting various-sized objects is improved, but device complexity increases
Solution Approach 1:
The cutting member is designed with adjustable length capability through a tensioning system that allows dynamic reconfiguration. The tensioning system includes mechanisms to tighten and secure the cutting member at different lengths, enabling the apparatus to cut various-sized objects while maintaining cutting effectiveness. The adjustability is integrated into the existing frame and feed tower structures, minimizing additional complexity.
Data Source
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AI summary
A cutting apparatus and the method of operating same is provided. The apparatus includes a feed tower assembly (22) configured to be attached to an object and a frame assembly (24) movably attached thereto. In an embodiment, the frame assembly (24) has arm assemblies (60) thereon which accept a cutting member (26) and at least one arm assembly (60) can be pivoted relative to the other arm assembly (60) and relative to the feed tower assembly (22). One arm assembly (60) can further be moved relative to the other arm assembly (60) and relative to the feed tower assembly (22) in a vertical direction. In an embodiment, a liquid spray system is provided for cooling components of the cutting apparatus.