Pole Safety Assembly Lifeline Positioning
Solution Overview
Problem
Traditional fall protection methods for workers accessing tall structures like utility poles are inefficient and pose a risk due to the need for frequent disconnection and reconnection around obstructions, requiring specialized skills and equipment.
Innovation Solution
A pole safety assembly comprising a U-shaped tubular member with internal passages and a positioning member, allowing for easy placement of a lifeline on structures, using a rope and belay system for secure climbing, with adaptable configurations to fit various structural shapes and materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fall protection methods (belts, ropes, knots) are used, then workers can be protected from falling, but the system requires frequent disconnection and reconnection around obstructions which creates fall risk and requires specialized skills
Solution Approach 1:
The invention extracts the complex knot-tying and reconnection operations from the traditional system by introducing a pre-formed loop device that can be easily attached and detached from obstructions. The loop device eliminates the need for workers to perform specialized knot-tying operations, allowing simple attachment to any obstruction in the path while maintaining fall protection reliability.
Solution Approach 2:
The safety system is segmented into separate functional components: a lifeline, a loop device with carabiner, and obstruction attachments. This segmentation allows the loop device to be independently attached and detached around obstructions without requiring the worker to disconnect and reconnect the entire safety system, thereby maintaining protection while simplifying operation.
2Reliability
If traditional belts and ropes are used, then fall protection is provided, but the system requires specialized equipment and abundance of skill and knowledge to inspect and use safely
Solution Approach 1:
The invention extracts the complex inspection and skill requirements from the traditional system by replacing knots and specialized rigging with a pre-formed loop device featuring a carabiner. This device can be visually inspected for simple defects and operated without specialized knowledge, while maintaining the reliability of fall protection through its engineered design.
Solution Approach 2:
The invention changes the operational parameters from complex knot-tying operations to simple carabiner attachment and detachment. The loop device is designed with specific geometric parameters (loop size, carabiner gate strength, material properties) that ensure reliable operation without requiring the worker to possess specialized skills or knowledge about rope handling and knot security.
3Reliability
If a lifeline is placed on structures, then fall protection is achieved, but traditional methods require frequent reconnection around every obstruction which creates fall risk
Solution Approach 1:
The system segments the safety function into a permanent lifeline and movable loop attachments. The lifeline remains continuously in place while loop devices are attached and detached around obstructions. This allows the primary fall protection to remain continuous while only the attachment points are temporarily modified, eliminating the need for complete reconnection and maintaining protection throughout the process.
Solution Approach 2:
The loop devices are pre-formed with carabiners attached, eliminating the need for on-site knot-tying or complex assembly. Workers can simply attach the pre-prepared loop device to obstructions as they encounter them, significantly reducing the time required for each attachment while maintaining the reliability of the fall protection system.
Data Source
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AI summary
A safety assembly that provides a lifeline for utility poles and other tall structures is provided. The safety assembly includes a tubular member and a positioning member. The tubular member has first and second openings to a passage. The passage is configured to receive a rope. The positioning member has a first end and a second end. The first end of the positioning member is configured to be received in at least one of the first and second openings of the tubular member. The second end of the positioning member is configured to be coupled to a reaching member. With the use of the positioning member and the reaching member, the tubular member is positioned to engage the tall structure and the rope passing through the internal passage is used as a lifeline.