Height Safety Link Blocker for Quick Secure Lifeline Connection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing load transfer devices for height safety equipment are cumbersome and require complex attachment methods, leading to increased component failure and maintenance needs.
Innovation Solution
A load transfer device with a link blocker that toggles between positions to facilitate easy attachment and detachment to an elongated support member, using a retention member and rotary members with minimal parts for secure connection and minimal manual operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex attachment method is used to ensure secure connection, then reliability is improved, but device complexity increases and ease of operation deteriorates
Solution Approach 1:
The link blocker is designed to dynamically change position between a first position (allowing connection/disconnection) and a second position (preventing connection and blocking access to connecting eye). This dynamic mechanism allows the device to transition between operational states based on operational needs, simplifying the attachment method while maintaining secure connection through the rotational locking action of the link blocker in the second position.
Solution Approach 2:
The link blocker serves as an intermediary element between the load transfer device and the elongated support member. It mediates the connection process by controlling access to the connecting eye and enabling secure attachment through its rotational interaction with the support member, thereby simplifying the overall attachment method while ensuring reliability.
2Ease of operation
If multiple components are used to facilitate easy attachment and detachment, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The link blocker combines multiple functions into a single component: it controls access to the connecting eye, enables secure connection through rotational locking, and facilitates easy detachment when rotated to the first position. This merging of functions reduces the number of parts needed while maintaining ease of operation for attachment and detachment.
Solution Approach 2:
The link blocker is designed as a multi-functional element that performs connection control, security locking, and detachment facilitation within a single component. This universality allows the device to achieve easy operation without requiring multiple separate parts, as the link blocker handles all these operations through its rotational movement.
3Reliability
If a link blocker is added to prevent unauthorized access, then reliability is improved, but device complexity increases
Solution Approach 1:
The link blocker provides reliable connection security through its dynamic rotational capability between two positions: the second position blocks access to the connecting eye and prevents unauthorized connection, while the first position allows controlled detachment. This dynamic design achieves security without requiring complex locking mechanisms, as the rotational movement itself provides the security function.
Data Source
AI summary
A load transfer device includes first and second rotary members which are configured to receive an elongated support member. A retention member extends between the rotary members which retains the elongated support member between the rotary members. A link body is located between the rotary members and includes a connecting eye. A link blocker is coupled to the link body and toggles between a first and second position. In the first position, the link blocker allows the load transfer device to be connected to or disconnected from the elongated support member and prevents access to the connecting eye. In the second position. the link blocker prevents the load transfer device from being connected to or disconnected from the elongated support element and allows access to the connecting eye. The link blocker transitions from the second position to the first position when a force is applied to the link blocker.