Latch Assembly Torque Management Roller Mechanism
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Solution Overview
Problem
Existing torque management systems for power swivels in the oil and gas industry are cumbersome, prone to hardware damage, and pose safety risks due to sliding friction and cable failure, especially during rapid attachment and detachment operations.
Innovation Solution
A latch assembly with a first and second portion, each having a roller housing, latch panel, and handle, allowing for rapid attachment and detachment by moving between a closed and open position, thereby facilitating efficient torque management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional shackle and cable systems are used for torque management, then torque reaction can be managed, but sliding friction causes hardware damage and cable failure
Solution Approach 1:
The patent introduces a roller as an intermediary element between the shackle and the cable. This roller mediates the interaction by converting sliding friction into rolling friction, significantly reducing wear and damage to both the shackle and cable while maintaining torque reaction management functionality
Solution Approach 2:
The patent replaces the direct sliding contact mechanical system with a rolling contact system using rollers. This substitution fundamentally changes the friction mechanism from sliding to rolling, eliminating the harmful sliding friction that caused hardware damage and cable failure
2Ease of operation
If shackle bolts are removed for cable attachment, then cable can be installed, but safety hazards arise from dropped tools or hardware
Solution Approach 1:
The patent employs a self-latching mechanism that automatically secures the cable in place without requiring bolt removal. The system serves itself by using spring-loaded latches that engage automatically when the cable is positioned, eliminating the need for manual bolt handling and associated safety hazards
Solution Approach 2:
The latching mechanism is designed to be engaged before the cable is fully under tension, securing the connection in advance. This preliminary action ensures the cable is firmly attached before operational loads are applied, preventing accidental disengagement while maintaining safety
3Loss of time
If rapid attachment and detachment is implemented, then operational time is reduced, but hardware damage risks increase
Solution Approach 1:
The patent uses spring-loaded latches that dynamically respond to cable insertion. The springs provide automatic engagement force for rapid attachment while controlling the engagement process to prevent impact damage, maintaining hardware integrity during quick operations
Solution Approach 2:
The latching mechanism incorporates cushioning elements that absorb impact energy during rapid attachment. This beforehand cushioning protects hardware from damage that could occur during quick connection operations, allowing rapid attachment without compromising hardware integrity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The latch assembly enables quick and safe attachment/detachment of torque reaction cables, reducing operational time, minimizing hardware damage, and enhancing safety by eliminating the need for bolt removal and reducing cable stress.
Implementation Method 1
sliding friction between the shackle and (wire) cable can suffer integral damage
Data Source
AI summary
A latch assembly having a first portion coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, and a respective latch panel. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.