Portable Power-Driven Rope Grab Lever Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing portable power-driven systems for rope advancement, such as winches and hoists, often require a second person for operation, limiting their use in scenarios like mountain climbing, rescue operations, and industrial maintenance, where safety and ease of use are paramount.
Innovation Solution
A portable power-driven system featuring a motor with a drive shaft connected to a rope grab, which includes a rope securing arrangement with an elongated lever and rollers to securely engage and advance various types of ropes, allowing single-person operation and improved safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a portable winch is used for rope advancement, then the device can be operated by a single person, but the rope security and control during operation may be compromised
Solution Approach 1:
The rope securing arrangement is designed to automatically engage and secure the rope without requiring a second person to operate controls. The system self-regulates rope tension and positioning through the lever mechanism that applies friction pressure, enabling single-person operation while maintaining security.
Solution Approach 2:
The rope securing arrangement proactively prevents rope slippage or unauthorized movement by continuously applying friction pressure through the lever and roller mechanism. This beforehand cushioning ensures rope security is maintained throughout operation, eliminating the need for a second person to monitor and adjust controls.
2Adaptability or versatility
If friction between the rope grab and rope is increased to handle multiple rope types, then rope versatility improves, but the complexity of the securing mechanism increases
Solution Approach 1:
The system handles multiple rope types by changing the friction parameter dynamically. The lever mechanism adjusts the pressure applied to the rope, varying the friction force to accommodate different rope materials, diameters, and textures. This parameter adjustment enables versatility without requiring complex mechanical structures.
Solution Approach 2:
The rope securing arrangement uses a dynamic lever mechanism that can adjust its position and applied pressure in response to different rope characteristics. This dynamic adaptation allows the system to maintain secure engagement across various rope types while keeping the mechanical structure relatively simple through motion-based adjustment rather than complex multi-component systems.
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 system enables secure and efficient rope advancement with a single operator, accommodating different rope types and diameters, thereby enhancing safety and operational ease in challenging environments.
Implementation Method 1
the rope securing arrangement is adapted to, by means of a second roller comprised with the elongated lever, exert a pressure to the rope for forcing the rope towards the rope grab
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a portable power-driven system, such as an ascender/descender arrangement, specifically in relation to means for ensuring that a rope used in relation to the portable power-driven system is securely handled when in the operational state.