Rope Brake Clamping Mechanism for Variable Diameter Safety Ropes
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Solution Overview
Problem
Existing rope brakes are limited in their ability to effectively brake safety ropes of varying diameters, leading to inefficiencies and potential hazards during climbing and fall scenarios.
Innovation Solution
The proposed rope brake design eliminates the need for a stop to ensure a minimum distance between the brake section and the guide element, allowing for distances smaller than the safety rope diameter. This enables the safety rope to be clamped between the brake section and the guide element during a fall, generating a strong frictional effect and braking action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a stop is provided to ensure a minimum distance between the brake section and the guide element, then the rope brake can be used with standard diameter safety ropes, but it cannot effectively brake safety ropes with non-standard diameters
Solution Approach 1:
The patent removes the stop component from the rope brake structure, eliminating the fixed minimum distance constraint between the brake section and guide element. This extraction allows the distance to be determined solely by the rope diameter, enabling effective braking across different rope diameters without requiring additional components or adjustments.
Solution Approach 2:
By eliminating the stop, the distance between the brake section and guide element becomes a variable parameter that adapts to different rope diameters rather than being fixed. This parameter change enables the rope brake to effectively brake ropes with non-standard diameters while maintaining compatibility with standard diameter ropes.
2Productivity
If the distance between the brake section and guide element is larger than the safety rope diameter, then the rope can pass freely during climbing, but insufficient braking effect is generated during a fall
Solution Approach 1:
The patent creates a dynamic distance adjustment mechanism where the spacing between the brake section and guide element automatically adapts based on rope diameter and loading conditions. During climbing, the distance allows free rope passage; during a fall, the distance reduces to clamp the rope effectively, achieving both climbing efficiency and reliable braking.
3Reliability
If the distance between the brake section and guide element is smaller than the safety rope diameter, then strong braking effect is generated during a fall, but the rope may become blocked during normal climbing
Solution Approach 1:
The system dynamically adjusts the effective distance between brake section and guide element based on operational state. During climbing, the distance is effectively larger allowing free rope passage; during a fall, the distance reduces to clamp the rope. This dynamic behavior resolves the contradiction between needing small distance for braking and large distance for free passage.
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 rope brake achieves a sufficient braking effect across a range of safety rope diameters, including non-standard diameters, while minimizing interference during normal climbing operations. This design enhances flexibility and safety by ensuring effective braking without blocking the rope.
Implementation Method 1
the rope brake creates a frictional force on the rope, which reduces the tensile force and transfers it to the fixed anchor point
Implementation Method 2
the safety rope to be clamped between the brake section and the guide element, generating a strong frictional effect and braking action
Data Source
Figure 1~2
Figure 3~4
Figure 5A~5B
AI summary
The invention relates to a rope brake (1) for a textile safety rope (7) for securing a secured person (8) against a fall by a belayer (9), wherein the rope brake (1) can be attached to a belaying point (10) located between the secured person (8) and the belayer (9), wherein the rope brake (1) has a rotationally symmetrical guide element (2) for guiding the safety rope (7), wherein the rope brake (1) has a deflection lever (3) which has a fastening section (4) and a braking section (5) and which is pivotably mounted about a pivot axis (6), wherein the safety rope (7) can be passed between the guide element (2) and the deflection lever (3), and wherein the fastening section (4) is designed for attaching the rope brake (1) to the respective belaying point (10).A simplified design results when the guide element (2) is designed as a guide roller (13) which is rotatably mounted about a pivot axis (14), and when the deflection lever (3) and the guide roller (13) are coordinated in such a way that the safety rope (7) which is subjected to stress by a fall of the secured person (9) is clamped between the brake section (5) and the guide roller (13) and thereby braked.