Hinged Clamping Device for Rope Tension Control
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Solution Overview
Problem
Existing methods for maintaining a taut sling configuration during the transportation and delivery of loads, such as bundles of casing pipes, are time-consuming and require multiple operators, often leading to sudden loss of tension and potential spillage when the load is set down, posing a hazard to workers.
Innovation Solution
A safety clamping device with hingedly coupled clamping members and a fastening mechanism, including a bolt and nut, that allows gradual engagement and disengagement to maintain sling tension, featuring a retaining portion to keep the second rope portion transverse to the first, preventing sudden tension loss and spillage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bulldog clamp and marlin twine are used to retain the sling configuration, then the sling can be held in a taut configuration during lifting, but the method becomes time-consuming and requires multiple people, and removal of the marlin twine causes sudden loss of tension creating safety hazards
Solution Approach 1:
The device divides the retaining function into two separate components: a clamping portion that maintains tension on the first rope portion and a retaining portion that holds the second rope portion in position. This segmentation allows each component to perform its specific function independently, eliminating the need for multiple people and reducing time consumption while maintaining safety through the gradual release mechanism of the hinge joint.
Solution Approach 2:
The hinge joint creates a dynamic system where the clamping portion can gradually open and close as needed. The hinge allows controlled movement between the clamping and retained positions, enabling gradual tension release rather than sudden loss of tension, thereby improving safety while reducing the time required for operation compared to cutting marlin twine.
2Stability of the object's composition
If the sling configuration is made taut during lifting, then the load is securely held, but when the load is set down the sling loses tension and the pipes may spill outwardly creating a hazard
Solution Approach 1:
The retaining portion is positioned in advance to hold the second rope portion at a predetermined location where it can maintain the taut configuration even when the load is set down. This preliminary positioning ensures that the sling configuration remains stable during delivery, preventing load spillage before it can occur while allowing gradual tension release when needed.
3Ease of operation
If a bolt and nut fastening mechanism is used, then the clamping device can be gradually engaged and disengaged from the first rope portion, but the device complexity increases
Solution Approach 1:
The fastening mechanism is merged with the hinge joint structure, where the bolt and nut are integrated into the clamping portion that is already hingedly coupled. This merging allows the fastening function to be combined with the existing hinge mechanism, providing gradual engagement and disengagement capabilities while minimizing the increase in overall device complexity through shared structural elements.
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
Enables one operator to maintain a taut sling configuration during lifting and gradual release after delivery, preventing load spillage and enhancing safety by reducing wear on the ropes and allowing for easy operation.
Implementation Method 1
first and second clamping members in use hingedly coupled to one another such that the clamping portion is movable between an open configuration suitable for receiving the first rope portion and a clamping configuration suitable for clamping onto the first rope portion
Implementation Method 2
The fastening member may further comprise a nut for tightening and loosening the clamping portion in the clamping configuration
Implementation Method 3
the fastening member comprises a bolt. A first end of the bolt may be mounted on the first clamping member and a portion of the bolt may be receivable by the second clamping member when the clamping portion is moved to the clamping configuration
Data Source
AI summary
A safety clamping device for clamping onto a first rope portion and retaining a second rope portion. The clamping device comprises a clamping portion and a retaining portion. The clamping portion clamps onto the first rope portion, and comprises first and second clamping members in use hingedly coupled to one another such that the clamping portion is movable between an open configuration suitable for receiving the first rope portion and a clamping configuration suitable for clamping onto the first rope portion. The retaining portion retains the second rope portion relative to the position of the first rope portion, and is coupled to the clamping portion.