Length Adjustable Wire Rope Rigging Device for Balanced Load Lifting
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Solution Overview
Problem
Current wire rope rigging systems face challenges in balancing heavy loads during lifting, as they often require time-consuming trial and error processes to adjust lengths and tensions, leading to potential failures and difficulties in precise placement.
Innovation Solution
A length adjustable wire rope device with a rotatable length adjusting structure and drive mechanism, allowing for remote control of length adjustment and tension measurement, enabling precise balancing of loads through a system of connected wire ropes and guiding structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional wire rope slings or chains are used for lifting loads, then the lifting operation can be performed, but the process requires time-consuming trial and error to balance the load and adjust lengths
Solution Approach 1:
The wire rope device incorporates an adjustable length mechanism with a drum and winding mechanism that allows dynamic adjustment of rope length during operation. This enables the operator to balance the load by adjusting lengths in real-time rather than using trial and error with fixed-length slings, directly improving productivity while reducing time loss.
Solution Approach 2:
The patent replaces the traditional mechanical trial-and-error adjustment process with a controlled winding mechanism that uses a drum and cable system. This mechanical substitution allows for precise, controlled length adjustment without the need for repeated lifting and setting operations, thereby increasing efficiency and reducing time loss.
2Reliability
If traditional wire rope slings or chains are used for lifting loads, then the lifting operation can be performed, but there is a risk of failure due to unbalanced loads exposing different slings to different stresses
Solution Approach 1:
The device incorporates tension sensors or load cells that provide feedback on the force distributed to each wire rope device. This feedback mechanism allows the operator to monitor and adjust the balancing of the load in real-time, ensuring equal stress distribution across all slings and preventing failure while making the balancing process easier and more controlled.
Solution Approach 2:
The adjustable length mechanism allows dynamic modification of rope lengths during the lifting operation. This enables the operator to easily balance the load by adjusting individual rope lengths based on observed stress distribution, improving both reliability and ease of operation compared to fixed-length slings.
3Manufacturing precision
If traditional wire rope slings or chains are used for lifting loads, then the lifting operation can be performed, but precise placement on foundation or anchor bolts is difficult when the load is unbalanced
Solution Approach 1:
The adjustable length mechanism allows precise control over the position of the load during the lifting operation. By dynamically adjusting the length of each wire rope device, the operator can precisely position the load onto the foundation or anchor bolts, even when the load is initially unbalanced, thereby improving placement precision while maintaining ease of operation.
4Extent of automation
If a length adjustable wire rope device with remote control is implemented, then length adjustment and tension measurement can be controlled remotely, but the device complexity increases
Solution Approach 1:
The patent replaces complex manual adjustment mechanisms with a remotely controlled winding system that uses a drum and cable arrangement. This mechanical substitution allows for automated length adjustment controlled from a distance, reducing the need for complex manual operations while managing device complexity through elegant mechanical design.
Solution Approach 2:
The wire rope device integrates multiple functions including length adjustment, tension measurement, and remote control capability within a single unified system. This multi-functionality approach manages complexity by combining what could be separate complex systems into one integrated device that performs all necessary operations.
Data Source
AI summary
A wire rope device having adjustable length between a first end and a second end thereof. The wire rope device comprises a first wire rope extending from the first end and a second wire rope extending from the second end. A length adjusting structure is disposed between the first end and the second end. The length adjusting structure has the first wire rope and the second wire rope connected thereto. A support structure is disposed between the first end and the second end. The support structure has the length adjusting structure rotatable movable mounted thereto. A first guiding structure and a second guiding structure are disposed in the support structure for guiding the first wire rope and the second wire rope, respectively, such that when in operation a portion of the first wire rope extending from the first guiding element and a portion of the second wire rope extending from the second guiding element are disposed substantially along a same straight line. A drive mechanism is mounted to the support structure and connected to the length adjusting structure for adjusting the length of the wire rope device by rotatably moving the length adjusting structure.