Rebar Binding Structure Assembly for Single-Hand Attachment
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Solution Overview
Problem
Existing methods for attaching steel reinforcement structures, such as rebars, in concrete constructions are time-consuming and require two hands, lacking a practical and efficient single-hand attachment solution.
Innovation Solution
A binding structure assembly comprising elongated body portions with radial head portions and micro joints, made from metal sheets through a punching and deformation process, allowing for easier and faster attachment of rebars using a mounting device that grips and releases the head portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional steel wire or bag tie spinner methods are used to attach rebars, then the attachment can be made securely, but the process requires two hands and is time-consuming
Solution Approach 1:
The binding structure is divided into distinct functional segments: head portions for gripping by the mounting device, body portions for wrapping around rebars, and micro joints for controlled detachment. This segmentation allows the binding structure to be manipulated easily with one hand while maintaining secure attachment capability
Solution Approach 2:
The binding structures are pre-assembled in sheet-like formations with micro joints already positioned between adjacent head portions. This preliminary arrangement eliminates the need for complex on-site assembly operations, enabling workers to simply pick up pre-configured binding structures and attach them to rebars using a single hand with a mounting device
2Reliability
If complex attachment structures with multiple components are used, then the attachment can be made securely, but the device complexity and cost increase
Solution Approach 1:
Multiple functions are merged into a single integrated binding structure: the head portions provide both the gripping interface for the mounting device and the attachment point for the rebar, while the body portion serves as both the wrapping element and the structural connector. This merging eliminates the need for separate components, reducing geometric complexity while maintaining secure attachment
Solution Approach 2:
The binding structure design enables self-service functionality where the micro joints automatically engage and disengage based on the application forces. When the mounting device applies force to the head portions, the micro joints between adjacent binding structures automatically detach, eliminating the need for complex release mechanisms or additional operational steps
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 quicker, single-handed attachment of rebars with improved handling and storage efficiency, reducing the complexity and cost of existing solutions while maintaining structural integrity.
Implementation Method 1
A retractable clip follower is urged by spring action against the fasteners to feed them toward a receiver
Data Source
Figure 1A~1F
Figure 2A~2B
Figure 3A~3B
AI summary
A binding structure (2) for attaching two structures (36, 38, 40) to each other, said binding structure (2) comprising an elongated body portion (4) having a first end portion (6) and a second end portion (8). A head portion (10, 10') is provided in the first end portion (6) and in the second end portion (8), wherein said head portion (8) protrudes radially from (at least a portion of) the body portion (4).