Autonomous Rebar Tying Robot for Faster Grid Intersection Binding
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Solution Overview
Problem
The construction industry faces challenges in efficiently tying rebar intersections during concrete construction, relying heavily on manual labor, which increases construction time and costs while compromising quality.
Innovation Solution
A rebar automating robot equipped with an intersection detection sensor, drive mechanism, and rebar tying tool, controlled by a processor, that autonomously identifies and ties rebar intersections on a rebar grid, reducing the need for manual labor and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual labor is used for tying rebar intersections, then flexibility and adaptability are maintained, but construction time increases and productivity decreases
Solution Approach 1:
The robot system performs rebar tying autonomously without continuous human intervention. The controller automatically detects rebar intersections using sensors, navigates the robot to each intersection, and triggers the tying tool to complete the tying operation, enabling the system to serve itself through automated decision-making and execution
Solution Approach 2:
Manual mechanical tying operations are replaced with an automated robotic system. The robot uses sensor detection instead of human visual inspection, automated navigation instead of manual positioning, and machine-driven tying tools instead of hand tools, substituting the entire mechanical process with an automated control system
2Manufacturing precision
If more manpower is deployed for rebar tying, then tying quality can be maintained, but construction costs increase
Solution Approach 1:
The system incorporates sensors that detect rebar intersections and provide feedback to the controller. This feedback mechanism ensures accurate identification of tying locations and allows the controller to adjust the robot's navigation and tying operations accordingly, maintaining high precision through continuous monitoring and adjustment
Solution Approach 2:
The robot system performs preliminary detection of rebar intersections using sensors before the actual tying operation. This preliminary action allows the controller to plan the tying sequence and position the robot accurately, ensuring high-quality tying results before the physical tying begins
3Productivity
If automated robot system is implemented, then construction time is reduced and productivity improves, but device complexity increases
Solution Approach 1:
The robot system is designed to perform multiple functions: sensor detection of rebar intersections, navigation to target locations, operation of tying tools, and communication with the base station. This multi-functionality consolidates what would otherwise require multiple separate devices into a single integrated system, managing complexity through functional integration
Solution Approach 2:
The controller acts as an intermediary between the sensors, robot navigation system, and tying tools. It processes sensor data, makes decisions about robot movement and tying operations, and coordinates all system components, simplifying the overall system architecture by centralizing control logic
Data Source
AI summary
Disclosed is a rebar automating robot for rebar tying on at least one rebar intersection. The rebar automating robot includes a control box 120 and a processing device 108. The control box 108 includes at least one intersection detection sensor 104 and at least one positioning sensor 106. The at least one intersection detection sensor 104 and the at least one positioning sensor 106 identifies a location of the at least one rebar intersection of a work area. The method includes (a) navigating, the rebar automating robot to a first rebar intersection for tying the first rebar intersection, (b) tying, by a rebar tying tool, the first rebar intersection of the work area, and (c) navigating, the rebar automating robot, from the first rebar intersection to a second rebar intersection for performing rebar tying at the second rebar intersection of the work area.