Self-Propelled Rebar Binding Robot with Modular Wheel Units
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Solution Overview
Problem
Existing self-propelled robots for rebar binding can only bind one intersecting part per binding work, requiring multiple robots to efficiently cover a whole work surface, and face challenges in harsh environments and maintenance.
Innovation Solution
A self-propelled robot with multiple wheel units, frame units, binder holding units, and driving units that allow simultaneous binding of multiple intersecting rebar parts using binding wires, equipped with rebar detection and control units for efficient travel and binding, and trigger driving pins for synchronized binder operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If only one rebar binding mechanism is incorporated in the self-propelled robot, then the device complexity is reduced, but the productivity decreases because only one intersecting part can be bound per binding work
Solution Approach 1:
The robot body is divided into multiple wheel units (first, second, third, and fourth wheel units), each equipped with its own binder holding unit and driving unit. This segmentation allows each unit to independently bind intersecting parts of rebars simultaneously, thereby increasing productivity without requiring multiple separate robots while maintaining manageable device complexity through modular design
Solution Approach 2:
Multiple binding functions are merged into a single self-propelled robot by integrating multiple wheel units with binder holding units and driving units. The control unit coordinates all binding operations centrally, merging control functions while enabling simultaneous binding at multiple locations, thus improving productivity without proportionally increasing device complexity
2Productivity
If multiple wheel units with binder holding units are added to enable simultaneous binding, then the productivity increases, but the device complexity increases
Solution Approach 1:
Each wheel unit is designed as a universal module that can independently perform both traveling functions (through the wheel unit itself) and binding functions (through the integrated binder holding unit and driving unit). This multi-functionality reduces the need for separate specialized components, thereby increasing productivity while controlling device complexity through standardized modular units
Solution Approach 2:
The binder holding units are positioned between the front and rear wheels of each wheel unit, allowing dynamic adjustment and flexible positioning during operation. The control unit dynamically coordinates the timing and positioning of multiple binding operations, enabling the system to adapt to different rebar configurations and maintain productivity while managing complexity through software control
Data Source
AI summary
A self-propelled robot for rebar binding including wheel units that travel on intersecting rebars; frame units mounted multiply aligned on right and left of the wheel units corresponding to an array interval of the rebars on which the wheel unit travels, binder holding units positioned between a front wheel and rear wheel of the wheel unit and by which rebar binders that bind intersecting rebars are detachably mounted per each wheel unit; driving units each having a binder driving portion that drives the binder holding unit up and down; and a control unit that controls travel motion of the wheel units and binding motion of the rebar binder. The driving units each include a trigger driving pin, and the control unit having a binding control portion that causes the trigger driving pins of the driving units to simultaneously and respectively press the triggers of the rebar binders.