Rebar Robot Drive Layout for Stable Turning on Non-Parallel Bars
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Solution Overview
Problem
Existing rebar binding robots face difficulties in turning performance due to the configuration of V-shaped wheels, which can lead to challenges when dealing with non-parallel rebars, and adding weight to improve turning can disrupt the weight balance.
Innovation Solution
A robot design featuring a front driver and a rear driver that are relatively movable along a perpendicular direction, allowing for improved turning performance without increasing weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the ground surface of the wheel is formed in a V-shape to prevent derailing, then the robot can move along rebars, but turning becomes extremely difficult when rebars are not parallel
Solution Approach 1:
The patent applies the dynamics principle by making the ground surface of the wheel changeable between a V-shape configuration for stable travel and a flat configuration for improved turning. This dynamic transformation allows the wheel to adapt its ground surface shape based on the operational requirement, resolving the contradiction between derailing prevention and turning performance
2Ease of operation
If the wheel is configured to turn by providing rotation speed difference between left and right drive mechanisms, then turning capability is improved, but the dimensions between drive mechanisms must be reduced which complicates the structure
Solution Approach 1:
The patent uses the dynamics principle by enabling the ground surface to transform between V-shape and flat configurations, allowing turning to be achieved through the geometric transformation of the wheel rather than relying solely on complex differential rotation mechanisms, thereby simplifying the overall drive system structure
3Adaptability or versatility
If heavy binding machines are mounted to improve functionality, then rebar binding capability is enhanced, but the weight balance of the entire equipment deteriorates
Solution Approach 1:
The patent applies dynamics by making the wheel's ground surface transformable, which improves turning performance without requiring additional heavy components. This dynamic structural change allows the robot to maintain functionality while avoiding weight imbalance issues that would result from adding heavy binding machines
Data Source
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AI summary
One aspect of the present disclosure provides a robot comprising a body portion, a forward drive portion that is provided in front of the body portion in a first direction, and that drives the robot in the first direction, and a rear drive portion that is provided behind the body portion in the first direction, and that drives the robot in the first direction, wherein the forward drive portion and the rear drive portion are configured to be relatively movable along a second direction perpendicular to the first direction.