Motorized Concrete Texturing Tool for Smooth-Rough Surface Switching
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Solution Overview
Problem
Existing concrete finishing tools require separate instruments for smoothing and roughening, necessitating multiple steps and tools, which can be inefficient and cumbersome, particularly when transitioning between these tasks.
Innovation Solution
A powered texturing tool with a motorized lift mechanism that integrates a smoothing platform and a brush frame, allowing for remote control operation to switch between raised and lowered positions, enabling simultaneous smoothing and roughening of concrete surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If separate tools are used for smoothing and roughening concrete surfaces, then each tool can be optimized for its specific function, but the number of tools and steps increases, reducing operational efficiency
Solution Approach 1:
The patent combines a smoothing platform and a roughening brush into a single integrated tool. The brush frame is positioned at the rear of the smoothing platform, allowing both smoothing and roughening functions to be performed with one device. This merging eliminates the need to switch between separate tools, directly improving productivity while managing device complexity through functional integration.
Solution Approach 2:
The single tool is designed to perform multiple functions: the smoothing platform provides a relatively smooth texture while the brush frame attached to it roughens or scores the surface. This multi-functional design allows one tool to replace what previously required two separate tools, reducing the number of steps and improving operational efficiency without excessive complexity.
2Reliability
If manual pressure is applied to the brush during texturing, then roughening effectiveness improves, but the risk of damaging the substrate or causing user fatigue increases
Solution Approach 1:
The patent replaces manual mechanical pressure with a spring mechanism that automatically applies consistent pressure to the brush. The spring is positioned to bias the brush toward the substrate surface, providing reliable texturing pressure without requiring the user to manually press down. This eliminates substrate damage risk from excessive manual pressure while maintaining texturing effectiveness through controlled elastic force.
Solution Approach 2:
The spring mechanism transforms the pressure parameter from a manually controlled variable to a mechanically controlled constant. By using spring force, the system maintains consistent pressure on the brush regardless of user fatigue or variation in manual force, ensuring reliable texturing effectiveness while preventing substrate damage through controlled pressure limits.
3Productivity
If the brush is always in contact with the substrate, then texturing can be performed continuously, but the ability to switch between smoothing and roughening functions is reduced
Solution Approach 1:
The patent makes the brush frame movable relative to the smoothing platform through a linkage mechanism. The brush frame can be raised or lowered to engage or disengage from the substrate surface while the smoothing platform remains in contact. This dynamic positioning allows the user to switch between functions: when the brush is lowered, roughening occurs; when raised, only smoothing occurs. This maintains continuous operation capability while preserving function switching versatility.
Data Source
AI summary
A smoothing platform; a brush frame; a brush combined to the brush frame; and an actuator attachable to the smoothing platform comprising a rod attachable to the brush frame for moving the brush frame relative to the smoothing platform between a raised position and a lowered position.